JUNIPER NETWORKS INC, 10-Q filed on 8/8/2011
Quarterly Report
Document and Entity Information
6 Months Ended
Jun. 30, 2011
Jul. 31, 2011
Document Information [Line Items]
 
 
Entity Registrant Name
JUNIPER NETWORKS INC 
 
Entity Central Index Key
0001043604 
 
Document Type
10-Q 
 
Document Period End Date
Jun. 30, 2011 
 
Amendment Flag
FALSE 
 
Document Fiscal Year Focus
2011 
 
Document Fiscal Period Focus
Q2 
 
Current Fiscal Year End Date
--12-31 
 
Entity Well-known Seasoned Issuer
Yes 
 
Entity Voluntary Filers
No 
 
Entity Current Reporting Status
Yes 
 
Entity Filer Category
Large Accelerated Filer 
 
Entity Common Stock, Shares Outstanding
 
532,976,000 
Condensed Consolidated Statements of Operations (Unaudited) (USD $)
In Thousands, except Per Share data
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Net revenues:
 
 
 
 
Product
$ 891,428 
$ 774,058 
$ 1,768,868 
$ 1,495,259 
Service
229,116 
204,242 
453,288 
395,659 
Total net revenues
1,120,544 
978,300 
2,222,156 
1,890,918 
Cost of revenues:
 
 
 
 
Product
292,391 
231,752 
558,137 
454,133 
Service
105,987 
86,610 
205,968 
164,826 
Total cost of revenues
398,378 
318,362 
764,105 
618,959 
Gross margin
722,166 
659,938 
1,458,051 
1,271,959 
Operating expenses:
 
 
 
 
Research and development
257,250 
224,768 
519,229 
431,762 
Sales and marketing
246,635 
202,303 
492,926 
394,678 
General and administrative
44,260 
45,880 
89,184 
89,018 
Amortization of purchased intangible assets
1,332 
1,204 
2,876 
2,341 
Restructuring
(916)
264 
(1,263)
8,369 
Acquisition-related charges
2,685 
541 
6,786 
541 
Total operating expenses
551,246 
474,960 
1,109,738 
926,709 
Operating income
170,920 
184,978 
348,313 
345,250 
Other (expense) income, net
(13,688)
4,065 
(20,150)
5,524 
Income before income taxes and noncontrolling interest
157,232 
189,043 
328,163 
350,774 
Income tax provision
41,714 
58,700 
82,985 
55,821 
Consolidated net income
115,518 
130,343 
245,178 
294,953 
Adjust for net loss (income) attributable to noncontrolling interest
42 
168 
132 
(1,327)
Net income attributable to Juniper Networks
$ 115,560 
$ 130,511 
$ 245,310 
$ 293,626 
Net income per share attributable to Juniper Networks common stockholders:
 
 
 
 
Basic
$ 0.22 
$ 0.25 
$ 0.46 
$ 0.56 
Diluted
$ 0.21 
$ 0.24 
$ 0.45 
$ 0.55 
Shares used in computing net income per share:
 
 
 
 
Basic
532,909 
524,463 
531,827 
522,812 
Diluted
546,452 
538,947 
547,729 
537,989 
Condensed Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Current assets:
 
 
Cash and cash equivalents
$ 2,838,066 
$ 1,811,887 
Short-term investments
631,781 
474,514 
Accounts receivable, net of allowances
488,037 
596,622 
Deferred tax assets, net
152,858 
161,535 
Prepaid expenses and other current assets
175,201 
169,812 
Total current assets
4,285,943 
3,214,370 
Property and equipment, net
544,389 
493,881 
Long-term investments
750,603 
535,178 
Restricted cash
93,173 
119,346 
Purchased intangible assets, net
136,736 
121,803 
Goodwill
3,927,883 
3,927,807 
Other long-term assets
54,390 
55,466 
Total assets
9,793,117 
8,467,851 
Current liabilities:
 
 
Accounts payable
250,068 
292,270 
Accrued compensation
216,490 
256,746 
Accrued warranty
38,066 
35,931 
Deferred revenue
707,422 
660,264 
Income taxes payable
32,248 
25,000 
Other accrued liabilities
185,054 
201,765 
Total current liabilities
1,429,348 
1,471,976 
Long-term debt
998,960 
0 
Long-term deferred revenue
222,802 
224,165 
Long-term income taxes payable
106,261 
103,823 
Other long-term liabilities
73,816 
59,087 
Commitments and Contingencies – See Note 15
 
 
Juniper Networks stockholders' equity:
 
 
Convertible preferred stock, $0.00001 par value; 10,000 shares authorized; none issued and outstanding
0 
0 
Common stock, $0.00001 par value; 1,000,000 shares authorized; 532,524 shares and 525,378 shares issued and outstanding at June 30, 2011, and December 31, 2010, respectively
5 
5 
Additional paid-in capital
10,041,418 
9,717,783 
Accumulated other comprehensive income (loss)
10,770 
(1,251)
Accumulated deficit
(3,090,731)
(3,108,337)
Total Juniper Networks stockholders' equity
6,961,462 
6,608,200 
Noncontrolling interest
468 
600 
Total equity
6,961,930 
6,608,800 
Total liabilities and equity
$ 9,793,117 
$ 8,467,851 
Condensed Consolidated Balance Sheets Parentheticals (Unaudited) (USD $)
In Thousands, except Per Share data
Jun. 30, 2011
Dec. 31, 2010
Convertible preferred stock, par value
$ 0.00001 
$ 0.00001 
Convertible preferred stock, shares authorized
10,000 
10,000 
Convertible preferred stock, shares issued
0 
0 
Convertible preferred stock, shares outstanding
0 
0 
Common stock, par value
$ 0.00001 
$ 0.00001 
Common stock, shares authorized
1,000,000 
1,000,000 
Common stock, shares issued
532,524 
525,378 
Common stock, shares outstanding
532,524 
525,378 
Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands
6 Months Ended
Jun. 30,
2011
2010
Cash flows from operating activities:
 
 
Consolidated net income
$ 245,178 
$ 294,953 
Adjustments to reconcile consolidated net income to net cash from operating activities:
 
 
Depreciation and amortization
82,649 
72,748 
Non-cash portion of share-based compensation
106,243 
85,164 
Deferred income taxes
8,677 
(25,594)
Gain on equity investments
0 
(3,232)
Excess tax benefits from share-based compensation
(43,331)
(28,287)
Amortization of debt issuance costs
273 
0 
Changes in operating assets and liabilities:
 
 
Accounts receivable, net
107,982 
67,168 
Prepaid expenses and other assets
6,408 
(15,712)
Accounts payable
(34,051)
(6,331)
Accrued compensation
(38,756)
29,977 
Accrued litigation settlements
0 
(169,330)
Income tax payable
51,220 
(683)
Other accrued liabilities
19,670 
(4,987)
Deferred revenue
45,795 
14,035 
Net cash provided by operating activities
557,957 
309,889 
Cash flows from investing activities:
 
 
Purchases of property and equipment, net
(115,941)
(83,157)
Purchases of trading investments
(3,127)
(1,690)
Purchases of available-for-sale investments
(1,293,670)
(932,004)
Proceeds from sales of available-for-sale investments
685,258 
354,890 
Proceeds from maturities of available-for-sale investments
238,000 
557,363 
Payment for business acquisition, net of cash and cash equivalents acquired
(31,073)
(64,215)
Changes in restricted cash
(1,236)
(12,296)
Purchases of privately-held and other equity investments, net
(8,643)
(727)
Net cash used in investing activities
(530,432)
(181,836)
Cash flows from financing activities:
 
 
Proceeds from issuance of common stock
303,874 
176,662 
Purchases and retirement of common stock
(355,171)
(253,672)
Issuance of long-term debt, net
991,556 
0 
Change in customer financing arrangements
15,064 
(20,967)
Excess tax benefit from share-based compensation
43,331 
28,287 
Return of capital to noncontrolling interest
0 
(3,000)
Net cash provided by (used in) financing activities
998,654 
(72,690)
Net increase in cash and cash equivalents
1,026,179 
55,363 
Cash and cash equivalents at beginning of period
1,811,887 
1,604,723 
Cash and cash equivalents at end of period
$ 2,838,066 
$ 1,660,086 
Note 1 - Basis of Presentation Level 1 (Notes)
Basis of Presentation [Text Block]
Basis of Presentation


The unaudited Condensed Consolidated Financial Statements of Juniper Networks, Inc. (“Juniper Networks” or the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information as well as the instructions to Form 10-Q and the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”). Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. The Condensed Consolidated Balance Sheet as of December 31, 2010, is derived from the December 31, 2010, audited consolidated financial statements. In the opinion of management, all adjustments, including normal recurring accruals, considered necessary for a fair presentation have been included. The results of operations for the three and six months ended June 30, 2011, are not necessarily indicative of the results that may be expected for the year ending December 31, 2011, or any future period. The information included in this Quarterly Report on Form 10-Q should be read in conjunction with “Management's Discussion and Analysis of Financial Condition and Results of Operations,” “Risk Factors,” “Quantitative and Qualitative Disclosures About Market Risk,” and the Consolidated Financial Statements and footnotes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2010.


The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the Consolidated Condensed Financial Statements and accompanying notes. Actual results could differ materially from those estimates.


As of June 30, 2011, the Company owned a 60 percent interest in a joint venture with Nokia Siemens Networks B.V. (“NSN”). Given the Company's majority ownership interest in the joint venture, the accounts of the joint venture have been consolidated with the accounts of the Company, and a noncontrolling interest has been recorded for the noncontrolling investor's interests in the net assets and operations of the joint venture. Effective July 2011, NSN and the Company have agreed to cease operation of and terminate the joint venture. The termination of this joint venture will not have a material effect on the Company's financial position or results of operations.


Note 2 - Summary of Significant Accounting Policies Level 1 (Notes)
Significant Accounting Policies [Text Block]
Summary of Significant Accounting Policies


Recent Accounting Pronouncements


In June 2011, the FASB issued ASU No. 2011-05, Topic 220 - Presentation of Comprehensive Income (“ASU 2011-05”), which requires an entity to present total comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements and eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders' equity. This guidance is effective for fiscal years and interim periods, beginning after December 15, 2011. The Company's adoption of ASU 2011-05 will not have an impact on its consolidated results of operations or financial condition.


In May 2011, the FASB issued ASU No. 2011-04, Topic 820 - Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs (“ASU 2011-04”), which amends current fair value measurement and disclosure guidance to converge with International Financial Reporting Standards ("IFRS") and provides increased transparency around valuation inputs and investment categorization. This guidance is effective for fiscal years and interim periods, beginning after December 15, 2011. Early application by public companies is not permitted. The Company's adoption of ASU 2011-04 is not expected to have an impact on its consolidated results of operations or financial condition.
Note 3 - Business Combination Level 1 (Notes)
Business Combination [Text Block]
Business Combinations


The Company's consolidated financial statements include the operating results of acquired businesses from the date of each acquisition. Pro forma results of operations for these acquisitions have not been presented as the financial impact to the Company's consolidated results of operations, both individually and in aggregate, is not material. Additional information existing as of the acquisition dates but unknown to the Company may become known during the remainder of the measurement period, not to exceed 12 months from the acquisition date, which may result in changes to the amounts and allocations recorded.


In the first quarter of 2011, the Company completed two business combinations for cash of approximately $30.5 million. There were no acquisitions during the second quarter of 2011. Total purchase consideration for these acquisitions was allocated as follows (in millions):
 
 
2011 Acquisitions
Net tangible assets acquired
$
1.7


Intangible assets acquired
28.4


Goodwill
0.4


    Total
$
30.5






The goodwill recognized is attributable primarily to expected synergies. None of the goodwill is deductible for U.S. federal income tax purposes.


The following table presents details of the intangible assets acquired through the business combinations completed in the first quarter of 2011 (in millions, except years):
 
 
2011 Acquisitions
 
Estimated Useful Life (In Years)
Amount
Existing or Core technology
10
$
21.9


Support agreements and related relationships
4
5.1


Patents
5
1.4


Total
 
$
28.4






The Company recognized $4.2 million and $9.3 million of acquisition-related costs in the three and six months ended June 30, 2011, respectively, and $0.5 million in the three and six months ended June 30, 2010. These costs were expensed in the period incurred and reported in the Company's consolidated statement of operations within cost of revenues and operating expense as acquisition-related charges.
Note 4 - Net Income per Share Level 1 (Notes)
Earnings Per Share [Text Block]
Net Income per Share


Basic net income per share is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted net income per share is computed giving effect to all dilutive potential shares that were outstanding during the period. Dilutive potential common shares consist of common shares issuable upon exercise of stock options, employee stock purchase plan, vesting of restricted stock units (“RSUs”), and vesting of performance share awards (“PSAs”).


The following table presents the calculation of basic and diluted net income per share attributable to Juniper Networks common stockholders (in millions, except per share amounts):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Numerator:
 
 
 
 
 
 
 
Net income attributable to Juniper Networks
$
115.6


 
$
130.5


 
$
245.3


 
$
293.6


Denominator:
 
 
 
 
 
 
 
Weighted-average shares used to compute basic net income per share
532.9


 
524.5


 
531.8


 
522.8


Effect of dilutive securities:
 
 
 
 
 
 
 
Employee stock awards
13.6


 
14.4


 
15.9


 
15.2


Weighted-average shares used to compute diluted net income per share
546.5


 
538.9


 
547.7


 
538.0


Net income per share attributable to Juniper Networks common stockholders:
 
 
 
 
 
 
 
Basic
$
0.22


 
$
0.25


 
$
0.46


 
$
0.56


Diluted
$
0.21


 
$
0.24


 
$
0.45


 
$
0.55






Employee stock options, RSUs, and PSAs covering approximately 13.5 million and 44.8 million shares of the Company's common stock in the three and six months ended June 30, 2011, respectively, and 22.0 million and 22.4 million shares for the three and six months ended June 30, 2010, respectively, were outstanding, but were not included in the computation of diluted earnings per share. The Company excludes outstanding stock options with exercise prices that are greater than the average market price and RSUs with fair values that are greater than the average market price from the calculation of diluted net income per share because their effect would be anti-dilutive. The Company includes the common shares underlying PSAs in the calculation of diluted net income per share when they become contingently issuable and excludes such shares when they are not contingently issuable.
Note 5 - Cash, Cash Equivalents and Investments Level 1 (Notes)
Cash, Cash Equivalents, and Investments [Text Block]
Cash, Cash Equivalents, and Investments


Cash and Cash Equivalents


The following table summarizes the Company's cash and cash equivalents (in millions):


 
As of
 
June 30,

2011
 
December 31,

2010
Cash:
 
 
 
Demand deposits
$
531.6


 
$
413.0


Time deposits
551.0


 
273.3


Total cash
1,082.6


 
686.3


Cash equivalents:
 
 
 
U.S. government securities
—


 
76.7


Government-sponsored enterprise obligations
21.0


 
5.0


Commercial paper
—


 
4.0


Money market funds
1,734.5


 
1,039.9


Total cash equivalents
1,755.5


 
1,125.6


Total cash and cash equivalents
$
2,838.1


 
$
1,811.9




Investments in Available-for-Sale and Trading Securities


The following table summarizes the Company's unrealized gains and losses, and fair value of investments designated as available-for-sale and trading securities, as of June 30, 2011, and December 31, 2010 (in millions):


 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
As of June 30, 2011:
 
 
 
 
 
 
 
Fixed income securities:
 
 
 
 
 
 
 
U.S. government securities
$
395.2


 
$
0.1


 
$
—


 
$
395.3


Government-sponsored enterprise obligations
327.0


 
0.4


 
(0.1
)
 
327.3


Foreign government debt securities
10.0


 
0.1


 
—


 
10.1


Certificates of deposit
44.3


 
—


 
—


 
44.3


Commercial paper
16.0


 
—


 
—


 
16.0


Asset-backed securities
110.8


 
0.1


 
—


 
110.9


Corporate debt securities
466.1


 
1.2


 
(0.1
)
 
467.2


Total fixed income securities
1,369.4


 
1.9


 
(0.2
)
 
1,371.1


Total available-for-sale securities
1,369.4


 
1.9


 
(0.2
)
 
1,371.1


Trading securities (1)
11.3
 
—


 
—


 
11.3


Total
$
1,380.7


 
$
1.9


 
$
(0.2
)
 
$
1,382.4


 
 
 
 
 
 
 
 
Reported as:
 
 
 
 
 
 
 
Short-term investments
$
631.4


 
$
0.4


 
$
—


 
$
631.8


Long-term investments
749.3


 
1.5


 
(0.2
)
 
750.6


Total
$
1,380.7


 
$
1.9


 
$
(0.2
)
 
$
1,382.4


________________________________
(1)
Balance includes the Company's non-qualified deferred compensation plan assets. For additional information, see Note 12, Employee Benefits, under the section Deferred Compensation Plan.


 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
As of December 31, 2010:
 
 
 
 
 
 
 
Fixed income securities:
 
 
 
 
 
 
 
U.S. government securities
$
158.2


 
$
0.2


 
$
—


 
$
158.4


Government-sponsored enterprise obligations
213.8


 
0.4


 
(0.2
)
 
214.0


Foreign government debt securities
46.8


 
0.2


 
—


 
47.0


Certificates of deposit
20.9


 
0.1


 
—


 
21.0


Commercial paper
9.5


 
—


 
—


 
9.5


Asset-backed securities
90.1


 
—


 
(0.1
)
 
90.0


Corporate debt securities
459.7


 
2.2


 
(0.2
)
 
461.7


Total fixed income securities
999.0


 
3.1


 
(0.5
)
 
1,001.6


Total available-for-sale securities
999.0


 
3.1


 
(0.5
)
 
1,001.6


Trading securities (1)
8.1


 
—


 
—


 
8.1


Total
$
1,007.1


 
$
3.1


 
$
(0.5
)
 
$
1,009.7


 
 
 
 
 
 
 
 
Reported as:
 
 
 
 
 
 
 
Short-term investments
$
473.6


 
$
0.9


 
$
—


 
$
474.5


Long-term investments
533.5


 
2.2


 
(0.5
)
 
535.2


Total
$
1,007.1


 
$
3.1


 
$
(0.5
)
 
$
1,009.7


________________________________
(1)
Balance includes the Company's non-qualified deferred compensation plan assets. For additional information, see Note 12, Employee Benefits, under the section Deferred Compensation Plan.


The following table presents the maturities of the Company's available-for-sale and trading securities, as of June 30, 2011 (in millions):


 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
Due within one year
$
620.1


 
$
0.4


 
$
—


 
$
620.5


Due between one and five years
749.3


 
1.5


 
(0.2
)
 
750.6


No contractual maturity
11.3


 
—


 
—


 
11.3


Total
$
1,380.7


 
$
1.9


 
$
(0.2
)
 
$
1,382.4






The following tables present the Company's trading and available-for sale investments that are in an unrealized loss position as of June 30, 2011, and December 31, 2010 (in millions):


 
Less than 12 Months
 
Total (2)
 
Fair Value
 
Unrealized Loss
 
Fair Value
 
Unrealized Loss
As of June 30, 2011
 
 
 
 
 
 
 
Corporate debt securities
$
100.6


 
$
(0.1
)
 
$
100.6


 
$
(0.1
)
U.S. government securities (1)
130.5


 
—


 
130.5


 
—


Government-sponsored enterprise obligations
153.7


 
(0.1
)
 
153.7


 
(0.1
)
Asset-backed securities (1)
47.8


 
—


 
47.8


 
—


Total
$
432.6


 
$
(0.2
)
 
$
432.6


 
$
(0.2
)
________________________________
(1)
Balance includes investments that were in an immaterial unrealized loss position as of June 30, 2011.
(2)
No investments were in an unrealized loss position for greater than 12 months as of June 30, 2011.
 
Less than 12 Months 
 
12 Months or Greater 
 
Total 
 
Fair Value 
 
Unrealized Loss 
 
Fair Value 
 
Unrealized Loss 
 
Fair Value 
 
Unrealized Loss 
As of December 31, 2010
 
 
 
 
 
 
 
 
 
 
 
Corporate debt securities (1)
$
104.3


 
$
(0.2
)
 
$
28.8


 
$
—


 
$
133.1


 
$
(0.2
)
Government-sponsored enterprise obligations
57.8


 
(0.2
)
 
—


 
—


 
57.8


 
(0.2
)
Foreign government debt securities (1)
—


 
—


 
6.2


 
—


 
6.2


 
—


Commercial paper (1)
5.0


 
—


 
—


 
—


 
5.0


 
—


Asset-backed securities
54.7


 
(0.1
)
 
—


 
—


 
54.7


 
(0.1
)
Total
$
221.8


 
$
(0.5
)
 
$
35.0


 
$
—


 
$
256.8


 
$
(0.5
)
 ________________________________
(1)
Balance includes investments that were in an immaterial unrealized loss position as of December 31, 2010.


The Company had 84 and 73 investments in unrealized loss positions as of June 30, 2011, and December 31, 2010, respectively. The gross unrealized losses related to these investments were primarily due to changes in interest rates. For the fixed income securities that have unrealized losses, the Company determined that (i) it does not have the intent to sell any of these investments and (ii) it is not more likely than not that it will be required to sell any of these investments before recovery of the entire amortized cost basis. The Company did not consider these investments to be other-than-temporarily impaired as of June 30, 2011, and December 31, 2010. The Company reviews its investments to identify and evaluate investments that have an indication of possible impairment. The Company aggregates its investments by category and length of time the securities have been in a continuous unrealized loss position to facilitate its evaluation.


Restricted Cash


The Company classifies cash and investments as restricted cash on its condensed consolidated balance sheet for: (i) amounts held in escrow accounts, as required by certain acquisitions completed in 2005 and 2010; (ii) the India Gratuity Trust and Israel Retirement Trust, which cover statutory severance obligations in the event of termination of the Company's India and Israel employees, respectively; and (iii) the Directors and Officers ("D&O") indemnification trust. During the three and six months ended June 30, 2011, the Company distributed approximately $10.5 million and $27.7 million of restricted cash, mainly related to the 2010 acquisitions.


In connection with the 2010 acquisition of Ankeena Networks, Inc. ("Ankeena"), the Company agreed to pay from escrow a total amount of $10.7 million, representing the cash value of unvested restricted shares of Ankeena common stock as of April 8, 2010, held by certain former Ankeena employees. Through June 30, 2011, the Company has released $7.0 million from escrow and expects to release the remaining $3.7 million from escrow over the next fifteen months as the restricted shares vest.


The following table summarizes the Company's cash and investments that are classified as restricted cash in the condensed consolidated balance sheets (in millions):
 
As of
 
June 30,

2011
 
December 31,

2010
Restricted cash:
 
 
 
Demand deposits
$
1.3


 
$
1.7


Total restricted cash
1.3


 
1.7


Restricted investments:
 
 
 
U.S. government securities
—


 
0.6


Corporate debt securities
2.1


 
2.7


Mutual funds
1.1


 
—


Money market funds
88.7


 
114.3


Total restricted investments
91.9


 
117.6


Total restricted cash and investments
$
93.2


 
$
119.3






As of June 30, 2011, and December 31, 2010, the unrealized gains and losses related to restricted investments were immaterial.


Other Investments


The Company's minority equity investments in privately-held companies are carried at cost, as the Company does not have a controlling interest or the ability to exercise significant influence over these companies. The Company adjusts its privately-held equity investments for any impairment if the fair value goes below the carrying value of the respective assets.


As of June 30, 2011, and December 31, 2010, the carrying values of the Company’s privately-held and other equity investments of $29.6 million and $22.1 million, respectively, were included in other long-term assets in the condensed consolidated balance sheets. During the three and six months ended June 30, 2011, the Company invested $2.7 million and $8.7 million, respectively, in privately-held and other equity investments. During the three and six months ended June 30, 2010, the Company invested $0.5 million and $5.2 million in privately-held and other equity investments, respectively, and recognized a gain of $3.2 million from its minority equity investments in Ankeena upon the acquisition of Ankeena. There were no losses from the Company's privately-held and other equity investments during the three and six months ended June 30, 2011, and 2010.
Note 6 - Fair Value Measurements Level 1 (Notes)
Fair Value Disclosures [Text Block]
Fair Value Measurements


The Company determines the fair values of its financial instruments based on a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. Fair value is defined as the price that would be received upon sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value assumes that the transaction to sell the asset or transfer the liability occurs in the principal or most advantageous market for the asset or liability and establishes that the fair value of an asset or liability shall be determined based on the assumptions that market participants would use in pricing the asset or liability. The classification of a financial asset or liability within the hierarchy is based upon the lowest level input that is significant to the fair value measurement. The fair value hierarchy prioritizes the inputs into three levels that may be used to measure fair value:


Level 1 – Inputs are unadjusted quoted prices in active markets for identical assets or liabilities.


Level 2 – Inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument. These inputs are valued using market based approaches.


Level 3 – Inputs are unobservable inputs based on the Company’s assumptions. These inputs, if any, are valued using internal financial models.


Assets and Liabilities Measured at Fair Value on a Recurring Basis


The following tables provide a summary of assets measured at fair value on a recurring basis and as reported in the condensed consolidated balance sheets (in millions):


 
Fair Value Measurements at June 30, 2011 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Available-for-sale debt securities:
 
 
 
 
 
 
 
U.S. government securities
$
150.1


 
$
245.2


 
$
—


 
$
395.3


Government-sponsored enterprise obligations
270.8


 
77.5


 
—


 
348.3


Foreign government debt securities
—


 
10.1


 
—


 
10.1


Commercial paper
—


 
16.0


 
—


 
16.0


Corporate debt securities (1)
—


 
469.3


 
—


 
469.3


Certificate of deposit
—


 
44.3


 
—


 
44.3


Asset-backed securities
—


 
110.9


 
—


 
110.9


Money market funds (2)
1,823.2


 
—


 
—


 
1,823.2


Total available-for-sale debt securities
2,244.1


 
973.3


 
—


 
3,217.4


Total available-for-sale securities
2,244.1


 
973.3


 
—


 
3,217.4


Trading securities:
 
 
 
 
 
 
 
Mutual funds (3)
12.4


 
—


 
—


 
12.4


Total trading securities
12.4


 
—


 
—


 
12.4


Derivative assets:
 
 
 
 
 
 
 
Foreign exchange contracts
—


 
2.3


 
—


 
2.3


Total derivative assets
—


 
2.3


 
—


 
2.3


Total assets measured at fair value
$
2,256.5


 
$
975.6


 
$
—


 
$
3,232.1


________________________________
(1)
Balance includes $2.1 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.
(2)
Balance includes $88.7 million of restricted investments measured at fair market value, related to the Company's D&O trust.
(3)
Balance includes $1.1 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.


 
Fair Value Measurements at June 30, 2011 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Reported as:
 
 
 
 
 
 
 
Cash equivalents
$
1,734.5


 
$
21.0


 
$
—


 
$
1,755.5


Short-term investments
139.6


 
492.2


 
—


 
631.8


Long-term investments
292.6


 
458.0


 
—


 
750.6


Restricted cash
89.8


 
2.1


 
—


 
91.9


Prepaid expenses and other current assets
—


 
2.3


 
—


 
2.3


Total assets measured at fair value
$
2,256.5


 
$
975.6


 
$
—


 
$
3,232.1






 
Fair Value Measurements at December 31, 2010 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Available-for-sale debt securities:
 
 
 
 
 
 
 
U.S. government securities (1)
$
54.9


 
$
180.8


 
$
—


 
$
235.7


Government-sponsored enterprise obligations
208.9


 
10.1


 
—


 
219.0


Foreign government debt securities
21.0


 
26.0


 
—


 
47.0


Commercial paper
—


 
13.5


 
—


 
13.5


Corporate debt securities (2)
2.7


 
461.7


 
—


 
464.4


Certificate of deposit
—


 
21.0


 
—


 
21.0


Asset-backed securities
—


 
90.0


 
—


 
90.0


Money market funds (3)
1,154.2


 
—


 
—


 
1,154.2


Total available-for-sale debt securities
1,441.7


 
803.1


 
—


 
2,244.8


Total available-for-sale securities
1,441.7


 
803.1


 
—


 
2,244.8


Trading securities:
 
 
 
 
 
 
 
Mutual funds
8.1


 
—


 
—


 
8.1


Total trading securities
8.1


 
—


 
—


 
8.1


Derivative assets:
 
 
 
 
 
 
 
Foreign exchange contracts
—


 
0.4


 
—


 
0.4


Total derivative assets
—


 
0.4


 
—


 
0.4


Total assets measured at fair value
$
1,449.8


 
$
803.5


 
$
—


 
$
2,253.3


________________________________
(1)
Balance includes $0.6 million of restricted investments measured at fair market value, related to an acquisition completed in 2005. For additional information regarding the Company's restricted investments, see Note 5, Cash, Cash Equivalents, and Investments, under the heading “Restricted Cash.” Restricted investments are included in the restricted cash balance in the condensed consolidated balance sheet.
(2)
Balance includes $2.7 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.
(3)
Balance includes $114.3 million of restricted investments measured at fair market value, related to the Company's D&O trust.


 
Fair Value Measurements at December 31, 2010 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Reported as:
 
 
 
 
 
 
 
Cash equivalents
$
1,039.9


 
$
85.7


 
$
—


 
$
1,125.6


Short-term investments
150.7


 
323.8


 
—


 
474.5


Long-term investments
142.2


 
393.0


 
—


 
535.2


Restricted cash
117.0


 
0.6


 
—


 
117.6


Prepaid expenses and other current assets
—


 
0.4


 
—


 
0.4


Total assets measured at fair value
$
1,449.8


 
$
803.5


 
$
—


 
$
2,253.3






As of June 30, 2011, and December 31, 2010, the Company had $0.1 million and $2.6 million, respectively, of derivative liabilities measured at fair value on a recurring basis. The Company recorded the derivative liabilities, which related to its foreign exchange contracts, within other accrued liabilities in its condensed consolidated balance sheets. These liabilities were measured using significant other observable remaining inputs (Level 2) pursuant to the fair value hierarchy.


The Company's policy is to recognize asset or liability transfers among Level 1, Level 2, and Level 3 as of the actual date of the events or change in circumstances that caused the transfer. During the three and six months ended June 30, 2011, and 2010 the Company had no transfers between levels of the fair value hierarchy of its assets or liabilities measured at fair value.


Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis


As of June 30, 2011, and December 31, 2010, the Company had no material assets or liabilities measured at fair value on a nonrecurring basis.


Assets and Liabilities Not Measured at Fair Value


The carrying amounts of the Company's accounts receivable, financing receivables, accounts payable, and other accrued liabilities approximate fair value due to their short maturities. The fair value of the Company’s long-term debt is disclosed in Note 9, Financing, and was determined using quoted market prices (Level 1).
Note 7 - Goodwill and Purchased Intangible Assets Level 1 (Notes)
Goodwill and purchased intangible assets [Text Block]
Goodwill and Purchased Intangible Assets


Goodwill


The following table summarizes the Company's goodwill activities by segment in the six months ended June 30, 2011 (in millions):


 
Infrastructure
 
SLT
 
Total
Balance as of January 1, 2011
 
 
 
 
 
Goodwill
$
1,643.4


 
$
3,564.4


 
$
5,207.8


Accumulated impairment losses
—


 
(1,280.0
)
 
(1,280.0
)
Carrying value at January 1, 2011
1,643.4


 
2,284.4


 
3,927.8


Adjustments to goodwill
(0.3
)
 
—


 
(0.3
)
Goodwill acquired during the six months ended June 30, 2011
0.4


 
—


 
0.4


Balance as of June 30, 2011
 
 
 
 
 
Goodwill
1,643.5


 
3,564.4


 
5,207.9


Accumulated impairment losses
—


 
(1,280.0
)
 
(1,280.0
)
Carrying value at June 30, 2011
$
1,643.5


 
$
2,284.4


 
$
3,927.9






The adjustments to goodwill during the six months ended June 30, 2011, were related to adjustments in net tangible assets assumed from certain businesses acquired in 2010. There were no impairments to goodwill during the three and six months ended June 30, 2011, and 2010.
 
Purchased Intangible Assets


Changes to the Company’s purchased intangible assets were as follows (in millions):


 
Gross
 
Accumulated Amortization
 
Net
As of June 30, 2011:
 
 
 
 
 
Intangible assets with finite lives:
 
 
 
 
 
Technologies and patents
$
494.4


 
$
(392.6
)
 
$
101.8


Other
91.5


 
(64.5
)
 
27.0


Total intangible assets with finite lives
585.9


 
(457.1
)
 
128.8


IPR&D with indefinite lives
7.9


 
—


 
7.9


Total purchased intangible assets
$
593.8


 
$
(457.1
)
 
$
136.7


 
 
 
 
 
 
As of December 31, 2010:
 
 
 
 
 
Intangible assets with finite lives:
 
 
 
 
 
Technologies and patents
$
471.1


 
$
(381.4
)
 
$
89.7


Other
86.4


 
(62.2
)
 
24.2


Total intangible assets with finite lives
557.5


 
(443.6
)
 
113.9


IPR&D with indefinite lives
7.9


 
—


 
7.9


Total purchased intangible assets
$
565.4


 
$
(443.6
)
 
$
121.8






Amortization of purchased intangible assets included in operating expenses and cost of product revenues totaled $6.8 million and $1.5 million for the three months ended June 30, 2011, and 2010, respectively, and $13.5 million and approximately $2.6 million for the six months ended June 30, 2011, and 2010, respectively. There were no impairment charges with respect to the purchased intangible assets in the three and six months ended June 30, 2011, and 2010.


During the six months ended June 30, 2011, $28.4 million of purchased intangible assets were added as a result of acquisitions completed during the first quarter of 2011. During the three and six months ended June 30, 2010, the Company added $12.2 million of purchased intangible assets as a result of acquisitions completed during 2010.


Acquired in-process research and development (“IPR&D”) consists of existing research and development projects at the time of the acquisition. Projects that qualify as IPR&D assets represent those that have not yet reached technological feasibility and have no alternative future use. After initial recognition, acquired IPR&D assets are accounted for as indefinite-lived intangible assets. Development costs incurred after acquisition on acquired development projects are expensed as incurred. Upon completion of development, acquired IPR&D assets are considered amortizable finite-lived assets. If the IPR&D project is abandoned, the Company writes off the related purchased intangible asset in the period it is abandoned.


The estimated future amortization expense of purchased intangible assets with finite lives is as follows (in millions):


Years Ending December 31,
 
Amount
2011 (remaining six months)
 
$
13.3


2012
 
26.4


2013
 
26.1


2014
 
24.3


2015
 
19.3


Thereafter
 
19.4


Total
 
$
128.8


Note 8 - Other Financial Information Level 1 (Notes)
Other Financial Information [Text Block]
Other Financial Information


Warranties


The Company provides for the estimated cost of product warranties at the time revenue is recognized. This provision is reported as accrued warranty within current liabilities on the condensed consolidated balance sheets. Changes in the Company’s warranty reserve were as follows (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Beginning balance
$
38.3


 
$
37.8


 
$
35.9


 
$
38.2


Provisions made during the period, net
12.4


 
12.1


 
27.7


 
24.2


Change in estimate
(2.1
)
 
(0.1
)
 
(2.9
)
 
(0.6
)
Actual costs incurred during the period
(10.5
)
 
(11.5
)
 
(22.6
)
 
(23.5
)
Ending balance
$
38.1


 
$
38.3


 
$
38.1


 
$
38.3






Deferred Revenue


Details of the Company's deferred revenue were as follows (in millions):
 
As of
 
June 30,

2011
 
December 31,

2010
Deferred product revenue:
 
 
 
Undelivered product commitments and other product deferrals
$
288.7


 
$
294.1


Distributor inventory and other sell-through items
138.6


 
143.4


Deferred gross product revenue
427.3


 
437.5


Deferred cost of product revenue
(134.8
)
 
(148.8
)
Deferred product revenue, net
292.5


 
288.7


Deferred service revenue
637.7


 
595.7


Total
$
930.2


 
$
884.4


Reported as:
 
 
 
Current
$
707.4


 
$
660.2


Long-term
222.8


 
224.2


Total
$
930.2


 
$
884.4






Deferred product revenue primarily represents unrecognized revenue related to shipments to distributors that have not sold through to end-users, undelivered product commitments, and other shipments that have not met all revenue recognition criteria. Deferred product revenue is recorded net of the related product costs of revenue. Deferred service revenue represents customer payments made in advance for services, which include technical support, hardware and software maintenance, professional services, and training.


Restructuring Liabilities


In 2009, the Company implemented a restructuring plan (the “2009 Restructuring Plan”) in an effort to better align its business operations with the current market and macroeconomic conditions. The plan included restructuring of certain business functions that resulted in reductions of workforce and facilities. The Company adjusted its restructuring liability by $0.9 million and $1.3 million, in the three and six months ended June 30, 2011, respectively, primarily due to the lease termination of a restructured facility, and recorded $0.3 million and $8.4 million within restructuring in the condensed consolidated statements of operations during the three and six months ended June 30, 2010, respectively, in connection with the 2009 Restructuring Plan.


Restructuring charges were based on the Company's restructuring plans that were committed by management. Any changes in the estimates of executing the approved plans will be reflected in the Company's results of operations. The following table provides a summary of changes in the Company’s restructuring liability (in millions):


 
Remaining Liability as of
December 31, 2010
 
Charges
 
Cash payments
 
Adjustments
 
Remaining Liability as of
June 30, 2011
Facilities
$
7.7


 
$
—


 
$
(4.9
)
 
$
(1.3
)
 
$
1.5


Severance, contractual commitments, and other charges
0.2


 
—


 
—


 
—


 
0.2


Total
$
7.9


 
$
—


 
$
(4.9
)
 
$
(1.3
)
 
$
1.7






Other Expense and Income, Net


Other expense and income, net, consists of the following (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Interest income
$
2.6


 
$
2.7


 
$
5.0


 
$
5.1


Interest expense
(15.2
)
 
(2.0
)
 
(21.6
)
 
(3.6
)
Other
(1.1
)
 
3.4


 
(3.5
)
 
4.0


Other (expense) income, net
$
(13.7
)
 
$
4.1


 
$
(20.1
)
 
$
5.5






Interest income primarily includes interest income from the Company’s cash, cash equivalents, and investments. Interest expense primarily includes interest expense from long-term debt and customer financing arrangements. Other typically consists of investment and foreign exchange gains and losses and other non-operational income and expense items.
Note 9 - Financing Level 1 (Notes)
Debt Disclosure [Text Block]
Financing


Long-Term Debt


The following table summarizes the Company's long-term debt (in millions, except percentages):


 
As of
 
June 30, 2011
 
Amount
 
Effective Interest Rate
Senior notes:
 
 
 
3.10% fixed-rate notes, due 2016
$
300.0


 
3.12
%
4.60% fixed-rate notes, due 2021
300.0


 
4.63
%
5.95% fixed-rate notes, due 2041
400.0


 
6.01
%
Total senior notes
1,000.0


 
 
Unaccreted discount
(1.0
)
 
 
Total
$
999.0


 
 


In March 2011, the Company issued $300.0 million aggregate principal amount of 3.10% senior notes due 2016 (the "2016 notes"), $300.0 million aggregate principal amount of 4.60% senior notes due 2021 (the "2021 notes"), and $400.0 million aggregate principal amount of 5.95% senior notes due 2041 (the "2041 notes" and, together with the 2016 notes and the 2021 notes the "notes"). Interest on the notes is payable in cash semiannually. The Company may redeem the notes, at any time in whole or from time to time in part, subject to a make-whole premium, and, in the event of a change in control, the holders of the notes may require to the Company to repurchase for cash all or part of the notes at a purchase price equal to 101% of the aggregate principle amount, plus accrued and unpaid interest, if any. The indenture that governs the notes also contains various covenants, including limitations on the Company's ability to incur liens or enter into sale-leaseback transactions over certain dollar thresholds.


The effective rates for the notes include the interest on the notes, accretion of the discount, and amortization of issuance costs. At June 30, 2011, the estimated fair value of the notes included in long-term debt was approximately $1,025.3 million based on quoted market prices (Level 1). The Company had no such debt at December 31, 2010.
 
Customer Financing Arrangements


The Company has customer financing arrangements to sell its accounts receivable to a major third-party financing provider. The program does not and is not intended to affect the timing of revenue recognition because the Company only recognizes revenue upon sell-through. Under the financing arrangements, proceeds from the financing provider are due to the Company 30 days from the sale of the receivable. In these transactions with the financing provider, the Company surrendered control over the transferred assets. The accounts receivable were isolated from the Company and put beyond the reach of creditors, even in the event of bankruptcy. The Company does not maintain effective control over the transferred assets through obligations or rights to redeem, transfer, or repurchase the receivables after they have been transferred.


Pursuant to the financing arrangements for the sale of receivables, the Company sold net receivables of $224.2 million and $156.2 million during the three months ended June 30, 2011, and 2010, respectively, and $399.0 million and $282.4 million during the six months ended June 30, 2011, and 2010, respectively.


The Company received cash proceeds from the financing provider of $207.6 million and $137.6 million during the three months ended June 30, 2011, and 2010, respectively, and $401.9 million and $276.5 million during the six months ended June 30, 2011, and 2010, respectively. The amounts owed by the financing provider recorded as accounts receivable on the Company’s condensed consolidated balance sheets as of June 30, 2011, and December 31, 2010, was $116.4 million and $127.4 million, respectively.


The portion of the receivable financed that has not been recognized as revenue is accounted for as a financing arrangement and is included in other accrued liabilities and other long-term liabilities in the condensed consolidated balance sheet. As of June 30, 2011, and December 31, 2010, the estimated cash received from the financing provider not recognized as revenue from distributors was $64.2 million and $49.1 million, respectively.
Note 10 - Derivative Instruments Level 1 (Notes)
Derivative Instruments [Text Block]
Derivative Instruments


The Company uses derivatives to partially offset its market exposure to fluctuations in certain foreign currencies and does not enter into derivatives for speculative or trading purposes.


The notional amount of Company's foreign currency derivatives are summarized as follows (in millions):
 
As of
 
June 30,

2011
 
December 31,

2010
Cash flow hedges
$
139.1


 
$
110.4


Non-designated hedges
151.1


 
74.4


     Total
$
290.2


 
$
184.8






Cash Flow Hedges


The Company uses foreign currency forward or option contracts to hedge certain forecasted foreign currency transactions relating to cost of services and operating expenses. The derivatives are intended to protect the U.S. Dollar equivalent of the Company's planned cost of services and operating expenses denominated in foreign currencies. These derivatives are designated as cash flow hedges. Execution of these cash flow hedge derivatives typically occurs every month with maturities of less than one year. The effective portion of the derivative's gain or loss is initially reported as a component of accumulated other comprehensive income (loss), and upon occurrence of the forecasted transaction, is subsequently reclassified into the cost of services or operating expense line item to which the hedged transaction relates. The Company records any ineffectiveness of the hedging instruments in interest and other income, net in its consolidated statements of operations. Cash flows from such hedges are classified as operating activities. All amounts within other comprehensive income (loss) are expected to be reclassified into earnings within the next 12 months.


The total fair value of the Company’s derivative assets located in other current assets on the condensed consolidated balance sheet as of June 30, 2011, and December 31, 2010, was $2.3 million and $0.4 million, respectively. The total fair value of the Company’s derivative liabilities located in other accrued liabilities on the condensed consolidated balance sheet as of June 30, 2011, and December 31, 2010, was $0.1 million and $2.6 million, respectively.


During the three and six months ended June 30, 2011, the Company recognized a gain of $1.9 million and $7.1 million, respectively, in accumulated other comprehensive income for the effective portion of its derivative instruments and reclassified a gain of $1.7 million and $2.2 million, respectively, from other comprehensive income to operating expense in the condensed consolidated statements of operations. The Company recognized a loss of $2.9 million and $4.5 million, respectively, in accumulated other comprehensive loss for the effective portion of its derivative instruments and reclassified a loss of $2.6 million and $3.2 million, respectively, from other comprehensive loss to operating expense in the condensed consolidated statements of operations during the three and six months ended June 30, 2010. 


The ineffective portion of the Company's derivative instruments recognized in its condensed consolidated statements of operations was $0.2 million and $0.5 million during the three and six months ended June 30, 2011, respectively, and nil during the three and six months ended June 30, 2010.


Non-Designated Hedges


The Company also uses foreign currency forward contracts to mitigate variability in gains and losses generated from the re-measurement of certain monetary assets and liabilities denominated in foreign currencies. These hedges do not qualify for special hedge accounting treatment. These derivatives are carried at fair value with changes recorded in other income and expense, net. Changes in the fair value of these derivatives are largely offset by re-measurement of the underlying assets and liabilities. Cash flows from such derivatives are classified as operating activities. The derivatives have maturities of approximately two months.


During the three and six months ended June 30, 2011, the Company recognized a net gain on non-designated derivative instruments within other expense and income, net, on its condensed consolidated statements of operations of $0.4 million and $0.2 million, respectively. The Company recognized a loss of $1.0 million and $1.4 million on non-designated derivative instruments within other expense and income, net, on its condensed consolidated statements of operations during the three and six months ended June 30, 2010, respectively.
Note 11 - Equity Level 1 (Notes)
Equity [Text Block]
Equity


Stock Repurchase Activities


In February 2010, the Company’s Board of Directors (the “Board”) approved a new stock repurchase program (the “2010 Stock Repurchase Program”) which authorized the Company to repurchase up to $1.0 billion of its common stock. This authorization was in addition to the stock repurchase program approved by the Board in March 2008 (the “2008 Stock Repurchase Program”), which also enabled the Company to repurchase up to $1.0 billion of the Company’s common stock.


The Company repurchased and retired approximately 3.9 million shares of its common stock at an average price of $38.94 per share for an aggregate purchase price of $150.0 million during the three months ended June 30, 2011, and approximately 8.6 million shares of its common stock at an average price of $40.71 per share for an aggregate purchase price of $350.2 million during the six months ended June 30, 2011, under its 2010 Stock Repurchase Program. The Company repurchased and retired approximately 6.5 million shares of its common stock at an average price of $27.33 per share for an aggregate purchase price of $177.4 million during the three months ended June 30, 2010, and approximately 9.2 million shares of its common stock at an average price of $27.24 for an aggregate purchase price of $251.8 million during the six months ended June 30, 2010, under its 2008 Stock Repurchase Program. There were no remaining authorized funds under the 2008 Stock Repurchase Program and $404.8 million remaining authorized funds under the 2010 Stock Repurchase Program as of June 30, 2011.


Comprehensive Income Attributable to Juniper Networks


Comprehensive income attributable to Juniper Networks consists of the following (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Consolidated net income
$
115.5


 
$
130.3


 
$
245.2


 
$
295.0


Other comprehensive income (loss), net of tax:
 
 
 
 
 
 
 
Change in unrealized (loss) gain on investments, net of tax of nil
(1.5
)
 
(1.3
)
 
2.9


 
(1.7
)
Change in foreign currency translation adjustment, net of tax of nil
2.6


 
(4.8
)
 
9.2


 
(7.5
)
Total other comprehensive income (loss), net of tax
1.1


 
(6.1
)
 
12.1


 
(9.2
)
Consolidated comprehensive income
116.6


 
124.2


 
257.3


 
285.8


Adjust for comprehensive loss (income) attributable to noncontrolling interest, net of tax
0.1


 
0.2


 
0.1


 
(1.3
)
Comprehensive income attributable to Juniper Networks
$
116.7


 
$
124.4


 
$
257.4


 
$
284.5






The following table summarizes equity activity for the three and six months ended June 30, 2011 (in millions):


 
Common Stock
& Additional
Paid-in-Capital
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Accumulated
Deficit
 
Non-
controlling
Interest
 
Total
Equity
Balance at December 31, 2010
$
9,717.8


 
$
(1.3
)
 
$
(3,108.3
)
 
$
0.6


 
$
6,608.8


Consolidated net income
—


 
—


 
129.8


 
(0.1
)
 
129.7


Change in unrealized gain on investments, net of tax of nil
—


 
4.4


 
—


 
—


 
4.4


Change in foreign currency translation adjustment, net of tax of nil
—


 
6.6


 
—


 
—


 
6.6


Issuance of shares in connection with Employee Stock Purchase Plan
23.7


 
—


 
—


 
—


 
23.7


Exercise of stock options by employees
241.7


 
—


 
—


 
—


 
241.7


Repurchase and retirement of common stock
(70.3
)
 
—


 
(129.9
)
 
—


 
(200.2
)
Repurchases related to net issuances
(1.8
)
 
—


 
(3.1
)
 
—


 
(4.9
)
Share-based compensation expense
47.6


 
—


 
—


 
—


 
47.6


Adjustment related to tax benefit from employee stock option plans
39.4


 
—


 
—


 
—


 
39.4


Balance at March 31, 2011
9,998.1


 
9.7


 
(3,111.5
)
 
0.5


 
6,896.8


Consolidated net income
—


 
—


 
115.6


 
(0.1
)
 
115.5


Change in unrealized loss on investments, net of tax of nil
—


 
(1.5
)
 
—


 
—


 
(1.5
)
Change in foreign currency translation adjustment, net of tax of nil
—


 
2.6


 
—


 
—


 
2.6


Exercise of stock options by employees
37.9


 
—


 
—


 
—


 
37.9


Repurchase and retirement of common stock
(55.2
)
 
—


 
(94.8
)
 
—


 
(150.0
)
Share-based compensation expense
58.6


 
—


 
—


 
—


 
58.6


Adjustment related to tax benefit from employee stock option plans
2.0


 
—


 
—


 
—


 
2.0


Balance at June 30, 2011
$
10,041.4


 
$
10.8


 
$
(3,090.7
)
 
$
0.4


 
$
6,961.9




The following table summarizes equity activity for the three and six months ended June 30, 2010 (in millions):


 
Common Stock
& Additional
Paid-in-Capital
 
Accumulated
Other
Comprehensive Income (Loss)
 
Accumulated
Deficit
 
Non-
controlling
Interest
 
Total
Equity
Balance at December 31, 2009
$
9,060.1


 
$
(1.4
)
 
$
(3,236.5
)
 
$
2.6


 
$
5,824.8


Consolidated net income
—


 
—


 
163.1


 
1.5


 
164.6


Change in unrealized loss on investments, net of tax of nil
—


 
(0.4
)
 
—


 
—


 
(0.4
)
Change in foreign currency translation adjustment, net of tax of nil
—


 
(2.7
)
 
—


 
—


 
(2.7
)
Issuance of shares in connection with Employee Stock Purchase Plan
20.8


 
—


 
—


 
—


 
20.8


Exercise of stock options by employees
101.2


 
—


 
—


 
—


 
101.2


Return of capital to noncontrolling interest
—


 
—


 
—


 
(2.0
)
 
(2.0
)
Repurchase and retirement of common stock
(5.7
)
 
—


 
(68.7
)
 
—


 
(74.4
)
Repurchases related to net issuances
—


 
—


 
(1.8
)
 
—


 
(1.8
)
Share-based compensation expense
40.6


 
—


 
—


 
—


 
40.6


Adjustment related to tax benefit from employee stock option plans
50.6


 
—


 
—


 
—


 
50.6


Balance at March 31, 2010
9,267.6


 
(4.5
)
 
(3,143.9
)
 
2.1


 
6,121.3


Consolidated net income
—


 
—


 
130.5


 
(0.2
)
 
130.3


Change in unrealized loss on investments, net of tax of nil
—


 
(1.3
)
 
—


 
—


 
(1.3
)
Change in foreign currency translation adjustment, net of tax of nil
—


 
(4.8
)
 
—


 
—


 
(4.8
)
Exercise of stock options by employees
53.7


 
—


 
—


 
—


 
53.7


Return of capital to noncontrolling interest
—


 
—


 
—


 
(1.0
)
 
(1.0
)
Shares assumed in connection with business acquisition
2.3


 
—


 
—


 
—


 
2.3


Repurchase and retirement of common stock
(9.1
)
 
—


 
(168.3
)
 
—


 
(177.4
)
Share-based compensation expense
43.3


 
—


 
—


 
—


 
43.3


Adjustment related to tax benefit from employee stock option plans
5.4


 
—


 
—


 
—


 
5.4


Balance at June 30, 2010
$
9,363.2


 
$
(10.6
)
 
$
(3,181.7
)
 
$
0.9


 
$
6,171.8


Note 12 - Employee Benefit Plans Level 1 (Notes)
Employee Benefit Plans [Text Block]
Employee Benefit Plans


Share-Based Compensation Plans


The Company’s share-based compensation plans include the 2006 Equity Incentive Plan (the “2006 Plan”), 2000 Nonstatutory Stock Option Plan (the “2000 Plan”), Amended and Restated 1996 Stock Plan (the “1996 Plan”), as well as various equity incentive plans assumed through acquisitions. Under these plans, the Company has granted (or in the case of acquired plans, assumed) stock options, RSUs, and PSAs. In addition, the Company’s 2008 Employee Stock Purchase Plan (the “2008 Purchase Plan”) permits eligible employees to acquire shares of the Company’s common stock at a 15% discount to the offering price (as determined in the 2008 Purchase Plan) through periodic payroll deductions of up to 10% of base compensation, subject to individual purchase limits of 6,000 shares in any twelve-month period or $25,000 worth of stock, determined at the fair market value of the shares at the time the stock purchase option is granted, in one calendar year.


The 2006 Plan, adopted and approved by the Company’s stockholders in May 2006, had an initial authorized share reserve of 64.5 million shares of common stock plus the addition of any shares subject to options under the 2000 Plan and the 1996 Plan that were outstanding as of May 18, 2006, and that subsequently expire unexercised, up to a maximum of an additional 75.0 million shares. In the second quarters of 2010 and 2011 the Company’s stockholders’ approved amendments to the 2006 Plan that increased the number of shares reserved for issuance thereby increasing the authorized share reserve by 30.0 million shares in May 2010 and 2011. As of June 30, 2011, the 2006 Plan had 59.0 million shares subject to currently outstanding equity awards and 42.6 million shares available for future issuance.


In connection with past acquisitions, the Company assumed stock option and RSU awards under the stock plans of the acquired companies. The Company exchanged those awards for Juniper Networks' stock options and RSUs. As of June 30, 2011, stock options and RSUs covering approximately 1.6 million shares of common stock were outstanding under awards assumed through the Company's past acquisitions.


Stock Option Activities


Since 2006, the Company has granted stock option awards that have a maximum contractual life of seven years from the date of grant. Prior to 2006, stock option awards generally had a ten-year contractual life from the date of grant. The following table summarizes the Company’s stock option activity and related information as of and for the six months ended June 30, 2011 (in millions, except for per share amounts and years):


 
Outstanding Options
 
Number of Shares
 
Weighted Average
Exercise Price per Share
 
Weighted Average Remaining Contractual Term (In Years)
 
Aggregate Intrinsic Value
Balance at January 1, 2011
49.4


 
$
21.90


 
 
 
 
Options granted
4.5


 
41.10


 
 
 
 
Options canceled
(1.0
)
 
25.17


 
 
 
 
Options exercised
(13.0
)
 
21.52


 
 
 
 
Options expired
(0.2
)
 
48.40


 
 
 
 
Balance at June 30, 2011
39.7


 
$
23.98


 
4.2


 
$
345.0


 
 
 
 
 
 
 
 
As of June 30, 2011:
 
 
 
 
 
 
 
Vested or expected-to-vest options
37.3


 
$
23.52


 
4.1


 
$
334.6


Exercisable options
24.0


 
$
21.05


 
3.3


 
$
253.0






Aggregate intrinsic value represents the difference between the Company’s closing stock price on the last trading day of the period, which was $31.50 per share as of June 30, 2011, and the exercise price multiplied by the number of related options. The pre-tax intrinsic value of options exercised, representing the difference between the fair market value of the Company’s common stock on the date of the exercise and the exercise price of each option, was $29.5 million and $240.9 million for the three and six months ended June 30, 2011, respectively. Total fair value of options vested for the three and six months ended June 30, 2011, was $18.6 million and $46.2 million, respectively.


Restricted Stock Units and Performance Share Awards Activities


RSUs generally vest over a period of three to four years from the date of grant, and PSAs generally vest after three years provided that certain annual performance targets and other vesting criteria are met. Until vested, RSUs and PSAs do not have the voting and dividend participation rights of common stock and the shares underlying the awards are not considered issued and outstanding.


The following table summarizes the Company’s RSU and PSA activity and related information as of and for the six months ended June 30, 2011 (in millions, except per share amounts and years):


 
Outstanding RSUs and PSAs
 
Number of Shares
 
Weighted Average Grant-Date Fair Value per Share
 
Weighted Average Remaining Contractual Term (In Years)
 
Aggregate Intrinsic Value
Balance at January 1, 2011
14.2


 
$
25.94


 
 
 
 
RSUs granted
4.2


 
39.76


 
 
 
 
PSAs granted (1)
3.8


 
41.13


 
 
 
 
RSUs vested
(1.3
)
 
22.50


 
 
 
 
PSAs vested
(0.6
)
 
25.45


 
 
 
 
RSUs canceled
(0.3
)
 
29.56


 
 
 
 
     PSAs canceled
(0.7
)
 
27.41


 
 
 
 
Balance at June 30, 2011:
19.3


 
$
32.04


 
1.9


 
$
616.1


 
 
 
 
 
 
 
 
As of June 30, 2011:
 
 
 
 
 
 
 
Vested and expected-to-vest RSUs and PSAs
16.4


 
$
31.60


 
1.8


 
$
516.0


________________________________
(1)
The number of shares subject to PSAs granted represents the aggregate maximum number of shares that may be issued pursuant to the award over its full term. The aggregate number of shares subject to these PSAs that would be issued if performance goals determined by the Compensation Committee are achieved at target is 1.8 million shares. Depending on achievement of such performance goals, the range of shares that could be issued under these awards is 0 to 3.8 million shares.


Employee Stock Purchase Plan


The Company's 2008 Purchase Plan is implemented in a series of offering periods, each six months in duration, or a shorter period as determined by the Board. Under the 2008 Purchase Plan, employees purchased approximately 1.0 million shares at an average per share price of $23.89 in the six months ended June 30, 2011, and approximately 1.0 million shares of common stock at an average price of $21.11 per share in the six months ended June 30, 2010. There were no purchases under the 2008 Purchase plan in the three months ended June 30, 2011, and 2010.


As of June 30, 2011, approximately 4.6 million shares had been issued and 7.4 million shares remained available for future issuance under the 2008 Purchase Plan.


Shares Available for Grant


The following table presents the stock grant activity and the total number of shares available for grant under the 2006 Plan as of June 30, 2011 (in millions):
 
Number of Shares
Balance at January 1, 2011
30.7


Additional authorized share reserve approved by stockholders
30.0


RSUs and PSAs granted (1)
(16.9
)
Options granted
(4.5
)
RSUs and PSAs canceled (1)
2.1


Options canceled (2)
1.0


Options expired (2)
0.2


Balance at June 30, 2011
42.6


________________________________
(1)
RSUs and PSAs with a per share or unit purchase price lower than 100% of the fair market value of the Company's common stock on the day of the grant under the 2006 Plan are counted against shares authorized under the plan as two and one-tenth shares of common stock for each share subject to such award. The number of shares subject to PSAs granted represents the maximum number of shares that may be issued pursuant to the award over its full term.
(2)
Includes canceled or expired options under the 1996 Plan and the 2000 Plan that expired unexercised after May 18, 2006, which become available for grant under the 2006 Plan according to its terms.


Common Stock Reserved for Future Issuance


As of June 30, 2011, the Company had reserved an aggregate of approximately 109.0 million shares of common stock for future issuance under its equity incentive plans and the 2008 Purchase Plan.


Share-Based Compensation Expense


The Company determines the fair value of its stock options utilizing the Black-Scholes-Merton (“BSM”) option-pricing model, which incorporates various assumptions including volatility, risk-free interest rate, expected life, and dividend yield. The expected volatility is based on the implied volatility of market-traded options on the Company’s common stock, adjusted for other relevant factors including historical volatility of the Company’s common stock over the most recent period commensurate with the estimated expected life of the Company’s stock options. The expected life of a stock option award is based on historical experience and on the terms and conditions of the stock awards granted to employees, as well as the potential effect from stock options that had not been exercised at the time. The Company determines the fair value of its RSUs and PSAs based upon the fair market value of the shares of the Company’s common stock at the date of grant.


The assumptions used and the resulting estimates of fair value for employee stock options and the employee stock purchase plan during the three and six months ended June 30, 2011, and 2010 were:


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Employee Stock Options:
 
 
 
 
 
 
 
Volatility factor
41% - 42%
 
33% - 41%
 
41% - 42%
 
33% - 41%
Risk-free interest rate
1.2% - 1.7%
 
1.7% - 2.2%
 
1.2% - 1.9%
 
1.7% - 2.2%
Expected life (years)
4.1
 
4.3
 
4.1
 
4.3
Dividend yield
—
 
—
 
—
 
—
Fair value per share
$10.12- $13.65
 
$7.83 - $30.36
 
$10.12- $15.22
 
$7.83 - $30.36
 
 
 
 
 
 
 
 
Employee Stock Purchase Plan:
 
 
 
 
 
 
 
Volatility factor
33%
 
35%
 
33%
 
35%
Risk-free interest rate
1.8%
 
1.7%
 
1.8%
 
1.7%
Expected life (years)
0.5
 
0.5
 
0.5
 
0.5
Dividend yield
—
 
—
 
—
 
—
Weighted-average fair value per share
$9.07
 
$6.19
 
$9.07
 
$6.19




The Company expenses the cost of its stock options on a straight-line basis over the vesting period and expenses the cost of its RSUs ratably over the vesting period. With respect to PSAs, for the portion of the award attributable to each performance year, the Company recognizes PSA expense ratably over the remaining vesting period starting in the period in which the annual performance targets are set for each such performance year.


The Company’s share-based compensation expense associated with stock options, employee stock purchases, RSUs, and PSAs is recorded in the following cost and expense categories for the three and six months ended June 30, 2011, and 2010 (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Cost of revenues - Product
$
1.2


 
$
1.0


 
$
2.2


 
$
2.1


Cost of revenues - Service
4.4


 
3.2


 
8.4


 
6.7


Research and development
26.6


 
18.7


 
48.9


 
35.7


Sales and marketing
19.2


 
13.9


 
32.4


 
25.6


General and administrative
8.7


 
7.8


 
17.3


 
15.1


Total
$
60.1


 
$
44.6


 
$
109.2


 
$
85.2






The following table summarizes share-based compensation expense by award type (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Options
$
19.9


 
$
20.8


 
$
39.6


 
$
40.9


Assumed options
—


 
0.6


 
—


 
0.6


RSUs and PSAs
34.5


 
19.2


 
58.0


 
35.5


Assumed RSUs
—


 
0.5


 
—


 
0.5


Employee stock purchase plan
4.2


 
2.2


 
8.6


 
6.4


Other acquisition-related compensation
1.5


 
1.3


 
3.0


 
1.3


Total
$
60.1


 
$
44.6


 
$
109.2


 
$
85.2






As of June 30, 2011, approximately $121.5 million of unrecognized compensation cost, adjusted for estimated forfeitures, related to unvested stock options will be recognized over a weighted-average period of approximately 2.5 years while approximately $277.4 million of unrecognized compensation cost, adjusted for estimated forfeitures, related to unvested RSUs and PSAs will be recognized over a weighted-average period of approximately 2.4 years.


401(k) Plan


The Company maintains a savings and retirement plan qualified under Section 401(k) of the Internal Revenue Code of 1986, as amended. Employees meeting the eligibility requirements, as defined, may contribute up to the statutory limits of the year. The Company has matched employee contributions since January 1, 2001, currently matching 25% of all eligible employee contributions. All matching contributions vest immediately. The Company’s matching contributions to the plan totaled $4.7 million and $9.8 million in the three and six months ended June 30, 2011, respectively, and $3.5 million and $7.5 million in the three and six months ended June 30, 2010, respectively.


Deferred Compensation Plan


The Company’s non-qualified deferred compensation (“NQDC”) plan is an unfunded and unsecured deferred compensation arrangement. Under the NQDC plan, officers and other senior employees may elect to defer a portion of their compensation and contribute such amounts to one or more investment funds. The NQDC plan assets are included within short-term investments, and offsetting obligations are included within accrued compensation on the condensed consolidated balance sheet. The investments are considered trading securities and are reported at fair value. The realized and unrealized holding gains and losses related to these investments are recorded in interest and other income, net, and the offsetting compensation expense are recorded as operating expenses in the condensed consolidated results of operations. The deferred compensation liability under the NQDC plan was approximately $11.3 million and $8.1 million as of June 30, 2011, and December 31, 2010, respectively. For additional information regarding the Company's NQDC, see Note 5, Cash, Cash Equivalents, and Inv
Note 13 - Segments Level 1 (Notes)
Segments [Text Block]
Segments


The Company’s chief operating decision maker (“CODM”) allocates resources and assesses performance based on financial information by the Company’s business groups. The Company’s operations are organized into two reportable segments: Infrastructure and Service Layer Technology ("SLT"). The Infrastructure segment consists of routing and switching products and services. Routing includes products and services from the E, M, MX, PTX, and T Series router families, QFabric, as well as network application platform, Junos Space. Switching primarily consists of products and services for EX Series and wireless local area network solutions. The SLT segment includes SRX services and vGW virtual gateways, Firewall virtual private network systems and appliances, secure socket layer virtual private network appliances, the J Series router product family, intrusion detection and prevention appliances, wide area network optimization platforms, and Junos Pulse.


The primary financial measure used by the CODM in assessing performance of the segments is segment operating income, which includes certain cost of revenues, research and development (“R&D”) expenses, sales and marketing expenses, and general and administrative (“G&A”) expenses. The CODM does not allocate certain miscellaneous expenses to its segments even though such expenses are included in the Company’s management operating income.


For arrangements with both Infrastructure and SLT products and services, revenue is attributed to the segment based on the underlying purchase order, contract, or sell-through report. Direct costs and operating expenses, such as standard costs, R&D, and product marketing expenses, are generally applied to each segment. Indirect costs, such as manufacturing overhead and other cost of revenues, are allocated based on standard costs. Indirect operating expenses, such as sales, marketing, business development, and G&A expenses are generally allocated to each segment based on factors including headcount, usage, and revenue. The CODM does not allocate share-based compensation, amortization of purchased intangible assets, restructuring and impairment charges, gains or losses on equity investments, other net income and expense, income taxes, or certain other charges to the segments.


The following table summarizes financial information for each segment used by the CODM (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Net revenues:
 
 
 
 
 
 
 
Infrastructure:
 
 
 
 
 
 
 
Routers
$
761.5


 
$
628.1


 
$
1,510.5


 
$
1,229.5


Switches
122.5


 
92.3


 
228.3


 
169.5


Total Infrastructure
884.0


 
720.4


 
1,738.8


 
1,399.0


SLT
236.5


 
257.9


 
483.4


 
491.9


Total net revenues
1,120.5


 
978.3


 
2,222.2


 
1,890.9


Segment operating income:
 
 
 
 
 
 
 
Infrastructure
209.7


 
181.2


 
419.1


 
357.7


SLT
32.5


 
52.6


 
68.9


 
87.7


Total segment operating income
242.2


 
233.8


 
488.0


 
445.4


Amortization of purchased intangible assets (1)
(6.8
)
 
(1.5
)
 
(13.5
)
 
(2.6
)
Share-based compensation expense
(60.1
)
 
(44.6
)
 
(109.2
)
 
(85.2
)
Share-based payroll tax expense
(1.1
)
 
(1.9
)
 
(9.0
)
 
(3.4
)
Restructuring
0.9


 
(0.3
)
 
1.3


 
(8.4
)
Acquisition-related charges (2)
(4.2
)
 
(0.5
)
 
(9.3
)
 
(0.5
)
Total operating income
170.9


 
185.0


 
348.3


 
345.3


Other (expense) income, net
(13.7
)
 
4.0


 
(20.1
)
 
5.5


Income before income taxes and noncontrolling interest
$
157.2


 
$
189.0


 
$
328.2


 
$
350.8


________________________________
(1)
Amount includes amortization expense of purchased intangible assets in operating expenses and in cost of revenues.
(2)
Amount includes acquisition-related costs in operating expenses and in cost of revenues.


Depreciation expense allocated to the Infrastructure segment was $26.9 million and $52.6 million in the three and six months ended June 30, 2011, respectively, and $26.4 million and $51.1 million in three and six months ended June 30, 2010, respectively. Depreciation expense allocated to the SLT segment was $8.2 million and $16.5 million in the three and six months ended June 30, 2011, respectively, and $9.6 million and $19.1 million in the three and six months ended June 30, 2010, respectively.


The Company attributes revenues to geographic region based on the customer’s ship-to location. The following table shows net revenues by geographic region (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Americas:
 
 
 
 
 
 
 
United States
$
523.9


 
$
439.9


 
$
1,049.9


 
$
886.8


Other
54.8


 
54.3


 
110.4


 
95.9


Total Americas
578.7


 
494.2


 
1,160.3


 
982.7


Europe, Middle East, and Africa
329.0


 
289.5


 
629.0


 
553.6


Asia Pacific
212.8


 
194.6


 
432.9


 
354.6


Total
$
1,120.5


 
$
978.3


 
$
2,222.2


 
$
1,890.9




During the three and six months ended June 30, 2011, no single customer accounted for 10% or more of net revenues. During the three months ended June 30, 2010, no single customer accounted for 10% or more of net revenues, and during the six months ended June 30, 2010, Verizon accounted for 10.7% of net revenues.


The Company tracks assets by physical location. The majority of the Company’s assets, excluding cash and cash equivalents and investments, as of June 30, 2011, and December 31, 2010, were attributable to U.S. operations. As of June 30, 2011, and December 31, 2010, gross property and equipment held in the U.S., as a percentage of total property and equipment, was approximately 80%. Although management reviews asset information on a corporate level and allocates depreciation expense by segment, the CODM does not review asset information on a se
Note 14 - Income Taxes Level 1 (Notes)
Income Tax [Text Block]
Income Taxes


The Company recorded a tax provision of $41.7 million and $83.0 million for the three and six months ended June 30, 2011, or effective tax rates of 26.5% and 25.3%, respectively. The Company recorded a tax provision of $58.7 million and $55.8 million for the three and six months ended June 30, 2010, or effective tax rates of 31.0% and 16.0%, respectively.


The effective tax rate for the three and six months ended June 30, 2011, differs from the federal statutory rate of 35% primarily due to the federal R&D credit and the benefit of earnings in foreign jurisdictions, which are subject to lower tax rates.
 
The effective tax rate for the three months ended June 30, 2010, differs from the federal statutory rate of 35% primarily
due to the benefit of earnings in foreign jurisdictions, which are subject to lower tax rates. The effective tax rate for the six months ended June 30, 2010, differs from the federal statutory rate of 35% primarily due to a $54.1 million income tax benefit resulting from a change in the Company's estimate of unrecognized tax benefits related to share-based compensation and the benefit of earnings in foreign jurisdictions, which are subject to lower tax rates. The tax benefit for the three and six months ended June 30, 2010 was partially offset by charges for increases in the valuation allowance against the California deferred tax assets of approximately $2.7 million and $5.2 million, respectively.


The gross unrecognized tax benefits increased by approximately $2.2 million for the six months ended June 30, 2011.


The Company is currently under examination by the Internal Revenue Service ("IRS") for the 2004 through 2006 tax years, and the France tax authorities for the 2007 through 2009 tax years. The Company is also subject to two separate ongoing examinations by the India tax authorities for the 2004 tax year and 2004 through 2008 tax years, respectively. Additionally, the Company has not reached a final resolution with the IRS on an adjustment it proposed for the 1999 and 2000 tax years. The Company is not aware of any other income tax examination by taxing authorities in any other major jurisdictions in which it files income tax returns as of June 30, 2011.


In May 2011, as part of the 2005 and 2006 IRS audit, the Company received a proposed adjustment related to its intercompany R&D cost sharing arrangement for the license of intangibles acquired in 2005. In 2009, as part of the 2004 IRS audit, the Company received a similar proposed adjustment related to the license of intangibles acquired in 2004. In December 2008, the Company received a proposed adjustment from the India tax authorities related to the 2004 tax year.


In July 2009, the India tax authorities commenced a separate investigation of the Company's 2004 through 2008 tax returns and are disputing the Company's determination of taxable income due to the cost basis of certain fixed assets. The Company accrued $4.6 million in penalties and interest in 2009 related to this matter. The Company understands that the India tax authorities may issue an initial assessment that is substantially higher than this amount. As a result, in accordance with the administrative and judicial process in India, the Company may be required to make payments that are substantially higher than the amount accrued in order to ultimately settle this issue. The Company strongly believes that any assessment it may receive in excess of the amount accrued would be inconsistent with applicable India tax laws and intends to defend this position vigorously.


The Company is pursuing all available administrative procedures relative to the matters referenced above. The Company believes that it has adequately provided for any reasonably foreseeable outcomes related to these proposed adjustments, and the ultimate resolution of these matters is unlikely to have a material effect on its consolidated financial condition or results of operations; however, there is a possibility that an adverse outcome of these matters could have a material effect on its consolidated financial condition and results of operations. For more information, please see Note 15, Commitments and Contingencies, under the heading “IRS Notices of Proposed Adjustments.”


The Company engages in continuous discussions and negotiations with tax authorities regarding tax matters in various jurisdictions. It is reasonably possible that the balance of the gross unrecognized tax benefits will decrease by approximately $4.7 million within the next twelve months due to lapses of applicable statutes of limitation in multiple jurisdictions that the Company operated in. However, at this time, the Company is unable to make a reasonably reliable estimate of the timing of payments related to the remaining unrecognized tax liabilities due to uncertainties in the timing of tax audit outcomes.


Note 15 - Commitments and Contingencies Level 1 (Notes)
Commitments and Contingencies [Text Block]
Commitments and Contingencies


Commitments


The following table summarizes the Company’s future principal contractual obligations as of June 30, 2011 (in millions):
 
Total
 
2011
 
2012
 
2013
 
2014
 
2015
 
Thereafter
 
Other
Operating leases
$
342.1


 
$
27.7


 
$
51.4


 
$
43.9


 
$
58.1


 
$
48.6


 
$
112.4


 
$
—


Purchase commitments
151.7


 
151.7


 
—


 
—


 
—


 
—


 
—


 
—


Tax liabilities
106.3


 
—


 
—


 
—


 
—


 
—


 
—


 
106.3


Long-term debt
1,000.0


 
—


 
—


 
—


 
—


 
—


 
1,000.0


 
—


Interest payment on long-term debt
900.2


 
27.1


 
46.9


 
46.9


 
46.9


 
46.9


 
685.5


 
—


Other contractual obligations
83.9


 
65.6


 
8.5


 
4.8


 
3.0


 
2.0


 
—


 
—


Total
$
2,584.2


 
$
272.1


 
$
106.8


 
$
95.6


 
$
108.0


 
$
97.5


 
$
1,797.9


 
$
106.3






Operating Leases


The Company leases its facilities under operating leases that expire at various times, the longest of which expires on November 22, 2022. Future minimum payments under the non-cancelable operating leases totaled $342.1 million as of June 30, 2011. Rent expense was $17.8 million and $32.6 million for the three and six months ended June 30, 2011, respectively, and $13.7 million and $27.8 million for the three and six months ended June 30, 2010, respectively.


Purchase Commitments


In order to reduce manufacturing lead times and ensure adequate component supply, contract manufacturers utilized by the Company place non-cancelable, non-returnable (“NCNR”) orders for components based on the Company’s build forecasts. As of June 30, 2011, there were NCNR component orders placed by the contract manufacturers with a value of $151.7 million. The contract manufacturers use the components to build products based on the Company’s forecasts and customer purchase orders received by the Company. Generally, the Company does not own the components and title to the products transfers from the contract manufacturers to the Company and immediately to the Company’s customers upon delivery at a designated shipment location. If the components remain unused or the products remain unsold for specified periods, the Company may incur carrying charges or obsolete materials charges for components that the contract manufacturers purchased to build products to meet the Company’s forecast or customer orders. As of June 30, 2011, the Company had accrued $12.9 million based on its estimate of such charges.


Tax Liabilities


As of June 30, 2011, the Company had $106.3 million included in long-term liabilities in the condensed consolidated balance sheet for unrecognized tax positions. At this time, the Company is unable to make a reasonably reliable estimate of the timing of payments related to the additional $106.3 million in liability due to uncertainties in the timing of tax audit outcomes.


Long-Term Debt and Interest Payment on Long-Term Debt


As of June 30, 2011, the Company held long-term debt with a carrying value of $999.0 million. Of these notes, $300.0 million will mature in 2016 and bears interest at a fixed rate of 3.10%, $300.0 million will mature in 2021 and bears interest at a fixed rate of 4.60%, and $400.0 million will mature in 2041 and bears interest at 5.95%. Interest on the notes is payable semiannually. See Note 9, Financing, for further discussion of the Company's long-term debt.


Other Contractual Obligations


As of June 30, 2011, other contractual obligations primarily consisted of $39.3 million in indemnity-related and service related escrows, required by certain acquisitions completed in 2005 and 2010, and other miscellaneous commitments.


Guarantees


The Company enters into agreements with customers that contain indemnification provisions relating to potential situations where claims could be alleged that the Company’s products infringe the intellectual property rights of a third-party. Other guarantees or indemnification arrangements include guarantees of product and service performance, guarantees related to third-party customer-financing arrangements, and standby letters of credit for certain lease facilities. As of June 30, 2011, and December 31, 2010, the Company had $23.2 million and $21.6 million, respectively, in guarantees and standby letters of credit.


Legal Proceedings


From time to time, the Company is involved in disputes, litigation, and other legal actions, including the matters described below. The Company is aggressively defending its current litigation matters, however, the outcome of these matters is currently not determinable. There are many uncertainties associated with any litigation, and these actions or other third-party claims against the Company may cause the Company to incur costly litigation and/or substantial settlement charges. In addition, the resolution of any future intellectual property litigation may require the Company to make royalty payments, which could adversely affect gross margins in future periods. If any of those events were to occur, the Company's business, financial condition, results of operations, and cash flows could be adversely affected. The actual liability in any such matters may be materially different from the Company's estimates, which could result in the need to adjust the liability and record additional expenses.


IPO Allocation Case


In December 2001, a class action complaint was filed in the United States District Court for the Southern District of New York against the Goldman Sachs Group, Inc., Credit Suisse First Boston Corporation, FleetBoston Robertson Stephens, Inc., Royal Bank of Canada (Dain Rauscher Wessels), SG Cowen Securities Corporation, UBS Warburg LLC (Warburg Dillon Read LLC), Chase (Hambrecht & Quist LLC), J.P. Morgan Chase & Co., Lehman Brothers, Inc., Salomon Smith Barney, Inc., Merrill Lynch, Pierce, Fenner & Smith, Incorporated (collectively, the “Underwriters”), Juniper Networks and certain of Juniper Networks' officers. This action was brought on behalf of purchasers of the Company's common stock in its initial public offering in June 1999 and the Company's secondary offering in September 1999. Specifically, among other things, this complaint alleged that the prospectus pursuant to which shares of common stock were sold in the Company's initial public offering and the Company's subsequent secondary offering contained certain false and misleading statements or omissions regarding the practices of the Underwriters with respect to their allocation of shares of common stock in these offerings and their receipt of commissions from customers related to such allocations. Various plaintiffs have filed actions asserting similar allegations concerning the initial public offerings of approximately 300 other issuers. These various cases pending in the Southern District of New York have been coordinated for pretrial proceedings as In re Initial Public Offering Securities Litigation, 21 MC 92. In April 2002, the plaintiffs filed a consolidated amended complaint in the action against the Company, alleging violations of the Securities Act of 1933 and the Securities Exchange Act of 1934. The defendants in the coordinated proceeding filed motions to dismiss. On February 19, 2003, the Court granted in part and denied in part the motion to dismiss, but declined to dismiss the claims against the Company.
 
The parties have reached a global settlement of the litigation. Under the settlement, the insurers are to pay the full amount of settlement share allocated to the Company, and the Company will bear no financial liability. The Company and other defendants will receive complete dismissals from the case. In October 2009, the Court entered an Opinion and Order granting final approval of the settlement. Certain objectors appealed. A number of the appeals have been dismissed. In May 2011, the appellate court issued an order remanding the remaining appeals to the district court for additional determinations.


IRS Notices of Proposed Adjustments


In May 2011, as a result of its audit of the Company's U.S. federal income tax returns for the 2005 and 2006 fiscal years, the IRS issued a Preliminary Notice of Deficiency (“PNOD”) regarding the Company's transfer pricing transactions under its intercompany R&D cost sharing arrangement related to the license of intangibles acquired in 2005. The asserted changes would affect the Company's income tax liabilities for tax years subsequent to 2005. Because of the PNOD, the estimated incremental tax liabilities for all relative tax years would be approximately $92.0 million, excluding interest and penalties. The Company has filed a protest to the proposed deficiency with the IRS.


In 2009, the Company received a PNOD from the IRS claiming that the Company owes additional taxes, plus interest and possible penalties, for the 2004 tax year based on a transfer pricing transaction related to the license of acquired intangibles under an intercompany R&D cost sharing arrangement. The asserted changes to the Company's 2004 tax year would affect the Company's income tax liabilities in tax years subsequent to 2003. Because of the PNOD, the estimated incremental tax liability would be approximately $807 million, excluding interest and penalties. The Company has filed a protest to the proposed deficiency with the IRS, which has been referred to the Appeals Division of the IRS. An Appeals conference has been scheduled.


The Company strongly believes the IRS' position with regard to transfer pricing transactions for the Company's 2004 through 2006 fiscal years are inconsistent with applicable tax laws, judicial precedent and existing Treasury regulations, and that the Company's previously reported income tax provisions for the years in question are appropriate. However, there can be no assurance that these matters will be resolved in the Company's favor. Regardless of whether these matters are resolved in the Company's favor, the final resolution of these matters could be expensive and time-consuming to defend and/or settle. While the Company believes it has provided adequately for these matters, there is still a possibility that an adverse outcome from these matters could have a material effect on its results of operations and financial condition.
 
In September 2008, as part of its ongoing audit of the U.S. federal income tax return for the 2004 fiscal year, the IRS issued a Notice of Proposed Adjustment (“NOPA”) regarding the Company's business credits. The Company believes that it has adequately provided for any reasonable foreseeable outcome related to this proposed adjustment.


The Company has not reached a final resolution with the IRS on an adjustment the IRS proposed for the 1999 and 2000 tax years. The Company is also under routine examination by certain state and non-U.S. tax authorities. The Company believes that it has adequately provided for any reasonably foreseeable outcome related to these audits.
Note 16 - Subsequent Events Level 1 (Notes)
Subsequent Events [Text Block]
Subsequent Events


Stock Repurchases


Subsequent to June 30, 2011, through the filing of this report, the Company repurchased and retired approximately 2.8 million shares of its common stock for approximately $66.0 million under its 2010 Stock Repurchase program at an average purchase price of $23.16 per share. The Company's 2010 Stock Repurchase Program had remaining authorized funds of $338.8 million as of the report filing date. The amount and timing of purchases under the Company's 2010 Stock Repurchase Program depend on various circumstances and will be made from time to time, as advisable under the circumstances, and as permitted by securities laws and other legal requirements. This program may be discontinued at any time.
Note 2 - Summary of Significant Accounting Policies Level 2 (Policies)
New Accounting Pronouncement or Change in Accounting Principle, Description
Recent Accounting Pronouncements


In June 2011, the FASB issued ASU No. 2011-05, Topic 220 - Presentation of Comprehensive Income (“ASU 2011-05”), which requires an entity to present total comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements and eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders' equity. This guidance is effective for fiscal years and interim periods, beginning after December 15, 2011. The Company's adoption of ASU 2011-05 will not have an impact on its consolidated results of operations or financial condition.


In May 2011, the FASB issued ASU No. 2011-04, Topic 820 - Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs (“ASU 2011-04”), which amends current fair value measurement and disclosure guidance to converge with International Financial Reporting Standards ("IFRS") and provides increased transparency around valuation inputs and investment categorization. This guidance is effective for fiscal years and interim periods, beginning after December 15, 2011. Early application by public companies is not permitted. The Company's adoption of ASU 2011-04 is not expected to have an impact on its consolidated results of operations or financial condition.


Note 3 - Business Combination Level 3 (Tables)
Schedule of Purchase Price Allocation [Table Text Block] 
Total purchase consideration for these acquisitions was allocated as follows (in millions):
 
 
2011 Acquisitions
Net tangible assets acquired
$
1.7


Intangible assets acquired
28.4


Goodwill
0.4


    Total
$
30.5


Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] 
The following table presents details of the intangible assets acquired through the business combinations completed in the first quarter of 2011 (in millions, except years):
 
 
2011 Acquisitions
 
Estimated Useful Life (In Years)
Amount
Existing or Core technology
10
$
21.9


Support agreements and related relationships
4
5.1


Patents
5
1.4


Total
 
$
28.4


Note 4 - Net Income per Share Level 3 (Tables)
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]
The following table presents the calculation of basic and diluted net income per share attributable to Juniper Networks common stockholders (in millions, except per share amounts):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Numerator:
 
 
 
 
 
 
 
Net income attributable to Juniper Networks
$
115.6


 
$
130.5


 
$
245.3


 
$
293.6


Denominator:
 
 
 
 
 
 
 
Weighted-average shares used to compute basic net income per share
532.9


 
524.5


 
531.8


 
522.8


Effect of dilutive securities:
 
 
 
 
 
 
 
Employee stock awards
13.6


 
14.4


 
15.9


 
15.2


Weighted-average shares used to compute diluted net income per share
546.5


 
538.9


 
547.7


 
538.0


Net income per share attributable to Juniper Networks common stockholders:
 
 
 
 
 
 
 
Basic
$
0.22


 
$
0.25


 
$
0.46


 
$
0.56


Diluted
$
0.21


 
$
0.24


 
$
0.45


 
$
0.55


Note 5 - Cash, Cash Equivalents and Investments Level 3 (Tables)
Cash and cash equivalents [Table Text Block] 
The following table summarizes the Company's cash and cash equivalents (in millions):


 
As of
 
June 30,

2011
 
December 31,

2010
Cash:
 
 
 
Demand deposits
$
531.6


 
$
413.0


Time deposits
551.0


 
273.3


Total cash
1,082.6


 
686.3


Cash equivalents:
 
 
 
U.S. government securities
—


 
76.7


Government-sponsored enterprise obligations
21.0


 
5.0


Commercial paper
—


 
4.0


Money market funds
1,734.5


 
1,039.9


Total cash equivalents
1,755.5


 
1,125.6


Total cash and cash equivalents
$
2,838.1


 
$
1,811.9


Unrealized gains and losses, and fair value of available-for-sale and trading securities [Text Block] 
The following table summarizes the Company's unrealized gains and losses, and fair value of investments designated as available-for-sale and trading securities, as of June 30, 2011, and December 31, 2010 (in millions):


 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
As of June 30, 2011:
 
 
 
 
 
 
 
Fixed income securities:
 
 
 
 
 
 
 
U.S. government securities
$
395.2


 
$
0.1


 
$
—


 
$
395.3


Government-sponsored enterprise obligations
327.0


 
0.4


 
(0.1
)
 
327.3


Foreign government debt securities
10.0


 
0.1


 
—


 
10.1


Certificates of deposit
44.3


 
—


 
—


 
44.3


Commercial paper
16.0


 
—


 
—


 
16.0


Asset-backed securities
110.8


 
0.1


 
—


 
110.9


Corporate debt securities
466.1


 
1.2


 
(0.1
)
 
467.2


Total fixed income securities
1,369.4


 
1.9


 
(0.2
)
 
1,371.1


Total available-for-sale securities
1,369.4


 
1.9


 
(0.2
)
 
1,371.1


Trading securities (1)
11.3
 
—


 
—


 
11.3


Total
$
1,380.7


 
$
1.9


 
$
(0.2
)
 
$
1,382.4


 
 
 
 
 
 
 
 
Reported as:
 
 
 
 
 
 
 
Short-term investments
$
631.4


 
$
0.4


 
$
—


 
$
631.8


Long-term investments
749.3


 
1.5


 
(0.2
)
 
750.6


Total
$
1,380.7


 
$
1.9


 
$
(0.2
)
 
$
1,382.4


________________________________
(1)
Balance includes the Company's non-qualified deferred compensation plan assets. For additional information, see Note 12, Employee Benefits, under the section Deferred Compensation Plan.


 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
As of December 31, 2010:
 
 
 
 
 
 
 
Fixed income securities:
 
 
 
 
 
 
 
U.S. government securities
$
158.2


 
$
0.2


 
$
—


 
$
158.4


Government-sponsored enterprise obligations
213.8


 
0.4


 
(0.2
)
 
214.0


Foreign government debt securities
46.8


 
0.2


 
—


 
47.0


Certificates of deposit
20.9


 
0.1


 
—


 
21.0


Commercial paper
9.5


 
—


 
—


 
9.5


Asset-backed securities
90.1


 
—


 
(0.1
)
 
90.0


Corporate debt securities
459.7


 
2.2


 
(0.2
)
 
461.7


Total fixed income securities
999.0


 
3.1


 
(0.5
)
 
1,001.6


Total available-for-sale securities
999.0


 
3.1


 
(0.5
)
 
1,001.6


Trading securities (1)
8.1


 
—


 
—


 
8.1


Total
$
1,007.1


 
$
3.1


 
$
(0.5
)
 
$
1,009.7


 
 
 
 
 
 
 
 
Reported as:
 
 
 
 
 
 
 
Short-term investments
$
473.6


 
$
0.9


 
$
—


 
$
474.5


Long-term investments
533.5


 
2.2


 
(0.5
)
 
535.2


Total
$
1,007.1


 
$
3.1


 
$
(0.5
)
 
$
1,009.7


________________________________
(1)
Balance includes the Company's non-qualified deferred compensation plan assets. For additional information, see Note 12, Employee Benefits, under the section Deferred Compensation Plan.
Maturities of available-for-sale investments and publicly-traded securities [Text Block] 
The following table presents the maturities of the Company's available-for-sale and trading securities, as of June 30, 2011 (in millions):


 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
Due within one year
$
620.1


 
$
0.4


 
$
—


 
$
620.5


Due between one and five years
749.3


 
1.5


 
(0.2
)
 
750.6


No contractual maturity
11.3


 
—


 
—


 
11.3


Total
$
1,380.7


 
$
1.9


 
$
(0.2
)
 
$
1,382.4


Trading and available-for-sale investments in an unrealized loss position [Text Block] 
The following tables present the Company's trading and available-for sale investments that are in an unrealized loss position as of June 30, 2011, and December 31, 2010 (in millions):


 
Less than 12 Months
 
Total (2)
 
Fair Value
 
Unrealized Loss
 
Fair Value
 
Unrealized Loss
As of June 30, 2011
 
 
 
 
 
 
 
Corporate debt securities
$
100.6


 
$
(0.1
)
 
$
100.6


 
$
(0.1
)
U.S. government securities (1)
130.5


 
—


 
130.5


 
—


Government-sponsored enterprise obligations
153.7


 
(0.1
)
 
153.7


 
(0.1
)
Asset-backed securities (1)
47.8


 
—


 
47.8


 
—


Total
$
432.6


 
$
(0.2
)
 
$
432.6


 
$
(0.2
)
________________________________
(1)
Balance includes investments that were in an immaterial unrealized loss position as of June 30, 2011.
(2)
No investments were in an unrealized loss position for greater than 12 months as of June 30, 2011.
 
Less than 12 Months 
 
12 Months or Greater 
 
Total 
 
Fair Value 
 
Unrealized Loss 
 
Fair Value 
 
Unrealized Loss 
 
Fair Value 
 
Unrealized Loss 
As of December 31, 2010
 
 
 
 
 
 
 
 
 
 
 
Corporate debt securities (1)
$
104.3


 
$
(0.2
)
 
$
28.8


 
$
—


 
$
133.1


 
$
(0.2
)
Government-sponsored enterprise obligations
57.8


 
(0.2
)
 
—


 
—


 
57.8


 
(0.2
)
Foreign government debt securities (1)
—


 
—


 
6.2


 
—


 
6.2


 
—


Commercial paper (1)
5.0


 
—


 
—


 
—


 
5.0


 
—


Asset-backed securities
54.7


 
(0.1
)
 
—


 
—


 
54.7


 
(0.1
)
Total
$
221.8


 
$
(0.5
)
 
$
35.0


 
$
—


 
$
256.8


 
$
(0.5
)
 ________________________________
(1)
Balance includes investments that were in an immaterial unrealized loss position as of December 31, 2010.
Restricted cash and investments [Text Block] 
The following table summarizes the Company's cash and investments that are classified as restricted cash in the condensed consolidated balance sheets (in millions):
 
As of
 
June 30,

2011
 
December 31,

2010
Restricted cash:
 
 
 
Demand deposits
$
1.3


 
$
1.7


Total restricted cash
1.3


 
1.7


Restricted investments:
 
 
 
U.S. government securities
—


 
0.6


Corporate debt securities
2.1


 
2.7


Mutual funds
1.1


 
—


Money market funds
88.7


 
114.3


Total restricted investments
91.9


 
117.6


Total restricted cash and investments
$
93.2


 
$
119.3


Note 6 - Fair Value Measurements Level 3 (Tables)
Assets measured at fair value on a recurring basis [Text Block] 
The following tables provide a summary of assets measured at fair value on a recurring basis and as reported in the condensed consolidated balance sheets (in millions):


 
Fair Value Measurements at June 30, 2011 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Available-for-sale debt securities:
 
 
 
 
 
 
 
U.S. government securities
$
150.1


 
$
245.2


 
$
—


 
$
395.3


Government-sponsored enterprise obligations
270.8


 
77.5


 
—


 
348.3


Foreign government debt securities
—


 
10.1


 
—


 
10.1


Commercial paper
—


 
16.0


 
—


 
16.0


Corporate debt securities (1)
—


 
469.3


 
—


 
469.3


Certificate of deposit
—


 
44.3


 
—


 
44.3


Asset-backed securities
—


 
110.9


 
—


 
110.9


Money market funds (2)
1,823.2


 
—


 
—


 
1,823.2


Total available-for-sale debt securities
2,244.1


 
973.3


 
—


 
3,217.4


Total available-for-sale securities
2,244.1


 
973.3


 
—


 
3,217.4


Trading securities:
 
 
 
 
 
 
 
Mutual funds (3)
12.4


 
—


 
—


 
12.4


Total trading securities
12.4


 
—


 
—


 
12.4


Derivative assets:
 
 
 
 
 
 
 
Foreign exchange contracts
—


 
2.3


 
—


 
2.3


Total derivative assets
—


 
2.3


 
—


 
2.3


Total assets measured at fair value
$
2,256.5


 
$
975.6


 
$
—


 
$
3,232.1


________________________________
(1)
Balance includes $2.1 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.
(2)
Balance includes $88.7 million of restricted investments measured at fair market value, related to the Company's D&O trust.
(3)
Balance includes $1.1 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.
 
Fair Value Measurements at December 31, 2010 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Available-for-sale debt securities:
 
 
 
 
 
 
 
U.S. government securities (1)
$
54.9


 
$
180.8


 
$
—


 
$
235.7


Government-sponsored enterprise obligations
208.9


 
10.1


 
—


 
219.0


Foreign government debt securities
21.0


 
26.0


 
—


 
47.0


Commercial paper
—


 
13.5


 
—


 
13.5


Corporate debt securities (2)
2.7


 
461.7


 
—


 
464.4


Certificate of deposit
—


 
21.0


 
—


 
21.0


Asset-backed securities
—


 
90.0


 
—


 
90.0


Money market funds (3)
1,154.2


 
—


 
—


 
1,154.2


Total available-for-sale debt securities
1,441.7


 
803.1


 
—


 
2,244.8


Total available-for-sale securities
1,441.7


 
803.1


 
—


 
2,244.8


Trading securities:
 
 
 
 
 
 
 
Mutual funds
8.1


 
—


 
—


 
8.1


Total trading securities
8.1


 
—


 
—


 
8.1


Derivative assets:
 
 
 
 
 
 
 
Foreign exchange contracts
—


 
0.4


 
—


 
0.4


Total derivative assets
—


 
0.4


 
—


 
0.4


Total assets measured at fair value
$
1,449.8


 
$
803.5


 
$
—


 
$
2,253.3


________________________________
(1)
Balance includes $0.6 million of restricted investments measured at fair market value, related to an acquisition completed in 2005. For additional information regarding the Company's restricted investments, see Note 5, Cash, Cash Equivalents, and Investments, under the heading “Restricted Cash.” Restricted investments are included in the restricted cash balance in the condensed consolidated balance sheet.
(2)
Balance includes $2.7 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.
(3)
Balance includes $114.3 million of restricted investments measured at fair market value, related to the Company's D&O trust.
Fair Value, by Balance Sheet Grouping [Text Block] 
 
Fair Value Measurements at December 31, 2010 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Reported as:
 
 
 
 
 
 
 
Cash equivalents
$
1,039.9


 
$
85.7


 
$
—


 
$
1,125.6


Short-term investments
150.7


 
323.8


 
—


 
474.5


Long-term investments
142.2


 
393.0


 
—


 
535.2


Restricted cash
117.0


 
0.6


 
—


 
117.6


Prepaid expenses and other current assets
—


 
0.4


 
—


 
0.4


Total assets measured at fair value
$
1,449.8


 
$
803.5


 
$
—


 
$
2,253.3


 
Fair Value Measurements at June 30, 2011 Using
 
 
 
Quoted Prices in Active Markets For Identical Assets
 
Significant Other Observable Remaining Inputs
 
Significant Other Unobservable Remaining Inputs
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
Reported as:
 
 
 
 
 
 
 
Cash equivalents
$
1,734.5


 
$
21.0


 
$
—


 
$
1,755.5


Short-term investments
139.6


 
492.2


 
—


 
631.8


Long-term investments
292.6


 
458.0


 
—


 
750.6


Restricted cash
89.8


 
2.1


 
—


 
91.9


Prepaid expenses and other current assets
—


 
2.3


 
—


 
2.3


Total assets measured at fair value
$
2,256.5


 
$
975.6


 
$
—


 
$
3,232.1


Note 7 - Goodwill and Purchased Intangible Assets Level 3 (Tables)
Goodwill by segment [Text Block] 
The following table summarizes the Company's goodwill activities by segment in the six months ended June 30, 2011 (in millions):


 
Infrastructure
 
SLT
 
Total
Balance as of January 1, 2011
 
 
 
 
 
Goodwill
$
1,643.4


 
$
3,564.4


 
$
5,207.8


Accumulated impairment losses
—


 
(1,280.0
)
 
(1,280.0
)
Carrying value at January 1, 2011
1,643.4


 
2,284.4


 
3,927.8


Adjustments to goodwill
(0.3
)
 
—


 
(0.3
)
Goodwill acquired during the six months ended June 30, 2011
0.4


 
—


 
0.4


Balance as of June 30, 2011
 
 
 
 
 
Goodwill
1,643.5


 
3,564.4


 
5,207.9


Accumulated impairment losses
—


 
(1,280.0
)
 
(1,280.0
)
Carrying value at June 30, 2011
$
1,643.5


 
$
2,284.4


 
$
3,927.9


Schedule of finite-lived and indefinite-lived intangible assets by major class [Text Block] 
the Company’s purchased intangible assets were as follows (in millions):


 
Gross
 
Accumulated Amortization
 
Net
As of June 30, 2011:
 
 
 
 
 
Intangible assets with finite lives:
 
 
 
 
 
Technologies and patents
$
494.4


 
$
(392.6
)
 
$
101.8


Other
91.5


 
(64.5
)
 
27.0


Total intangible assets with finite lives
585.9


 
(457.1
)
 
128.8


IPR&D with indefinite lives
7.9


 
—


 
7.9


Total purchased intangible assets
$
593.8


 
$
(457.1
)
 
$
136.7


 
 
 
 
 
 
As of December 31, 2010:
 
 
 
 
 
Intangible assets with finite lives:
 
 
 
 
 
Technologies and patents
$
471.1


 
$
(381.4
)
 
$
89.7


Other
86.4


 
(62.2
)
 
24.2


Total intangible assets with finite lives
557.5


 
(443.6
)
 
113.9


IPR&D with indefinite lives
7.9


 
—


 
7.9


Total purchased intangible assets
$
565.4


 
$
(443.6
)
 
$
121.8


Estimated future amortization expense of purchased intangible assets with definite lives [Text Block] 


The estimated future amortization expense of purchased intangible assets with finite lives is as follows (in millions):


Years Ending December 31,
 
Amount
2011 (remaining six months)
 
$
13.3


2012
 
26.4


2013
 
26.1


2014
 
24.3


2015
 
19.3


Thereafter
 
19.4


Total
 
$
128.8




Note 8 - Other Financial Information Level 3 (Tables)
Warranties [Table Text Block] 
Changes in the Company’s warranty reserve were as follows (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Beginning balance
$
38.3


 
$
37.8


 
$
35.9


 
$
38.2


Provisions made during the period, net
12.4


 
12.1


 
27.7


 
24.2


Change in estimate
(2.1
)
 
(0.1
)
 
(2.9
)
 
(0.6
)
Actual costs incurred during the period
(10.5
)
 
(11.5
)
 
(22.6
)
 
(23.5
)
Ending balance
$
38.1


 
$
38.3


 
$
38.1


 
$
38.3


Deferred revenue [Table Text Block] 
Details of the Company's deferred revenue were as follows (in millions):
 
As of
 
June 30,

2011
 
December 31,

2010
Deferred product revenue:
 
 
 
Undelivered product commitments and other product deferrals
$
288.7


 
$
294.1


Distributor inventory and other sell-through items
138.6


 
143.4


Deferred gross product revenue
427.3


 
437.5


Deferred cost of product revenue
(134.8
)
 
(148.8
)
Deferred product revenue, net
292.5


 
288.7


Deferred service revenue
637.7


 
595.7


Total
$
930.2


 
$
884.4


Reported as:
 
 
 
Current
$
707.4


 
$
660.2


Long-term
222.8


 
224.2


Total
$
930.2


 
$
884.4


Changes in restructuring liability [Table Text Block] 
The following table provides a summary of changes in the Company’s restructuring liability (in millions):


 
Remaining Liability as of
December 31, 2010
 
Charges
 
Cash payments
 
Adjustments
 
Remaining Liability as of
June 30, 2011
Facilities
$
7.7


 
$
—


 
$
(4.9
)
 
$
(1.3
)
 
$
1.5


Severance, contractual commitments, and other charges
0.2


 
—


 
—


 
—


 
0.2


Total
$
7.9


 
$
—


 
$
(4.9
)
 
$
(1.3
)
 
$
1.7


Interest and other income, net [Table Text Block] 
Other expense and income, net, consists of the following (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Interest income
$
2.6


 
$
2.7


 
$
5.0


 
$
5.1


Interest expense
(15.2
)
 
(2.0
)
 
(21.6
)
 
(3.6
)
Other
(1.1
)
 
3.4


 
(3.5
)
 
4.0


Other (expense) income, net
$
(13.7
)
 
$
4.1


 
$
(20.1
)
 
$
5.5


Note 9 - Financing Level 3 (Tables)
Long-term Debt [Text Block]
The following table summarizes the Company's long-term debt (in millions, except percentages):


 
As of
 
June 30, 2011
 
Amount
 
Effective Interest Rate
Senior notes:
 
 
 
3.10% fixed-rate notes, due 2016
$
300.0


 
3.12
%
4.60% fixed-rate notes, due 2021
300.0


 
4.63
%
5.95% fixed-rate notes, due 2041
400.0


 
6.01
%
Total senior notes
1,000.0


 
 
Unaccreted discount
(1.0
)
 
 
Total
$
999.0


 
 


Note 10 - Derivative Instruments Level 3 (Tables)
Schedule of Derivative Instruments [Table Text Block]
The notional amount of Company's foreign currency derivatives are summarized as follows (in millions):
 
As of
 
June 30,

2011
 
December 31,

2010
Cash flow hedges
$
139.1


 
$
110.4


Non-designated hedges
151.1


 
74.4


     Total
$
290.2


 
$
184.8


Note 11 - Equity Level 3 (Tables)
Comprehensive Income (Loss) Note [Text Block] 
Comprehensive income attributable to Juniper Networks consists of the following (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Consolidated net income
$
115.5


 
$
130.3


 
$
245.2


 
$
295.0


Other comprehensive income (loss), net of tax:
 
 
 
 
 
 
 
Change in unrealized (loss) gain on investments, net of tax of nil
(1.5
)
 
(1.3
)
 
2.9


 
(1.7
)
Change in foreign currency translation adjustment, net of tax of nil
2.6


 
(4.8
)
 
9.2


 
(7.5
)
Total other comprehensive income (loss), net of tax
1.1


 
(6.1
)
 
12.1


 
(9.2
)
Consolidated comprehensive income
116.6


 
124.2


 
257.3


 
285.8


Adjust for comprehensive loss (income) attributable to noncontrolling interest, net of tax
0.1


 
0.2


 
0.1


 
(1.3
)
Comprehensive income attributable to Juniper Networks
$
116.7


 
$
124.4


 
$
257.4


 
$
284.5


Summary of stockholders' equity [Text Block] 
The following table summarizes equity activity for the three and six months ended June 30, 2011 (in millions):


 
Common Stock
& Additional
Paid-in-Capital
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Accumulated
Deficit
 
Non-
controlling
Interest
 
Total
Equity
Balance at December 31, 2010
$
9,717.8


 
$
(1.3
)
 
$
(3,108.3
)
 
$
0.6


 
$
6,608.8


Consolidated net income
—


 
—


 
129.8


 
(0.1
)
 
129.7


Change in unrealized gain on investments, net of tax of nil
—


 
4.4


 
—


 
—


 
4.4


Change in foreign currency translation adjustment, net of tax of nil
—


 
6.6


 
—


 
—


 
6.6


Issuance of shares in connection with Employee Stock Purchase Plan
23.7


 
—


 
—


 
—


 
23.7


Exercise of stock options by employees
241.7


 
—


 
—


 
—


 
241.7


Repurchase and retirement of common stock
(70.3
)
 
—


 
(129.9
)
 
—


 
(200.2
)
Repurchases related to net issuances
(1.8
)
 
—


 
(3.1
)
 
—


 
(4.9
)
Share-based compensation expense
47.6


 
—


 
—


 
—


 
47.6


Adjustment related to tax benefit from employee stock option plans
39.4


 
—


 
—


 
—


 
39.4


Balance at March 31, 2011
9,998.1


 
9.7


 
(3,111.5
)
 
0.5


 
6,896.8


Consolidated net income
—


 
—


 
115.6


 
(0.1
)
 
115.5


Change in unrealized loss on investments, net of tax of nil
—


 
(1.5
)
 
—


 
—


 
(1.5
)
Change in foreign currency translation adjustment, net of tax of nil
—


 
2.6


 
—


 
—


 
2.6


Exercise of stock options by employees
37.9


 
—


 
—


 
—


 
37.9


Repurchase and retirement of common stock
(55.2
)
 
—


 
(94.8
)
 
—


 
(150.0
)
Share-based compensation expense
58.6


 
—


 
—


 
—


 
58.6


Adjustment related to tax benefit from employee stock option plans
2.0


 
—


 
—


 
—


 
2.0


Balance at June 30, 2011
$
10,041.4


 
$
10.8


 
$
(3,090.7
)
 
$
0.4


 
$
6,961.9




The following table summarizes equity activity for the three and six months ended June 30, 2010 (in millions):


 
Common Stock
& Additional
Paid-in-Capital
 
Accumulated
Other
Comprehensive Income (Loss)
 
Accumulated
Deficit
 
Non-
controlling
Interest
 
Total
Equity
Balance at December 31, 2009
$
9,060.1


 
$
(1.4
)
 
$
(3,236.5
)
 
$
2.6


 
$
5,824.8


Consolidated net income
—


 
—


 
163.1


 
1.5


 
164.6


Change in unrealized loss on investments, net of tax of nil
—


 
(0.4
)
 
—


 
—


 
(0.4
)
Change in foreign currency translation adjustment, net of tax of nil
—


 
(2.7
)
 
—


 
—


 
(2.7
)
Issuance of shares in connection with Employee Stock Purchase Plan
20.8


 
—


 
—


 
—


 
20.8


Exercise of stock options by employees
101.2


 
—


 
—


 
—


 
101.2


Return of capital to noncontrolling interest
—


 
—


 
—


 
(2.0
)
 
(2.0
)
Repurchase and retirement of common stock
(5.7
)
 
—


 
(68.7
)
 
—


 
(74.4
)
Repurchases related to net issuances
—


 
—


 
(1.8
)
 
—


 
(1.8
)
Share-based compensation expense
40.6


 
—


 
—


 
—


 
40.6


Adjustment related to tax benefit from employee stock option plans
50.6


 
—


 
—


 
—


 
50.6


Balance at March 31, 2010
9,267.6


 
(4.5
)
 
(3,143.9
)
 
2.1


 
6,121.3


Consolidated net income
—


 
—


 
130.5


 
(0.2
)
 
130.3


Change in unrealized loss on investments, net of tax of nil
—


 
(1.3
)
 
—


 
—


 
(1.3
)
Change in foreign currency translation adjustment, net of tax of nil
—


 
(4.8
)
 
—


 
—


 
(4.8
)
Exercise of stock options by employees
53.7


 
—


 
—


 
—


 
53.7


Return of capital to noncontrolling interest
—


 
—


 
—


 
(1.0
)
 
(1.0
)
Shares assumed in connection with business acquisition
2.3


 
—


 
—


 
—


 
2.3


Repurchase and retirement of common stock
(9.1
)
 
—


 
(168.3
)
 
—


 
(177.4
)
Share-based compensation expense
43.3


 
—


 
—


 
—


 
43.3


Adjustment related to tax benefit from employee stock option plans
5.4


 
—


 
—


 
—


 
5.4


Balance at June 30, 2010
$
9,363.2


 
$
(10.6
)
 
$
(3,181.7
)
 
$
0.9


 
$
6,171.8


Note 12 - Employee Benefit Plans Level 3 (Tables)
Schedule of Share-based Compensation, Stock Options, Activity [Text Block] 
The following table summarizes the Company’s stock option activity and related information as of and for the six months ended June 30, 2011 (in millions, except for per share amounts and years):


 
Outstanding Options
 
Number of Shares
 
Weighted Average
Exercise Price per Share
 
Weighted Average Remaining Contractual Term (In Years)
 
Aggregate Intrinsic Value
Balance at January 1, 2011
49.4


 
$
21.90


 
 
 
 
Options granted
4.5


 
41.10


 
 
 
 
Options canceled
(1.0
)
 
25.17


 
 
 
 
Options exercised
(13.0
)
 
21.52


 
 
 
 
Options expired
(0.2
)
 
48.40


 
 
 
 
Balance at June 30, 2011
39.7


 
$
23.98


 
4.2


 
$
345.0


 
 
 
 
 
 
 
 
As of June 30, 2011:
 
 
 
 
 
 
 
Vested or expected-to-vest options
37.3


 
$
23.52


 
4.1


 
$
334.6


Exercisable options
24.0


 
$
21.05


 
3.3


 
$
253.0






Schedule of Nonvested Share Activity [Table Text Block] 


The following table summarizes the Company’s RSU and PSA activity and related information as of and for the six months ended June 30, 2011 (in millions, except per share amounts and years):


 
Outstanding RSUs and PSAs
 
Number of Shares
 
Weighted Average Grant-Date Fair Value per Share
 
Weighted Average Remaining Contractual Term (In Years)
 
Aggregate Intrinsic Value
Balance at January 1, 2011
14.2


 
$
25.94


 
 
 
 
RSUs granted
4.2


 
39.76


 
 
 
 
PSAs granted (1)
3.8


 
41.13


 
 
 
 
RSUs vested
(1.3
)
 
22.50


 
 
 
 
PSAs vested
(0.6
)
 
25.45


 
 
 
 
RSUs canceled
(0.3
)
 
29.56


 
 
 
 
     PSAs canceled
(0.7
)
 
27.41


 
 
 
 
Balance at June 30, 2011:
19.3


 
$
32.04


 
1.9


 
$
616.1


 
 
 
 
 
 
 
 
As of June 30, 2011:
 
 
 
 
 
 
 
Vested and expected-to-vest RSUs and PSAs
16.4


 
$
31.60


 
1.8


 
$
516.0


________________________________
(1)
The number of shares subject to PSAs granted represents the aggregate maximum number of shares that may be issued pursuant to the award over its full term. The aggregate number of shares subject to these PSAs that would be issued if performance goals determined by the Compensation Committee are achieved at target is 1.8 million shares. Depending on achievement of such performance goals, the range of shares that could be issued under these awards is 0 to 3.8 million shares
Shares available for grant [Text Block] 


The following table presents the stock grant activity and the total number of shares available for grant under the 2006 Plan as of June 30, 2011 (in millions):
 
Number of Shares
Balance at January 1, 2011
30.7


Additional authorized share reserve approved by stockholders
30.0


RSUs and PSAs granted (1)
(16.9
)
Options granted
(4.5
)
RSUs and PSAs canceled (1)
2.1


Options canceled (2)
1.0


Options expired (2)
0.2


Balance at June 30, 2011
42.6


________________________________
(1)
RSUs and PSAs with a per share or unit purchase price lower than 100% of the fair market value of the Company's common stock on the day of the grant under the 2006 Plan are counted against shares authorized under the plan as two and one-tenth shares of common stock for each share subject to such award. The number of shares subject to PSAs granted represents the maximum number of shares that may be issued pursuant to the award over its full term.
(2)
Includes canceled or expired options under the 1996 Plan and the 2000 Plan that expired unexercised after May 18, 2006, which become available for grant under the 2006 Plan according t
Estimates of Weighted Average Fair Value Per Share Under Employee Purchase Plan And Stock Purchase Plan [Text Block] 


The assumptions used and the resulting estimates of fair value for employee stock options and the employee stock purchase plan during the three and six months ended June 30, 2011, and 2010 were:


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Employee Stock Options:
 
 
 
 
 
 
 
Volatility factor
41% - 42%
 
33% - 41%
 
41% - 42%
 
33% - 41%
Risk-free interest rate
1.2% - 1.7%
 
1.7% - 2.2%
 
1.2% - 1.9%
 
1.7% - 2.2%
Expected life (years)
4.1
 
4.3
 
4.1
 
4.3
Dividend yield
—
 
—
 
—
 
—
Fair value per share
$10.12- $13.65
 
$7.83 - $30.36
 
$10.12- $15.22
 
$7.83 - $30.36
 
 
 
 
 
 
 
 
Employee Stock Purchase Plan:
 
 
 
 
 
 
 
Volatility factor
33%
 
35%
 
33%
 
35%
Risk-free interest rate
1.8%
 
1.7%
 
1.8%
 
1.7%
Expected life (years)
0.5
 
0.5
 
0.5
 
0.5
Dividend yield
—
 
—
 
—
 
—
Weighted-average fair value per share
$9.07
 
$6.19
 
$9.07
 
$6.19


Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] 


The Company’s share-based compensation expense associated with stock options, employee stock purchases, RSUs, and PSAs is recorded in the following cost and expense categories for the three and six months ended June 30, 2011, and 2010 (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Cost of revenues - Product
$
1.2


 
$
1.0


 
$
2.2


 
$
2.1


Cost of revenues - Service
4.4


 
3.2


 
8.4


 
6.7


Research and development
26.6


 
18.7


 
48.9


 
35.7


Sales and marketing
19.2


 
13.9


 
32.4


 
25.6


General and administrative
8.7


 
7.8


 
17.3


 
15.1


Total
$
60.1


 
$
44.6


 
$
109.2


 
$
85.2




Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Text Block] 


The following table summarizes share-based compensation expense by award type (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Options
$
19.9


 
$
20.8


 
$
39.6


 
$
40.9


Assumed options
—


 
0.6


 
—


 
0.6


RSUs and PSAs
34.5


 
19.2


 
58.0


 
35.5


Assumed RSUs
—


 
0.5


 
—


 
0.5


Employee stock purchase plan
4.2


 
2.2


 
8.6


 
6.4


Other acquisition-related compensation
1.5


 
1.3


 
3.0


 
1.3


Total
$
60.1


 
$
44.6


 
$
109.2


 
$
85.2




Note 13 - Segments Level 3 (Tables)
Financial information for each segment [Table Text Block] 
The following table summarizes financial information for each segment used by the CODM (in millions):


 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
Net revenues:
 
 
 
 
 
 
 
Infrastructure:
 
 
 
 
 
 
 
Routers
$
761.5


 
$
628.1


 
$
1,510.5


 
$
1,229.5


Switches
122.5


 
92.3


 
228.3


 
169.5


Total Infrastructure
884.0


 
720.4


 
1,738.8


 
1,399.0


SLT
236.5


 
257.9


 
483.4


 
491.9


Total net revenues
1,120.5


 
978.3


 
2,222.2


 
1,890.9


Segment operating income:
 
 
 
 
 
 
 
Infrastructure
209.7


 
181.2


 
419.1


 
357.7


SLT
32.5


 
52.6


 
68.9


 
87.7


Total segment operating income
242.2


 
233.8


 
488.0


 
445.4


Amortization of purchased intangible assets (1)
(6.8
)
 
(1.5
)
 
(13.5
)
 
(2.6
)
Share-based compensation expense
(60.1
)
 
(44.6
)
 
(109.2
)
 
(85.2
)
Share-based payroll tax expense
(1.1
)
 
(1.9
)
 
(9.0
)
 
(3.4
)
Restructuring
0.9


 
(0.3
)
 
1.3


 
(8.4
)
Acquisition-related charges (2)
(4.2
)
 
(0.5
)
 
(9.3
)
 
(0.5
)
Total operating income
170.9


 
185.0


 
348.3


 
345.3


Other (expense) income, net
(13.7
)
 
4.0


 
(20.1
)
 
5.5


Income before income taxes and noncontrolling interest
$
157.2


 
$
189.0


 
$
328.2


 
$
350.8


________________________________
(1)
Amount includes amortization expense of purchased intangible assets in operating expenses and in cost of revenues.
Net revenues by geographic region [Table Text Block] 
to location. The following table shows net revenues by geographic region (in m
Note 15 - Commitments and Contingencies Level 3 (Tables)
Summary of principal contractual obligations [Text Block]
The following table summarizes the Company’s future principal contractual obligations as of June 30, 2011 (in millions):
 
Total
 
2011
 
2012
 
2013
 
2014
 
2015
 
Thereafter
 
Other
Operating leases
$
342.1


 
$
27.7


 
$
51.4


 
$
43.9


 
$
58.1


 
$
48.6


 
$
112.4


 
$
—


Purchase commitments
151.7


 
151.7


 
—


 
—


 
—


 
—


 
—


 
—


Tax liabilities
106.3


 
—


 
—


 
—


 
—


 
—


 
—


 
106.3


Long-term debt
1,000.0


 
—


 
—


 
—


 
—


 
—


 
1,000.0


 
—


Interest payment on long-term debt
900.2


 
27.1


 
46.9


 
46.9


 
46.9


 
46.9


 
685.5


 
—


Other contractual obligations
83.9


 
65.6


 
8.5


 
4.8


 
3.0


 
2.0


 
—


 
—


Total
$
2,584.2


 
$
272.1


 
$
106.8


 
$
95.6


 
$
108.0


 
$
97.5


 
$
1,797.9


 
$
106.3


Note 1 - Basis of Presentation Level 4 (Details)
Jun. 30, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
 
Company's interest in the joint venture - NSN
60.00% 
Note 3 - Business Combination Level 4 (Details) - Business Combination, Purchase Price Allocation (Business Acquisitions 2011 [Member], USD $)
In Millions
Mar. 31, 2011
Business Acquisitions 2011 [Member]
 
Business Acquisition [Line Items]
 
Net tangible assets acquired
$ 1.7 
Intangible assets acquired
28.4 
Goodwill
0.4 
Total purchase consideration
$ 30.5 
Note 3 - Business Combination Level 4 (Details) - Business Combination, Intangible Assets Acquired (Business Acquisitions - 2011 [Member], USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2011
Year
Mar. 31, 2011
Business Acquisition [Line Items]
 
 
Acquired finite-lived intangible assets, amount
 
$ 28.4 
Existing or Core Technology [Member]
 
 
Business Acquisition [Line Items]
 
 
Acquired finite-lived intangible asset, estimated useful life (in years)
10 
 
Acquired finite-lived intangible assets, amount
 
21.9 
Support Agreements and Related Relationships [Member]
 
 
Business Acquisition [Line Items]
 
 
Acquired finite-lived intangible asset, estimated useful life (in years)
4 
 
Acquired finite-lived intangible assets, amount
 
5.1 
Patents [Member]
 
 
Business Acquisition [Line Items]
 
 
Acquired finite-lived intangible asset, estimated useful life (in years)
5 
 
Acquired finite-lived intangible assets, amount
 
$ 1.4 
Note 3 - Business Combination Level 4 (Details) - Business Combination, Textuals (USD $)
In Millions
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Business Acquisition [Line Items]
 
 
 
 
Pro Forma results of operations not presented, impact to results of operations not material
 
 
0 
 
Goodwill deductible for income tax purposes
$ 0 
 
$ 0 
 
Acquisition-related costs within operating expenses and cost of revenues
$ 4.2 1
$ 0.5 1
$ 9.3 1
$ 0.5 1
Note 4 - Net Income per Share Level 4 (Details) (USD $)
In Thousands, except Share data
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Numerator
 
 
 
 
Net income attributable to Juniper Networks
$ 115,560 
$ 130,511 
$ 245,310 
$ 293,626 
Denominator
 
 
 
 
Weighted-average shares used to compute basic net income per share
532,909,000 
524,463,000 
531,827,000 
522,812,000 
Effect of dilutive securities:
 
 
 
 
Employee stock awards
13,600,000 
14,400,000 
15,900,000 
15,200,000 
Weighted-average shares used to compute diluted net income per share
546,452,000 
538,947,000 
547,729,000 
537,989,000 
Net income per share attributable to Juniper Networks common stockholders [Abstract]
 
 
 
 
Basic
$ 0.22 
$ 0.25 
$ 0.46 
$ 0.56 
Diluted
$ 0.21 
$ 0.24 
$ 0.45 
$ 0.55 
Net Income per Share Textuals
 
 
 
 
Anti-dilutive shares excluded from computation of diluted earnings per share
13,500,000 
22,000,000 
44,800,000 
22,400,000 
Note 5 - Cash, Cash Equivalents and Investments Level 4 (Details) (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Jun. 30, 2010
Dec. 31, 2009
Cash and cash equivalents
$ 2,838,066 
$ 1,811,887 
$ 1,660,086 
$ 1,604,723 
Cash [Member]
 
 
 
 
Cash and cash equivalents
1,082,600 
686,300 
 
 
Demand Deposits [Member]
 
 
 
 
Cash and cash equivalents
531,600 
413,000 
 
 
Bank Time Deposits [Member]
 
 
 
 
Cash and cash equivalents
551,000 
273,300 
 
 
Cash Equivalents [Member]
 
 
 
 
Cash and cash equivalents
1,755,500 
1,125,600 
 
 
US Treasury Securities [Member]
 
 
 
 
Cash and cash equivalents
0 
76,700 
 
 
US Government-sponsored Enterprises Debt Securities [Member]
 
 
 
 
Cash and cash equivalents
21,000 
5,000 
 
 
Commercial Paper [Member]
 
 
 
 
Cash and cash equivalents
0 
4,000 
 
 
Money Market Funds [Member]
 
 
 
 
Cash and cash equivalents
$ 1,734,500 
$ 1,039,900 
 
 
Note 5.2 - Cash, Cash Equivalents, and Investments - Available for Sale Securities Level 4 (Details) (USD $)
In Millions
6 Months Ended
Jun. 30, 2011
12 Months Ended
Dec. 31, 2010
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
$ 1,369.4 
$ 999.0 
Available-for-sale securities, gross unrealized gains
1.9 
3.1 
Available-for-sale securities, gross unrealized losses
(0.2)
(0.5)
Available-for-sale securities, estimated fair value
1,371.1 
1,001.6 
Trading securities:
 
 
Trading securities, amortized cost
11.3 1
8.1 1
Trading securities, gross unrealized gains
0 1
0 1
Trading securities, gross unrealized losses
0 1
0 1
Trading securities, estimated fair value
11.3 1
8.1 1
Available-for-sale and Trading Investments [Abstract]
 
 
Total investments, amortized cost
1,380.7 
1,007.1 
Total investments, gross unrealized gains
1.9 
3.1 
Total investments, gross unrealized losses
(0.2)
(0.5)
Total investments, estimated fair value
1,382.4 
1,009.7 
Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
1,369.4 
999.0 
Available-for-sale securities, gross unrealized gains
1.9 
3.1 
Available-for-sale securities, gross unrealized losses
(0.2)
(0.5)
Available-for-sale securities, estimated fair value
1,371.1 
1,001.6 
US Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
395.2 
158.2 
Available-for-sale securities, gross unrealized gains
0.1 
0.2 
Available-for-sale securities, gross unrealized losses
0 
0 
Available-for-sale securities, estimated fair value
395.3 
158.4 
US Government-sponsored Enterprises Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
327.0 
213.8 
Available-for-sale securities, gross unrealized gains
0.4 
0.4 
Available-for-sale securities, gross unrealized losses
(0.1)
(0.2)
Available-for-sale securities, estimated fair value
327.3 
214.0 
Foreign Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
10.0 
46.8 
Available-for-sale securities, gross unrealized gains
0.1 
0.2 
Available-for-sale securities, gross unrealized losses
0 
0 
Available-for-sale securities, estimated fair value
10.1 
47.0 
Certificates of Deposit [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
44.3 
20.9 
Available-for-sale securities, gross unrealized gains
0 
0.1 
Available-for-sale securities, gross unrealized losses
0 
0 
Available-for-sale securities, estimated fair value
44.3 
21.0 
Commercial Paper [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
16.0 
9.5 
Available-for-sale securities, gross unrealized gains
0 
0 
Available-for-sale securities, gross unrealized losses
0 
0 
Available-for-sale securities, estimated fair value
16.0 
9.5 
Asset-backed Securities [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
110.8 
90.1 
Available-for-sale securities, gross unrealized gains
0.1 
0 
Available-for-sale securities, gross unrealized losses
0 
(0.1)
Available-for-sale securities, estimated fair value
110.9 
90.0 
Corporate Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Available-for-sale securities, amortized cost
466.1 
459.7 
Available-for-sale securities, gross unrealized gains
1.2 
2.2 
Available-for-sale securities, gross unrealized losses
(0.1)
(0.2)
Available-for-sale securities, estimated fair value
467.2 
461.7 
Short-term investments [Member]
 
 
Available-for-sale and Trading Investments [Abstract]
 
 
Total investments, amortized cost
631.4 
473.6 
Total investments, gross unrealized gains
0.4 
0.9 
Total investments, gross unrealized losses
0 
0 
Total investments, estimated fair value
631.8 
474.5 
Long-term investments [Member]
 
 
Available-for-sale and Trading Investments [Abstract]
 
 
Total investments, amortized cost
749.3 
533.5 
Total investments, gross unrealized gains
1.5 
2.2 
Total investments, gross unrealized losses
(0.2)
(0.5)
Total investments, estimated fair value
$ 750.6 
$ 535.2 
Note 5.3 - Cash, Cash Equivalents, and Investments - Maturities of Available for Sale Investments Level 4 (Details) (USD $)
In Millions
6 Months Ended
Jun. 30, 2011
12 Months Ended
Dec. 31, 2010
Available-for-sale and Trading Investments [Abstract]
 
 
Amortized cost due within one year
$ 620.1 
 
Gross unrealized gains due within one year
0.4 
 
Gross unrealized losses due within one year
0 
 
Estimated fair value due within one year
620.5 
 
Amortized cost due between one and five years
749.3 
 
Gross unrealized gains due between one and five years
1.5 
 
Gross unrealized losses due between one and five years
(0.2)
 
Estimated fair value due between one and five year
750.6 
 
Amortized cost, no contractual maturity
11.3 
 
Gross unrealized gains, no contractual maturity
0 
 
Gross unrealized losses, no contractual maturity
0 
 
Estimated fair value, no contractual maturity
11.3 
 
Total investments, amortized cost
1,380.7 
1,007.1 
Total investments, gross unrealized gains
1.9 
3.1 
Total investments, gross unrealized losses
0.2 
0.5 
Total investments, estimated fair value
$ 1,382.4 
$ 1,009.7 
Note 5.4 - Cash, Cash Equivalents, and Investments - Unrealized Loss for Trading and Available for Sale Investments Level 4 (Details) (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Schedule of Available-for-sale Securities [Line Items]
 
 
Fair value, less than 12 months
$ 432.6 
$ 221.8 
Unrealized loss, less than 12 months
(0.2)
(0.5)
Fair value, 12 months or greater
0 
35.0 
Unrealized loss, 12 months or greater
 
0 
Total fair value, Available-for-sale investments in continuous unrealized loss position
432.6 1
256.8 
Total unrealized loss, Available-for-sale investments in continuous unrealized loss position
(0.2)1
(0.5)
Corporate Debt Securities [Member]
 
 
Schedule of Available-for-sale Securities [Line Items]
 
 
Fair value, less than 12 months
100.6 
104.3 2
Unrealized loss, less than 12 months
(0.1)
(0.2)2
Fair value, 12 months or greater
 
28.8 2
Unrealized loss, 12 months or greater
 
0 2
Total fair value, Available-for-sale investments in continuous unrealized loss position
100.6 1
133.1 2
Total unrealized loss, Available-for-sale investments in continuous unrealized loss position
(0.1)1
(0.2)2
US Government Debt Securities [Member]
 
 
Schedule of Available-for-sale Securities [Line Items]
 
 
Fair value, less than 12 months
130.5 3
 
Unrealized loss, less than 12 months
0 3
 
Total fair value, Available-for-sale investments in continuous unrealized loss position
130.5 1 3
 
Total unrealized loss, Available-for-sale investments in continuous unrealized loss position
0 1 3
 
US Government-sponsored Enterprises Debt Securities [Member]
 
 
Schedule of Available-for-sale Securities [Line Items]
 
 
Fair value, less than 12 months
153.7 
57.8 
Unrealized loss, less than 12 months
(0.1)
(0.2)
Fair value, 12 months or greater
 
0 
Unrealized loss, 12 months or greater
 
0 
Total fair value, Available-for-sale investments in continuous unrealized loss position
153.7 1
57.8 
Total unrealized loss, Available-for-sale investments in continuous unrealized loss position
(0.1)1
(0.2)
Foreign Government Debt Securities [Member]
 
 
Schedule of Available-for-sale Securities [Line Items]
 
 
Fair value, less than 12 months
 
0 2
Unrealized loss, less than 12 months
 
0 2
Fair value, 12 months or greater
 
6.2 2
Unrealized loss, 12 months or greater
 
0 2
Total fair value, Available-for-sale investments in continuous unrealized loss position
 
6.2 2
Total unrealized loss, Available-for-sale investments in continuous unrealized loss position
 
0 2
Commercial Paper [Member]
 
 
Schedule of Available-for-sale Securities [Line Items]
 
 
Fair value, less than 12 months
 
5.0 2
Unrealized loss, less than 12 months
 
0 2
Fair value, 12 months or greater
 
0 2
Unrealized loss, 12 months or greater
 
0 2
Total fair value, Available-for-sale investments in continuous unrealized loss position
 
5.0 2
Total unrealized loss, Available-for-sale investments in continuous unrealized loss position
 
0 2
Asset-backed Securities [Member]
 
 
Schedule of Available-for-sale Securities [Line Items]
 
 
Fair value, less than 12 months
47.8 3
54.7 
Unrealized loss, less than 12 months
0 3
(0.1)
Fair value, 12 months or greater
 
0 
Unrealized loss, 12 months or greater
 
0 
Total fair value, Available-for-sale investments in continuous unrealized loss position
47.8 1 3
54.7 
Total unrealized loss, Available-for-sale investments in continuous unrealized loss position
$ 0 1 3
$ (0.1)
Note 5.5 - Cash, Cash Equivalents, and Investments - Restricted Cash Level 4 (Details) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Restricted Cash and Investments [Abstract]
 
 
Total restricted cash and investments
$ 93,173,000 
$ 119,346,000 
Restricted Cash [Member]
 
 
Restricted Cash and Investments [Abstract]
 
 
Restricted cash
1,300,000 
1,700,000 
Demand Deposits [Member]
 
 
Restricted Cash and Investments [Abstract]
 
 
Restricted cash
1,300,000 
1,700,000 
Restricted Investments [Member]
 
 
Restricted Cash and Investments [Abstract]
 
 
Restricted investments
91,900,000 
117,600,000 
US Government Debt Securities [Member]
 
 
Restricted Cash and Investments [Abstract]
 
 
Restricted investments
0 
600,000 
Corporate Debt Securities [Member]
 
 
Restricted Cash and Investments [Abstract]
 
 
Restricted investments
2,100,000 
2,700,000 
Mutual Funds [Member]
 
 
Restricted Cash and Investments [Abstract]
 
 
Restricted investments
1,100,000 
0 
Money Market Funds [Member]
 
 
Restricted Cash and Investments [Abstract]
 
 
Restricted investments
$ 88,700,000 
$ 114,300,000 
Note 5.6 - Cash, Cash Equivalents, and Investments - Textuals Level 4 (Details) (USD $)
6 Months Ended
Jun. 30,		 3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
3 Months Ended
Jun. 30, 2011
month
Year
2011
day
Year
issuers
month
2010
Dec. 31, 2010
Apr. 8, 2010
2011
Equity Method Investee, Privately Held Companies [Member]
2010
Equity Method Investee, Privately Held Companies [Member]
2011
Equity Method Investee, Privately Held Companies [Member]
2010
Equity Method Investee, Privately Held Companies [Member]
Dec. 31, 2010
Equity Method Investee, Privately Held Companies [Member]
Total investments In unrealized loss position
84 
84 
 
73 
 
 
 
 
 
 
Decrease in Restricted Cash
$ 10,500,000 
$ 27,700,000 
 
 
 
 
 
 
 
 
Business Acquisition, Cash Value of Unvested Restricted Shares
3,700,000 
3,700,000 
 
 
10,700,000 
 
 
 
 
 
Business Acquisition, Payments for Restricted Shares That Have Vested
7,000,000 
7,000,000 
 
 
 
 
 
 
 
 
Vesting period for restricted shares (in months)
15 
15 
 
 
 
 
 
 
 
 
Unrealized gains on restricted investments
0 
0 
 
0 
 
 
 
 
 
 
Unrealized losses on restricted investments
0 
0 
 
0 
 
 
 
 
 
 
Minority equity investment
 
 
 
 
 
29,600,000 
 
29,600,000 
 
22,100,000 
Investment in privately-held companies
 
 
 
 
 
2,700,000 
500,000 
8,700,000 
5,200,000 
 
Loss due to impairment of privately held equity investments measured on a non-recurring basis
 
 
 
 
 
0 
0 
0 
0 
 
Gain on equity investments
 
$ 0 
$ 3,232,000 
 
 
 
 
 
$ 3,232,000 
 
Note 6 - Fair Value Measurements Level 4 (Details) (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Fair Value Measurements (Textuals)
 
 
Amount of restricted investments measured at fair value included in the balance of Government Securities
 
$ 0.6 
Amount of restricted investments measured at fair value included in the balance of Corporate Debt Securities
2.1 
2.7 
Amount of restricted investments measured at fair value included in the balance of Money Market Funds
88.7 
114.3 
Amount of Restricted Investments Measured at Fair Value Included in Balance of Mutual Funds
1.1 
 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
3,217.4 
2,244.8 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
2,244.1 
1,441.7 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
973.3 
803.1 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
US Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
395.3 
235.7 1
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
US Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
150.1 
54.9 1
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
US Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
245.2 
180.8 1
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
US Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 1
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
US Government-sponsored Enterprises Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
348.3 
219.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
US Government-sponsored Enterprises Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
270.8 
208.9 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
US Government-sponsored Enterprises Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
77.5 
10.1 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
US Government-sponsored Enterprises Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Foreign Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
10.1 
47.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Foreign Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
21.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Foreign Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
10.1 
26.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Foreign Government Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Commercial Paper [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
16.0 
13.5 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Commercial Paper [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Commercial Paper [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
16.0 
13.5 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Commercial Paper [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Corporate Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
469.3 2
464.4 3
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Corporate Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 2
2.7 3
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Corporate Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
469.3 2
461.7 3
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Corporate Debt Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 2
0 3
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Certificates of Deposit [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
44.3 
21.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Certificates of Deposit [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Certificates of Deposit [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
44.3 
21.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Certificates of Deposit [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Asset-backed Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
110.9 
90.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Asset-backed Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Asset-backed Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
110.9 
90.0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Asset-backed Securities [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Money Market Funds [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
1,823.2 4
1,154.2 5
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Money Market Funds [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
1,823.2 4
1,154.2 5
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Money Market Funds [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 4
0 5
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Money Market Funds [Member]
 
 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 4
0 5
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Mutual Funds [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
12.4 6
8.1 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Mutual Funds [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
12.4 6
8.1 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Mutual Funds [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
0 6
0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Mutual Funds [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
0 6
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member] |
Foreign Exchange Contract [Member]
 
 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
2.3 
0.4 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member] |
Foreign Exchange Contract [Member]
 
 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member] |
Foreign Exchange Contract [Member]
 
 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
2.3 
0.4 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member] |
Foreign Exchange Contract [Member]
 
 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
0 
0 
Fair Value, Measurements, Recurring [Member] |
Estimate of Fair Value, Fair Value Disclosure [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
12.4 
8.1 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
3,217.4 
2,244.8 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
2.3 
0.4 
Total assets measured at fair value
3,232.1 
2,253.3 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 1 [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
12.4 
8.1 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
2,244.1 
1,441.7 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
0 
0 
Total assets measured at fair value
2,256.5 
1,449.8 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 2 [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
0 
0 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
973.3 
803.1 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
2.3 
0.4 
Total assets measured at fair value
975.6 
803.5 
Fair Value, Measurements, Recurring [Member] |
Fair Value, Inputs, Level 3 [Member]
 
 
Trading securities:
 
 
Total trading securities measured at fair value on a recurring basis
0 
0 
Available-for-sale securities:
 
 
Assets measured at fair value on a recurring basis
0 
0 
Derivative assets:
 
 
Derivative assets measured at fair value on a recurring basis
0 
0 
Total assets measured at fair value
$ 0 
$ 0 
Note 6.2 - Fair Value Measurements, Assets by Balance Sheet Grouping Level 4 (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Estimate of Fair Value, Fair Value Disclosure [Member]
 
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
 
 
Cash equivalents measured at fair value
$ 1,755.5 
$ 1,125.6 
Short-term investments measured at fair value
631.8 
474.5 
Long-term investments measured at fair value
750.6 
535.2 
Restricted cash measured at fair value
91.9 
117.6 
Prepaid expenses and other current assets measured at fair value
2.3 
0.4 
Total assets measured at fair value
3,232.1 
2,253.3 
Fair Value, Inputs, Level 1 [Member]
 
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
 
 
Cash equivalents measured at fair value
1,734.5 
1,039.9 
Short-term investments measured at fair value
139.6 
150.7 
Long-term investments measured at fair value
292.6 
142.2 
Restricted cash measured at fair value
89.8 
117.0 
Prepaid expenses and other current assets measured at fair value
0 
0 
Total assets measured at fair value
2,256.5 
1,449.8 
Fair Value, Inputs, Level 2 [Member]
 
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
 
 
Cash equivalents measured at fair value
21.0 
85.7 
Short-term investments measured at fair value
492.2 
323.8 
Long-term investments measured at fair value
458.0 
393.0 
Restricted cash measured at fair value
2.1 
0.6 
Prepaid expenses and other current assets measured at fair value
2.3 
0.4 
Total assets measured at fair value
975.6 
803.5 
Fair Value, Inputs, Level 3 [Member]
 
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
 
 
Cash equivalents measured at fair value
0 
0 
Short-term investments measured at fair value
0 
0 
Long-term investments measured at fair value
0 
0 
Restricted cash measured at fair value
0 
0 
Prepaid expenses and other current assets measured at fair value
0 
0 
Total assets measured at fair value
$ 0 
$ 0 
Note 6.3 - Fair Value Measurements, Liabilities Measured On A Recurring Basis Level 4 (Details) (USD $)
In Millions
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Jun. 30, 2011
Other Current Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Foreign Exchange Contract [Member]
Dec. 31, 2010
Other Current Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Foreign Exchange Contract [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
US Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
US Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Foreign Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Foreign Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Certificates of Deposit [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Certificates of Deposit [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Commercial Paper [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Commercial Paper [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Asset-backed Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Asset-backed Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Corporate Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Corporate Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Money Market Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Money Market Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Mutual Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Mutual Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Foreign Exchange Contract [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Foreign Exchange Contract [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
US Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
US Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Foreign Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Foreign Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Certificates of Deposit [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Certificates of Deposit [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Commercial Paper [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Commercial Paper [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Asset-backed Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Asset-backed Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Corporate Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Corporate Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Money Market Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Money Market Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Mutual Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Mutual Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Foreign Exchange Contract [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 1 [Member]
Foreign Exchange Contract [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
US Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
US Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Foreign Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Foreign Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Certificates of Deposit [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Certificates of Deposit [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Commercial Paper [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Commercial Paper [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Asset-backed Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Asset-backed Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Corporate Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Corporate Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Money Market Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Money Market Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Mutual Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Mutual Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Foreign Exchange Contract [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 2 [Member]
Foreign Exchange Contract [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
US Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
US Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
US Government-sponsored Enterprises Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Foreign Government Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Foreign Government Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Certificates of Deposit [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Certificates of Deposit [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Commercial Paper [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Commercial Paper [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Asset-backed Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Asset-backed Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate Debt Securities [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate Debt Securities [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Money Market Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Money Market Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Mutual Funds [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Mutual Funds [Member]
Jun. 30, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Foreign Exchange Contract [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Assets measured at fair value on a recurring basis
 
 
 
 
 
 
$ 3,217.4 
$ 2,244.8 
$ 3,217.4 
$ 2,244.8 
$ 395.3 
$ 235.7 1
$ 348.3 
$ 219.0 
$ 10.1 
$ 47.0 
$ 44.3 
$ 21.0 
$ 16.0 
$ 13.5 
$ 110.9 
$ 90.0 
$ 469.3 2
$ 464.4 3
$ 1,823.2 4
$ 1,154.2 5
 
 
 
 
$ 2,244.1 
$ 1,441.7 
$ 2,244.1 
$ 1,441.7 
$ 150.1 
$ 54.9 1
$ 270.8 
$ 208.9 
$ 0 
$ 21.0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 2
$ 2.7 3
$ 1,823.2 4
$ 1,154.2 5
 
 
 
 
$ 973.3 
$ 803.1 
$ 973.3 
$ 803.1 
$ 245.2 
$ 180.8 1
$ 77.5 
$ 10.1 
$ 10.1 
$ 26.0 
$ 44.3 
$ 21.0 
$ 16.0 
$ 13.5 
$ 110.9 
$ 90.0 
$ 469.3 2
$ 461.7 3
$ 0 4
$ 0 5
 
 
 
 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 1
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 
$ 0 2
$ 0 3
$ 0 4
$ 0 5
 
 
 
 
Total trading securities measured at fair value on a recurring basis
 
 
 
 
 
 
12.4 
8.1 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
12.4 6
8.1 
 
 
12.4 
8.1 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
12.4 6
8.1 
 
 
0 
0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0 6
0 
 
 
0 
0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0 6
0 
 
 
Derivative assets measured at fair value on a recurring basis
 
 
 
 
 
 
2.3 
0.4 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2.3 
0.4 
0 
0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0 
0 
2.3 
0.4 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2.3 
0.4 
0 
0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0 
0 
Total assets measured at fair value
 
 
 
 
 
 
3,232.1 
2,253.3 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2,256.5 
1,449.8 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
975.6 
803.5 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0 
0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivative liability measured at fair value on a recurring basis
 
 
 
 
(0.1)
(2.6)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Transfers between levels of fair value [Abstract]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fair Value, Level 1 to level 2 Transfers, Amount
0 
0 
0 
0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fair Value, Level 2 to level 1 Transfers, Amount
$ 0 
$ 0 
$ 0 
$ 0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Note 6.4 - Fair Value Measurements, Assets and Liabilities Measured On A Nonrecurring Basis Level 4 (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Fair Value, Measurements, Nonrecurring [Member]
 
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
 
 
Fair Value Assets Measured On Non Recurring Basis Assets
$ 0 
$ 0 
Fair Value Liabilities Measured On Nonrecurring Basis Liabilities
$ 0 
$ 0 
Note 7 - Goodwill and Purchased Intangible Assets Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Goodwill [Roll Forward]
 
 
 
 
Gross Goodwill, beginning of period
 
 
$ 5,207,800,000 
 
Goodwill, Impaired, Accumulated Impairment Loss, Beginning of Period
 
 
(1,280,000,000)
 
Goodwill, beginning of period
 
 
3,927,807,000 
 
Goodwill, Translation and Purchase Accounting Adjustments
 
 
(300,000)
 
Goodwill acquired
 
 
400,000 
 
Gross Goodwill, end of period
5,207,900,000 
 
5,207,900,000 
 
Goodwill, Impaired, Accumulated Impairment Loss, End of Period
(1,280,000,000)
 
(1,280,000,000)
 
Goodwill, end of period
3,927,883,000 
 
3,927,883,000 
 
Goodwill, Impairment Loss
0 
0 
0 
0 
Infrastructure Segment [Member]
 
 
 
 
Goodwill [Roll Forward]
 
 
 
 
Gross Goodwill, beginning of period
 
 
1,643,400,000 
 
Goodwill, Impaired, Accumulated Impairment Loss, Beginning of Period
 
 
0 
 
Goodwill, beginning of period
 
 
1,643,400,000 
 
Goodwill, Translation and Purchase Accounting Adjustments
 
 
(300,000)
 
Goodwill acquired
 
 
400,000 
 
Gross Goodwill, end of period
1,643,500,000 
 
1,643,500,000 
 
Goodwill, Impaired, Accumulated Impairment Loss, End of Period
0 
 
0 
 
Goodwill, end of period
1,643,500,000 
 
1,643,500,000 
 
Service Layer Technologies Segment [Member]
 
 
 
 
Goodwill [Roll Forward]
 
 
 
 
Gross Goodwill, beginning of period
 
 
3,564,400,000 
 
Goodwill, Impaired, Accumulated Impairment Loss, Beginning of Period
 
 
(1,280,000,000)
 
Goodwill, beginning of period
 
 
2,284,400,000 
 
Goodwill, Translation and Purchase Accounting Adjustments
 
 
0 
 
Goodwill acquired
 
 
0 
 
Gross Goodwill, end of period
3,564,400,000 
 
3,564,400,000 
 
Goodwill, Impaired, Accumulated Impairment Loss, End of Period
(1,280,000,000)
 
(1,280,000,000)
 
Goodwill, end of period
$ 2,284,400,000 
 
$ 2,284,400,000 
 
Note 7.2 - Goodwill and Purchased Intangible Assets, Finite Lived Intangible Assets by Class Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Dec. 31, 2010
Jun. 30, 2011
Technologies and Patents [Member]
Dec. 31, 2010
Technologies and Patents [Member]
Jun. 30, 2011
Other Intangible Assets [Member]
Dec. 31, 2010
Other Intangible Assets [Member]
Mar. 31, 2011
Business Acquisitions - 2011 [Member]
Purchased Intangible Assets [Line Items]
 
 
 
 
 
 
 
 
 
 
Finite-lived intangible assets, gross
$ 585,900,000 
 
$ 585,900,000 
 
$ 557,500,000 
$ 494,400,000 
$ 471,100,000 
$ 91,500,000 
$ 86,400,000 
 
Finite-lived intangible assets, accumulated amortization
(457,100,000)
 
(457,100,000)
 
(443,600,000)
(392,600,000)
(381,400,000)
(64,500,000)
(62,200,000)
 
Acquired finite-lived intangible assets, amount
 
 
 
 
 
 
 
 
 
28,400,000 
Finite-lived intangible assets, net
128,800,000 
 
128,800,000 
 
113,900,000 
101,800,000 
89,700,000 
27,000,000 
24,200,000 
 
Indefinite-lived Intangible Assets
7,900,000 
 
7,900,000 
 
7,900,000 
 
 
 
 
 
Indefinite-Lived Intangible Assets (Excluding Goodwill)
7,900,000 
 
7,900,000 
 
7,900,000 
 
 
 
 
 
Intangible Assets Gross Excluding Goodwill
593,800,000 
 
593,800,000 
 
565,400,000 
 
 
 
 
 
Purchased Intangible Assets, Accumulated Amortization
(457,100,000)
 
(457,100,000)
 
(443,600,000)
 
 
 
 
 
Purchased intangible assets, net
136,736,000 
 
136,736,000 
 
121,803,000 
 
 
 
 
 
Amortization of purchased intangible assets
6,800,000 1
1,500,000 1
13,500,000 1
2,600,000 1
 
 
 
 
 
 
Impairment of finite-lived intangible assets
0 
0 
0 
0 
 
 
 
 
 
 
Total Finite and Indefinite-lived Intangible Assets, Acquired During the Period
$ 0 
$ 12,200,000 
$ 28,400,000 
$ 12,200,000 
 
 
 
 
 
 
Note 7.3 - Goodwill and Purchased Intangible Assets, Estimated Future Amortization Expense Intangible Assets Level 4 (Details) (USD $)
In Millions
6 Months Ended
Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
 
Future Amortization Expense, Remainder of Fiscal Year
$ 13.3 
2012
26.4 
2013
26.1 
2014
24.3 
2015
19.3 
Thereafter
19.4 
Total
$ 128.8 
Note 8.2 - Other Financial Information, Deferred Revenue Level 4 (Details) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Deferred Product Revenue [Abstract]
 
 
Deferred product revenue, net
$ 930,224,000 
$ 884,429,000 
Deferred Revenue Reported as [Abstract]
 
 
Deferred Revenue, Current
707,422,000 
660,264,000 
Deferred Revenue, Noncurrent
222,802,000 
224,165,000 
Deferred revenue, total
930,224,000 
884,429,000 
Sales Revenue, Goods, Net [Member]
 
 
Deferred Product Revenue [Abstract]
 
 
Undelivered product commitments and other product deferrals
288,700,000 
294,100,000 
Distributor inventory and other sell-through items
138,600,000 
143,400,000 
Deferred gross product revenue
427,300,000 
437,500,000 
Deferred cost of product revenue
(134,800,000)
(148,800,000)
Deferred product revenue, net
292,500,000 
288,700,000 
Deferred Revenue Reported as [Abstract]
 
 
Deferred revenue, total
292,500,000 
288,700,000 
Sales Revenue, Services, Net [Member]
 
 
Deferred Product Revenue [Abstract]
 
 
Deferred product revenue, net
637,700,000 
595,700,000 
Deferred Revenue Reported as [Abstract]
 
 
Deferred revenue, total
$ 637,700,000 
$ 595,700,000 
Note 8.3 - Other Financial Information, Restructuring Level 4 (Details) (USD $)
6 Months Ended
Jun. 30, 2011
Restructuring Reserve [Line Items]
 
Restructuring
$ 0 
Restructuring Reserve [Roll Forward]
 
Beginning Balance
7,900,000 
Charges
0 
Cash payments
(4,900,000)
Adjustments
1,300,000 
Ending Balance
1,700,000 
Facilities [Member]
 
Restructuring Reserve [Line Items]
 
Restructuring
0 
Restructuring Reserve [Roll Forward]
 
Beginning Balance
7,700,000 
Charges
0 
Cash payments
(4,900,000)
Adjustments
1,300,000 
Ending Balance
1,500,000 
Severance [Member]
 
Restructuring Reserve [Line Items]
 
Restructuring
0 
Restructuring Reserve [Roll Forward]
 
Beginning Balance
200,000 
Charges
0 
Cash payments
0 
Adjustments
0 
Ending Balance
$ 200,000 
Note 8.4 - Other Financial Information, Interest and Other Income Net Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Component of Other Income, Nonoperating [Line Items]
 
 
 
 
Interest income
$ 2,600,000 
$ 2,700,000 
$ 5,000,000 
$ 5,100,000 
Interest Expense
(15,200,000)
(2,000,000)
(21,600,000)
(3,600,000)
Other income and expense, net
(1,100,000)
3,400,000 
(3,500,000)
4,000,000 
Total other income (expense), net
$ (13,688,000)
$ 4,065,000 
$ (20,150,000)
$ 5,524,000 
Note 8 - Other Financial Information Level 4 (Details) (USD $)
In Millions
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Movement in Standard Product Warranty Accrual [Roll Forward]
 
 
 
 
Beginning balance
$ 38.3 
$ 37.8 
$ 35.9 
$ 38.2 
Provisions made during the period, net
12.4 
12.1 
27.7 
24.2 
Change in estimate
(2.1)
(0.1)
(2.9)
(0.6)
Actual costs incurred during the period
(10.5)
(11.5)
(22.6)
(23.5)
Ending balance
$ 38.1 
$ 38.3 
$ 38.1 
$ 38.3 
Note 9 - Financing Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
day
Year
issuers
month
2010
60 Months Ended
Mar. 15, 2016
121 Months Ended
Mar. 15, 2021
364 Months Ended
Mar. 15, 2041
Dec. 31, 2010
Long-Term Debt [Line Items]
 
 
 
 
 
 
 
 
Long-term Debt, Gross
$ 1,000,000,000 
 
$ 1,000,000,000 
 
 
 
 
 
Unaccreted Discount
(1,000,000)
 
(1,000,000)
 
 
 
 
 
Long-term Debt, Excluding Current Maturities
998,960,000 
 
998,960,000 
 
 
 
 
0 
Debt Instrument, Maturity Date
 
 
 
 
Mar. 15, 2016 
Mar. 15, 2021 
Mar. 15, 2041 
 
Change of Control Repurchase Price Percentage of Principal
 
 
101.00% 
 
 
 
 
 
Debt Instrument, Fair Value
1,025,300,000 
 
1,025,300,000 
 
 
 
 
 
Financing Arrangements [Abstract]
 
 
 
 
 
 
 
 
Number of days due from receivable
 
 
30 
 
 
 
 
 
Sale of receivables
224,200,000 
156,200,000 
399,000,000 
282,400,000 
 
 
 
 
Proceeds from sale and collection of receivables
207,600,000 
137,600,000 
401,900,000 
276,500,000 
 
 
 
 
Receivables from sale of receivables
116,400,000 
 
116,400,000 
 
 
 
 
127,400,000 
Cash received from financing provider that has not been recognized as revenue
64,200,000 
 
64,200,000 
 
 
 
 
49,100,000 
Fixed Rate Note Due 2016 [Member]
 
 
 
 
 
 
 
 
Long-Term Debt [Line Items]
 
 
 
 
 
 
 
 
Long-term Debt, Gross
300,000,000 
 
300,000,000 
 
 
 
 
 
Debt Instrument, Interest Rate, Effective Percentage
3.12% 
 
3.12% 
 
 
 
 
 
Debt Instrument, Face Amount
300,000,000 
 
300,000,000 
 
 
 
 
 
Debt Instrument, Interest Rate, Stated Percentage
3.10% 
 
3.10% 
 
 
 
 
 
Fixed Rate Note Due 2021 [Member]
 
 
 
 
 
 
 
 
Long-Term Debt [Line Items]
 
 
 
 
 
 
 
 
Long-term Debt, Gross
300,000,000 
 
300,000,000 
 
 
 
 
 
Debt Instrument, Interest Rate, Effective Percentage
4.63% 
 
4.63% 
 
 
 
 
 
Debt Instrument, Face Amount
300,000,000 
 
300,000,000 
 
 
 
 
 
Debt Instrument, Interest Rate, Stated Percentage
4.60% 
 
4.60% 
 
 
 
 
 
Fixed Rate Note Due 2041 [Member]
 
 
 
 
 
 
 
 
Long-Term Debt [Line Items]
 
 
 
 
 
 
 
 
Long-term Debt, Gross
400,000,000 
 
400,000,000 
 
 
 
 
 
Debt Instrument, Interest Rate, Effective Percentage
6.01% 
 
6.01% 
 
 
 
 
 
Debt Instrument, Face Amount
$ 400,000,000 
 
$ 400,000,000 
 
 
 
 
 
Debt Instrument, Interest Rate, Stated Percentage
5.95% 
 
5.95% 
 
 
 
 
 
Note 10 - Derivative Instruments Level 4 (Details) (USD $)
In Millions
6 Months Ended
Jun. 30, 2011
Dec. 31, 2010
Derivative [Line Items]
 
 
Cash flow hedges
$ 139.1 
$ 110.4 
Non-designated hedges
151.1 
74.4 
Total
$ 290.2 
$ 184.8 
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
 
 
Maximum Length of Time Hedged in Cash Flow Hedge
less than one year 
 
Maturity Period Of Non Designated Hedges Derivatives
approximately two months 
 
Note 10.2 - Derivative Instruments, Balance Sheet Location Level 4 (Details) (Foreign Exchange Contract [Member], USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Other Current Assets [Member]
 
 
Derivatives, Fair Value [Line Items]
 
 
Derivative Asset Designated as Hedging Instrument, Fair Value
$ 2.3 
$ 0.4 
Other Current Liabilities [Member]
 
 
Derivatives, Fair Value [Line Items]
 
 
Derivative Liability Designated as Hedging Instrument, Fair Value
$ 0.1 
$ 2.6 
Note 10.3 - Derivative Instruments, Gain (Loss) Level 4 (Details) (USD $)
In Millions
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Foreign Exchange Contract [Member] |
Cash Flow Hedging [Member]
 
 
 
 
Derivative Instruments, Gain (Loss) [Line Items]
 
 
 
 
Gain recognized in accumulated other comprehensive income, effective portion
$ 1.9 
 
$ 7.1 
 
Loss recognized in accumulated other comprehensive income, effective portion
 
(2.9)
 
(4.5)
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net
0.2 
 
0.5 
 
Foreign Exchange Contract [Member] |
Cash Flow Hedging [Member] |
Operating Expense [Member]
 
 
 
 
Derivative Instruments, Gain (Loss) [Line Items]
 
 
 
 
Gain reclassified from accumulated other comprehensive income into Statements of Operations, effective portion
1.7 
 
2.2 
 
Loss reclassified from accumulated other comprehensive income into Statements of Operations, effective portion
 
(2.6)
 
(3.2)
Foreign Exchange Contract [Member] |
Nondesignated [Member] |
Interest And Other Income, Net [Member]
 
 
 
 
Derivative Instruments, Gain (Loss) [Line Items]
 
 
 
 
Derivative instruments not designated as hedging instruments, gain
0.4 
 
0.2 
 
Derivative instruments not designated as hedging instruments, loss
 
(1.0)
 
(1.4)
Cash Flow Hedging [Member]
 
 
 
 
Derivative Instruments, Gain (Loss) [Line Items]
 
 
 
 
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net
 
$ 0 
 
$ 0 
Note 11 - Equity Level 4 (Details) (USD $)
6 Months Ended
Jun. 30,
3 Months Ended
Jun. 30, 2011
3 Months Ended
Mar. 31, 2011
3 Months Ended
Jun. 30, 2010
3 Months Ended
Mar. 31, 2010
2011
2010
Consolidated net income
$ 115,518,000 
$ 129,660,000 
$ 130,343,000 
$ 164,610,000 
$ 245,178,000 
$ 294,953,000 
Other Comprehensive Income (Loss), Net of Tax:
 
 
 
 
 
 
Change in net unrealized (loss) gain on investments, net of tax of nil
(1,500,000)
4,400,000 
(1,300,000)
(400,000)
2,900,000 
(1,700,000)
Change in foreign currency translation adjustment, net of tax of nil
2,600,000 
6,600,000 
(4,800,000)
(2,700,000)
9,200,000 
(7,500,000)
Other Comprehensive Income (Loss), Tax [Abstract]
 
 
 
 
 
 
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax
0 
0 
0 
0 
0 
0 
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
0 
0 
0 
0 
0 
0 
Total other comprehensive income (loss), net of tax
1,100,000 
 
(6,100,000)
 
12,100,000 
(9,200,000)
Consolidated comprehensive income
116,600,000 
 
124,200,000 
 
257,300,000 
285,800,000 
Adjust for comprehensive loss (income) attributable to noncontrolling interest
100,000 
 
200,000 
 
100,000 
(1,300,000)
Comprehensive income attributable to Juniper Networks
$ 116,700,000 
 
$ 124,400,000 
 
$ 257,400,000 
$ 284,500,000 
Note 11.2 - Equity, Stock Repurchase Activities Level 4 (Details) (USD $)
Share data in Millions, except Per Share data
6 Months Ended
Jun. 30,
3 Months Ended
Jun. 30, 2011
3 Months Ended
Mar. 31, 2011
3 Months Ended
Jun. 30, 2010
3 Months Ended
Mar. 31, 2010
2011
2010
Stock Repurchased and Retired During Period, Shares
3.9 
 
6.5 
 
8.6 
9.2 
Common Stock Repurchased Under Stock Repurchase Program Average Purchase Price
$ 38.94 
 
$ 27.33 
 
$ 40.71 
$ 27.24 
Common stock repurchased and retired under stock repurchase programs, value
$ 150,000,000 
$ 200,200,000 
$ 177,400,000 
$ 74,400,000 
$ 350,200,000 
$ 251,800,000 
Stock Repurchase Program 2008 [Member]
 
 
 
 
 
 
Common stock authorized for repurchase under the 2010 and 2008 Stock Repurchase Programs
1,000,000,000,000 
 
 
 
 
 
Stock Repurchase Program, Remaining Authorized Repurchase Amount
 
 
 
 
0 
 
Stock Repurchase Program 2010 [Member]
 
 
 
 
 
 
Common stock authorized for repurchase under the 2010 and 2008 Stock Repurchase Programs
1,000,000,000,000 
 
 
 
 
 
Stock Repurchase Program, Remaining Authorized Repurchase Amount
 
 
 
 
$ 404,800,000 
 
Note 11.3 Equity, Stockholders' Equity Activity Level 4 (Details) (USD $)
Share data in Millions, except Per Share data
6 Months Ended
Jun. 30,
3 Months Ended
Jun. 30, 2011
3 Months Ended
Mar. 31, 2011
3 Months Ended
Jun. 30, 2010
3 Months Ended
Mar. 31, 2010
2011
2010
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period
$ 6,896,849,000 
$ 6,608,800,000 
$ 6,121,322,000 
$ 5,824,765,000 
$ 6,608,800,000 
$ 5,824,765,000 
Consolidated net income
115,518,000 
129,660,000 
130,343,000 
164,610,000 
245,178,000 
294,953,000 
Change in net unrealized (loss) gain on investments, net of tax of nil
(1,500,000)
4,400,000 
(1,300,000)
(400,000)
2,900,000 
(1,700,000)
Change in foreign currency translation adjustment, net of tax of nil
2,600,000 
6,600,000 
(4,800,000)
(2,700,000)
9,200,000 
(7,500,000)
Stock Issued During Period, Value, Employee Stock Purchase Plan
 
23,700,000 
 
20,800,000 
 
 
Stock Issued During Period, Value, Stock Options Exercised
37,900,000 
241,700,000 
53,700,000 
101,200,000 
 
 
Value Shares Assumed In Connection With Business Acquisition
 
 
2,300,000 
 
 
 
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
 
 
(1,000,000)
(2,000,000)
 
 
Common stock repurchased and retired under stock repurchase programs, value
(150,000,000)
(200,200,000)
(177,400,000)
(74,400,000)
(350,200,000)
(251,800,000)
Shares Repuchased And Retired Related To Net Issuances
 
(4,900,000)
 
(1,800,000)
 
 
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value
58,600,000 
47,600,000 
43,300,000 
40,600,000 
 
 
Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation
2,000,000 
39,400,000 
5,400,000 
50,600,000 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period
6,961,930,000 
6,896,849,000 
6,171,805,000 
6,121,322,000 
6,961,930,000 
6,171,805,000 
Stock Repurchased and Retired During Period, Shares
3.9 
 
6.5 
 
8.6 
9.2 
Common Stock Repurchased Under Stock Repurchase Program Average Purchase Price
$ 38.94 
 
$ 27.33 
 
$ 40.71 
$ 27.24 
Stock Repurchase Program 2010 [Member]
 
 
 
 
 
 
Stock Repurchase Program, Remaining Authorized Repurchase Amount
 
 
 
 
404,800,000 
 
Common Stock Including Additional Paid in Capital [Member]
 
 
 
 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period
9,998,125,000 
9,717,783,000 
9,267,584,000 
9,060,089,000 
9,717,783,000 
9,060,089,000 
Consolidated net income
0 
0 
0 
0 
 
 
Change in net unrealized (loss) gain on investments, net of tax of nil
0 
0 
0 
0 
 
 
Change in foreign currency translation adjustment, net of tax of nil
0 
0 
0 
0 
 
 
Stock Issued During Period, Value, Employee Stock Purchase Plan
 
23,700,000 
 
20,800,000 
 
 
Stock Issued During Period, Value, Stock Options Exercised
37,900,000 
241,700,000 
53,700,000 
101,200,000 
 
 
Value Shares Assumed In Connection With Business Acquisition
 
 
2,300,000 
 
 
 
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
 
 
0 
0 
 
 
Common stock repurchased and retired under stock repurchase programs, value
(55,200,000)
(70,300,000)
(9,100,000)
(5,700,000)
 
 
Shares Repuchased And Retired Related To Net Issuances
 
(1,800,000)
 
0 
 
 
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value
58,600,000 
47,600,000 
43,300,000 
40,600,000 
 
 
Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation
2,000,000 
39,400,000 
5,400,000 
50,600,000 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period
10,041,423,000 
9,998,125,000 
9,363,244,000 
9,267,584,000 
10,041,423,000 
9,363,244,000 
Accumulated Other Comprehensive Income [Member]
 
 
 
 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period
9,746,000 
(1,251,000)
(4,467,000)
(1,433,000)
(1,251,000)
(1,433,000)
Consolidated net income
0 
0 
0 
0 
 
 
Change in net unrealized (loss) gain on investments, net of tax of nil
(1,500,000)
4,400,000 
(1,300,000)
(400,000)
 
 
Change in foreign currency translation adjustment, net of tax of nil
2,600,000 
6,600,000 
(4,800,000)
(2,700,000)
 
 
Stock Issued During Period, Value, Employee Stock Purchase Plan
 
0 
 
0 
 
 
Stock Issued During Period, Value, Stock Options Exercised
0 
0 
0 
0 
 
 
Value Shares Assumed In Connection With Business Acquisition
 
 
0 
 
 
 
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
 
 
0 
0 
 
 
Common stock repurchased and retired under stock repurchase programs, value
0 
0 
0 
0 
 
 
Shares Repuchased And Retired Related To Net Issuances
 
0 
 
0 
 
 
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value
0 
0 
0 
0 
 
 
Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation
0 
0 
0 
0 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period
10,770,000 
9,746,000 
(10,567,000)
(4,467,000)
10,770,000 
(10,567,000)
Retained Earnings [Member]
 
 
 
 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period
(3,111,537,000)
(3,108,337,000)
(3,143,924,000)
(3,236,525,000)
(3,108,337,000)
(3,236,525,000)
Consolidated net income
115,560,000 
129,750,000 
130,511,000 
163,115,000 
 
 
Change in net unrealized (loss) gain on investments, net of tax of nil
0 
0 
0 
0 
 
 
Change in foreign currency translation adjustment, net of tax of nil
0 
0 
0 
0 
 
 
Stock Issued During Period, Value, Employee Stock Purchase Plan
 
0 
 
0 
 
 
Stock Issued During Period, Value, Stock Options Exercised
0 
0 
0 
0 
 
 
Value Shares Assumed In Connection With Business Acquisition
 
 
0 
 
 
 
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
 
 
0 
0 
 
 
Common stock repurchased and retired under stock repurchase programs, value
(94,800,000)
(129,900,000)
(168,300,000)
(68,700,000)
 
 
Shares Repuchased And Retired Related To Net Issuances
 
(3,100,000)
 
(1,800,000)
 
 
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value
0 
0 
0 
0 
 
 
Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation
0 
0 
0 
0 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period
(3,090,731,000)
(3,111,537,000)
(3,181,733,000)
(3,143,924,000)
(3,090,731,000)
(3,181,733,000)
Noncontrolling Interest [Member]
 
 
 
 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period
510,000 
600,000 
2,124,000 
2,629,000 
600,000 
2,629,000 
Consolidated net income
(142,000)
(90,000)
(168,000)
1,495,000 
 
 
Change in net unrealized (loss) gain on investments, net of tax of nil
0 
0 
0 
0 
 
 
Change in foreign currency translation adjustment, net of tax of nil
0 
0 
0 
0 
 
 
Stock Issued During Period, Value, Employee Stock Purchase Plan
 
0 
 
0 
 
 
Stock Issued During Period, Value, Stock Options Exercised
0 
0 
0 
0 
 
 
Value Shares Assumed In Connection With Business Acquisition
 
 
0 
 
 
 
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
 
 
(1,000,000)
(2,000,000)
 
 
Common stock repurchased and retired under stock repurchase programs, value
0 
0 
0 
0 
 
 
Shares Repuchased And Retired Related To Net Issuances
 
0 
 
0 
 
 
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value
0 
0 
0 
0 
 
 
Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation
0 
0 
0 
0 
 
 
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period
$ 368,000 
$ 510,000 
$ 856,000 
$ 2,124,000 
$ 368,000 
$ 856,000 
Note 12 - Employee Benefit Plans Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,
3 Months Ended
Jun. 30, 2011
month
Year
6 Months Ended
Jun. 30, 2011
day
Year
issuers
month
Dec. 31, 2010
3 Months Ended
Jun. 30, 2011
Stock Options [Member]
Year
6 Months Ended
Jun. 30, 2011
Employee Stock Purchase Plan [Member]
Year
month
2011
Equity Incentive Plan 2006 [Member]
2010
Equity Incentive Plan 2006 [Member]
Share-Based Compensation Plans
 
 
 
 
 
 
 
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price
 
15.00% 
 
 
 
 
 
Periodic Payroll Deduction - Percentage of Base Salary
10.00% 
10.00% 
 
 
 
 
 
Maximum Purchase of Common Stock, Shares
 
 
 
 
6,000 
 
 
ESPP purchase period, share limitation (in months)
 
 
 
 
12 
 
 
Maximum Purchase of Common Stock, Value
 
 
 
 
$ 25,000 
 
 
ESPP purchase period, value limitation (in calendar years)
 
 
 
 
1 
 
 
Number of Shares in Authorized
 
 
 
 
 
64,500,000 
 
Maximum Additional Shares Expire Unexercised, Under 1996 and 2000 Plan
75,000,000 
75,000,000 
 
 
 
 
 
Additional Authorized Share Reserve Approved By Shareholders
 
30,000,000 
 
 
 
30,000,000 
30,000,000 
Number of Shares Outstanding
 
 
 
 
 
59,000,000 
 
Number of Shares Available for Future Issuance
 
 
30,700,000 
 
 
42,600,000 
 
Outstanding Stock Options and RSU's Covering Shares of Common Stock
1,600,000 
1,600,000 
 
 
 
 
 
Stock Option Activities
 
 
 
 
 
 
 
Share-based compensation stock option contractual life from grant date since 2006, in years
 
 
 
7 
 
 
 
Share-based compensation stock option contractual life from grant date, prior to 2006, in years
 
 
 
10 
 
 
 
Beginning Balance, Number of Shares
 
49,400,000 
 
 
 
 
 
Beginning Balance, Weighted Average Exercise Price
 
$ 21.9 
 
 
 
 
 
Options Granted, Number of Shares
 
4,500,000 
 
 
 
 
 
Options Granted, Weighted Average Exercise Price
$ 41.10 
$ 41.10 
 
 
 
 
 
Options Canceled, Number of Shares
 
(1,000,000)1
 
 
 
 
 
Options Canceled, Weighted Average Exercise Price
$ 25.17 
$ 25.17 
 
 
 
 
 
Options Exercised, Number of Shares
 
(13,000,000)
 
 
 
 
 
Options Exercised, Weighted Average Exercise Price
$ 21.52 
$ 21.52 
 
 
 
 
 
Options Expired, Number of Shares
 
(200,000)1
 
 
 
 
 
Options Expired, Weighted Average Exercise Price
$ 48.40 
$ 48.40 
 
 
 
 
 
Ending Balance, Number of Shares
39,700,000 
39,700,000 
 
 
 
 
 
Ending Balance, Weighted Average Exercise Price
$ 23.98 
$ 23.98 
 
 
 
 
 
Weighted Average Remaining Contractual Term at Period End
4.2 
4.2 
 
 
 
 
 
Aggregate Intrinsic Value at Period End
345,000,000 
345,000,000 
 
 
 
 
 
Vested or Expected-to-Vest Options, Number of Shares at Period End
37,300,000 
37,300,000 
 
 
 
 
 
Vested or Expected-to-Vest Options, Weighted Average Exercise Price at Period End
$ 23.52 
$ 23.52 
 
 
 
 
 
Vested and Expected-to-Vest Options, Weighted Average Remaining Contractual Term at Period End
 
4.1 
 
 
 
 
 
Vested or Expected-to-Vest Options, Aggregate Intrinsic Value at Period End
334,600,000 
334,600,000 
 
 
 
 
 
Exercisable Options, Number of Shares at Period End
24,000,000 
24,000,000 
 
 
 
 
 
Exercisable Options, Weighted Average Exercise Price at Period End
$ 21.05 
$ 21.05 
 
 
 
 
 
Exercisable Options, Weighted Average Remaining Contractual Term at Period End
 
3.3 
 
 
 
 
 
Exercisable Options, Aggregate Intrinsic Value at Period End
253,000,000 
253,000,000 
 
 
 
 
 
Closing Stock Price At Plan Period End
$ 31.50 
$ 31.50 
 
 
 
 
 
Intrinsic Value of Options Exercise, Pre-Tax
29,500,000 
240,900,000 
 
 
 
 
 
Total Fair Value of Options Vested
$ 18,600,000 
$ 46,200,000 
 
 
 
 
 
Note 12.2 - Employee Benefit Plans, Share Based Compensation, Equity Instruments Other Than Options Level 4 (Details) (USD $)
In Millions, except Share data, unless otherwise specified
6 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,		 3 Months Ended
Jun. 30,
2011
day
Year
issuers
month
2010
Dec. 31, 2010
6 Months Ended
Jun. 30, 2011
Restricted Stock Units (RSUs) [Member]
3 Months Ended
Jun. 30, 2011
Restricted Stock Units (RSUs) [Member]
Minimum [Member]
Year
2011
Restricted Stock Units (RSUs) [Member]
Maximum [Member]
Year
2011
Performance Share Awards [Member]
Jun. 30, 2011
Restricted Stock Units and Performance Share Awards [Member]
Dec. 31, 2010
Restricted Stock Units and Performance Share Awards [Member]
2011
Employee Stock Purchase Plan [Member]
2010
Employee Stock Purchase Plan [Member]
6 Months Ended
Jun. 30, 2011
Employee Stock Purchase Plan [Member]
Year
month
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
 
 
 
 
 
 
 
 
 
 
 
 
Restricted Stock Units Vest From Grant Date In Years
 
 
 
 
3 
4 
 
 
 
 
 
 
Share-Based Compensation Arrangement Vesting Period PSA in Years
3 
 
 
 
 
 
 
 
 
 
 
 
Restricted Stock Units And Performance Share Awards Activities
 
 
 
 
 
 
 
 
 
 
 
 
Beginning Balance, Number of Shares
 
 
 
 
 
 
 
19,300,000 
14,200,000 
 
 
 
Beginning Balance, Weighted Average Grant-Date Fair Value
 
 
 
 
 
 
 
$ 32.04 
$ 25.94 
 
 
 
Awards Granted, Number of Shares
16,900,000 1
 
 
4,200,000 
 
 
3,800,000 2
 
 
 
 
 
Awards Granted, Weighted Average Grant-Date Fair Value
 
 
 
$ 39.76 
 
 
$ 41.13 2
 
 
 
 
 
Awards Vested, Number of Shares
 
 
 
(1,300,000)
 
 
(600,000)
 
 
 
 
 
Awards Vested, Weighted Average Grant-Date Fair Value
 
 
 
$ 22.50 
 
 
$ 25.45 
 
 
 
 
 
Awards Canceled, Number of Shares
(2,100,000)1
 
 
(300,000)
 
 
(700,000)
 
 
 
 
 
Awards Canceled, Weighted Average Grant-Date Fair Value
 
 
 
$ 29.56 
 
 
$ 27.41 
 
 
 
 
 
Ending Balance, Number of Shares
 
 
 
 
 
 
 
19,300,000 
14,200,000 
 
 
 
Ending Balance, Weighted Average Grant-Date Fair Value
 
 
 
 
 
 
 
$ 32.04 
$ 25.94 
 
 
 
RSUs and PSAs, Weighted Average Remaining Contractual Term at Period End
1.9 
 
 
 
 
 
 
 
 
 
 
 
RSUs and PSAs, Aggregate Intrinsic Value at Period End
$ 616.1 
 
 
 
 
 
 
 
 
 
 
 
Vested and Expected-to-Vest RSUs and PSAs, Number of Shares at Period End
16,400,000 
 
 
 
 
 
 
 
 
 
 
 
Vested and Expected-to-Vest RSUs and PSAs, Weighted Average Grant-Date Fair Value at Period End
$ 31.60 
 
 
 
 
 
 
 
 
 
 
 
Vested and Expected-to-Vest RSUs and PSAs, Weighted Average Remaining Contractual Term at Period End
1.8 
 
 
 
 
 
 
 
 
 
 
 
Vested and Expected-to-Vest RSUs and PSAs, Aggregate Intrinsic Value at Period End
$ 516.0 
 
 
 
 
 
 
 
 
 
 
 
Aggregate Number Of Shares Subject to PSAs Granted
 
 
 
 
 
 
1,800,000 
 
 
 
 
 
Minimum shares to be Issued on achievement of performance goals in respect of PSAs
 
 
 
 
 
 
0 
 
 
 
 
 
Maximum shares to be issued on achievement of performance goals in respect of PSAs
 
 
 
 
 
 
3,800,000 
 
 
 
 
 
Employee Stock Purchase Plan
 
 
 
 
 
 
 
 
 
 
 
 
Stock based compensation incremental Board approved offering period in months
 
 
 
 
 
 
 
 
 
 
 
6 
Stock Issued During Period, Shares, Employee Stock Purchase Plans
1,000,000 
1,000,000 
 
 
 
 
 
 
 
0 
0 
 
Average Price of Common Stock, Per Share
$ 23.89 
$ 21.11 
 
 
 
 
 
 
 
 
 
 
Common Stock, Shares, Issued
532,524,000 
 
525,378,000 
 
 
 
 
 
 
4,600,000 
 
4,600,000 
Common Stock, Capital Shares Reserved for Future Issuance
109,000,000 
 
 
 
 
 
 
 
 
7,400,000 
 
7,400,000 
Note 12.3 - Employee Benefit Plans, Shares Available For Grant Level 4 (Details)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2011
Shares Available For Grant
 
Beginning Balance, Number of Shares
30.7 
Additional Authorized Share Reserve Approved By Shareholders
30.0 
Awards Granted, Number of Shares
(16.9)1
Options Granted, Number of Shares
(4.5)
Awards Canceled, Number of Shares
2.1 1
Options Canceled, Number of Shares
1.0 2
Options Expired, Number of Shares
0.2 2
Common Stock, Capital Shares Reserved for Future Issuance
109.0 
Employee Stock Purchase Plan [Member]
 
Shares Available For Grant
 
Common Stock, Capital Shares Reserved for Future Issuance
7.4 
Restricted Stock Units and Performance Share Awards [Member]
 
Shares Available For Grant
 
Fair Market Value on Date of Grant For RSUS And PSAS Issued at Discount, Maximum Percentage
100.00% 
Common Stock for Each Share Subject to RSUs and PSAs
2.1 
Note 12.4 - Employee Benefit Plans, Assumptions and Resulting Estimates of Fair Value Level 4 (Details)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
Year
2010
Year
2011
Year
2010
Year
Stock Options [Member]
 
 
 
 
Estimates of Fair Value
 
 
 
 
Volatility - Lower Range
41.00% 
33.00% 
41.00% 
33.00% 
Volatility - Higher Range
42.00% 
41.00% 
42.00% 
41.00% 
Risk-free Interest Rate - Lower Range
1.20% 
1.70% 
1.20% 
1.70% 
Riskfree Interest Rate - Higher Range
1.70% 
2.20% 
1.90% 
2.20% 
Expected Term
4.1 
4.3 
4.1 
4.3 
Stock Options [Member] |
Minimum [Member]
 
 
 
 
Estimates of Fair Value
 
 
 
 
Dividend yield
0.00% 
0.00% 
0.00% 
0.00% 
Weighted-average fair value per share
$ 10.12 
$ 7.83 
$ 10.12 
$ 7.83 
Stock Options [Member] |
Maximum [Member]
 
 
 
 
Estimates of Fair Value
 
 
 
 
Dividend yield
0.00% 
0.00% 
0.00% 
0.00% 
Weighted-average fair value per share
$ 13.65 
$ 30.36 
$ 15.22 
$ 30.36 
Employee Stock Purchase Plan [Member]
 
 
 
 
Estimates of Fair Value
 
 
 
 
Expected Volatility Rate
33.00% 
35.00% 
33.00% 
35.00% 
Risk Free Interest Rate
1.80% 
1.70% 
1.80% 
1.70% 
Expected Term
0.5 
0.5 
0.5 
0.5 
Dividend yield
0.00% 
0.00% 
0.00% 
0.00% 
Weighted-average fair value per share
$ 9.07 
$ 6.19 
$ 9.07 
$ 6.19 
Note 12.5 - Employee Benefit Plans, Share Based Compensation by Cost and Expense Categories Level 4 (Details) (USD $)
In Millions
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Stock Based Compensation Expense Recorded in Cost and Expense Categories
 
 
 
 
Share-Based Compensation Expense
$ 60.1 
$ 44.6 
$ 109.2 
$ 85.2 
Cost of Revenues, Product [Member]
 
 
 
 
Stock Based Compensation Expense Recorded in Cost and Expense Categories
 
 
 
 
Share-Based Compensation Expense
1.2 
1.0 
2.2 
2.1 
Cost of Revenues, Service [Member]
 
 
 
 
Stock Based Compensation Expense Recorded in Cost and Expense Categories
 
 
 
 
Share-Based Compensation Expense
4.4 
3.2 
8.4 
6.7 
Research and Development Expense [Member]
 
 
 
 
Stock Based Compensation Expense Recorded in Cost and Expense Categories
 
 
 
 
Share-Based Compensation Expense
26.6 
18.7 
48.9 
35.7 
Selling and Marketing Expense [Member]
 
 
 
 
Stock Based Compensation Expense Recorded in Cost and Expense Categories
 
 
 
 
Share-Based Compensation Expense
19.2 
13.9 
32.4 
25.6 
General and Administrative Expense [Member]
 
 
 
 
Stock Based Compensation Expense Recorded in Cost and Expense Categories
 
 
 
 
Share-Based Compensation Expense
$ 8.7 
$ 7.8 
$ 17.3 
$ 15.1 
Note 12.6 - Employee Benefit Plans, Share Based Compensation by Share Based Payment Award Types Level 4 (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Dec. 31, 2010
Share-based Compensation Expense by Award Type
 
 
 
 
 
Share-Based Compensation Expense, Total
$ 60.1 
$ 44.6 
$ 109.2 
$ 85.2 
 
Employee Benefit Textuals [Abstract]
 
 
 
 
 
Employee Contribution Matched in Percent
 
 
25.00% 
 
 
Matching Contributions to Plan
4.7 
3.5 
9.8 
7.5 
 
Deferred Compensation Liability
11.3 
 
11.3 
 
8.1 
Stock Options [Member]
 
 
 
 
 
Share-based Compensation Expense by Award Type
 
 
 
 
 
Share-Based Compensation Expense, Total
19.9 
20.8 
39.6 
40.9 
 
Employee Benefit Textuals [Abstract]
 
 
 
 
 
Unrecognized Compensation Cost Related to Unvested Stock Options - Adjusted for Forfeitures
121.5 
 
121.5 
 
 
Weighted Average Period that Unrecognized Compensation Cost Will be Recognized (years)
 
 
2.5 
 
 
Assumed Options [Member]
 
 
 
 
 
Share-based Compensation Expense by Award Type
 
 
 
 
 
Share-Based Compensation Expense, Total
0 
0.6 
0 
0.6 
 
RSU's and PSA's
 
 
 
 
 
Share-based Compensation Expense by Award Type
 
 
 
 
 
Share-Based Compensation Expense, Total
34.5 
19.2 
58.0 
35.5 
 
Employee Benefit Textuals [Abstract]
 
 
 
 
 
Unrecognized Compensation Cost Related to Unvested Stock Options - Adjusted for Forfeitures
277.4 
 
277.4 
 
 
Weighted Average Period that Unrecognized Compensation Cost Will be Recognized (years)
 
 
2.40 
 
 
Assumed Restricted Stock Units [Member]
 
 
 
 
 
Share-based Compensation Expense by Award Type
 
 
 
 
 
Share-Based Compensation Expense, Total
0 
0.5 
0 
0.5 
 
Employee Stock Purchase Plan [Member]
 
 
 
 
 
Share-based Compensation Expense by Award Type
 
 
 
 
 
Share-Based Compensation Expense, Total
4.2 
2.2 
8.6 
6.4 
 
Other Acquisition Related Compensation [Member]
 
 
 
 
 
Share-based Compensation Expense by Award Type
 
 
 
 
 
Share-Based Compensation Expense, Total
$ 1.5 
$ 1.3 
$ 3.0 
$ 1.3 
 
Note 13 - Segments Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Net Revenues [Abstract]
 
 
 
 
Total net revenues
$ 1,120,544,000 
$ 978,300,000 
$ 2,222,156,000 
$ 1,890,918,000 
Segment Operating Income [Abstract]
 
 
 
 
Total segment operating income
242,200,000 
233,800,000 
488,000,000 
445,400,000 
Amortization of purchased intangible assets
(6,800,000)1
(1,500,000)1
(13,500,000)1
(2,600,000)1
Share-based Compensation Expense
(60,100,000)
(44,600,000)
(109,200,000)
(85,200,000)
Share-based payroll tax expense
(1,100,000)
(1,900,000)
(9,000,000)
(3,400,000)
Restructuring
916,000 
(264,000)
1,263,000 
(8,369,000)
Acquisition-related charges
(4,200,000)2
(500,000)2
(9,300,000)2
(500,000)2
Operating income
170,920,000 
184,978,000 
348,313,000 
345,250,000 
Other (expense) income, net
(13,688,000)
4,065,000 
(20,150,000)
5,524,000 
Income before income taxes and noncontrolling interest
157,232,000 
189,043,000 
328,163,000 
350,774,000 
Infrastructure Segment [Member]
 
 
 
 
Net Revenues [Abstract]
 
 
 
 
Total net revenues
884,000,000 
720,400,000 
1,738,800,000 
1,399,000,000 
Segment Operating Income [Abstract]
 
 
 
 
Total segment operating income
209,700,000 
181,200,000 
419,100,000 
357,700,000 
Depreciation by Segment [Abstract]
 
 
 
 
Depreciation expense
26,900,000 
26,400,000 
52,600,000 
51,100,000 
Infrastructure Routers [Member]
 
 
 
 
Net Revenues [Abstract]
 
 
 
 
Total net revenues
761,500,000 
628,100,000 
1,510,500,000 
1,229,500,000 
Infrastructure Switches [Member]
 
 
 
 
Net Revenues [Abstract]
 
 
 
 
Total net revenues
122,500,000 
92,300,000 
228,300,000 
169,500,000 
Service Layer Technologies Segment [Member]
 
 
 
 
Net Revenues [Abstract]
 
 
 
 
Total net revenues
236,500,000 
257,900,000 
483,400,000 
491,900,000 
Segment Operating Income [Abstract]
 
 
 
 
Total segment operating income
32,500,000 
52,600,000 
68,900,000 
87,700,000 
Depreciation by Segment [Abstract]
 
 
 
 
Depreciation expense
$ 8,200,000 
$ 9,600,000 
$ 16,500,000 
$ 19,100,000 
Note 13.2 - Segments, Geographical Level 4 (Details) (USD $)
In Thousands
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Net Revenues by Geographic Region [Line Items]
 
 
 
 
Total net revenues
$ 1,120,544 
$ 978,300 
$ 2,222,156 
$ 1,890,918 
United States
 
 
 
 
Net Revenues by Geographic Region [Line Items]
 
 
 
 
Total net revenues
523,900 
439,900 
1,049,900 
886,800 
Other Americas [Member]
 
 
 
 
Net Revenues by Geographic Region [Line Items]
 
 
 
 
Total net revenues
54,800 
54,300 
110,400 
95,900 
Total Americas [Member]
 
 
 
 
Net Revenues by Geographic Region [Line Items]
 
 
 
 
Total net revenues
578,700 
494,200 
1,160,300 
982,700 
Europe Middle East And Africa [Member]
 
 
 
 
Net Revenues by Geographic Region [Line Items]
 
 
 
 
Total net revenues
329,000 
289,500 
629,000 
553,600 
Asia Pacific [Member]
 
 
 
 
Net Revenues by Geographic Region [Line Items]
 
 
 
 
Total net revenues
$ 212,800 
$ 194,600 
$ 432,900 
$ 354,600 
Note 13.3 - Segments, Major Customers Level 4 (Details)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
Sales Revenue, Segment [Member]
Customer Concentration Risk [Member]
Customer
2010
Sales Revenue, Segment [Member]
Customer Concentration Risk [Member]
Customer
2011
Sales Revenue, Segment [Member]
Customer Concentration Risk [Member]
Customer
2010
Sales Revenue, Segment [Member]
Customer Concentration Risk [Member]
Customer
Jun. 30, 2011
UNITED STATES
Property, Plant, and Equipment [Member]
Geographic Concentration Risk [Member]
Dec. 31, 2010
UNITED STATES
Property, Plant, and Equipment [Member]
Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
 
 
 
 
 
 
Number of Customers Accounting for Ten Percent or More of Net Revenues
0 
0 
0 
1 
 
 
Concentration Risk Percentage (Duration)
 
 
 
10.70% 
 
 
Concentration Risk, Percentage
 
 
 
 
80.00% 
80.00% 
Note 14 - Income Taxes Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Income Tax Contingency [Line Items]
 
 
 
 
Income tax provision
$ 41,714,000 
$ 58,700,000 
$ 82,985,000 
$ 55,821,000 
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
 
 
 
 
Effective tax rate
26.50% 
31.00% 
25.30% 
16.00% 
Federal statutory rate
35.00% 
35.00% 
35.00% 
35.00% 
Income tax benefit from change in estimate of unrecognized tax benefits related to share-based compensation
 
 
 
54,100,000 
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance
 
2,700,000 
 
5,200,000 
Possible decrease in gross unrecognized tax benefits within next 12 months
4,700,000 
 
4,700,000 
 
Domestic Country [Member]
 
 
 
 
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
 
 
 
 
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions
 
 
2,200,000 
 
Foreign Country [Member]
 
 
 
 
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
 
 
 
 
Number of Ongoing Tax Examinations
2 
 
2 
 
Interest and penalties recorded
$ 4,600,000 
 
$ 4,600,000 
 
Note 15 - Commitments and Contingencies Level 4 (Details) (USD $)
3 Months Ended
Jun. 30,		 6 Months Ended
Jun. 30,
2011
2010
2011
2010
Summarization of principal contractual obligations
 
 
 
 
Operating leases
$ 342,100,000 
 
$ 342,100,000 
 
Purchase commitments
151,700,000 
 
151,700,000 
 
Long-term income taxes payable
106,261,000 
 
106,261,000 
 
Senior Notes
1,000,000,000 
 
1,000,000,000 
 
Interest Payable
900,200,000 
 
900,200,000 
 
Other contractual obligations
83,900,000 
 
83,900,000 
 
Total
2,584,200,000 
 
2,584,200,000 
 
Commitments Textuals [Abstract]
 
 
 
 
Rent expense
17,800,000 
13,700,000 
32,600,000 
27,800,000 
Accrual for estimated carrying charges or obsolete materials charges
12,900,000 
 
12,900,000 
 
Indemnity-related and service-related escrows
39,300,000 
 
39,300,000 
 
Principal Contractual Obligations Maturity Period Current Year [Member]
 
 
 
 
Summarization of principal contractual obligations
 
 
 
 
Operating leases
27,700,000 
 
27,700,000 
 
Purchase commitments
151,700,000 
 
151,700,000 
 
Long-term income taxes payable
0 
 
0 
 
Senior Notes
0 
 
0 
 
Interest Payable
27,100,000 
 
27,100,000 
 
Other contractual obligations
65,600,000 
 
65,600,000 
 
Total
272,100,000 
 
272,100,000 
 
Principal Contractual Obligations Maturity Period Year One [Member]
 
 
 
 
Summarization of principal contractual obligations
 
 
 
 
Operating leases
51,400,000 
 
51,400,000 
 
Purchase commitments
0 
 
0 
 
Long-term income taxes payable
0 
 
0 
 
Senior Notes
0 
 
0 
 
Interest Payable
46,900,000 
 
46,900,000 
 
Other contractual obligations
8,500,000 
 
8,500,000 
 
Total
106,800,000 
 
106,800,000 
 
Principal Contractual Obligations Maturity Period Year Two [Member]
 
 
 
 
Summarization of principal contractual obligations
 
 
 
 
Operating leases
43,900,000 
 
43,900,000 
 
Purchase commitments
0 
 
0 
 
Long-term income taxes payable
0 
 
0 
 
Senior Notes
0 
 
0 
 
Interest Payable
46,900,000 
 
46,900,000 
 
Other contractual obligations
4,800,000 
 
4,800,000 
 
Total
95,600,000 
 
95,600,000 
 
Principal Contractual Obligations Maturity Period Year Three [Member]
 
 
 
 
Summarization of principal contractual obligations
 
 
 
 
Operating leases
58,100,000 
 
58,100,000 
 
Purchase commitments
0 
 
0 
 
Long-term income taxes payable
0 
 
0 
 
Senior Notes
0 
 
0 
 
Interest Payable
46,900,000 
 
46,900,000 
 
Other contractual obligations
3,000,000 
 
3,000,000 
 
Total
108,000,000 
 
108,000,000 
 
Principal Contractual Obligations Maturity Period Year Four [Member]
 
 
 
 
Summarization of principal contractual obligations
 
 
 
 
Operating leases
48,600,000 
 
48,600,000 
 
Purchase commitments
0 
 
0 
 
Long-term income taxes payable
0 
 
0 
 
Senior Notes
0 
 
0 
 
Interest Payable
46,900,000 
 
46,900,000 
 
Other contractual obligations
2,000,000 
 
2,000,000 
 
Total
97,500,000 
 
97,500,000 
 
Principal Contractual Obligations Maturity Period After Year Four [Member]
 
 
 
 
Summarization of principal contractual obligations
 
 
 
 
Operating leases
112,400,000 
 
112,400,000 
 
Purchase commitments
0 
 
0 
 
Long-term income taxes payable
0 
 
0 
 
Senior Notes
1,000,000,000 
 
1,000,000,000 
 
Interest Payable
685,500,000 
 
685,500,000 
 
Other contractual obligations
0 
 
0 
 
Total
1,797,900,000 
 
1,797,900,000 
 
Principal Contractual Obligations Other [Member]
 
 
 
 
Summarization of principal contractual obligations
 
 
 
 
Operating leases
0 
 
0 
 
Purchase commitments
0 
 
0 
 
Long-term income taxes payable
106,261,000 
 
106,261,000 
 
Senior Notes
0 
 
0 
 
Interest Payable
0 
 
0 
 
Other contractual obligations
0 
 
0 
 
Total
$ 106,261,000 
 
$ 106,261,000 
 
Note 15.2 - Commitments and Contingencies, Guarantees Level 4 (Details) (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Guarantor Obligations [Line Items]
 
 
Guarantor obligations, current carrying value
$ 23.2 
$ 21.6 
Note 15.3 - Commitments and Contingencies, Legal Proceedings Level 4 (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2011
day
Year
issuers
month
Loss Contingencies [Line Items]
 
Number of other issuers included in IPO lawsuit allegations
300 
Estimated Incremental Tax Liability Excluding Interest And Penalties Related to PNOD
$ 92 
Estimated incremental tax liability excluding interest and penalties related to NOPA
$ 807 
Note 16 - Subsequent Events Level 4 (Details) (USD $)
In Millions, except Per Share data
6 Months Ended
Jun. 30,
3 Months Ended
Jun. 30, 2011
3 Months Ended
Mar. 31, 2011
3 Months Ended
Jun. 30, 2010
3 Months Ended
Mar. 31, 2010
2011
2010
Subsequent Event [Line Items]
 
 
 
 
 
 
Common stock repurchased and retired under stock repurchase programs, shares
3.9 
 
6.5 
 
8.6 
9.2 
Common stock repurchased and retired under stock repurchase programs, value
$ 150.0 
$ 200.2 
$ 177.4 
$ 74.4 
$ 350.2 
$ 251.8 
Common Stock Repurchased Under Stock Repurchase Program Average Purchase Price
$ 38.94 
 
$ 27.33 
 
$ 40.71 
$ 27.24 
Repurchase of Equity [Member]
 
 
 
 
 
 
Subsequent Event [Line Items]
 
 
 
 
 
 
Common stock repurchased and retired under stock repurchase programs, shares
 
 
 
 
2.8 
 
Common stock repurchased and retired under stock repurchase programs, value
 
 
 
 
66.0 
 
Common Stock Repurchased Under Stock Repurchase Program Average Purchase Price
 
 
 
 
$ 23.16 
 
Stock repurchase program remaining authorized funds
 
 
 
 
$ 338.8