$JNPR
JUNIPER NETWORKS INC Stock $jnpr

$jnpr Overview Financials Valuation SEC Filings Company Website

2012 Q1 Form 10-Q Financial Statement

#000104360412000010 Filed on May 09, 2012

Income Statement

Concept	2012 Q1	2011 Q1
Revenue	$1.033B	$1.102B
YoY Change	-6.27%	20.71%
Cost Of Revenue	$398.4M	$365.7M
YoY Change	8.94%	21.66%
Gross Profit	$634.1M	$735.9M
YoY Change	-13.83%	20.25%
Gross Profit Margin	61.41%	66.8%
Selling, General & Admin	$314.8M	$291.2M
YoY Change	8.1%	23.65%
% of Gross Profit	49.65%	39.57%
Research & Development	$269.6M	$262.0M
YoY Change	2.9%	26.57%
% of Gross Profit	42.52%	35.6%
Depreciation & Amortization	$43.40M	$40.76M
YoY Change	6.48%	15.56%
% of Gross Profit	6.84%	5.54%
Operating Expenses	$586.4M	$558.5M
YoY Change	5.0%	23.64%
Operating Profit	$47.70M	$177.4M
YoY Change	-73.11%	10.67%
Interest Expense	$14.20M	$6.500M
YoY Change	118.46%	306.25%
% of Operating Profit	29.77%	3.66%
Other Income/Expense, Net	-$24.40M	-$6.500M
YoY Change	275.38%	-564.29%
Pretax Income	$23.30M	$170.9M
YoY Change	-86.37%	5.69%
Income Tax	$7.000M	$41.30M
% Of Pretax Income	30.04%	24.17%
Net Earnings	$16.30M	$129.7M
YoY Change	-87.43%	-20.48%
Net Earnings / Revenue	1.58%	11.77%
Basic Earnings Per Share	$0.03	$0.24
Diluted Earnings Per Share	$0.03	$0.24
COMMON SHARES
Basic Shares Outstanding	527.2M shares	530.8M shares
Diluted Shares Outstanding	533.7M shares	548.8M shares

Balance Sheet

Concept	2012 Q1	2011 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$2.913B	$2.944B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory	$92.00M
Prepaid Expenses
Receivables	$451.0M	$471.0M
Other Receivables
Total Short-Term Assets	$4.231B	$4.304B
YoY Change	-1.71%
LONG-TERM ASSETS
Property, Plant & Equipment	$647.4M	$516.4M
YoY Change	25.36%
Goodwill	$3.988B	$3.927B
YoY Change	1.54%
Intangibles	$152.5M	$143.5M
YoY Change	6.3%
Long-Term Investments
YoY Change
Other Assets	$58.55M	$54.31M
YoY Change	7.82%
Total Long-Term Assets	$5.714B	$5.389B
YoY Change	6.03%
TOTAL ASSETS
Total Short-Term Assets	$4.231B	$4.304B
Total Long-Term Assets	$5.714B	$5.389B
Total Assets	$9.945B	$9.694B
YoY Change	2.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$195.4M	$228.3M
YoY Change	-14.39%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.361B	$1.404B
YoY Change	-3.06%
LONG-TERM LIABILITIES
Long-Term Debt	$999.1M	$998.9M
YoY Change	0.01%
Other Long-Term Liabilities	$61.91M	$75.53M
YoY Change	-18.04%
Total Long-Term Liabilities	$1.061B	$1.074B
YoY Change	-1.25%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.361B	$1.404B
Total Long-Term Liabilities	$1.061B	$1.074B
Total Liabilities	$2.422B	$2.478B
YoY Change	-2.28%
SHAREHOLDERS EQUITY
Retained Earnings	-$2.975B	-$3.112B
YoY Change	-4.4%
Common Stock		$9.998B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$7.172B	$6.896B
YoY Change
Total Liabilities & Shareholders Equity	$9.945B	$9.694B
YoY Change	2.59%

Cashflow Statement

Concept	2012 Q1	2011 Q1
OPERATING ACTIVITIES
Net Income	$16.30M	$129.7M
YoY Change	-87.43%	-20.48%
Depreciation, Depletion And Amortization	$43.40M	$40.76M
YoY Change	6.48%	15.56%
Cash From Operating Activities	$102.3M	$239.7M
YoY Change	-57.31%	170.65%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions	$90.50M	$28.57M
YoY Change	216.73%
Other Investing Activities
YoY Change
Cash From Investing Activities	-$93.30M	-$209.2M
YoY Change	-55.41%	541.46%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$18.30M	-$58.94M
YoY Change	-131.05%	38.05%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$6.300M	$1.102B
YoY Change	-100.57%	1641.11%
NET CHANGE
Cash From Operating Activities	$102.3M	$239.7M
Cash From Investing Activities	-$93.30M	-$209.2M
Cash From Financing Activities	-$6.300M	$1.102B
Net Change In Cash	$2.700M	$1.132B
YoY Change	-99.76%	849.87%
FREE CASH FLOW
Cash From Operating Activities	$102.3M	$239.7M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	577386000	USD
CY2012Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	450987000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	12545000	USD
CY2012Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2566000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	108471000	USD
CY2012Q1	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	111368000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-17590000	USD
CY2012Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-712000	USD
CY2012Q1	us-gaap	Acquisition Costs AcquisitionCosts	1142000	USD
CY2011Q1	us-gaap	Acquisition Costs AcquisitionCosts	4101000	USD
CY2012Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	10147785000	USD
CY2012Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	195420000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	324843000	USD
CY2011Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	10079169000	USD
CY2011Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	49000000	USD
CY2012Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	65000000	USD
CY2011Q1	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	0	USD
CY2012Q1	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	236000	USD
CY2012Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1178000	USD
CY2011Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1544000	USD
CY2012Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	30600000	shares
CY2011Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5800000	shares
CY2012Q1	us-gaap	Assets Assets	9945023000	USD
CY2011Q4	us-gaap	Assets Assets	9983820000	USD
CY2012Q1	us-gaap	Assets Current AssetsCurrent	4231018000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	4439661000	USD
CY2012Q1	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2634100000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2722800000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	599700000	USD
CY2012Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	383400000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	599400000	USD
CY2012Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	383000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	300000	USD
CY2012Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	400000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	783600000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	785300000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1847900000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1848200000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	14500000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	15800000	USD
CY2012Q1	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	2637400000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	2723400000	USD
CY2012Q1	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	400000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	800000	USD
CY2011Q4	us-gaap	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	135	investments
CY2012Q1	us-gaap	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	89	investments
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses1	0	USD
CY2012Q1	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses1	0	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses1	800000	USD
CY2012Q1	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses1	400000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses1	800000	USD
CY2012Q1	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses1	400000	USD
CY2012Q1	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	3700000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	1400000	USD
CY2012Q1	us-gaap	Business Acquisition Cost Of Acquired Entity Purchase Price BusinessAcquisitionCostOfAcquiredEntityPurchasePrice	95600000	USD
CY2012Q1	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Amount BusinessAcquisitionPurchasePriceAllocationGoodwillAmount	59600000	USD
CY2012Q1	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	0	USD
CY2012Q1	us-gaap	Business Acquisition Purchase Price Allocation Net Tangible Assets BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets	-700000	USD
CY2011Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	5100000	USD
CY2012Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1100000	USD
CY2012Q1	us-gaap	Business Combination Pro Forma Information Disclosure Impracticable BusinessCombinationProFormaInformationDisclosureImpracticable	not material
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2910420000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2913095000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1811887000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2944383000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1132496000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2675000	USD
CY2012Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q1	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	93000000	shares
CY2012Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.00001
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.00001
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2012Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2012Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	529177000	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	526409000	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	526409000	shares
CY2012Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	529177000	shares
CY2011Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	5000	USD
CY2012Q1	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	5000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33148000	USD
CY2011Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	140847000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2011Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-100000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	33200000	USD
CY2011Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	140700000	USD
CY2011Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	265746000	USD
CY2012Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	280629000	USD
CY2011Q1	us-gaap	Cost Of Revenue CostOfRevenue	365727000	USD
CY2012Q1	us-gaap	Cost Of Revenue CostOfRevenue	398443000	USD
CY2011Q1	us-gaap	Cost Of Services CostOfServices	99981000	USD
CY2012Q1	us-gaap	Cost Of Services CostOfServices	117814000	USD
CY2012Q1	us-gaap	Costmethod Investments Other Than Temporary Impairment CostmethodInvestmentsOtherThanTemporaryImpairment	14000000	USD
CY2012Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1000000000	USD
CY2012Q1	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	900000	USD
CY2012Q1	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	11900000	USD
CY2011Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	9300000	USD
CY2011Q4	us-gaap	Deferred Revenue DeferredRevenue	967000000	USD
CY2012Q1	us-gaap	Deferred Revenue DeferredRevenue	999600000	USD
CY2012Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	760621000	USD
CY2011Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	712663000	USD
CY2012Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	238964000	USD
CY2011Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	254364000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	168214000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	154310000	USD
CY2011Q1	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	5100000	USD
CY2012Q1	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	6600000	USD
CY2012Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	43396000	USD
CY2011Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	40758000	USD
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2012Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.301	pure
CY2011Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.241	pure
CY2012Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2011Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	223018000	USD
CY2012Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	209263000	USD
CY2012Q1	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4319000	USD
CY2011Q1	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	39041000	USD
CY2012Q1	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	4319000	USD
CY2011Q1	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	39041000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	478000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	470700000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Future Amortization Expense FiniteLivedIntangibleAssetsFutureAmortizationExpense	145700000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	623700000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	591000000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	145700000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	120300000	USD
CY2012Q1	us-gaap	Future Amortization Expense After Year Five FutureAmortizationExpenseAfterYearFive	16100000	USD
CY2012Q1	us-gaap	Future Amortization Expense Remainder Of Fiscal Year FutureAmortizationExpenseRemainderOfFiscalYear	26200000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	11100000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	24800000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	32800000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	34700000	USD
CY2012Q1	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	849700000	USD
CY2012Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	14700000	USD
CY2011Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	16700000	USD
CY2011Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	USD
CY2012Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-14000000	USD
CY2012Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	54666000	USD
CY2011Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	44924000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	3928144000	USD
CY2012Q1	us-gaap	Goodwill Goodwill	3987707000	USD
CY2012Q1	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	59600000	USD
CY2011Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2012Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2012Q1	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	0	USD
CY2012Q1	us-gaap	Gross Profit GrossProfit	634055000	USD
CY2011Q1	us-gaap	Gross Profit GrossProfit	735885000	USD
CY2012Q1	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2011Q1	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	23278000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	170931000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7008000	USD
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	41271000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-58468000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-126846000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-126462000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-125610000	USD
CY2011Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	38099000	USD
CY2012Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-3750000	USD
CY2012Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	32558000	USD
CY2011Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	65844000	USD
CY2011Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-66510000	USD
CY2012Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-15426000	USD
CY2011Q1	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	13981000	USD
CY2012Q1	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-9146000	USD
CY2012Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	22272000	USD
CY2011Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	59372000	USD
CY2011Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	0	USD
CY2012Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-35000	USD
CY2011Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	2495000	USD
CY2012Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	2659000	USD
CY2012Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	6500000	shares
CY2011Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	18000000	shares
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	123114000	USD
CY2012Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	152541000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	14200000	USD
CY2011Q1	us-gaap	Interest Expense InterestExpense	6500000	USD
CY2011Q4	us-gaap	Inventory Net InventoryNet	69100000	USD
CY2012Q1	us-gaap	Inventory Net InventoryNet	92000000	USD
CY2011Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	52400000	USD
CY2012Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	77300000	USD
CY2011Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	2400000	USD
CY2012Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	2800000	USD
CY2012Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9945023000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9983820000	USD
CY2012Q1	us-gaap	Liabilities Current LiabilitiesCurrent	1360756000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1466703000	USD
CY2012Q1	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	111400000	USD
CY2012Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1097600000	USD
CY2011Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1069800000	USD
CY2011Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	999034000	USD
CY2012Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	999071000	USD
CY2011Q4	us-gaap	Long Term Investments LongTermInvestments	740659000	USD
CY2012Q1	us-gaap	Long Term Investments LongTermInvestments	785285000	USD
CY2012Q1	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge MaximumLengthOfTimeHedgedInCashFlowHedge	one year or less
CY2011Q4	us-gaap	Minority Interest MinorityInterest	476000	USD
CY2012Q1	us-gaap	Minority Interest MinorityInterest	476000	USD
CY2012Q1	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.60	pure
CY2012Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6288000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1102070000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-209224000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-93303000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	102266000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	239650000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	16270000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	129750000	USD
CY2011Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-90000	USD
CY2012Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2012Q1	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Description NewAccountingPronouncementOrChangeInAccountingPrincipleDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Recent Accounting Pronouncements</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In September 2011, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2011-08, Topic 350 - </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Intangibles - Goodwill and Other</font><font style="font-family:inherit;font-size:10pt;"> ("ASU 2011-08"), which amends Topic 350 and provides entities an option to perform a qualitative assessment to determine whether further impairment testing on goodwill is necessary. Specifically, an entity has the option to first assess qualitative factors to determine whether it is necessary to perform the current two-step test. If an entity believes, as a result of its qualitative assessment, that it is more-likely-than-not that the fair value of a reporting unit is less than its carrying amount, the quantitative impairment test is required. Otherwise, no further testing is required. The Company adopted this standard in the first quarter of 2012. The Company’s adoption of the standard during the first quarter of 2012 did not impact its consolidated results of operations or financial condition.</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In June 2011, the FASB issued ASU No. 2011-05, Topic 220 - </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Presentation of Comprehensive Income </font><font style="font-family:inherit;font-size:10pt;">(“ASU 2011-05”), which requires companies to present net income and other comprehensive income in one continuous statement or in two separate, but consecutive, statements. In addition, in December 2011, the FASB issued Accounting Standards Update ("ASU") No. 2011-12, Topic 220 - </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Comprehensive Income</font><font style="font-family:inherit;font-size:10pt;"> ("ASU 2011-12"), which defers the requirement to present components of reclassifications of other comprehensive income on the face of the income statement. The Company adopted both standards in the first quarter of 2012. The Company’s adoption of the standard during the first quarter of 2012 did not impact its consolidated results of operations or financial condition.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In May 2011, the FASB issued ASU No. 2011-04, Topic 820 - </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs </font><font style="font-family:inherit;font-size:10pt;">(“ASU 2011-04”), which amends the fair value measurement guidance and includes some enhanced disclosure requirements. The most significant change in disclosures is an expansion of the information required for Level 3 measurements based on unobservable inputs. The Company adopted this standard in the first quarter of 2012. The Company’s adoption of the standard during the first quarter of 2012 did not impact its consolidated results of operations or financial condition.</font></div></div>
CY2012Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-24431000	USD
CY2011Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-6462000	USD
CY2012Q1	us-gaap	Notional Amount Of Cash Flow Hedge Instruments NotionalAmountOfCashFlowHedgeInstruments	122400000	USD
CY2011Q4	us-gaap	Notional Amount Of Cash Flow Hedge Instruments NotionalAmountOfCashFlowHedgeInstruments	184300000	USD
CY2011Q4	us-gaap	Notional Amount Of Derivatives NotionalAmountOfDerivatives	307000000	USD
CY2012Q1	us-gaap	Notional Amount Of Derivatives NotionalAmountOfDerivatives	245300000	USD
CY2012Q1	us-gaap	Notional Amount Of Other Derivatives Not Designated As Hedging Instruments NotionalAmountOfOtherDerivativesNotDesignatedAsHedgingInstruments	122900000	USD
CY2011Q4	us-gaap	Notional Amount Of Other Derivatives Not Designated As Hedging Instruments NotionalAmountOfOtherDerivativesNotDesignatedAsHedgingInstruments	122700000	USD
CY2011Q1	us-gaap	Operating Expenses OperatingExpenses	558492000	USD
CY2012Q1	us-gaap	Operating Expenses OperatingExpenses	586346000	USD
CY2011Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	177393000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	47709000	USD
CY2012Q1	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	293300000	USD
CY2012Q1	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	15700000	USD
CY2011Q1	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	14800000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	75354000	USD
CY2012Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	58554000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	12300000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	4400000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	4600000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	6600000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax		USD
CY2012Q1	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax		USD
CY2011Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	11000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	16900000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax		USD
CY2012Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax		USD
CY2011Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	165358000	USD
CY2012Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	163610000	USD
CY2012Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	61905000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	65590000	USD
CY2012Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-13000000	USD
CY2011Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2400000	USD
CY2011Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	205171000	USD
CY2012Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56088000	USD
CY2011Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	437773000	USD
CY2012Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	371285000	USD
CY2012Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	90487000	USD
CY2011Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	28573000	USD
CY2012Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1122000	USD
CY2011Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	5972000	USD
CY2011Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	53972000	USD
CY2012Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	81991000	USD
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.00001
CY2012Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.00001
CY2012Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q1	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2011Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2011Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	156222000	USD
CY2012Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	181319000	USD
CY2012Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	37798000	USD
CY2011Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	264113000	USD
CY2011Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	991556000	USD
CY2012Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2011Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	126260000	USD
CY2012Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	222840000	USD
CY2012Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	7683000	USD
CY2011Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	12531000	USD
CY2011Q1	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	194300000	USD
CY2012Q1	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	178500000	USD
CY2012Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	231366000	USD
CY2011Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	193301000	USD
CY2011Q1	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-800000	USD
CY2012Q1	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	0	USD
CY2011Q1	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	15300000	USD
CY2012Q1	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	8900000	USD
CY2012Q1	us-gaap	Profit Loss ProfitLoss	16270000	USD
CY2011Q1	us-gaap	Profit Loss ProfitLoss	129660000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	647414000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	598581000	USD
CY2012Q1	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	136400000	USD
CY2012Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	269602000	USD
CY2011Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	261979000	USD
CY2011Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	78307000	USD
CY2012Q1	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	82504000	USD
CY2011Q4	us-gaap	Restructuring Reserve RestructuringReserve	4100000	USD
CY2012Q1	us-gaap	Restructuring Reserve RestructuringReserve	5100000	USD
CY2011Q1	us-gaap	Restructuring Reserve Accrual Adjustment RestructuringReserveAccrualAdjustment	-300000	USD
CY2012Q1	us-gaap	Restructuring Reserve Accrual Adjustment RestructuringReserveAccrualAdjustment	900000	USD
CY2012Q1	us-gaap	Restructuring Reserve Period Expense RestructuringReservePeriodExpense	2000000	USD
CY2012Q1	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	-1900000	USD
CY2012Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2974595000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2972402000	USD
CY2011Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	877440000	USD
CY2012Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	771873000	USD
CY2011Q1	us-gaap	Sales Revenue Net SalesRevenueNet	1101612000	USD
CY2012Q1	us-gaap	Sales Revenue Net SalesRevenueNet	1032498000	USD
CY2011Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	224172000	USD
CY2012Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	260625000	USD
CY2012Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	257719000	USD
CY2011Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	246291000	USD
CY2012Q1	us-gaap	Senior Notes SeniorNotes	1000000000	USD
CY2012Q1	us-gaap	Share Based Compensation ShareBasedCompensation	65007000	USD
CY2011Q1	us-gaap	Share Based Compensation ShareBasedCompensation	47586000	USD
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost	65000000	USD
CY2011Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost	49000000	USD
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	27700000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	22.47
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm	2.9	Y
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6900000	USD
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.67
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	200000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	26.18
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	500000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	28.48
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	3000000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	22.93
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	106400000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	38600000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	40200000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.02
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.98
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	104500000	USD
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	38300000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	23.80
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm	3.6	Y
CY2012Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	87700000	USD
CY2012Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	3.7	Y
CY2011Q4	us-gaap	Short Term Investments ShortTermInvestments	641323000	USD
CY2012Q1	us-gaap	Short Term Investments ShortTermInvestments	517403000	USD
CY2012Q1	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	-2700000	USD
CY2011Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	28300000	USD
CY2010Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	35900000	USD
CY2011Q1	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	38300000	USD
CY2012Q1	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	29300000	USD
CY2012Q1	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	29276000	USD
CY2011Q4	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	28276000	USD
CY2012Q1	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	7900000	USD
CY2011Q1	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	-12100000	USD
CY2012Q1	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	700000	shares
CY2012Q1	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	2400000	shares
CY2011Q1	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	4800000	shares
CY2011Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	200200000	USD
CY2012Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	51600000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	7089182000	USD
CY2012Q1	us-gaap	Stockholders Equity StockholdersEquity	7172483000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7089658000	USD
CY2012Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7172959000	USD
CY2012Q1	us-gaap	Trading Securities Cost TradingSecuritiesCost	11900000	USD
CY2011Q4	us-gaap	Trading Securities Cost TradingSecuritiesCost	9300000	USD
CY2012Q1	us-gaap	Trading Securities Fair Value Disclosure TradingSecuritiesFairValueDisclosure	11900000	USD
CY2011Q4	us-gaap	Trading Securities Fair Value Disclosure TradingSecuritiesFairValueDisclosure	9300000	USD
CY2012Q1	us-gaap	Trading Securities Unrealized Holding Gain TradingSecuritiesUnrealizedHoldingGain	0	USD
CY2011	us-gaap	Trading Securities Unrealized Holding Gain TradingSecuritiesUnrealizedHoldingGain	0	USD
CY2012Q1	us-gaap	Trading Securities Unrealized Holding Loss TradingSecuritiesUnrealizedHoldingLoss	0	USD
CY2011Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	530789000	shares
CY2011	us-gaap	Trading Securities Unrealized Holding Loss TradingSecuritiesUnrealizedHoldingLoss	0	USD
CY2012Q1	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3400000	USD
CY2011Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	548825000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	533683000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	527186000	shares
CY2012Q1	jnpr	Accrued Estimate Carrying Charges Or Obsolete Materials Charges AccruedEstimateCarryingChargesOrObsoleteMaterialsCharges	15600000	USD
CY2012Q1	jnpr	Acquired Finite And Indefinite Lived Intangible Assets Amount AcquiredFiniteAndIndefiniteLivedIntangibleAssetsAmount	36700000	USD
CY2012Q1	jnpr	Amortization Of Purchased Intangible Assets AmortizationOfPurchasedIntangibleAssets	7300000	USD
CY2011Q1	jnpr	Amortization Of Purchased Intangible Assets AmortizationOfPurchasedIntangibleAssets	6700000	USD
CY2012Q1	jnpr	Amount Of Restricted Investments Measured At Fair Value Included In Balance Of Corporate Debt Securities AmountOfRestrictedInvestmentsMeasuredAtFairValueIncludedInBalanceOfCorporateDebtSecurities	1700000	USD
CY2011Q4	jnpr	Amount Of Restricted Investments Measured At Fair Value Included In Balance Of Corporate Debt Securities AmountOfRestrictedInvestmentsMeasuredAtFairValueIncludedInBalanceOfCorporateDebtSecurities	1600000	USD
CY2012Q1	jnpr	Amount Of Restricted Investments Measured At Fair Value Included In Balance Of Money Market Funds AmountOfRestrictedInvestmentsMeasuredAtFairValueIncludedInBalanceOfMoneyMarketFunds	79200000	USD
CY2011Q4	jnpr	Amount Of Restricted Investments Measured At Fair Value Included In Balance Of Money Market Funds AmountOfRestrictedInvestmentsMeasuredAtFairValueIncludedInBalanceOfMoneyMarketFunds	75100000	USD
CY2011Q4	jnpr	Amount Of Restricted Investments Measured At Fair Value Included In Balance Of Mutual Funds AmountOfRestrictedInvestmentsMeasuredAtFairValueIncludedInBalanceOfMutualFunds	1000000	USD
CY2012Q1	jnpr	Available For Sale Investments And Publicly Traded Securities Unrealized Gain AvailableForSaleInvestmentsAndPubliclyTradedSecuritiesUnrealizedGain	3700000	USD
CY2011	jnpr	Available For Sale Investments And Publicly Traded Securities Unrealized Gain AvailableForSaleInvestmentsAndPubliclyTradedSecuritiesUnrealizedGain	1400000	USD
CY2012Q1	jnpr	Available For Sale Investments And Publicly Traded Securities Unrealized Loss AvailableForSaleInvestmentsAndPubliclyTradedSecuritiesUnrealizedLoss	400000	USD
CY2011	jnpr	Available For Sale Investments And Publicly Traded Securities Unrealized Loss AvailableForSaleInvestmentsAndPubliclyTradedSecuritiesUnrealizedLoss	800000	USD
CY2012Q1	jnpr	Available For Sale Investments And Trading Securities Amortized Cost AvailableForSaleInvestmentsAndTradingSecuritiesAmortizedCost	2646000000	USD
CY2011Q4	jnpr	Available For Sale Investments And Trading Securities Amortized Cost AvailableForSaleInvestmentsAndTradingSecuritiesAmortizedCost	2732100000	USD
CY2012Q1	jnpr	Available For Sale Investments And Trading Securities Fair Value AvailableForSaleInvestmentsAndTradingSecuritiesFairValue	2649300000	USD
CY2011Q4	jnpr	Available For Sale Investments And Trading Securities Fair Value AvailableForSaleInvestmentsAndTradingSecuritiesFairValue	2732700000	USD
CY2010Q2	jnpr	Business Acquisition Cash Value Of Unvested Restricted Shares BusinessAcquisitionCashValueOfUnvestedRestrictedShares	10700000	USD
CY2012Q1	jnpr	Campus Build Out Commitments CampusBuildOutCommitments	47600000	USD
CY2012Q1	jnpr	Cash Received From Financing Provider That Has Not Been Recognized As Revenue CashReceivedFromFinancingProviderThatHasNotBeenRecognizedAsRevenue	40900000	USD
CY2011Q4	jnpr	Cash Received From Financing Provider That Has Not Been Recognized As Revenue CashReceivedFromFinancingProviderThatHasNotBeenRecognizedAsRevenue	33300000	USD
CY2012Q1	jnpr	Closing Stock Price At Plan Period End ClosingStockPriceAtPlanPeriodEnd	22.88
CY2011Q1	jnpr	Common Stock Repurchased Under Stock Repurchase Program Average Purchase Price CommonStockRepurchasedUnderStockRepurchaseProgramAveragePurchasePrice	42.14
CY2012Q1	jnpr	Common Stock Repurchased Under Stock Repurchase Program Average Purchase Price CommonStockRepurchasedUnderStockRepurchaseProgramAveragePurchasePrice	21.75
CY2011Q1	jnpr	Corporate Unallocated Expenses CorporateUnallocatedExpenses	252400000	USD
CY2012Q1	jnpr	Corporate Unallocated Expenses CorporateUnallocatedExpenses	263100000	USD
CY2012Q1	jnpr	Decrease In Restricted Cash DecreaseInRestrictedCash	79000000	USD
CY2012Q1	jnpr	Deferred Incometax Expense Benefit Net DeferredIncometaxExpenseBenefitNet	-13904000	USD
CY2011Q1	jnpr	Deferred Incometax Expense Benefit Net DeferredIncometaxExpenseBenefitNet	1503000	USD
CY2012Q1	jnpr	Employee Contribution Matched In Percent EmployeeContributionMatchedInPercent	0.25	pure
CY2012Q1	jnpr	Estimated Incremental Tax Liability Excluding Interest And Penalties Related To Nopa EstimatedIncrementalTaxLiabilityExcludingInterestAndPenaltiesRelatedToNopa	807000000	USD
CY2012Q1	jnpr	Estimated Incremental Tax Liability Excluding Interest And Penalties Related To Pnod EstimatedIncrementalTaxLiabilityExcludingInterestAndPenaltiesRelatedToPnod	92000000	USD
CY2012Q1	jnpr	Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodTotalFairValue	27900000	USD
CY2012Q1	jnpr	Share Based Compensation Arrangement Vesting Period Psa In Years ShareBasedCompensationArrangementVestingPeriodPsaInYears	3	Y
CY2012Q1	jnpr	Gross Unrealized Gains Due Between One And Five Years GrossUnrealizedGainsDueBetweenOneAndFiveYears	2100000	USD
CY2012Q1	jnpr	Gross Unrealized Gains Due Within One Year GrossUnrealizedGainsDueWithinOneYear	300000	USD
CY2012Q1	jnpr	Gross Unrealized Gains No Contractual Maturity GrossUnrealizedGainsNoContractualMaturity	1300000	USD
CY2012Q1	jnpr	Gross Unrealized Losses Due Between One And Five Year GrossUnrealizedLossesDueBetweenOneAndFiveYear	400000	USD
CY2012Q1	jnpr	Gross Unrealized Losses Due Within One Year GrossUnrealizedLossesDueWithinOneYear	0	USD
CY2012Q1	jnpr	Gross Unrealized Losses No Contractual Maturity GrossUnrealizedLossesNoContractualMaturity	0	USD
CY2012Q1	jnpr	Indemnity Related Escrow Amount IndemnityRelatedEscrowAmount	29200000	USD
CY2011Q4	jnpr	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	593800000	USD
CY2012Q1	jnpr	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	630500000	USD
CY2012Q1	jnpr	Maximum Additional Shares Expire Unexercised Under1996 And2000 Plan MaximumAdditionalSharesExpireUnexercisedUnder1996And2000Plan	75000000	shares
CY2012Q1	jnpr	Number Of Days Due From Receivable NumberOfDaysDueFromReceivable	30	D
CY2012Q1	jnpr	Other Contractual Obligations OtherContractualObligations	90800000	USD
CY2012Q1	jnpr	Outstanding Stock Options And Restricted Stock Units Covering Shares Of Common Stock OutstandingStockOptionsAndRestrictedStockUnitsCoveringSharesOfCommonStock	1600000	shares
CY2012Q1	jnpr	Principal Contractual Obligations Total PrincipalContractualObligationsTotal	2481600000	USD
CY2011Q4	jnpr	Purchased Intangible Assets Accumulated Amortization PurchasedIntangibleAssetsAccumulatedAmortization	470700000	USD
CY2012Q1	jnpr	Purchased Intangible Assets Accumulated Amortization PurchasedIntangibleAssetsAccumulatedAmortization	478000000	USD
CY2012Q1	jnpr	Receivables From Sale Of Receivables ReceivablesFromSaleOfReceivables	101300000	USD
CY2011Q4	jnpr	Receivables From Sale Of Receivables ReceivablesFromSaleOfReceivables	162900000	USD
CY2012Q1	jnpr	Restricted Stock Units And Performance Share Awards Aggregate Intrinsic Value RestrictedStockUnitsAndPerformanceShareAwardsAggregateIntrinsicValue	558300000	USD
CY2012Q1	jnpr	Restricted Stock Units And Performance Share Awards Weighted Average Remaining Contractual Term RestrictedStockUnitsAndPerformanceShareAwardsWeightedAverageRemainingContractualTerm	1.6	Y
CY2012Q1	jnpr	Restructuring Net RestructuringNet	2039000	USD
CY2011Q1	jnpr	Restructuring Net RestructuringNet	-347000	USD
CY2012Q1	jnpr	Sale Of Receivable SaleOfReceivable	120600000	USD
CY2011Q1	jnpr	Sale Of Receivable SaleOfReceivable	174800000	USD
CY2012Q1	jnpr	Share Based Payroll Tax Expense ShareBasedPayrollTaxExpense	400000	USD
CY2011Q1	jnpr	Share Based Payroll Tax Expense ShareBasedPayrollTaxExpense	8000000	USD
CY2011Q1	jnpr	Total Segment Operating Income TotalSegmentOperatingIncome	498200000	USD
CY2012Q1	jnpr	Total Segment Operating Income TotalSegmentOperatingIncome	386600000	USD
CY2012Q1	jnpr	Vested And Expected To Vest Restricted Stock Units And Performance Share Awards Aggregate Intrinsic Value VestedAndExpectedToVestRestrictedStockUnitsAndPerformanceShareAwardsAggregateIntrinsicValue	456500000	USD
CY2012Q1	jnpr	Vested And Expected To Vest Restricted Stock Units And Performance Share Awards Number Of Shares VestedAndExpectedToVestRestrictedStockUnitsAndPerformanceShareAwardsNumberOfShares	28800000	shares
CY2012Q1	jnpr	Vested And Expected To Vest Restricted Stock Units And Performance Share Awards Weighted Average Grant Date Fair Value VestedAndExpectedToVestRestrictedStockUnitsAndPerformanceShareAwardsWeightedAverageGrantDateFairValue	0.00
CY2012Q1	jnpr	Vested And Expected To Vest Restricted Stock Units And Performance Share Awards Weighted Average Remaining Contractual Term VestedAndExpectedToVestRestrictedStockUnitsAndPerformanceShareAwardsWeightedAverageRemainingContractualTerm	1.4	Y
CY2012Q1	dei	Amendment Flag AmendmentFlag	false
CY2012Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2012Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012Q1	dei	Document Period End Date DocumentPeriodEndDate	2012-03-31
CY2012Q1	dei	Document Type DocumentType	10-Q
CY2012Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001043604
CY2012Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	529548000	shares
CY2012Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q1	dei	Entity Registrant Name EntityRegistrantName	JUNIPER NETWORKS INC
CY2012Q1	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012Q1	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
0001043604-12-000010-index-headers.html	Edgar Link	pending
0001043604-12-000010-index.html	Edgar Link	pending
0001043604-12-000010.txt	Edgar Link	pending
0001043604-12-000010-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
jnpr-20120331.xml	Edgar Link	completed
jnpr-20120331.xsd	Edgar Link	pending
jnpr-20120331_cal.xml	Edgar Link	unprocessable
jnpr-20120331_def.xml	Edgar Link	unprocessable
jnpr-20120331_lab.xml	Edgar Link	unprocessable
jnpr-20120331_pre.xml	Edgar Link	unprocessable
jnpr033112ex102.htm	Edgar Link	pending
jnpr033112ex103.htm	Edgar Link	pending
jnpr033112ex121.htm	Edgar Link	pending
jnpr033112ex311.htm	Edgar Link	pending
jnpr033112ex312.htm	Edgar Link	pending
jnpr033112ex321.htm	Edgar Link	pending
jnpr033112ex322.htm	Edgar Link	pending
juniper10q033112.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$JNPR
JUNIPER NETWORKS INC Stock $jnpr

2012 Q1 Form 10-Q Financial Statement

#000104360412000010 Filed on May 09, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JNPR JUNIPER NETWORKS INC Stock $jnpr

2012 Q1 Form 10-Q Financial Statement

#000104360412000010 Filed on May 09, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JNPR
JUNIPER NETWORKS INC Stock $jnpr