$AKAM
Akamai Technologies Inc Stock $akam

$akam Overview Financials Valuation SEC Filings Company Website

2011 Form 10-K Financial Statement

#000126643212000010 Filed on February 29, 2012

Income Statement

Concept	2011	2010 Q4	2010 Q3
Revenue	$1.159B	$284.7M	$253.6M
YoY Change	13.18%	19.47%	22.78%
Cost Of Revenue	$453.7M	$86.28M	$77.81M
YoY Change	49.54%	27.63%	25.5%
Gross Profit	$704.8M	$198.4M	$175.7M
YoY Change	-2.13%	16.23%	21.62%
Gross Profit Margin	60.84%	69.69%	69.31%
Selling, General & Admin	$339.9M	$108.0M	$98.33M
YoY Change	-13.84%	17.65%	24.79%
% of Gross Profit	48.22%	54.43%	55.95%
Research & Development	$52.33M	$13.80M	$14.24M
YoY Change	-4.44%	10.4%	30.6%
% of Gross Profit	7.42%	6.96%	8.1%
Depreciation & Amortization	$167.9M	$39.10M	$36.50M
YoY Change	17.2%	19.94%	15.87%
% of Gross Profit	23.82%	19.71%	20.77%
Operating Expenses	$392.2M	$126.0M	$112.6M
YoY Change	-12.69%	16.13%	20.01%
Operating Profit	$290.6M	$72.41M	$59.04M
YoY Change	14.3%	16.42%	16.45%
Interest Expense	$0.00	$2.800M	$222.0K
YoY Change	-100.0%	0.0%	-92.07%
% of Operating Profit	0.0%	3.87%	0.38%
Other Income/Expense, Net	$6.125M	-$1.100M	-$1.366M
YoY Change	-348.18%	120.0%	95.14%
Pretax Income	$257.7M	$74.00M	$60.31M
YoY Change	9.23%	14.55%	14.01%
Income Tax	$106.3M	$21.50M	$20.60M
% Of Pretax Income	41.25%	29.05%	34.16%
Net Earnings	$200.9M	$52.51M	$39.71M
YoY Change	17.34%	30.95%	21.43%
Net Earnings / Revenue	17.34%	18.44%	15.66%
Basic Earnings Per Share	$1.09		$0.22
Diluted Earnings Per Share	$1.07	$273.7K	$0.21
COMMON SHARES
Basic Shares Outstanding	183.9M shares	183.4M shares	181.5M shares
Diluted Shares Outstanding	187.6M shares	191.8M shares	191.3M shares

Balance Sheet

Concept	2011	2010 Q4	2010 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$849.2M	$606.6M	$607.0M
YoY Change	39.99%	7.15%	4.64%
Cash & Equivalents	$559.2M	$231.9M	$197.6M
Short-Term Investments	$290.0M	$374.7M	$409.4M
Other Short-Term Assets	$61.80M	$76.50M	$90.70M
YoY Change	-19.22%	87.96%	104.74%
Inventory
Prepaid Expenses
Receivables	$210.9M	$175.4M	$158.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.122B	$858.5M	$855.8M
YoY Change	30.69%	12.78%	10.2%
LONG-TERM ASSETS
Property, Plant & Equipment	$293.0M	$255.9M	$239.5M
YoY Change	14.5%	40.31%	33.2%
Goodwill		$452.9M
YoY Change		2.62%
Intangibles		$62.46M
YoY Change
Long-Term Investments	$380.7M	$636.5M	$582.6M
YoY Change	-40.19%	28.66%	48.96%
Other Assets	$51.50M	$11.15M	$65.20M
YoY Change	-40.39%	-91.53%	-58.97%
Total Long-Term Assets	$1.224B	$1.494B	$1.407B
YoY Change	-18.12%	12.66%	12.37%
TOTAL ASSETS
Total Short-Term Assets	$1.122B	$858.5M	$855.8M
Total Long-Term Assets	$1.224B	$1.494B	$1.407B
Total Assets	$2.346B	$2.353B	$2.263B
YoY Change	-0.31%	12.7%	11.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$38.20M	$26.38M	$29.60M
YoY Change	44.7%	9.9%	22.82%
Accrued Expenses	$83.30M	$94.66M	$84.30M
YoY Change	-10.33%	37.99%	53.55%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$0.00	$58.60M
YoY Change		-100.0%
Total Short-Term Liabilities	$148.4M	$145.2M	$201.2M
YoY Change	2.2%	-55.65%	82.41%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change			-100.0%
Other Long-Term Liabilities	$40.90M	$26.28M	$27.40M
YoY Change	36.79%	22.22%	35.64%
Total Long-Term Liabilities	$40.90M	$26.28M	$27.40M
YoY Change	36.79%	22.22%	-87.55%
TOTAL LIABILITIES
Total Short-Term Liabilities	$148.4M	$145.2M	$201.2M
Total Long-Term Liabilities	$40.90M	$26.28M	$27.40M
Total Liabilities	$189.3M	$175.1M	$228.6M
YoY Change	8.11%	-49.81%	-30.77%
SHAREHOLDERS EQUITY
Retained Earnings		-$2.631B
YoY Change
Common Stock		$1.924M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)		$158.3M
YoY Change
Treasury Stock Shares		5.780M shares
Shareholders Equity	$2.156B	$2.178B	$2.034B
YoY Change
Total Liabilities & Shareholders Equity	$2.346B	$2.353B	$2.263B
YoY Change	-0.31%	12.7%	11.54%

Cashflow Statement

Concept	2011	2010 Q4	2010 Q3
OPERATING ACTIVITIES
Net Income	$200.9M	$52.51M	$39.71M
YoY Change	17.34%	30.95%	21.43%
Depreciation, Depletion And Amortization	$167.9M	$39.10M	$36.50M
YoY Change	17.2%	19.94%	15.87%
Cash From Operating Activities	$446.3M	$110.4M	$118.0M
YoY Change	10.89%	-11.61%	12.17%
INVESTING ACTIVITIES
Capital Expenditures	$133.4M	-$48.70M	-$42.00M
YoY Change	-16.22%	66.78%	34.62%
Acquisitions	$550.0K
YoY Change	-95.66%
Other Investing Activities	$274.0K	-$19.70M	-$1.200M
YoY Change	-100.19%	-82.2%	-99.26%
Cash From Investing Activities	$177.4M	-$68.50M	-$43.20M
YoY Change	-152.88%	-51.04%	-77.66%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$324.1M
YoY Change	250.63%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$294.0M	-6.900M	-2.100M
YoY Change	1563.49%	13.11%	-93.2%
NET CHANGE
Cash From Operating Activities	$446.3M	110.4M	118.0M
Cash From Investing Activities	$177.4M	-68.50M	-43.20M
Cash From Financing Activities	-$294.0M	-6.900M	-2.100M
Net Change In Cash	$329.6M	35.00M	72.70M
YoY Change	566.92%	-265.88%	-161.04%
FREE CASH FLOW
Cash From Operating Activities	$446.3M	$110.4M	$118.0M
Capital Expenditures	$133.4M	-$48.70M	-$42.00M
Free Cash Flow	$312.8M	$159.1M	$160.0M
YoY Change	28.64%	3.24%	17.3%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2010Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	26375000	USD
CY2011Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	215491000	USD
CY2010Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	180598000	USD
CY2010Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	175366000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	210936000	USD
CY2010Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	94661000	USD
CY2011Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	85371000	USD
CY2010Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	2678000	USD
CY2011Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	4162000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	579411000	USD
CY2010Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	492035000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-7844000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	191000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	2103000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-1450000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1259000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5741000	USD
CY2010Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	4970278000	USD
CY2011Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5068235000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	69260000	USD
CY2009	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	65004000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	84268000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	11855000	USD
CY2009	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-9880000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	25303000	USD
CY2011	us-gaap	Advertising Expense AdvertisingExpense	800000	USD
CY2009	us-gaap	Advertising Expense AdvertisingExpense	700000	USD
CY2010	us-gaap	Advertising Expense AdvertisingExpense	500000	USD
CY2010Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	177918000	USD
CY2011Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	222914000	USD
CY2011	us-gaap	Capitalized Computer Software Impairments CapitalizedComputerSoftwareImpairments	4600000	USD
CY2010	us-gaap	Capitalized Computer Software Impairments CapitalizedComputerSoftwareImpairments	2300000	USD
CY2010Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1329000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1627000	USD
CY2010	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	507000	USD
CY2011	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	0	USD
CY2009	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	840000	USD
CY2009	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	16722000	USD
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	16657000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17070000	USD
CY2010Q4	us-gaap	Assets Assets	2352676000	USD
CY2011Q4	us-gaap	Assets Assets	2345501000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	1122020000	USD
CY2010Q4	us-gaap	Assets Current AssetsCurrent	858467000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	670552000	USD
CY2010Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1024385000	USD
CY2010Q4	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	375005000	USD
CY2011Q4	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	290029000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	0	USD
CY2010Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	137256000	USD
CY2010Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	499275000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	380729000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	290029000	USD
CY2010Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	375005000	USD
CY2010Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	1011536000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	670758000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	745000	USD
CY2010Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	14401000	USD
CY2010Q4	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	636531000	USD
CY2011Q4	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	380729000	USD
CY2010Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	1552000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	951000	USD
CY2011Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	0	USD
CY2010Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	990000	USD
CY2011Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	152140000	USD
CY2010Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	117936000	USD
CY2010	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	2300000	USD
CY2011	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	3900000	USD
CY2009	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1393000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	39517000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19619000	USD
CY2009	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3991000	USD
CY2011Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	70774000	USD
CY2010Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	59982000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	231866000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	559197000	USD
CY2008Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	156074000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	181305000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	50561000	USD
CY2009	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	25231000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	327331000	USD
CY2010Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	8200000	shares
CY2010Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	700000000	shares
CY2010Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	700000000	shares
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CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	195561243	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	177504624	shares
CY2010Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	186603380	shares
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	1959000	USD
CY2010Q4	us-gaap	Common Stock Value CommonStockValue	1924000	USD
CY2011	us-gaap	Common Stock Voting Rights CommonStockVotingRights	1
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	4078000	USD
CY2002Q3	us-gaap	Convertible Preferred Stock Shares Reserved For Future Issuance ConvertiblePreferredStockSharesReservedForFutureIssuance	700000	shares
CY2011Q4	us-gaap	Convertible Preferred Stock Shares Reserved For Future Issuance ConvertiblePreferredStockSharesReservedForFutureIssuance	700000	shares
CY2010Q4	us-gaap	Convertible Preferred Stock Shares Reserved For Future Issuance ConvertiblePreferredStockSharesReservedForFutureIssuance	700000	shares
CY2011	us-gaap	Cost Of Revenue CostOfRevenue	374543000	USD
CY2009	us-gaap	Cost Of Revenue CostOfRevenue	249938000	USD
CY2010	us-gaap	Cost Of Revenue CostOfRevenue	303403000	USD
CY2010Q4	us-gaap	Cost Of Revenue CostOfRevenue	86277000	USD
CY2010Q1	us-gaap	Cost Of Revenue CostOfRevenue	67474000	USD
CY2010Q2	us-gaap	Cost Of Revenue CostOfRevenue	71840000	USD
CY2010Q3	us-gaap	Cost Of Revenue CostOfRevenue	77812000	USD
CY2011Q4	us-gaap	Cost Of Revenue CostOfRevenue	102544000	USD
CY2011Q1	us-gaap	Cost Of Revenue CostOfRevenue	89068000	USD
CY2011Q3	us-gaap	Cost Of Revenue CostOfRevenue	93284000	USD
CY2011Q2	us-gaap	Cost Of Revenue CostOfRevenue	89647000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	62462000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	53628000	USD
CY2009	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	81706000	USD
CY2004Q1	us-gaap	Deferred Offering Costs DeferredOfferingCosts	5900000	USD
CY2003Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	5900000	USD
CY2011Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	2470000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2393000	USD
CY2009	us-gaap	Costs And Expenses CostsAndExpenses	636293000	USD
CY2011	us-gaap	Costs And Expenses CostsAndExpenses	867889000	USD
CY2010	us-gaap	Costs And Expenses CostsAndExpenses	769309000	USD
CY2010Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	23808000	USD
CY2011Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	21344000	USD
CY2010Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	3642000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	10193000	USD
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CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2953000	USD
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CY2010	us-gaap	Debt Conversion Converted Instrument Shares Issued1 DebtConversionConvertedInstrumentSharesIssued1	12929095	shares
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CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	55335000	USD
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	4269000	USD
CY2009	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	3238000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1209000	USD
CY2009	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2068000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4413000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	91514000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	154145000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	103427000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	49929000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	6444000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	28201000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	75226000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	43485000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	20782000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	15530000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	10900000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	35959000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	32221000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	5005000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	0	USD
CY2010Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7407000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	433000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	41152000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	43311000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Software DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware	20527000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Software DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware	24165000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	22784000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	16972000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	82900000	USD
CY2010	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	2600000	USD
CY2009	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1900000	USD
CY2011	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	3400000	USD
CY2009	us-gaap	Depreciation Depreciation	105800000	USD
CY2010	us-gaap	Depreciation Depreciation	126600000	USD
CY2011	us-gaap	Depreciation Depreciation	150800000	USD
CY2009	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	122494000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	143242000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	167878000	USD
CY2009	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.97
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.07
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.90
CY2009	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.78
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	1141000	USD
CY2009	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	854000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-2259000	USD
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.347
CY2009	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.385
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.346
CY2009	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.002
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.000
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.023
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.001
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.005
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.000
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.001
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.022
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings	9614000	USD
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.004
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.001
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.012
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.008
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.010
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	0.037
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	0.028
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	0.029
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.026
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.024
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.014
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	39920000	USD
CY2010Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	51591000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	7500000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	7800000	USD
CY2009	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	6300000	USD
CY2011Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	110900000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition	1.3
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	21212000	USD
CY2009	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	22633000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	26566000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	13123000	USD
CY2009	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2236000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	28973000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	13123000	USD
CY2009	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2236000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	28973000	USD
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome	7237000	USD
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-124100000	USD
CY2010Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	137256000	USD
CY2009Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	254119000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	89675000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	72605000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	135061000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	135061000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	45386000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	62456000	USD
CY2010Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	4792000	USD
CY2011Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	5676000	USD
CY2010	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	2500000	USD
CY2011	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	1900000	USD
CY2009	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	1700000	USD
CY2011Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	14166000	USD
CY2010Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	12770000	USD
CY2011	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	2100000	USD
CY2011	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	4600000	USD
CY2011	us-gaap	Future Amortization Expense Year One FutureAmortizationExpenseYearOne	16600000	USD
CY2011	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	7200000	USD
CY2011	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	13200000	USD
CY2011	us-gaap	Gain Loss On Investments GainLossOnInvestments	-249000	USD
CY2009	us-gaap	Gain Loss On Investments GainLossOnInvestments	785000	USD
CY2010	us-gaap	Gain Loss On Investments GainLossOnInvestments	396000	USD
CY2009	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	1062000	USD
CY2010	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2011	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2010	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-299000	USD
CY2009	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2011	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2009	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	146100000	USD
CY2010	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	167779000	USD
CY2011	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	191726000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	452914000	USD
CY2010Q4	us-gaap	Goodwill Goodwill	452914000	USD
CY2009Q4	us-gaap	Goodwill Goodwill	441347000	USD
CY2010Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.22
CY2010Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.24
CY2010Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.29
CY2010Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.22
CY2011Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.26
CY2011Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.23
CY2011Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.34
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.27
CY2010Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.21
CY2010Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.22
CY2010Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.20
CY2010Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.27
CY2010	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	11567000	USD
CY2010	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	14900000	USD
CY2011	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	61700000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	221071000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	235892000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	257656000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	49539000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	26480000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	16161000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	237232000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	262372000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	307195000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.26
CY2011Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.23
CY2011Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.33
CY2011Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.25
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	106291000	USD
CY2009	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	91319000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	91152000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	20529000	USD
CY2009	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	10255000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	15184000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	37837000	USD
CY2009	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1159000	USD
CY2010	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	23563000	USD
CY2009	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	5871000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1306000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-8704000	USD
CY2009	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2744000	USD
CY2011	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-3721000	USD
CY2010	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-9454000	USD
CY2011	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-6974000	USD
CY2010	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	465000	USD
CY2009	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-10000	USD
CY2009	us-gaap	Income Taxes Paid IncomeTaxesPaid	20989000	USD
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	26200000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	45578000	USD
CY2010	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	12089000	USD
CY2009	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5020000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7014000	USD
CY2011	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	3572000	USD
CY2009	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	-1067000	USD
CY2010	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	-617000	USD
CY2011	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	0	shares
CY2010	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	254000	shares
CY2009	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	342000	shares
CY2009	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	12933000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2010	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	7871000	shares
CY2010	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	1395000	shares
CY2009	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	1153000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	1140000	shares
CY2010	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3821000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2550000	shares
CY2009	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2805000	shares
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	45386000	USD
CY2010Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	62456000	USD
CY2009	us-gaap	Interest Expense InterestExpense	2839000	USD
CY2011	us-gaap	Interest Expense InterestExpense	0	USD
CY2010	us-gaap	Interest Expense InterestExpense	1697000	USD
CY2009	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	1746000	USD
CY2010	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	1059000	USD
CY2011	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
CY2009	us-gaap	Interest Paid InterestPaid	1998000	USD
CY2011	us-gaap	Interest Paid InterestPaid	0	USD
CY2010	us-gaap	Interest Paid InterestPaid	1258000	USD
CY2009	us-gaap	Investment Income Interest InvestmentIncomeInterest	15643000	USD
CY2010	us-gaap	Investment Income Interest InvestmentIncomeInterest	12163000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	10670000	USD
CY2009	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	19800000	USD
CY2010	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	23600000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	23000000	USD
CY2010Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	29914000	USD
CY2011Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	36358000	USD
CY2010Q4	us-gaap	Liabilities Liabilities	175071000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	189251000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2345501000	USD
CY2010Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2352676000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	148392000	USD
CY2010Q4	us-gaap	Liabilities Current LiabilitiesCurrent	145151000	USD
CY2011Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	561952000	USD
CY2010Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	492685000	USD
CY2010	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	400000	USD
CY2009	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	800000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-294088000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-17676000	USD
CY2009	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-42537000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	171123000	USD
CY2009	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-357498000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-335359000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	452555000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	402455000	USD
CY2009	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	424412000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	171220000	USD
CY2009	us-gaap	Net Income Loss NetIncomeLoss	145913000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	200904000	USD
CY2010Q4	us-gaap	Net Income Loss NetIncomeLoss	52510000	USD
CY2010Q3	us-gaap	Net Income Loss NetIncomeLoss	39709000	USD
CY2010Q2	us-gaap	Net Income Loss NetIncomeLoss	38123000	USD
CY2010Q1	us-gaap	Net Income Loss NetIncomeLoss	40878000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	60081000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	50617000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	42285000	USD
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	47921000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	172279000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	200904000	USD
CY2009	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	147659000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	290649000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	254277000	USD
CY2009	us-gaap	Operating Income Loss OperatingIncomeLoss	223480000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	138757000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	23360000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	14343000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	19116000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	20544000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	21750000	USD
CY2010	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1146493000	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	12668000	USD
CY2009	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	5779000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	550000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	39644000	USD
CY2009	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	1600000	USD
CY2010	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	3300000	USD
CY2011	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	800000	USD
CY2011Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	400000	USD
CY2010Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	7400000	USD
CY2010Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1766000	USD
CY2011Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2075000	USD
CY2010Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	11153000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	7924000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-3553000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	1172000	USD
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	1933000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8035000	USD
CY2009	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	11735000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	3769000	USD
CY2010Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	26278000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	38389000	USD
CY2011	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6125000	USD
CY2010	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2468000	USD
CY2009	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	163000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	324070000	USD
CY2009	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	66497000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	92425000	USD
CY2011	us-gaap	Payments For Software PaymentsForSoftware	42644000	USD
CY2010	us-gaap	Payments For Software PaymentsForSoftware	32769000	USD
CY2009	us-gaap	Payments For Software PaymentsForSoftware	27229000	USD
CY2009	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	790351000	USD
CY2011	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	880110000	USD
CY2011	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	USD
CY2010	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	500000	USD
CY2009	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	159276000	USD
CY2009	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	80918000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	140218000	USD
CY2002Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2010Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2002Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2010Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2010Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2010Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2010Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2011Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	55414000	USD
CY2010Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	48029000	USD
CY2004Q1	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	194100000	USD
CY2011	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	25252000	USD
CY2009	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	21724000	USD
CY2010	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	45776000	USD
CY2010	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	324606000	USD
CY2011	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	532910000	USD
CY2009	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	141544000	USD
CY2010	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	691227000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	701313000	USD
CY2009	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	403559000	USD
CY2009	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	1350000	USD
CY2011	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	0	USD
CY2010	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	0	USD
CY2011	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	150000	USD
CY2010	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	176000	USD
CY2009	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	93000	USD
CY2009	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	233000	USD
CY2011	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	272000	USD
CY2010	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	338000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	872454000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	747964000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	255929000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	293043000	USD
CY2011	us-gaap	Property Plant And Equipment Useful Life Minimum PropertyPlantAndEquipmentUsefulLifeMinimum	1	years
CY2011	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2066000	USD
CY2010	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1546000	USD
CY2009	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6727000	USD
CY2009	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	43658000	USD
CY2011	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	52333000	USD
CY2010	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	54766000	USD
CY2011Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	0	USD
CY2010Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	272000	USD
CY2011Q4	us-gaap	Restricted Investments Noncurrent RestrictedInvestmentsNoncurrent	42000	USD
CY2010Q4	us-gaap	Restricted Investments Noncurrent RestrictedInvestmentsNoncurrent	45000	USD
CY2011Q4	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	70
CY2008Q4	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	110
CY2011	us-gaap	Restructuring Charges RestructuringCharges	4886000	USD
CY2009	us-gaap	Restructuring Charges RestructuringCharges	454000	USD
CY2010	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2008Q4	us-gaap	Restructuring Reserve RestructuringReserve	1700000	USD
CY2010Q4	us-gaap	Restructuring Reserve RestructuringReserve	300000	USD
CY2009Q4	us-gaap	Restructuring Reserve RestructuringReserve	800000	USD
CY2011Q4	us-gaap	Restructuring Reserve RestructuringReserve	3900000	USD
CY2010Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	307000	USD
CY2011Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	3430000	USD
CY2011Q4	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	500000	USD
CY2010	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	500000	USD
CY2009	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	1400000	USD
CY2011	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	1300000	USD
CY2009	us-gaap	Restructuring Reserve Settled Without Cash RestructuringReserveSettledWithoutCash	0	USD
CY2010	us-gaap	Restructuring Reserve Settled Without Cash RestructuringReserveSettledWithoutCash	0	USD
CY2011	us-gaap	Restructuring Reserve Settled Without Cash RestructuringReserveSettledWithoutCash	412000	USD
CY2010Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2630595000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2429691000	USD
CY2011	us-gaap	Revenues Revenues	1158538000	USD
CY2010	us-gaap	Revenues Revenues	1023586000	USD
CY2009	us-gaap	Revenues Revenues	859773000	USD
CY2010Q2	us-gaap	Revenues Revenues	245318000	USD
CY2010Q1	us-gaap	Revenues Revenues	240029000	USD
CY2010Q4	us-gaap	Revenues Revenues	284688000	USD
CY2010Q3	us-gaap	Revenues Revenues	253551000	USD
CY2011Q4	us-gaap	Revenues Revenues	323740000	USD
CY2011Q2	us-gaap	Revenues Revenues	276989000	USD
CY2011Q3	us-gaap	Revenues Revenues	281856000	USD
CY2011Q1	us-gaap	Revenues Revenues	275953000	USD
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8946000	shares
CY2008Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10380000	shares
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10022000	shares
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	19.34
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	39.72
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	19.11
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8017000	shares
CY2011	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	227331000	USD
CY2009	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	179421000	USD
CY2010	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	226704000	USD
CY2004Q1	us-gaap	Senior Notes SeniorNotes	200000000	USD
CY2003Q4	us-gaap	Senior Notes SeniorNotes	200000000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	76468000	USD
CY2009	us-gaap	Share Based Compensation ShareBasedCompensation	58797000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	61305000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	6247000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	22.54
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.21
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	10.09
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.09
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	326000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	541000	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	287000	shares
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	33.68
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	39.69
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	43.96
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	656000	shares
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1146000	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1577000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	37.33
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.63
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.89
CY2008Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.76
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1044000	shares
CY2010	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2366000	shares
CY2009	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1178000	shares
CY2010	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	199755000	USD
CY2009	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	100000	USD
CY2011	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	12656000	USD
CY2009	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	9801000	USD
CY2010	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	12151000	USD
CY2011Q3	us-gaap	Stock Repurchase Program Authorized Amount StockRepurchaseProgramAuthorizedAmount	400000000	USD
CY2009Q2	us-gaap	Stock Repurchase Program Authorized Amount StockRepurchaseProgramAuthorizedAmount	100000000	USD
CY2011	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	129700000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	2156250000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	2177605000	USD
CY2008Q4	us-gaap	Stockholders Equity StockholdersEquity	1568770000	USD
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	1738722000	USD
CY2011Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	9923000	USD
CY2010Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	15849000	USD
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	18056619	shares
CY2010Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	5779741	shares
CY2010Q4	us-gaap	Treasury Stock Value TreasuryStockValue	158261000	USD
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	482994000	USD
CY2011	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	324733000	USD
CY2009	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	66301000	USD
CY2010	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	91960000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10800000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	12500000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	800000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	300000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	4700000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	4300000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2800000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2300000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1500000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2011Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	56000000	USD
CY2011	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company prepares its consolidated financial statements in conformity with accounting principles generally accepted in the United States of America. These principles require management to make estimates, judgments and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and the amounts disclosed in the related notes to the consolidated financial statements. Actual results and outcomes may differ materially from management’s estimates, judgments and assumptions. Significant estimates, judgments and assumptions used in these financial statements include, but are not limited to, those related to revenues, accounts receivable and related reserves, valuation and impairment of investments and marketable securities, loss contingencies, useful lives and realizability of long-lived assets and goodwill, capitalized internal-use software costs, income and other tax reserves, and accounting for stock-based compensation. Estimates are periodically reviewed in light of changes in circumstances, facts and experience. The effects of material revisions in estimates are reflected in the consolidated financial statements prospectively from the date of the change in estimate.</font></div></div>
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	187556000	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	190650000	shares
CY2009	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	188658000	shares
CY2010Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	191271000	shares
CY2010Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	191837000	shares
CY2010Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	189013000	shares
CY2010Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	190479000	shares
CY2011Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	185704000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	191383000	shares
CY2011Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	182956000	shares
CY2011Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	190179000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	183866000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	177309000	shares
CY2009	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	171425000	shares
CY2010Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	181457000	shares
CY2010Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	171101000	shares
CY2010Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	183362000	shares
CY2010Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	173317000	shares
CY2011Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	186612000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	186849000	shares
CY2011Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	178916000	shares
CY2011Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	183085000	shares
CY2010	akam	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	5005000	USD
CY2011	akam	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	-14000	USD
CY2004Q1	akam	Amendment To Rights Plan Per Share Purchase Price AmendmentToRightsPlanPerSharePurchasePrice	65.00
CY2010Q3	akam	Auction Rate Securities Repurchased AuctionRateSecuritiesRepurchased	30500000	USD
CY2010Q4	akam	Bandwidth And Co Location BandwidthAndCoLocation	21787000	USD
CY2011Q4	akam	Bandwidth And Co Location BandwidthAndCoLocation	29291000	USD
CY2011	akam	Capitalization Of Stock Based Compensation As Internal Use Software CapitalizationOfStockBasedCompensationAsInternalUseSoftware	7473000	USD
CY2010	akam	Capitalization Of Stock Based Compensation As Internal Use Software CapitalizationOfStockBasedCompensationAsInternalUseSoftware	7818000	USD
CY2009	akam	Capitalization Of Stock Based Compensation As Internal Use Software CapitalizationOfStockBasedCompensationAsInternalUseSoftware	6280000	USD
CY2010Q4	akam	Capitalized Computer Software Accumulated Impairments CapitalizedComputerSoftwareAccumulatedImpairments	3458000	USD
CY2011Q4	akam	Capitalized Computer Software Accumulated Impairments CapitalizedComputerSoftwareAccumulatedImpairments	8024000	USD
CY2010Q4	akam	Cash And Cash Equivalents And Marketable Securities CashAndCashEquivalentsAndMarketableSecurities	1243400000	USD
CY2010	akam	Common Stock Returned Upon Settlement Of Escrow Claims Related To Prior Business Acquisitions Value CommonStockReturnedUponSettlementOfEscrowClaimsRelatedToPriorBusinessAcquisitionsValue	-430000	USD
CY2009	akam	Common Stock Returned Upon Settlement Of Escrow Claims Related To Prior Business Acquisitions Value CommonStockReturnedUponSettlementOfEscrowClaimsRelatedToPriorBusinessAcquisitionsValue	-427000	USD
CY2011	akam	Capitalized Internal Software Costs CapitalizedInternalSoftwareCosts	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The following table summarizes capitalized internal-use software costs (in thousands):</font></div><div style="line-height:120%;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"> </font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8" rowspan="1"></td></tr><tr><td width="71%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="12%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="12%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td></tr><tr><td rowspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;"> </font></div></td><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">December 31,</font></div></td></tr><tr><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">2011</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">2010</font></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Gross costs capitalized</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">230,938</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">181,376</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Less: cumulative impairments</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(8,024</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(3,458</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">222,914</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">177,918</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Less: accumulated amortization, net of impairments</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(152,140</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(117,936</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net book value of capitalized internal-use software</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">70,774</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">59,982</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr></table></div></div></div>
CY2011Q4	akam	Cash And Cash Equivalents And Marketable Securities CashAndCashEquivalentsAndMarketableSecurities	1230000000	USD
CY2009	akam	Conversion Of Convertible Note ConversionOfConvertibleNote	100000	USD
CY2011	akam	Conversion Of Convertible Note ConversionOfConvertibleNote	0	USD
CY2010	akam	Conversion Of Convertible Note ConversionOfConvertibleNote	199755000	USD
CY2011	akam	Customer Account Receivable Balance As Percentage Of Total Account Receivable Minimum CustomerAccountReceivableBalanceAsPercentageOfTotalAccountReceivableMinimum	0.10
CY2010	akam	Customer Account Receivable Balance As Percentage Of Total Account Receivable Minimum CustomerAccountReceivableBalanceAsPercentageOfTotalAccountReceivableMinimum	0.10
CY2011	akam	Customer Revenue As Percentage Of Total Revenue Minimum CustomerRevenueAsPercentageOfTotalRevenueMinimum	0.10
CY2011Q4	akam	Deferred Tax Assets Depreciation And Amortization DeferredTaxAssetsDepreciationAndAmortization	30702000	USD
CY2010Q4	akam	Deferred Tax Assets Depreciation And Amortization DeferredTaxAssetsDepreciationAndAmortization	60935000	USD
CY2010Q4	akam	Deferred Tax Assetstax Net Operating Loss And Carryforwards DeferredTaxAssetstaxNetOperatingLossAndCarryforwards	35202000	USD
CY2011Q4	akam	Deferred Tax Assetstax Net Operating Loss And Carryforwards DeferredTaxAssetstaxNetOperatingLossAndCarryforwards	9323000	USD
CY2011Q4	akam	Deferred Tax Liabilites Impairment Loss On Marketable Securities DeferredTaxLiabilitesImpairmentLossOnMarketableSecurities	15000	USD
CY2010Q4	akam	Deferred Tax Liabilites Impairment Loss On Marketable Securities DeferredTaxLiabilitesImpairmentLossOnMarketableSecurities	0	USD
CY2009	akam	Effective Income Tax Rate Reconciliation Expiration Of Capital Loss Carryforward EffectiveIncomeTaxRateReconciliationExpirationOfCapitalLossCarryforward	0.000
CY2010	akam	Effective Income Tax Rate Reconciliation Expiration Of Capital Loss Carryforward EffectiveIncomeTaxRateReconciliationExpirationOfCapitalLossCarryforward	0.000
CY2011	akam	Effective Income Tax Rate Reconciliation Expiration Of Capital Loss Carryforward EffectiveIncomeTaxRateReconciliationExpirationOfCapitalLossCarryforward	0.021
CY2008Q1	akam	Employee Benefit Plan Amended Matching Contribution EmployeeBenefitPlanAmendedMatchingContribution	1/2
CY2009	akam	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options And Vesting Of Rsus And Dsus EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptionsAndVestingOfRsusAndDsus	68000000	USD
CY2010	akam	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options And Vesting Of Rsus And Dsus EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptionsAndVestingOfRsusAndDsus	123500000	USD
CY2011	akam	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options And Vesting Of Rsus And Dsus EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptionsAndVestingOfRsusAndDsus	79000000	USD
CY2009	akam	Employee Taxes Paid Related To Net Share Settlement Of Equity Awards EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards	0	USD
CY2010	akam	Employee Taxes Paid Related To Net Share Settlement Of Equity Awards EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards	0	USD
CY2011	akam	Employee Taxes Paid Related To Net Share Settlement Of Equity Awards EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards	8393000	USD
CY2010	akam	Estimated Aggregate Loss Related To Impairment Of Auction Rate Securities Included In Accumulated Other Comprehensive Income Loss EstimatedAggregateLossRelatedToImpairmentOfAuctionRateSecuritiesIncludedInAccumulatedOtherComprehensiveIncomeLoss	13500000	USD
CY2010	akam	Gain Loss On Investments And Property Plant And Equipment GainLossOnInvestmentsAndPropertyPlantAndEquipment	-428000	USD
CY2011	akam	Gain Loss On Investments And Property Plant And Equipment GainLossOnInvestmentsAndPropertyPlantAndEquipment	597000	USD
CY2009	akam	Gain Loss On Investments And Property Plant And Equipment GainLossOnInvestmentsAndPropertyPlantAndEquipment	-391000	USD
CY2010Q4	akam	Gross Capitalized Computer Software Excluding Cumulative Impairments GrossCapitalizedComputerSoftwareExcludingCumulativeImpairments	181376000	USD
CY2011Q4	akam	Gross Capitalized Computer Software Excluding Cumulative Impairments GrossCapitalizedComputerSoftwareExcludingCumulativeImpairments	230938000	USD
CY2004Q1	akam	Initial Conversion Price Of Convertible Senior Notes InitialConversionPriceOfConvertibleSeniorNotes	15.45
CY2003Q4	akam	Initial Conversion Price Of Convertible Senior Notes InitialConversionPriceOfConvertibleSeniorNotes	15.45
CY2011	akam	Letter Of Credit Real Estate Leases LetterOfCreditRealEstateLeases	5500000	USD
CY2010	akam	Long Lived Asset Depreciation And Amortization LongLivedAssetDepreciationAndAmortization	14500000	USD
CY2011	akam	Long Lived Asset Depreciation And Amortization LongLivedAssetDepreciationAndAmortization	59900000	USD
CY2011	akam	Max Amount Percentage Of Revenue For Single Country MaxAmountPercentageOfRevenueForSingleCountry	0.10
CY2011	akam	Maximum Amount That Company Will Match Annually Per Employee MaximumAmountThatCompanyWillMatchAnnuallyPerEmployee	2000	USD
CY2010	akam	Maximum Amount That Company Will Match Annually Per Employee MaximumAmountThatCompanyWillMatchAnnuallyPerEmployee	2000	USD
CY2009	akam	Maximum Amount That Company Will Match Annually Per Employee MaximumAmountThatCompanyWillMatchAnnuallyPerEmployee	2000	USD
CY2011	akam	Minimum Percentage Of Tax Benefit To Be Recognized MinimumPercentageOfTaxBenefitToBeRecognized	0.50
CY2004Q1	akam	Number Of Common Stock Shares Equivalent Per One Thousand Dollars Of Principal Amount Of Convertible Senior Notes NumberOfCommonStockSharesEquivalentPerOneThousandDollarsOfPrincipalAmountOfConvertibleSeniorNotes	64.7249	shares
CY2010	akam	Provision For Income Taxes On Stock Based Compensation ProvisionForIncomeTaxesOnStockBasedCompensation	26566000	USD
CY2011	akam	Provision For Income Taxes On Stock Based Compensation ProvisionForIncomeTaxesOnStockBasedCompensation	21212000	USD
CY2011	akam	Percentage Of Revenues Related To Europe PercentageOfRevenuesRelatedToEurope	0.18
CY2010	akam	Period Deferred Financing Costs Of Convertible Senior Notes Are Amortized In Years PeriodDeferredFinancingCostsOfConvertibleSeniorNotesAreAmortizedInYears	7	years
CY2011Q4	akam	Property And Equipment Per Unit Value Minimum PropertyAndEquipmentPerUnitValueMinimum	1000
CY2010Q4	akam	Property Plant And Equipment And Capitalized Software Net PropertyPlantAndEquipmentAndCapitalizedSoftwareNet	255929000	USD
CY2011Q4	akam	Property Plant And Equipment And Capitalized Software Net PropertyPlantAndEquipmentAndCapitalizedSoftwareNet	293043000	USD
CY2003Q4	akam	Number Of Common Stock Shares Equivalent Per One Thousand Dollars Of Principal Amount Of Convertible Senior Notes NumberOfCommonStockSharesEquivalentPerOneThousandDollarsOfPrincipalAmountOfConvertibleSeniorNotes	62.7249	shares
CY2011Q4	akam	Number Of Countries Servers Are In NumberOfCountriesServersAreIn	80	countries
CY2011Q4	akam	Number Of Customers Accounting For More Than10 Percent Of Accounts Receivable NumberOfCustomersAccountingForMoreThan10PercentOfAccountsReceivable	1
CY2010Q4	akam	Number Of Customers Accounting For More Than10 Percent Of Accounts Receivable NumberOfCustomersAccountingForMoreThan10PercentOfAccountsReceivable	1	customers
CY2011	akam	Number Of Customers Accounting For Ten Percent Or More Of Revenues NumberOfCustomersAccountingForTenPercentOrMoreOfRevenues	0
CY2009	akam	Number Of Customers Accounting For Ten Percent Or More Of Revenues NumberOfCustomersAccountingForTenPercentOrMoreOfRevenues	0	customers
CY2010	akam	Number Of Customers Accounting For Ten Percent Or More Of Revenues NumberOfCustomersAccountingForTenPercentOrMoreOfRevenues	0	customers
CY2011	akam	Number Of Foreign Countries Greater Than10 Revenue NumberOfForeignCountriesGreaterThan10Revenue	0	countries
CY2009	akam	Number Of Foreign Countries Greater Than10 Revenue NumberOfForeignCountriesGreaterThan10Revenue	0	countries
CY2010	akam	Number Of Foreign Countries Greater Than10 Revenue NumberOfForeignCountriesGreaterThan10Revenue	0	countries
CY2011Q4	akam	Number Of Months Auction Securities Have Been In Continuous Loss Position NumberOfMonthsAuctionSecuritiesHaveBeenInContinuousLossPosition	12	months
CY2011	akam	Other Stock Based Compensation Expense OtherStockBasedCompensationExpense	18000	USD
CY2009	akam	Other Stock Based Compensation Expense OtherStockBasedCompensationExpense	46000	USD
CY2010	akam	Other Stock Based Compensation Expense OtherStockBasedCompensationExpense	10000	USD
CY2009	akam	Payroll And Consulting Fees For Software PayrollAndConsultingFeesForSoftware	27200000	USD
CY2011	akam	Payroll And Consulting Fees For Software PayrollAndConsultingFeesForSoftware	42600000	USD
CY2010	akam	Payroll And Consulting Fees For Software PayrollAndConsultingFeesForSoftware	32800000	USD
CY2002Q3	akam	Per Share Price For Registered Holder PerSharePriceForRegisteredHolder	9.00
CY2011Q4	akam	Percentage Of Company Match That Vests Annually PercentageOfCompanyMatchThatVestsAnnually	0.25
CY2008Q1	akam	Percentage Of Employee Contribution Matched By Company PercentageOfEmployeeContributionMatchedByCompany	0.08
CY2011	akam	Percentage Of Revenue From Outside Us PercentageOfRevenueFromOutsideUS	0.29
CY2009	akam	Percentage Of Revenue From Outside Us PercentageOfRevenueFromOutsideUS	0.28
CY2010	akam	Percentage Of Revenue From Outside Us PercentageOfRevenueFromOutsideUS	0.28
CY2009	akam	Percentage Of Revenues Related To Europe PercentageOfRevenuesRelatedToEurope	0.18
CY2010	akam	Percentage Of Revenues Related To Europe PercentageOfRevenuesRelatedToEurope	0.17
CY2009	akam	Provision For Income Taxes On Stock Based Compensation ProvisionForIncomeTaxesOnStockBasedCompensation	22633000	USD
CY2010Q4	akam	Purchased Software Gross PurchasedSoftwareGross	29885000	USD
CY2011Q4	akam	Purchased Software Gross PurchasedSoftwareGross	31388000	USD
CY2010	akam	Realized Loss On Other Investment Related Assets Included In Statement Of Operations RealizedLossOnOtherInvestmentRelatedAssetsIncludedInStatementOfOperations	9614000	USD
CY2011Q4	akam	Reserve For Cash Basis Customers ReserveForCashBasisCustomers	2928000	USD
CY2010Q4	akam	Reserve For Cash Basis Customers ReserveForCashBasisCustomers	3903000	USD
CY2009	akam	Restricted Stock Units Vesting Conditions Service And Performance Based Granted Total RestrictedStockUnitsVestingConditionsServiceAndPerformanceBasedGrantedTotal	4316000	shares
CY2010	akam	Restricted Stock Units Vesting Conditions Service And Performance Based Granted Total RestrictedStockUnitsVestingConditionsServiceAndPerformanceBasedGrantedTotal	2721000	shares
CY2011	akam	Restricted Stock Units Vesting Conditions Service And Performance Based Granted Total RestrictedStockUnitsVestingConditionsServiceAndPerformanceBasedGrantedTotal	3553000	shares
CY2010	akam	Return Of Loaned Common Stock ReturnOfLoanedCommonStock	430000	USD
CY2011	akam	Return Of Loaned Common Stock ReturnOfLoanedCommonStock	0	USD
CY2009	akam	Return Of Loaned Common Stock ReturnOfLoanedCommonStock	427000	USD
CY2011Q4	akam	Share Based Compensation Arrangement By Share Based Payment Award Options In The Money Vested And Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsInTheMoneyVestedAndExercisableNumber	4700000	shares
CY2011	akam	Stock Issued During Periodvalue Exercise Of Stock Options And Vesting Of Restricted And Deferred Stock Units StockIssuedDuringPeriodvalueExerciseOfStockOptionsAndVestingOfRestrictedAndDeferredStockUnits	4203000	USD
CY2010	akam	Stock Issued During Periodvalue Exercise Of Stock Options And Vesting Of Restricted And Deferred Stock Units StockIssuedDuringPeriodvalueExerciseOfStockOptionsAndVestingOfRestrictedAndDeferredStockUnits	33625000	USD
CY2009	akam	Stock Issued During Periodvalue Exercise Of Stock Options And Vesting Of Restricted And Deferred Stock Units StockIssuedDuringPeriodvalueExerciseOfStockOptionsAndVestingOfRestrictedAndDeferredStockUnits	12028000	USD
CY2011Q4	akam	Stock Price At End Of Year StockPriceAtEndOfYear	32.28
CY2011Q2	akam	Stock Repurchase Program Increase In Authorized Amount StockRepurchaseProgramIncreaseInAuthorizedAmount	150000000	USD
CY2010Q2	akam	Stock Repurchase Program Increase In Authorized Amount StockRepurchaseProgramIncreaseInAuthorizedAmount	150000000	USD
CY2011Q3	akam	Stock Repurchase Program Increase In Authorized Amount StockRepurchaseProgramIncreaseInAuthorizedAmount	250000000	USD
CY2010Q4	akam	Total Accounts Receivable Reserves TotalAccountsReceivableReserves	5232000	USD
CY2011Q4	akam	Total Accounts Receivable Reserves TotalAccountsReceivableReserves	4555000	USD
CY2011	akam	Total Stock Based Compensation Net Of Taxes TotalStockBasedCompensationNetOfTaxes	40093000	USD
CY2010	akam	Total Stock Based Compensation Net Of Taxes TotalStockBasedCompensationNetOfTaxes	49902000	USD
CY2009	akam	Total Stock Based Compensation Net Of Taxes TotalStockBasedCompensationNetOfTaxes	36164000	USD
CY2011Q4	akam	Unrecognized Tax Benefits Including Accrued Interest And Penalties UnrecognizedTaxBenefitsIncludingAccruedInterestAndPenalties	17200000	USD
CY2010Q4	akam	Unrecognized Tax Benefits Including Accrued Interest And Penalties UnrecognizedTaxBenefitsIncludingAccruedInterestAndPenalties	15100000	USD
CY2011	dei	Amendment Flag AmendmentFlag	false
CY2011	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2011	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2011	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2011
CY2011	dei	Document Period End Date DocumentPeriodEndDate	2011-12-31
CY2011	dei	Document Type DocumentType	10-K
CY2011	dei	Entity Central Index Key EntityCentralIndexKey	0001086222
CY2012Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	177800850	shares
CY2011	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2011	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2011Q2	dei	Entity Public Float EntityPublicFloat	5724600000	USD
CY2011	dei	Entity Registrant Name EntityRegistrantName	AKAMAI TECHNOLOGIES INC
CY2011	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2011	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
0001266432-12-000010-index-headers.html	Edgar Link	pending
0001266432-12-000010-index.html	Edgar Link	pending
0001266432-12-000010.txt	Edgar Link	pending
0001266432-12-000010-xbrl.zip	Edgar Link	pending
akam-20111231.xml	Edgar Link	completed
akam-20111231.xsd	Edgar Link	pending
akam-20111231_cal.xml	Edgar Link	unprocessable
akam-20111231_def.xml	Edgar Link	unprocessable
akam-20111231_lab.xml	Edgar Link	unprocessable
akam-20111231_pre.xml	Edgar Link	unprocessable
akam10k122111ex1031.htm	Edgar Link	pending
akam10k123111.htm	Edgar Link	pending
akam10k123111ex1017.htm	Edgar Link	pending
akam10k123111ex211.htm	Edgar Link	pending
akam10k123111ex231.htm	Edgar Link	pending
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akam10k123111ex321.htm	Edgar Link	pending
akam10k123111ex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$AKAM
Akamai Technologies Inc Stock $akam

2011 Form 10-K Financial Statement

#000126643212000010 Filed on February 29, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AKAM Akamai Technologies Inc Stock $akam

2011 Form 10-K Financial Statement

#000126643212000010 Filed on February 29, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AKAM
Akamai Technologies Inc Stock $akam