$RMBS
RAMBUS INC Stock $rmbs

$rmbs Overview Financials Valuation SEC Filings Company Website

2016 Form 10-K Financial Statement

#000091727317000007 Filed on February 17, 2017

Income Statement

Concept	2016	2015 Q4	2015 Q3
Revenue	$336.6M	$76.77M	$73.78M
YoY Change	13.61%	6.57%	5.83%
Cost Of Revenue	$45.76M	$11.30M	$11.11M
YoY Change	38.81%	5.61%	5.42%
Gross Profit	$290.8M	$65.40M	$62.67M
YoY Change	10.45%	6.69%	5.91%
Gross Profit Margin	86.4%	85.19%	84.94%
Selling, General & Admin	$95.15M	$16.90M	$17.86M
YoY Change	34.85%	-11.52%	-1.87%
% of Gross Profit	32.71%	25.84%	28.5%
Research & Development	$129.8M	$25.60M	$27.78M
YoY Change	16.86%	-9.86%	2.85%
% of Gross Profit	44.65%	39.14%	44.34%
Depreciation & Amortization	$12.97M	$9.200M	$9.400M
YoY Change	4.73%	-3.16%	-6.93%
% of Gross Profit	4.46%	14.07%	15.0%
Operating Expenses	$225.0M	$42.50M	$45.64M
YoY Change	23.85%	-10.9%	0.95%
Operating Profit	$33.64M	$20.33M	$17.64M
YoY Change	-52.9%	15.63%	21.92%
Interest Expense	$12.75M	-$2.800M	$3.117M
YoY Change	2.67%	-3.45%	1.9%
% of Operating Profit	37.88%	-13.77%	17.67%
Other Income/Expense, Net	-$11.01M		-$2.578M
YoY Change	-1.64%		-28.55%
Pretax Income	$22.64M	$17.60M	$15.06M
YoY Change	-62.42%	19.73%	38.69%
Income Tax	$15.82M	$4.600M	-$167.0M
% Of Pretax Income	69.87%	26.14%	-1108.56%
Net Earnings	$6.820M	$12.99M	$182.0M
YoY Change	-96.77%	65.69%	3201.89%
Net Earnings / Revenue	2.03%	16.92%	246.73%
Basic Earnings Per Share	$0.06		$1.56
Diluted Earnings Per Share	$0.06	$115.1K	$1.52
COMMON SHARES
Basic Shares Outstanding	110.2M shares	111.5M shares	116.4M shares
Diluted Shares Outstanding	113.1M shares	113.4M shares	119.5M shares

Balance Sheet

Concept	2016	2015 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$172.2M	$287.7M	$362.9M
YoY Change	-40.15%	-4.13%	33.86%
Cash & Equivalents	$135.3M	$143.8M	$216.6M
Short-Term Investments	$36.90M	$143.9M	$146.3M
Other Short-Term Assets	$17.90M	$11.50M	$28.80M
YoY Change	55.65%	32.18%	206.38%
Inventory	$5.600M	$1.080M
Prepaid Expenses
Receivables	$21.10M	$16.41M	$10.31M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$216.8M	$315.6M	$401.9M
YoY Change	-31.31%	0.24%	40.76%
LONG-TERM ASSETS
Property, Plant & Equipment	$58.40M	$56.62M	$59.08M
YoY Change	3.18%	-11.57%	-10.35%
Goodwill		$116.9M	$116.9M
YoY Change		0.0%	0.0%
Intangibles		$64.27M
YoY Change
Long-Term Investments
YoY Change
Other Assets	$171.1M	$2.165M	$3.690M
YoY Change	3.89%	-17.11%	45.16%
Total Long-Term Assets	$566.7M	$402.4M	$393.9M
YoY Change	40.83%	47.17%	39.89%
TOTAL ASSETS
Total Short-Term Assets	$216.8M	$315.6M	$401.9M
Total Long-Term Assets	$566.7M	$402.4M	$393.9M
Total Assets	$783.5M	$718.0M	$795.9M
YoY Change	9.12%	22.05%	40.33%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.800M	$4.096M	$5.928M
YoY Change	139.02%	-41.17%	4.05%
Accrued Expenses	$14.20M	$12.30M	$9.400M
YoY Change	15.45%	-16.89%	-20.34%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$51.30M	$28.37M	$27.61M
YoY Change	80.63%	-18.15%	5.08%
LONG-TERM LIABILITIES
Long-Term Debt	$164.2M	$158.0M	$158.2M
YoY Change	3.92%	2.46%	3.53%
Other Long-Term Liabilities	$3.600M	$5.079M	$1.475M
YoY Change	-29.41%	0.02%	-82.93%
Total Long-Term Liabilities	$167.8M	$5.079M	$1.475M
YoY Change	2.88%	0.02%	-82.93%
TOTAL LIABILITIES
Total Short-Term Liabilities	$51.30M	$28.37M	$27.61M
Total Long-Term Liabilities	$167.8M	$5.079M	$1.475M
Total Liabilities	$230.7M	$191.5M	$190.0M
YoY Change	20.47%	-2.63%	0.24%
SHAREHOLDERS EQUITY
Retained Earnings		-$604.3M	-$563.1M
YoY Change		-20.64%	-26.81%
Common Stock		$1.130B	$1.169B
YoY Change		-2.0%	1.92%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$552.8M	$526.5M	$605.9M
YoY Change
Total Liabilities & Shareholders Equity	$783.5M	$718.0M	$795.9M
YoY Change	9.12%	22.05%	40.33%

Cashflow Statement

Concept	2016	2015 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$6.820M	$12.99M	$182.0M
YoY Change	-96.77%	65.69%	3201.89%
Depreciation, Depletion And Amortization	$12.97M	$9.200M	$9.400M
YoY Change	4.73%	-3.16%	-6.93%
Cash From Operating Activities	$95.60M	$22.70M	$15.30M
YoY Change	23.77%	-13.03%	-35.98%
INVESTING ACTIVITIES
Capital Expenditures	$8.556M	-$1.400M	-$1.600M
YoY Change	39.53%	-12.5%	23.08%
Acquisitions	$202.5M
YoY Change
Other Investing Activities	-$96.70M	$4.000M	$400.0K
YoY Change	-1443.06%	48.15%	-63.64%
Cash From Investing Activities	-$105.2M	$2.700M	-$1.300M
YoY Change	-9743.26%	145.45%	333.33%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00
YoY Change	-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$2.701M	-98.20M	1.100M
YoY Change	-103.05%	-7114.29%	-54.17%
NET CHANGE
Cash From Operating Activities	$95.60M	22.70M	15.30M
Cash From Investing Activities	-$105.2M	2.700M	-1.300M
Cash From Financing Activities	$2.701M	-98.20M	1.100M
Net Change In Cash	-$6.905M	-72.80M	15.10M
YoY Change	-32.6%	-354.55%	-41.92%
FREE CASH FLOW
Cash From Operating Activities	$95.60M	$22.70M	$15.30M
Capital Expenditures	$8.556M	-$1.400M	-$1.600M
Free Cash Flow	$87.05M	$24.10M	$16.90M
YoY Change	22.41%	-13.0%	-32.94%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016	dei	Entity Registrant Name EntityRegistrantName	RAMBUS INC
CY2016	dei	Amendment Flag AmendmentFlag	false
CY2016	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2016	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2016	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
CY2016	dei	Document Period End Date DocumentPeriodEndDate	2016-12-31
CY2016	dei	Document Type DocumentType	10-K
CY2016	dei	Entity Central Index Key EntityCentralIndexKey	0000917273
CY2017Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	111176433	shares
CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2016	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2016Q2	dei	Entity Public Float EntityPublicFloat	1000000000	USD
CY2016	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2016	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2015Q4	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	287894000	USD
CY2016Q4	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	172202000	USD
CY2015Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	287706000	USD
CY2016Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	172182000	USD
CY2015Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Gains CashCashEquivalentsAndShortTermInvestmentsUnrealizedGains	0	USD
CY2016Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Gains CashCashEquivalentsAndShortTermInvestmentsUnrealizedGains	1000	USD
CY2015Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Losses CashCashEquivalentsAndShortTermInvestmentsUnrealizedLosses	188000	USD
CY2016Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Losses CashCashEquivalentsAndShortTermInvestmentsUnrealizedLosses	21000	USD
CY2015Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	34969000	USD
CY2016Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	51031000	USD
CY2015Q4	rmbs	Current And Long Term Imputed Financing Obligation CurrentAndLongTermImputedFinancingObligation	39300000	USD
CY2016Q4	rmbs	Current And Long Term Imputed Financing Obligation CurrentAndLongTermImputedFinancingObligation	38900000	USD
CY2015Q4	rmbs	Deferred Tax Assets Depreciation And Amortization DeferredTaxAssetsDepreciationAndAmortization	30019000	USD
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CY2014	rmbs	Effective Income Tax Rate Reconciliation Withholding Tax EffectiveIncomeTaxRateReconciliationWithholdingTax	0.386
CY2015	rmbs	Effective Income Tax Rate Reconciliation Withholding Tax EffectiveIncomeTaxRateReconciliationWithholdingTax	0.341
CY2016	rmbs	Effective Income Tax Rate Reconciliation Withholding Tax EffectiveIncomeTaxRateReconciliationWithholdingTax	0.970
CY2014	rmbs	Effectof Exchange Rateonassumedcashliabilityfromacquisition EffectofExchangeRateonassumedcashliabilityfromacquisition	0	USD
CY2015	rmbs	Effectof Exchange Rateonassumedcashliabilityfromacquisition EffectofExchangeRateonassumedcashliabilityfromacquisition	0	USD
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CY2014	rmbs	Financing Expense From Lease Facilities FinancingExpenseFromLeaseFacilities	4500000	USD
CY2015	rmbs	Financing Expense From Lease Facilities FinancingExpenseFromLeaseFacilities	4500000	USD
CY2016	rmbs	Financing Expense From Lease Facilities FinancingExpenseFromLeaseFacilities	4400000	USD
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CY2016Q4	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	21000	USD
CY2016Q4	rmbs	Intangible Asset Amortization Expense After Year Five IntangibleAssetAmortizationExpenseAfterYearFive	9227000	USD
CY2015Q4	rmbs	Long Term Imputed Financing Obligation LongTermImputedFinancingObligation	38625000	USD
CY2016Q4	rmbs	Long Term Imputed Financing Obligation LongTermImputedFinancingObligation	38029000	USD
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CY2016	rmbs	Maximum Original Maturity Period To Be Classified As Cash And Cash Equivalents MaximumOriginalMaturityPeriodToBeClassifiedAsCashAndCashEquivalents	P3M
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CY2014	rmbs	Paymentofadditionalpurchaseconsiderationfromacquisition Paymentofadditionalpurchaseconsiderationfromacquisition	0	USD
CY2015	rmbs	Paymentofadditionalpurchaseconsiderationfromacquisition Paymentofadditionalpurchaseconsiderationfromacquisition	0	USD
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CY2014	rmbs	Payments Under Installment PaymentsUnderInstallment	1773000	USD
CY2015	rmbs	Payments Under Installment PaymentsUnderInstallment	1717000	USD
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CY2010Q1	rmbs	Stock Repurchase Program Additional Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramAdditionalNumberOfSharesAuthorizedToBeRepurchased	12500000	shares
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CY2016	rmbs	Termsof Noncancellable License Agreement Minimum TermsofNoncancellableLicenseAgreementMinimum	P1Y
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CY2015	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2016	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-6845000	USD
CY2015Q4	us-gaap	Cash Cash	34969000	USD
CY2016Q4	us-gaap	Cash Cash	51031000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	338696000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	154126000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	143764000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	135294000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-184570000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-10362000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-8470000	USD
CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	109287591	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	111053734	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	109287591	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	111053734	shares
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	109000	USD
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	111000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	26104000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	212163000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-7061000	USD
CY2014	us-gaap	Contracts Revenue ContractsRevenue	25037000	USD
CY2015	us-gaap	Contracts Revenue ContractsRevenue	33863000	USD
CY2016	us-gaap	Contracts Revenue ContractsRevenue	71983000	USD
CY2016Q4	us-gaap	Contractual Obligation ContractualObligation	198417000	USD
CY2016Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	4000	USD
CY2016Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	543000	USD
CY2016Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	3472000	USD
CY2016Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	24001000	USD
CY2016Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	158831000	USD
CY2016Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	11566000	USD
CY2015Q4	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	119418000	USD
CY2016Q4	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	126167000	USD
CY2015Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	119418000	USD
CY2016Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	126167000	USD
CY2015Q4	us-gaap	Convertible Notes Payable Current ConvertibleNotesPayableCurrent	0	USD
CY2016Q4	us-gaap	Convertible Notes Payable Current ConvertibleNotesPayableCurrent	0	USD
CY2014	us-gaap	Cost Of Revenue CostOfRevenue	41947000	USD
CY2015	us-gaap	Cost Of Revenue CostOfRevenue	45344000	USD
CY2016	us-gaap	Cost Of Revenue CostOfRevenue	67090000	USD
CY2014	us-gaap	Costs And Expenses CostsAndExpenses	221212000	USD
CY2015Q1	us-gaap	Costs And Expenses CostsAndExpenses	55022000	USD
CY2015Q2	us-gaap	Costs And Expenses CostsAndExpenses	57258000	USD
CY2015Q3	us-gaap	Costs And Expenses CostsAndExpenses	56139000	USD
CY2015Q4	us-gaap	Costs And Expenses CostsAndExpenses	56439000	USD
CY2015	us-gaap	Costs And Expenses CostsAndExpenses	224858000	USD
CY2016Q1	us-gaap	Costs And Expenses CostsAndExpenses	63388000	USD
CY2016Q2	us-gaap	Costs And Expenses CostsAndExpenses	64493000	USD
CY2016Q3	us-gaap	Costs And Expenses CostsAndExpenses	78039000	USD
CY2016Q4	us-gaap	Costs And Expenses CostsAndExpenses	97035000	USD
CY2016	us-gaap	Costs And Expenses CostsAndExpenses	302955000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19386000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20497000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	22115000	USD
CY2014	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1640000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	443000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1275000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	713000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	609000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	884000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2337000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-170798000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-2198000	USD
CY2014	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-27000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	25000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-5988000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2310000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-172706000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7116000	USD
CY2015Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	5780000	USD
CY2016Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	16932000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1933000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-271000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	189246000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	184141000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	162485000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	156742000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	162485000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	168342000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	11746000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	11439000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	117078000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	120660000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	23176000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	17426000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	7227000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	12442000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	20717000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	23529000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	0	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	11600000	USD
CY2014	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1900000	USD
CY2015	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2100000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2000000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.06
CY2016	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.50
CY2016	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.60
CY2014	us-gaap	Depreciation Depreciation	13625000	USD
CY2015	us-gaap	Depreciation Depreciation	12379000	USD
CY2016	us-gaap	Depreciation Depreciation	12965000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.84
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.06
CY2014	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.23
CY2015Q1	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.08
CY2015Q2	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.06
CY2015Q3	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	1.56
CY2015Q4	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.12
CY2015	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	1.84
CY2016Q1	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.02
CY2016Q2	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.04
CY2016Q3	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.04
CY2016Q4	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	-0.03
CY2016	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	0.06
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.80
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.06
CY2016Q4	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	-0.03
CY2016	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.06
CY2014	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.22
CY2015Q1	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.08
CY2015Q2	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.06
CY2015Q3	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	1.52
CY2015Q4	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.11
CY2015	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	1.80
CY2016Q1	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.02
CY2016Q2	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.03
CY2016Q3	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.04
CY2014	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-97000	USD
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-117000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1565000	USD
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.479
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-2.510
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.699
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.134
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2.878
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.000
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.025
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.004
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.041
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.014
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.053
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.348
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.006
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.006
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.010
CY2014	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.010
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.015
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.018
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.387
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.341
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.970
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.061
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.023
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.083
CY2015Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	12278000	USD
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	14177000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	481000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	747000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1196000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	481000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	44391000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	747000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	1196000	USD
CY2015	us-gaap	Fair Value Inputs Long Term Revenue Growth Rate FairValueInputsLongTermRevenueGrowthRate	0.03
CY2016	us-gaap	Fair Value Inputs Long Term Revenue Growth Rate FairValueInputsLongTermRevenueGrowthRate	0.03
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	152448000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	194777000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	3670000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	12241000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	18505000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	19144000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	28880000	USD
CY2014	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	3529000	USD
CY2014	us-gaap	Gain Loss On Disposition Of Intangible Assets GainLossOnDispositionOfIntangibleAssets	3529000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Intangible Assets GainLossOnDispositionOfIntangibleAssets	3686000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Intangible Assets GainLossOnDispositionOfIntangibleAssets	0	USD
CY2014	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	2040000	USD
CY2015	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	2040000	USD
CY2016	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	579000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	116899000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	116899000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	204794000	USD
CY2015	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	93641000	USD
CY2016	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	5746000	USD
CY2015Q4	us-gaap	Goodwill Gross GoodwillGross	138669000	USD
CY2016Q4	us-gaap	Goodwill Gross GoodwillGross	226564000	USD
CY2015Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	21770000	USD
CY2016Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	21770000	USD
CY2015	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2014	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2015	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2016	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	18300000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	49173000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	58498000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	38211000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	50250000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	60231000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22637000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1077000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1733000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-15574000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	50250000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	60231000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	22637000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24049000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-151157000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15817000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	20691000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21679000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2621000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	26787000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2006000	USD
CY2014	us-gaap	Interest Expense InterestExpense	24820000	USD
CY2015	us-gaap	Interest Expense InterestExpense	12413000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2373000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3750000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10407000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-5797000	USD
CY2014	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	3667000	USD
CY2015	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	3107000	USD
CY2016	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	7313000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	2907000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3412000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1748000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-17862000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2952000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4758000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-476000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1042000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6205000	USD
CY2015Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	216714000	USD
CY2016Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	327165000	USD
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	64266000	USD
CY2016Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	132388000	USD
CY2016	us-gaap	Interest Expense InterestExpense	12745000	USD
CY2014	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-276000	USD
CY2015	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	1224000	USD
CY2016	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	1740000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	5861000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	1553000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	1553000	USD
CY2015Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	409000	USD
CY2016Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1244000	USD
CY2015Q4	us-gaap	Inventory Net InventoryNet	1080000	USD
CY2016Q4	us-gaap	Inventory Net InventoryNet	5633000	USD
CY2015Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	597000	USD
CY2016Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	3773000	USD
CY2015Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	74000	USD
CY2016Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	616000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2600000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2700000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3800000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	191488000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	230714000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	718021000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	783496000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	28366000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	51301000	USD
CY2014	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-97000	USD
CY2015	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	766000	USD
CY2016	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-396000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-163035000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-87778000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5765000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-97905000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1091000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-105208000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	76467000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	76442000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	92538000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	26201000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	9502000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	6861000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	182033000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	12992000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	211388000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	1878000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	3876000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	4511000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	-3445000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	6820000	USD
CY2014	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	548000	USD
CY2015	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	240000	USD
CY2016	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	576000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-25096000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-11189000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-11005000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	75346000	USD
CY2015Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	17892000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	15554000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	17640000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	20334000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	71420000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	9294000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	12008000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	11816000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	524000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	33642000	USD
CY2015Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	6212000	USD
CY2016Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	10399000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2165000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2749000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	9000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-13485000	USD
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2015Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5079000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3617000	USD
CY2014	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	600000	USD
CY2015	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100113000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	240281000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	157811000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	54869000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	202523000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7204000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6132000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8556000	USD
CY2015Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2015Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	10396000	USD
CY2016Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	17867000	USD
CY2014	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	11079000	USD
CY2015	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	13783000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	15436000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	118735000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	112721000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	110081000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	24986000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	48380000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	50546000	USD
CY2014	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	4400000	USD
CY2014	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	5859000	USD
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	3933000	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	113000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	124271000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	138647000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	56616000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	58442000	USD
CY2014	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	172500000	USD
CY2015	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
CY2016	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
CY2014	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	110025000	USD
CY2015	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	111110000	USD
CY2016	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	129844000	USD
CY2014	us-gaap	Restructuring Charges RestructuringCharges	39000	USD
CY2015	us-gaap	Restructuring Charges RestructuringCharges	3576000	USD
CY2016	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2014	us-gaap	Restructuring Costs RestructuringCosts	0	USD
CY2015	us-gaap	Restructuring Costs RestructuringCosts	583000	USD
CY2016	us-gaap	Restructuring Costs RestructuringCosts	0	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-604317000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-615051000	USD
CY2014	us-gaap	Royalty Revenue RoyaltyRevenue	271521000	USD
CY2015	us-gaap	Royalty Revenue RoyaltyRevenue	262415000	USD
CY2016	us-gaap	Royalty Revenue RoyaltyRevenue	264614000	USD
CY2014	us-gaap	Sales Revenue Net SalesRevenueNet	296558000	USD
CY2015Q1	us-gaap	Sales Revenue Net SalesRevenueNet	72914000	USD
CY2015Q2	us-gaap	Sales Revenue Net SalesRevenueNet	72812000	USD
CY2015Q3	us-gaap	Sales Revenue Net SalesRevenueNet	73779000	USD
CY2015Q4	us-gaap	Sales Revenue Net SalesRevenueNet	76773000	USD
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	296278000	USD
CY2016Q1	us-gaap	Sales Revenue Net SalesRevenueNet	72682000	USD
CY2016Q2	us-gaap	Sales Revenue Net SalesRevenueNet	76501000	USD
CY2016Q3	us-gaap	Sales Revenue Net SalesRevenueNet	89855000	USD
CY2016Q4	us-gaap	Sales Revenue Net SalesRevenueNet	97559000	USD
CY2016	us-gaap	Sales Revenue Net SalesRevenueNet	336597000	USD
CY2014	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	74770000	USD
CY2015	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	70554000	USD
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	95145000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	14730000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	15096000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	21013000	USD
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2016Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	200000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	10559000	USD
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	13077000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	12297000	USD
CY2014Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	19000000	shares
CY2015Q1	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	20000000.0	shares
CY2014Q4	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	5200000	shares
CY2016Q4	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	11500000	shares
CY2015	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	7812000	shares
CY2016Q2	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	736000	shares
CY2015	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	80000000	USD
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	17600000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	340229000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	391622000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	526533000	USD
CY2016Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110788000	shares
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	171000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	218000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	221000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1134000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1186000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1225000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	531000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	552782000	USD
CY2016Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	6700000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	18794000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19903000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20836000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	21900000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	21925000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	556000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	35000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	256000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2200000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2200000	USD
CY2015Q3	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-174456000	USD
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3306000	shares
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2670000	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2978000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117624000	shares
CY2015Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117442000	shares
CY2015Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	120939000	shares
CY2015Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	119542000	shares
CY2015Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113388000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117484000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112252000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112061000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113723000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110788000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113140000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	114318000	shares
CY2015Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	115336000	shares
CY2015Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116027000	shares
CY2015Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116444000	shares
CY2015Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111476000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	114814000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109733000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109904000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110214000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110162000	shares
CY2016	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Credit Concentration</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">As of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 31, 2016</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2015</font><font style="font-family:inherit;font-size:10pt;">, the Company’s cash, cash equivalents and marketable securities were invested with various financial institutions in the form of corporate notes, bonds and commercial paper, money market funds, U.S. Treasuries, U.S. Government Agencies, and municipal bonds and notes. The Company’s exposure to market risk for changes in interest rates relates primarily to its investment portfolio. The Company places its investments with high credit issuers and, by investment policy, attempts to limit the amount of credit exposure to any one issuer. As stated in the Company’s investment policy, it will ensure the safety and preservation of the Company’s invested funds by limiting default risk and market risk. The Company has no investments denominated in foreign country currencies and therefore is not subject to foreign exchange risk from these assets.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company mitigates default risk by investing in high credit quality securities and by positioning its portfolio to respond appropriately to a significant reduction in a credit rating of any investment issuer or guarantor. The portfolio includes only marketable securities with active secondary or resale markets to enable portfolio liquidity.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company's accounts receivable are derived from revenue earned from customers located in the U.S. and internationally. See Note 6, "Segments and Major Customers" for further details.</font></div></div>
CY2016	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Recent Accounting Pronouncements</font></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In January 2017, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2017-04, "Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment," which removes Step 2 of the goodwill impairment test. A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. This ASU is effective for interim and annual reporting periods beginning after December 15, 2019. Early adoption is permitted, including adoption in an interim period. The Company is currently evaluating the impact that this guidance will have on its consolidated financial statements.</font></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In January 2017, the FASB issued ASU No. 2017-01, "Business Combinations (Topic 805): Clarifying the Definition of a Business." The amendment seeks to clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. The definition of a business affects many areas of accounting including acquisitions, disposals, goodwill and consolidation. This ASU is effective for interim and annual reporting periods beginning after December 15, 2017, including interim periods within those periods. The amendments should be applied prospectively on or after the effective dates. The Company is currently evaluating the impact that this guidance will have on its consolidated financial statements.</font></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In August 2016, the FASB issued ASU No. 2016-15 which amends the guidance on the classification of certain cash receipts and payments in the statement of cash flows. This ASU is effective for annual and interim reporting periods beginning after December 15, 2017 and is applied retrospectively. Early adoption is permitted including adoption in an interim period. The Company is currently evaluating the impact that this guidance will have on its financial condition and results of operations. </font></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In June 2016, the FASB issued ASU No. 2016-13. The purpose of this ASU is to require a financial asset measured at amortized cost basis to be presented at the net amount expected to be collected. Credit losses relating to available-for-sale debt securities should be recorded through an allowance for credit losses. This ASU is effective for interim and annual reporting periods beginning after December 15, 2019. The Company is currently evaluating the impact that this guidance will have on its financial condition and results of operations. </font></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In March 2016, the FASB issued ASU No. 2016-09, "Improvements to Employee Share-Based Payment Accounting." This ASU affects entities that issue share-based payment awards to their employees. The ASU is designed to simplify several aspects of accounting for share-based payment award transactions, which include the income tax consequences, classification of awards as either equity or liabilities, classification on the statement of cash flows and forfeiture rate calculations. The Company will adopt this ASU on its effective date of January 1, 2017. The adoption of this ASU is not expected to have a material impact on the Company's consolidated financial statements.</font></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In February 2016, the FASB issued ASU No. 2016-02, "Leases." This ASU requires lessees to recognize right-of-use assets and liabilities for operating leases, initially measured at the present value of the lease payments, on the balance sheet. In addition, it requires lessees to recognize a single lease cost, calculated so that the cost of the lease is allocated over the lease term, generally on a straight-line basis. This ASU will become effective for the Company in the first quarter of fiscal year 2019, and requires adoption using a modified retrospective approach. The Company is evaluating the impact of adopting this new accounting standard update on its consolidated financial statements and related disclosures and anticipates this new guidance will materially impact the Company’s financial statements given the Company has a significant number of operating leases.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In July 2015, the FASB issued ASU No. 2015-11, "Simplifying the Measurement of Inventory (Topic 330)," which applies to inventory that is measured using first-in, first-out (“FIFO”) or average cost. Under the updated guidance, an entity should measure inventory that is within scope at the lower of cost and net realizable value, which is the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal and transportation. Subsequent measurement is unchanged for inventory that is measured using last-in, last-out (“LIFO”). This ASU is effective for annual and interim periods beginning after December 15, 2016, and should be applied prospectively with early adoption permitted at the beginning of an interim or annual reporting period. The Company will adopt this ASU on its effective date of January 1, 2017. The adoption of this ASU is not expected to have a material impact on the Company's consolidated financial statements.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In April 2015, the FASB issued ASU No. 2015-03, "Simplifying the Presentation of Debt Issuance Costs," which requires debt issuance costs related to a recognized debt liability to be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. This ASU requires retrospective adoption and is effective for financial statements issued for fiscal years beginning after December 15, 2015 and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this ASU in the first quarter of 2016 on a retrospective basis. Refer to Note 10, "Convertible Notes" for further details. </font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) which amended the existing accounting standards for revenue recognition. The core principle of the new guidance is for companies to recognize revenue to depict the transfer of goods or services to customers in amounts that reflect the consideration (that is, payment) to which the company expects to be entitled in exchange for those goods or services. The new guidance also will result in enhanced disclosures about revenue, provide guidance for transactions that were not previously addressed comprehensively (for example, service revenue and contract modifications) and improve guidance for multiple element arrangements. Subsequently, the FASB has issued the following standards related to ASU No. 2014-09: ASU No. 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing; ASU No. 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients; and ASU No. 2016-20, Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers. The Company must adopt ASU 2016-10, ASU 2016-12 and ASU 2016-20 with ASU 2014-09 (collectively, the "new revenue standards").</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The new revenue standards may be applied retrospectively to each prior period presented (full retrospective method) or retrospectively with the cumulative effect recognized as of the date of initial application (the modified retrospective method). The new revenue standards become effective for the Company on January 1, 2018. The Company currently anticipates adopting the new revenue standards using the full retrospective method. While the Company is still in the process of completing its analysis on the impact this guidance will have on its consolidated financial statements and related disclosures, the Company expects the impact to be material.</font></div></div>
CY2016	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Formation and Business of the Company</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Rambus Inc. (the “Company” or “Rambus”) was incorporated in California in March 1990 and reincorporated in Delaware in March 1997. In addition to licensing, the Company is creating new business opportunities through offering products and services where its goal is to perpetuate strong company operating performance and long-term stockholder value. The Company generates revenue by licensing its inventions and solutions, selling its semiconductor products and providing services to market-leading companies.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:17px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">While the Company has historically focused its efforts on the development of technologies for memory, SerDes and other chip interfaces, the Company has expanded its portfolio of inventions and solutions to address chip and system security, mobile payments and smart ticketing. The Company intends to continue its growth into new technology fields, consistent with its mission to create value through its innovations and to make those technologies available through the shipment of products, the provision of services, as well as the Company's licensing business models. Key to its efforts continues to be hiring and retaining world-class inventors, scientists and engineers to lead the development and deployment of inventions and technology solutions for its fields of focus.</font></div></div>
CY2016	us-gaap	Reclassifications Reclassifications	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Reclassifications</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain prior year balances were reclassified to conform to the current year’s presentation. None of these reclassifications had an impact on reported net income or cash flows for any of the periods presented. Refer to Note 9 "Balance Sheet Details" and Note 10 "Convertible Notes" for details.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"></font></div></div>
CY2016	us-gaap	Revenue Recognition Long Term Contracts RevenueRecognitionLongTermContracts	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">For development contracts related to licenses of its solutions that involve significant engineering and integration services, the Company uses the proportional performance method. The measurement of progress to completion is based on actual man-months incurred during the reporting period, not to exceed the billable project acceptances received. Contract costs are recognized as incurred. Maintenance and support revenue includes minimal hours of post-implementation customer support that is recognized ratably over the support period.</font></div><div style="line-height:120%;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"></font></div></div>
CY2016	us-gaap	Revenue Recognition Sales Of Goods RevenueRecognitionSalesOfGoods	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Product revenue is recognized upon shipment of product to customers, net of accruals for estimated sales returns and allowances, which to date, have not been significant. However, some of the Company’s sales are made through distributors under arrangements that allow for price protection or rights of return on product unsold by the distributors. Product revenue on sales made through distributors with rights of return or price protection is deferred until the distributors sell the product to end customers. Sales to distributors are included in deferred revenue and the Company defers the related costs until sale to the end customers occurs. Price protection rights allow distributors the right to a credit in the event of declines in the price of the Company’s product that they hold prior to the sale to an end customer. In the event that the Company reduces the selling price of products held by distributors, deferred revenue related to distributors with price protection rights is reduced upon notification to the customer of the price change. The Company’s sales to direct customers are made primarily pursuant to standard purchase orders for delivery of products. The Company generally allows customers to cancel or change purchase orders within limited notice periods prior to the scheduled shipment.</font></div></div>
CY2016	us-gaap	Revenue Recognition Services Royalty Fees RevenueRecognitionServicesRoyaltyFees	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Royalty Revenue</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Rambus generally recognizes royalty revenue upon notification by its customers and when deemed collectible. The terms of the royalty agreements generally either require customers to give Rambus notification and to pay the royalties within a specified period or are based on a fixed royalty that is due within a specified period. Many of Rambus’ customers have the right to cancel their licenses. In such arrangements, revenue is only recognized to the extent that is consistent with the cancellation provisions. Cancellation provisions within such contracts generally provide for a prospective cancellation with no refund of fees already remitted by customers for products provided and payment for services rendered prior to the date of cancellation. Rambus has </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">two</font><font style="font-family:inherit;font-size:10pt;"> types of royalty revenue: (1) patent license royalties and (2) technology license royalties.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Patent licenses - Rambus licenses its broad portfolio of patented inventions to companies who use these inventions in the development and manufacture of their own products. Such licensing agreements may cover the license of part, or all, of Rambus' patent portfolio. The contractual terms of the agreements generally provide for payments over an extended period of time. For the licensing agreements with fixed royalty payments, Rambus generally recognizes revenue from these arrangements as amounts become due. For the licensing agreements with variable royalty payments which can be based on either a percentage of sales or number of units sold, Rambus earns royalties at the time that the customers’ sales occur. Rambus’ customers, however, do not report and pay royalties owed for sales in any given quarter until after the conclusion of that quarter. As Rambus is unable to estimate the customers’ sales in any given quarter to determine the royalties due to Rambus, it recognizes royalty revenues based on royalties reported by customers during the quarter and when other revenue recognition criteria are met.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In addition, Rambus may enter into certain settlements of patent infringement disputes. The amount of consideration received upon any settlement (including but not limited to past royalty payments, future royalty payments and punitive damages) is allocated to each element of the settlement based on the fair value of each element. In addition, revenues related to past royalties are recognized upon execution of the agreement by both parties, provided that the amounts are fixed or determinable, there are no significant undelivered obligations and collectability is reasonably assured. Rambus does not recognize any revenues prior to execution of the agreement since there is no reliable basis on which it can estimate the amounts for royalties related to previous periods or assess collectability. Elements that are related to royalty revenue in nature (including but not limited to past royalty payments and future royalty payments) will be recorded as royalty revenue in the consolidated statements of operations. Elements that are not related to royalty revenue in nature (including but not limited to punitive damage and settlement) will be recorded as gain from settlement which is reflected as a separate line item within the operating expenses section in the consolidated statements of operations.</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Technology licenses - Rambus develops proprietary and industry-standard products that it provides to its customers under technology license agreements. These arrangements include royalties, which can be based on either a percentage of sales or number of units sold. Rambus earns royalties on such licensed products sold worldwide by its customers at the time that the customers’ sales occur. Rambus’ customers, however, do not report and pay royalties owed for sales in any given quarter until after the conclusion of that quarter. As Rambus is unable to estimate the customers’ sales in any given quarter to determine the royalties due to Rambus, it recognizes royalty revenues based on royalties reported by customers during the quarter and when other revenue recognition criteria are met. </font></div></div>
CY2016	us-gaap	Revenue Recognition Software RevenueRecognitionSoftware	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">For software arrangements that include multiple elements, including software licenses, professional services and maintenance services, Rambus allocates and defers revenue for the undelivered items (typically only the maintenance services) based on the fair value using vendor specific objective evidence (“VSOE”), and recognizes the difference between the total arrangement fee and the amount deferred for the undelivered item(s) as revenue. VSOE of fair value of each maintenance element is based on the contractual stated renewal rate for that maintenance element. When VSOE of fair value does not exist for undelivered items, the entire arrangement fee is recognized ratably over the performance period.</font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">For software arrangements, the Company uses the percentage-of-completion method for contracts that involve the implementation of software solutions and that qualify for percentage-of-completion revenue accounting (e.g. software arrangements that contain a PCS element that has VSOE of fair value established and that have no refund rights that would allow a customer refunds of fees paid under the arrangement). Revenue is recognized based on man-days incurred during the reporting period as compared to the estimated total man- days necessary for each contract, not to exceed the billable project acceptances received, with deferral of corresponding contract costs, if applicable. Should a loss be anticipated on a contract, the full amount of the loss would be recorded when the loss is determinable. Maintenance and support revenue includes post-implementation customer support and the right to unspecified software updates and enhancements on a when and if available basis. The Company recognizes revenue from maintenance arrangements ratably over the period in which the services are provided.</font></div></div>
CY2016	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-bottom:10px;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates.</font></div></div>

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2016 Form 10-K Financial Statement

#000091727317000007 Filed on February 17, 2017

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RAMBUS INC Stock $rmbs