$RMBS
RAMBUS INC Stock $rmbs

$rmbs Overview Financials Valuation SEC Filings Company Website

2019 Q3 Form 10-Q Financial Statement

#000091727319000026 Filed on November 08, 2019

Income Statement

Concept	2019 Q3	2018 Q4	2018 Q3
Revenue	$57.40M	$68.56M	$59.75M
YoY Change	-3.94%	-32.71%	-39.72%
Cost Of Revenue	$12.57M	$10.60M	$5.952M
YoY Change	111.26%	-41.11%	-58.83%
Gross Profit	$44.83M	$58.00M	$53.80M
YoY Change	-16.69%	-30.87%	-36.46%
Gross Profit Margin	78.09%	84.59%	90.04%
Selling, General & Admin	$26.52M	$24.80M	$24.46M
YoY Change	8.42%	-13.89%	-8.72%
% of Gross Profit	59.17%	42.76%	45.47%
Research & Development	$41.49M	$37.40M	$43.13M
YoY Change	-3.81%	-5.08%	19.16%
% of Gross Profit	92.55%	64.48%	80.17%
Depreciation & Amortization	$9.500M	$7.500M	$7.700M
YoY Change	23.38%	-46.04%	-44.2%
% of Gross Profit	21.19%	12.93%	14.31%
Operating Expenses	$67.70M	$62.20M	$67.59M
YoY Change	0.16%	-8.93%	7.3%
Operating Profit	-$22.87M	-$4.200M	-$19.17M
YoY Change	19.34%	-126.72%	-212.68%
Interest Expense	$2.497M	$4.000M	$3.976M
YoY Change	-37.2%	-229.03%	20.96%
% of Operating Profit
Other Income/Expense, Net	$4.230M		$4.032M
YoY Change	4.91%		-230.95%
Pretax Income	-$18.64M	-$200.0K	-$15.14M
YoY Change	23.18%	-101.72%	-208.64%
Income Tax	-$1.300M	$1.800M	$89.80M
% Of Pretax Income
Net Earnings	-$17.33M	-$2.018M	-$104.9M
YoY Change	-83.48%	-94.42%	-1463.13%
Net Earnings / Revenue	-30.19%	-2.94%	-175.54%
Basic Earnings Per Share	-$0.16		-$0.97
Diluted Earnings Per Share	-$0.16	-$18.38K	-$0.97
COMMON SHARES
Basic Shares Outstanding	111.3M shares	108.8M shares	107.9M shares
Diluted Shares Outstanding	111.3M shares	108.8M shares	107.9M shares

Balance Sheet

Concept	2019 Q3	2018 Q4	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$338.0M	$277.8M	$248.2M
YoY Change	36.18%	-15.66%	35.19%
Cash & Equivalents	$91.84M	$115.9M	$134.5M
Short-Term Investments	$246.2M	$161.8M	$113.6M
Other Short-Term Assets	$87.00M	$15.70M	$14.40M
YoY Change	504.17%	38.94%	30.91%
Inventory	$9.854M	$6.772M	$6.272M
Prepaid Expenses
Receivables	$38.61M	$50.86M	$42.67M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$656.4M	$527.8M	$476.0M
YoY Change	37.9%	41.97%	90.84%
LONG-TERM ASSETS
Property, Plant & Equipment	$38.57M	$57.03M	$49.17M
YoY Change	-21.56%	5.02%	-9.0%
Goodwill	$164.5M	$207.2M	$208.1M
YoY Change	-20.96%	-1.18%	-0.57%
Intangibles	$35.36M	$59.94M	$65.41M
YoY Change	-45.94%	-34.65%	-36.21%
Long-Term Investments	$3.900M	$3.300M
YoY Change
Other Assets	$6.381M	$7.825M	$5.879M
YoY Change	8.54%	72.24%	157.51%
Total Long-Term Assets	$643.4M	$833.4M	$867.9M
YoY Change	-25.87%	60.48%	51.03%
TOTAL ASSETS
Total Short-Term Assets	$656.4M	$527.8M	$476.0M
Total Long-Term Assets	$643.4M	$833.4M	$867.9M
Total Assets	$1.300B	$1.361B	$1.344B
YoY Change	-3.28%	52.75%	63.08%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.429M	$7.392M	$8.572M
YoY Change	10.0%	-23.11%	22.18%
Accrued Expenses	$20.70M	$16.90M	$14.40M
YoY Change	43.75%	-1.17%	17.07%
Deferred Revenue	$9.516M	$19.37M	$12.73M
YoY Change	-25.23%	6.03%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$0.00	$0.00
YoY Change		-100.0%	-100.0%
Total Short-Term Liabilities	$88.29M	$69.29M	$59.38M
YoY Change	48.7%	-47.84%	-67.51%
LONG-TERM LIABILITIES
Long-Term Debt	$147.0M	$178.2M	$176.8M
YoY Change	-16.86%	3.18%	371.47%
Other Long-Term Liabilities	$29.03M	$5.287M	$18.04M
YoY Change	60.93%	592.92%	25.44%
Total Long-Term Liabilities	$29.03M	$5.287M	$18.04M
YoY Change	60.93%	592.92%	25.44%
TOTAL LIABILITIES
Total Short-Term Liabilities	$88.29M	$69.29M	$59.38M
Total Long-Term Liabilities	$29.03M	$5.287M	$18.04M
Total Liabilities	$338.5M	$349.0M	$335.7M
YoY Change	0.86%	9.25%	43.08%
SHAREHOLDERS EQUITY
Retained Earnings	-$280.7M	-$204.3M	-$202.3M
YoY Change	38.78%	-67.89%	-65.88%
Common Stock	$1.254B	$1.227B	$1.219B
YoY Change	2.89%	1.14%	2.62%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$961.3M	$1.012B	$1.008B
YoY Change
Total Liabilities & Shareholders Equity	$1.300B	$1.361B	$1.344B
YoY Change	-3.28%	52.75%	63.08%

Cashflow Statement

Concept	2019 Q3	2018 Q4	2018 Q3
OPERATING ACTIVITIES
Net Income	-$17.33M	-$2.018M	-$104.9M
YoY Change	-83.48%	-94.42%	-1463.13%
Depreciation, Depletion And Amortization	$9.500M	$7.500M	$7.700M
YoY Change	23.38%	-46.04%	-44.2%
Cash From Operating Activities	$25.70M	$35.00M	$31.70M
YoY Change	-18.93%	-41.28%	107.19%
INVESTING ACTIVITIES
Capital Expenditures	-$1.400M	-$3.300M	-$2.500M
YoY Change	-44.0%	-15.38%	19.05%
Acquisitions
YoY Change
Other Investing Activities	-$44.40M	-$50.90M	-$63.70M
YoY Change	-30.3%	-50.34%
Cash From Investing Activities	-$45.80M	-$54.10M	-$66.30M
YoY Change	-30.92%	-49.2%	3215.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-1.700M	1.000M	-78.80M
YoY Change	-97.84%	-98.89%	-5353.33%
NET CHANGE
Cash From Operating Activities	25.70M	35.00M	31.70M
Cash From Investing Activities	-45.80M	-54.10M	-66.30M
Cash From Financing Activities	-1.700M	1.000M	-78.80M
Net Change In Cash	-21.80M	-18.10M	-113.4M
YoY Change	-80.78%	-142.19%	-866.22%
FREE CASH FLOW
Cash From Operating Activities	$25.70M	$35.00M	$31.70M
Capital Expenditures	-$1.400M	-$3.300M	-$2.500M
Free Cash Flow	$27.10M	$38.30M	$34.20M
YoY Change	-20.76%	-39.69%	96.55%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0000917273
CY2018	rmbs	Maximum Maturity Period Available For Sale Securities MaximumMaturityPeriodAvailableForSaleSecurities	P3Y
CY2018	rmbs	Maximum Remaining Maturity Period Available For Sale Securities MaximumRemainingMaturityPeriodAvailableForSaleSecurities	P1Y
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	109017708	shares
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	111493448	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	109017708	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	111493448	shares
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2019Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
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CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	38610000	USD
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CY2019Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2019Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	111493448	shares
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	91838000	USD
CY2019Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	328000	USD
CY2019Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	340000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	000-22339
	dei	Entity Registrant Name EntityRegistrantName	RAMBUS INC
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	94-3112828
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1050 Enterprise Way
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94089
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 700
	dei	Entity Address City Or Town EntityAddressCityOrTown	Sunnyvale
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	City Area Code CityAreaCode	408
	dei	Local Phone Number LocalPhoneNumber	462-8000
	dei	Security12b Title Security12bTitle	Common Stock, $.001 Par Value
	dei	Trading Symbol TradingSymbol	RMBS
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85514000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1312000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	89758000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-17331000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-104893000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-80887000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-155939000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.16
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.97
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.73
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.44
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.16
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.97
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.44
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111315000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	107897000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110633000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108324000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111315000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	107897000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110633000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	108324000	shares
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-17331000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-104893000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-80887000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-155939000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2096000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1027000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2270000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2798000	USD
CY2019Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	17000	USD
CY2018Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-42000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	101000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-734000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-19410000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-105962000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-83056000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-159471000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	973226000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-17331000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2096000	USD
CY2019Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	17000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	79000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7388000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	961283000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	1105485000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-104893000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1027000	USD
CY2018Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-42000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2602000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6189000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	1008314000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1012112000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-80887000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2270000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	101000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6101000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21657000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	961283000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	571584000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-155939000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2798000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-734000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3295000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-50031000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	15591000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	1008314000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-80887000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-155939000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	21657000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	15591000	USD
	us-gaap	Depreciation Depreciation	16226000	USD
	us-gaap	Depreciation Depreciation	8107000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13096000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	24352000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	5104000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	7587000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	15137000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2118000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	78660000	USD
	us-gaap	Restructuring Costs RestructuringCosts	0	USD
	us-gaap	Restructuring Costs RestructuringCosts	670000	USD
	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	-424000	USD
	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	0	USD
	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	0	USD
	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	291000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	1266000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-141000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-518000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-10423000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	16862000	USD
	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	-113264000	USD
	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	-118872000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4532000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3729000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3121000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1271000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4798000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	153000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2179000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-6823000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-10824000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-9618000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-5618000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-6647000	USD
	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	6931000	USD
	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	0	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	93124000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	52064000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4161000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7849000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	463850000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	192824000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	377852000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	181704000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	0	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	1350000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	2000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
	us-gaap	Proceeds From Sale Of Other Assets1 ProceedsFromSaleOfOtherAssets1	0	USD
	us-gaap	Proceeds From Sale Of Other Assets1 ProceedsFromSaleOfOtherAssets1	3754000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1000000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	29000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	10000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	21779000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-110909000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-13855000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	11748000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	9266000	USD
	rmbs	Principal Payments Against Lease Financing Obligation PrincipalPaymentsAgainstLeaseFinancingObligation	0	USD
	rmbs	Principal Payments Against Lease Financing Obligation PrincipalPaymentsAgainstLeaseFinancingObligation	786000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5665000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5964000	USD
	rmbs	Payments Under Installment PaymentsUnderInstallment	4330000	USD
	rmbs	Payments Under Installment PaymentsUnderInstallment	0	USD
	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	81207000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50031000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1753000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-128722000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-497000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-797000	USD
	rmbs	Transfer Of Cash And Cash Equivalents To Assets Held For Sale TransferOfCashAndCashEquivalentsToAssetsHeldForSale	7545000	USD
	rmbs	Transfer Of Cash And Cash Equivalents To Assets Held For Sale TransferOfCashAndCashEquivalentsToAssetsHeldForSale	0	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-24074000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-91310000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	116252000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	225844000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	92178000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	134534000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	24997000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	675000	USD
CY2019Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2018Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21400000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	23900000	USD
CY2019Q1	rmbs	Long Term Imputed Financing Obligation LongTermImputedFinancingObligation	37600000	USD
CY2019Q1	rmbs	Property Plant And Equipment Cost Capitalization Amount PropertyPlantAndEquipmentCostCapitalizationAmount	32000000.0	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4500000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	559553000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	673616000	USD
CY2019Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	9516000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	19566000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1800000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	17900000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	28600000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P2Y
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-17331000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-104893000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-80887000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-155939000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111315000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	107897000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110633000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108324000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111315000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	107897000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110633000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	108324000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.16
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.97
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.73
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.44
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.16
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.97
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.44
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2500000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000000.0	shares
CY2018Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1900000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2800000	shares
CY2018Q4	us-gaap	Goodwill Goodwill	207178000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	11344000	USD
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	52455000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	1579000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	164488000	USD
CY2019Q3	us-gaap	Goodwill Gross GoodwillGross	238713000	USD
CY2019Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	21770000	USD
CY2019Q3	us-gaap	Disposal Group Including Discontinued Operation Goodwill1 DisposalGroupIncludingDiscontinuedOperationGoodwill1	52455000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	164488000	USD
CY2019Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	278482000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	243120000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	35362000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	328470000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	268534000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	59936000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3200000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13100000	USD
CY2018Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5100000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	24400000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	3589000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	13824000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	9831000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2881000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2360000	USD
CY2019Q3	rmbs	Intangible Asset Amortization Expense After Year Four IntangibleAssetAmortizationExpenseAfterYearFour	1277000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	33762000	USD
CY2019Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	1600000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	35362000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	57399000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	59754000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	164080000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	162638000	USD
	rmbs	Maximum Maturity Period Available For Sale Securities MaximumMaturityPeriodAvailableForSaleSecurities	P3Y
	rmbs	Maximum Remaining Maturity Period Available For Sale Securities MaximumRemainingMaturityPeriodAvailableForSaleSecurities	P1Y
CY2019Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	298094000	USD
CY2019Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	298103000	USD
CY2019Q3	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Gains CashCashEquivalentsAndShortTermInvestmentsUnrealizedGains	53000	USD
CY2019Q3	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Losses CashCashEquivalentsAndShortTermInvestmentsUnrealizedLosses	62000	USD
CY2019Q3	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	39930000	USD
CY2019Q3	us-gaap	Cash Cash	39930000	USD
CY2019Q3	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	338024000	USD
CY2019Q3	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	338033000	USD
CY2019Q3	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	53000	USD
CY2019Q3	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	62000	USD
CY2018Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	226708000	USD
CY2018Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	226809000	USD
CY2018Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Gains CashCashEquivalentsAndShortTermInvestmentsUnrealizedGains	0	USD
CY2018Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Losses CashCashEquivalentsAndShortTermInvestmentsUnrealizedLosses	101000	USD
CY2018Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	51056000	USD
CY2018Q4	us-gaap	Cash Cash	51056000	USD
CY2018Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	277764000	USD
CY2018Q4	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	277865000	USD
CY2018Q4	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	0	USD
CY2018Q4	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	101000	USD
CY2019Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	298094000	USD
CY2018Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	226708000	USD
CY2019Q3	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	39930000	USD
CY2018Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	51056000	USD
CY2019Q3	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	338024000	USD
CY2018Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	277764000	USD
CY2019Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	187667000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	216628000	USD
CY2019Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	62000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	101000	USD
CY2019Q3	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.250
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	297497	shares
CY2019Q3	us-gaap	Equity Method Investments EquityMethodInvestments	3900000	USD
CY2019Q3	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	90000	sqft
CY2019Q3	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P128M
CY2019Q3	rmbs	Lessee Operating Lease Lease Not Yet Commenced Variable Rate Beginningof Lease LesseeOperatingLeaseLeaseNotYetCommencedVariableRateBeginningofLease	3.26	USD
CY2019Q3	rmbs	Lessee Operating Lease Lease Not Yet Commenced Variable Rate Endof Lease LesseeOperatingLeaseLeaseNotYetCommencedVariableRateEndofLease	4.38	USD
CY2019Q3	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Renewal Term1 LesseeOperatingLeaseLeaseNotYetCommencedRenewalTerm1	P60M
CY2019Q3	rmbs	Lessee Operating Lease Lease Not Yet Commenced Future Lease Payments LesseeOperatingLeaseLeaseNotYetCommencedFutureLeasePayments	41000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2527000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6572000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4641000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3450000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	644000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	0	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	17834000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1037000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	16797000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y8M12D
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.043
CY2019Q3	us-gaap	Lease Cost LeaseCost	2200000	USD
	us-gaap	Lease Cost LeaseCost	6700000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	7800000	USD
CY2019Q3	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	147039000	USD
CY2018Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	141934000	USD
CY2019Q3	us-gaap	Contractual Obligation ContractualObligation	217509000	USD
CY2019Q3	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	3940000	USD
CY2019Q3	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	16152000	USD
CY2019Q3	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	14603000	USD
CY2019Q3	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	9122000	USD
CY2019Q3	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	173692000	USD
	rmbs	Termsof Noncancellable License Agreement Minimum TermsofNoncancellableLicenseAgreementMinimum	P1Y
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	429396	shares
	rmbs	Employee Stock Purchase Plans Weighted Average Price Per Share EmployeeStockPurchasePlansWeightedAveragePricePerShare	7.95
CY2019Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2100000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	23500000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-105225000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-81306000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-157113000	USD
CY2019Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.16
	rmbs	Employee Stock Purchase Plans Weighted Average Price Per Share EmployeeStockPurchasePlansWeightedAveragePricePerShare	11.66
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2015Q1	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	20000000.0	shares
CY2019Q3	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	3600000	shares
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1300000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	89800000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3400000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85500000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	183600000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	196500000	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	12800000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24300000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	171545000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	170128000	USD
CY2019Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-17304000	USD
	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated Period Percent RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent	0.04
CY2019Q3	us-gaap	Restructuring Reserve RestructuringReserve	2000000.0	USD
CY2019Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	59571000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	62837000	USD
CY2018Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.98
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.73
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-1.45

Files In Submission

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RAMBUS INC Stock $rmbs

2019 Q3 Form 10-Q Financial Statement

#000091727319000026 Filed on November 08, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RMBS RAMBUS INC Stock $rmbs

2019 Q3 Form 10-Q Financial Statement

#000091727319000026 Filed on November 08, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RMBS
RAMBUS INC Stock $rmbs