$CRUS
CIRRUS LOGIC, INC. Stock $crus

$crus Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-K Financial Statement

#000077240620000007 Filed on May 20, 2020

Income Statement

Concept	2020 Q1	2019 Q1	2018 Q4
Revenue	$279.3M	$240.4M	$324.3M
YoY Change	16.16%	-20.69%	-32.82%
Cost Of Revenue	$133.1M	$115.8M	$161.1M
YoY Change	14.94%	-23.06%	-34.96%
Gross Profit	$146.2M	$124.6M	$163.2M
YoY Change	17.33%	-18.34%	-30.59%
Gross Profit Margin	52.36%	51.84%	50.32%
Selling, General & Admin	$32.50M	$30.20M	$30.36M
YoY Change	7.62%	-16.8%	-12.24%
% of Gross Profit	22.22%	24.23%	18.61%
Research & Development	$81.90M	$92.30M	$88.58M
YoY Change	-11.27%	-3.45%	-8.69%
% of Gross Profit	56.01%	74.05%	54.28%
Depreciation & Amortization	$12.80M	$17.20M	$17.30M
YoY Change	-25.58%	-22.52%	-14.36%
% of Gross Profit	8.75%	13.8%	10.6%
Operating Expenses	$114.3M	$122.4M	$118.9M
YoY Change	-6.62%	-7.2%	-9.55%
Operating Profit	$31.94M	$2.239M	$44.24M
YoY Change	1326.31%	-89.2%	-57.3%
Interest Expense	$100.0K	$2.200M	$1.700M
YoY Change	-95.45%	57.14%	88.89%
% of Operating Profit	0.31%	98.26%	3.84%
Other Income/Expense, Net	$2.300M	-$200.0K	$101.0K
YoY Change	-1250.0%	0.0%	-66.33%
Pretax Income	$12.30M	$9.200M	$32.31M
YoY Change	33.7%	-58.18%	-69.14%
Income Tax	$2.200M	$3.000M	$2.400M
% Of Pretax Income	17.89%	32.61%	7.43%
Net Earnings	$10.16M	$6.157M	$29.93M
YoY Change	64.98%	-48.71%	-11.44%
Net Earnings / Revenue	3.64%	2.56%	9.23%
Basic Earnings Per Share	$0.17	$0.10	$0.50
Diluted Earnings Per Share	$0.17	$0.10	$0.49
COMMON SHARES
Basic Shares Outstanding	58.63M shares	59.14M shares	59.51M shares
Diluted Shares Outstanding			60.78M shares

Balance Sheet

Concept	2020 Q1	2019 Q1	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$314.1M	$286.4M	$279.1M
YoY Change	9.7%	9.3%	16.56%
Cash & Equivalents	$292.1M	$216.2M	$219.3M
Short-Term Investments	$22.01M	$70.18M	$59.79M
Other Short-Term Assets	$11.75M	$22.45M	$18.82M
YoY Change	-47.64%	61.74%	87.78%
Inventory	$146.7M	$164.7M	$167.9M
Prepaid Expenses	$23.59M	$27.96M	$32.34M
Receivables	$154.0M	$120.7M	$142.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$650.2M	$625.0M	$640.3M
YoY Change	4.03%	1.84%	-5.77%
LONG-TERM ASSETS
Property, Plant & Equipment	$158.2M	$186.2M	$191.3M
YoY Change	-15.01%	-2.6%	2.23%
Goodwill	$287.1M	$286.2M	$286.7M
YoY Change	0.31%	-0.87%	-0.62%
Intangibles
YoY Change
Long-Term Investments	$283.6M	$159.0M	$165.1M
YoY Change	78.36%	-7.83%	-4.95%
Other Assets	$27.82M	$19.69M	$24.00M
YoY Change	41.3%	-47.93%	9.9%
Total Long-Term Assets	$942.5M	$727.7M	$756.6M
YoY Change	29.52%	-10.87%	-7.03%
TOTAL ASSETS
Total Short-Term Assets	$650.2M	$625.0M	$640.3M
Total Long-Term Assets	$942.5M	$727.7M	$756.6M
Total Assets	$1.593B	$1.353B	$1.397B
YoY Change	17.75%	-5.42%	-6.46%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$78.41M	$48.40M	$108.0M
YoY Change	62.01%	-30.71%	-7.1%
Accrued Expenses	$69.30M	$45.60M	$39.60M
YoY Change	51.97%	-5.79%	-24.14%
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	$158.6M	$115.5M	$169.8M
YoY Change	37.3%	-17.59%	-3.39%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$0.00	$10.85M	$6.800M
YoY Change	-100.0%	41.66%	-93.12%
Total Long-Term Liabilities	$204.3M	$96.86M	$97.30M
YoY Change	110.88%	-24.43%	-8.41%
TOTAL LIABILITIES
Total Short-Term Liabilities	$158.6M	$115.5M	$169.8M
Total Long-Term Liabilities	$204.3M	$96.86M	$97.30M
Total Liabilities	$362.9M	$212.4M	$267.1M
YoY Change	70.86%	-20.86%	-5.28%
SHAREHOLDERS EQUITY
Retained Earnings	-$201.7M	-$221.5M	-$217.9M
YoY Change	-8.93%	58.93%	135.79%
Common Stock	$1.435B	$1.364B	$1.350B
YoY Change	5.22%	3.91%	3.7%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.230B	$1.140B	$1.130B
YoY Change
Total Liabilities & Shareholders Equity	$1.593B	$1.353B	$1.397B
YoY Change	17.75%	-5.42%	-6.46%

Cashflow Statement

Concept	2020 Q1	2019 Q1	2018 Q4
OPERATING ACTIVITIES
Net Income	$10.16M	$6.157M	$29.93M
YoY Change	64.98%	-48.71%	-11.44%
Depreciation, Depletion And Amortization	$12.80M	$17.20M	$17.30M
YoY Change	-25.58%	-22.52%	-14.36%
Cash From Operating Activities	$49.30M	$9.600M	$118.1M
YoY Change	413.54%	-90.92%	-10.73%
INVESTING ACTIVITIES
Capital Expenditures	-$3.400M	-$9.700M	-$5.000M
YoY Change	-64.95%	-57.08%	-65.03%
Acquisitions
YoY Change
Other Investing Activities	-$46.40M	$6.400M	-$24.50M
YoY Change	-825.0%	-149.61%	-35.86%
Cash From Investing Activities	-$49.90M	-$3.200M	-$29.60M
YoY Change	1459.37%	-90.99%	-43.62%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-49.50M	-9.500M	-65.20M
YoY Change	421.05%	-84.5%	95.21%
NET CHANGE
Cash From Operating Activities	49.30M	9.600M	118.1M
Cash From Investing Activities	-49.90M	-3.200M	-29.60M
Cash From Financing Activities	-49.50M	-9.500M	-65.20M
Net Change In Cash	-50.10M	-3.100M	23.30M
YoY Change	1516.13%	-134.83%	-49.78%
FREE CASH FLOW
Cash From Operating Activities	$49.30M	$9.600M	$118.1M
Capital Expenditures	-$3.400M	-$9.700M	-$5.000M
Free Cash Flow	$52.70M	$19.30M	$123.1M
YoY Change	173.06%	-84.96%	-16.03%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000772406
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--03-28
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-03-28
CY2020	dei	Entity File Number EntityFileNumber	0-17795
CY2020	dei	Entity Registrant Name EntityRegistrantName	CIRRUS LOGIC, INC.
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	77-0024818
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	800 W. 6th Street
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Austin,
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	78701
CY2020	dei	City Area Code CityAreaCode	(512)
CY2020	dei	Local Phone Number LocalPhoneNumber	851-4000
CY2020	dei	Security12g Title Security12gTitle	Common stock, $0.001 par value
CY2020	dei	Trading Symbol TradingSymbol	CRUS
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019Q3	dei	Entity Public Float EntityPublicFloat	2157695761	USD
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	58363550	shares
CY2020Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	292119000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	216172000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	22008000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	70183000	USD
CY2020Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	153998000	USD
CY2019Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	120656000	USD
CY2020Q1	us-gaap	Inventory Net InventoryNet	146725000	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	164733000	USD
CY2020Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	23594000	USD
CY2019Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	30794000	USD
CY2020Q1	us-gaap	Other Assets Current OtherAssetsCurrent	11752000	USD
CY2019Q1	us-gaap	Other Assets Current OtherAssetsCurrent	22445000	USD
CY2020Q1	us-gaap	Assets Current AssetsCurrent	650196000	USD
CY2019Q1	us-gaap	Assets Current AssetsCurrent	624983000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	283573000	USD
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CY2019Q1	us-gaap	Assets Assets	1352640000	USD
CY2020Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	78412000	USD
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CY2020Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	42439000	USD
CY2019Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	29289000	USD
CY2020Q1	crus	Software License Agreement SoftwareLicenseAgreement	10888000	USD
CY2019Q1	crus	Software License Agreement SoftwareLicenseAgreement	21514000	USD
CY2020Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	13580000	USD
CY2020Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	13318000	USD
CY2019Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16339000	USD
CY2020Q1	us-gaap	Liabilities Current LiabilitiesCurrent	158637000	USD
CY2019Q1	us-gaap	Liabilities Current LiabilitiesCurrent	115540000	USD
CY2020Q1	crus	Software License Agreement Long Term SoftwareLicenseAgreementLongTerm	3806000	USD
CY2019Q1	crus	Software License Agreement Long Term SoftwareLicenseAgreementLongTerm	8662000	USD
CY2020Q1	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	71143000	USD
CY2019Q1	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	78309000	USD
CY2020Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	129312000	USD
CY2020Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	0	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9889000	USD
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CY2019Q1	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	96860000	USD
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CY2019Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	58954000	shares
CY2019Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	58954000	shares
CY2020Q1	us-gaap	Common Stock Value CommonStockValue	58000	USD
CY2019Q1	us-gaap	Common Stock Value CommonStockValue	59000	USD
CY2020Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1434871000	USD
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CY2020Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3469000	USD
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CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-2380000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	13814000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-14729000	USD
CY2020	us-gaap	Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect	-257000	USD
CY2019	us-gaap	Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect	0	USD
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-589000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	3217000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-3530000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	157095000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	100286000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	151207000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	159498000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	89991000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	161995000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68237000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	79826000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	81399000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	53757000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	49689000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	48741000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5888000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1717000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11646000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-379000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	2713000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-626000	USD
CY2019	us-gaap	Pension Expense Reversal Of Expense Noncash PensionExpenseReversalOfExpenseNoncash	11189000	USD
CY2018	us-gaap	Pension Expense Reversal Of Expense Noncash PensionExpenseReversalOfExpenseNoncash	-10929000	USD
CY2020	us-gaap	Pension Expense Reversal Of Expense Noncash PensionExpenseReversalOfExpenseNoncash	0	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-697000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-429000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	3864000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	21925000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	33082000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14316000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-19173000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-17765000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-40636000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	37865000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1379000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	318711000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	170818000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-965000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-16824000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	27626000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-21965000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	143000	USD
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	11470000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-6432000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-4469000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-9809000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-7974000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	22983000	USD
CY2020	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-18139000	USD
CY2019	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-14348000	USD
CY2018	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	12308000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	295815000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	206694000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	70840000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	138221000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	249463000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	98864000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	238434000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15656000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	31615000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	55180000	USD
CY2020	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	5920000	USD
CY2019	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4143000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	29323000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9120000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-100221000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-54662000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-184716000	USD
CY2020	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	USD
CY2018	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	60000000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	18635000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1616000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4417000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	18280000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	13083000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	17806000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	120002000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	159997000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	175776000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-392000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-119647000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-171464000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-249557000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	75947000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-19432000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-115562000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	216172000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	235604000	USD
CY2017Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	351166000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	292119000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	216172000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	235604000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	22321000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	20617000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	34385000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	457000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	612000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	835000	USD
CY2017Q1	us-gaap	Stockholders Equity StockholdersEquity	1151692000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	161995000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1630000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-11949000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2791000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-13389000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	175776000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	48741000	USD
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	1161728000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	89991000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2231000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	11189000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3125000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-11466000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	159997000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	49689000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	1140240000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	159498000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2214000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	68000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	355000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	120002000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	52560000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	1229779000	USD
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="margin-top:9pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;">Reclassifications</span></div><div style="text-indent:24.75pt;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Certain reclassifications have been made to prior year balances in order to conform to the current year’s presentation of financial information.</span></div>
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:9pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;">Use of Estimates</span></div><div style="text-indent:24.75pt;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The preparation of financial statements in accordance with U.S. GAAP requires the use of management estimates. These estimates are subjective in nature and involve judgments that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at fiscal year-end and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from these estimates.</span></div>
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	2800000	USD
CY2019	us-gaap	Inventory Write Down InventoryWriteDown	6200000	USD
CY2020Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	82494000	USD
CY2019Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	80100000	USD
CY2020Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	64231000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	32000000.0	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	27700000	USD
CY2019Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	84633000	USD
CY2020Q1	us-gaap	Inventory Net InventoryNet	146725000	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	164733000	USD
CY2020Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	348275000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	342519000	USD
CY2020Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	190031000	USD
CY2019Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	156334000	USD
CY2020Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	158244000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	186185000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	31900000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q1	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	10000000.0	USD
CY2019	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2018	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:9pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;">Concentration of Credit Risk</span></div><div style="text-indent:24.75pt;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Financial instruments that potentially subject us to material concentrations of credit risk consist primarily of cash equivalents, marketable securities, long-term marketable securities, and trade accounts receivable. We are exposed to credit risk to the extent of the amounts recorded on the balance sheet. By policy, our cash equivalents, marketable securities, and long-term marketable securities are subject to certain nationally recognized credit standards, issuer concentrations, sovereign risk, and marketability or liquidity considerations.</span></div><div style="text-indent:24.75pt;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">In evaluating our trade receivables, we perform credit evaluations of our major customers’ financial condition and monitor closely all of our receivables to limit our financial exposure by limiting the length of time and amount of credit extended. In certain situations, we may require payment in advance or utilize letters of credit to reduce credit risk. By policy, we establish a reserve for trade accounts receivable based on the type of business in which a customer is engaged, the length of time a trade account receivable is outstanding, and other knowledge that we may possess relating to the probability that a trade receivable is at risk for non-payment.</span></div><div style="text-indent:24.75pt;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">We had two contract manufacturers, Hongfujin Precision and Pegatron, who represented 29 percent and 20 percent, respectively of our consolidated gross trade accounts receivable as of the end of fiscal year 2020. Hongfujin Precision, Pegatron, and Foxconn represented 22 percent, 19 percent, and 11 percent, respectively of our consolidated gross trade accounts receivable as of the end of fiscal year 2019. No other distributor or customer had receivable balances that represented more than 10 percent of consolidated gross trade accounts receivable as of the end of fiscal year 2020 and 2019.</span></div><div style="text-indent:24.75pt;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Since the components we produce are largely proprietary and generally not available from second sources, we consider our end customer to be the entity specifying the use of our component in their design. These end customers may then purchase our products directly from us, from a distributor, or through a third-party manufacturer contracted to produce their end product. For fiscal years 2020, 2019, and 2018, our ten largest end customers represented approximately 93 percent, 91 percent, and 92 percent, of our sales, respectively. For fiscal years 2020, 2019, and 2018, we had one end customer, Apple Inc., who purchased through multiple contract manufacturers and represented approximately 79 percent, 78 percent, and 81 percent, of the Company’s total sales, respectively. No other customer or distributor represented more than 10 percent of net sales in fiscal years 2020, 2019, or 2018.</span></div>
CY2020	us-gaap	Advertising Expense AdvertisingExpense	900000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	1000000.0	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	1400000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	159498000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	89991000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	161995000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	58317000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60116000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	63407000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2145000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1467000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2544000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60462000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	61583000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65951000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.74
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.50
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.64
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.46
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.46
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	543000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	872000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	326000	shares
CY2019Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	30794000	USD
CY2019Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	27961000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	149746000	USD
CY2019Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	14899000	USD
CY2019Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16339000	USD
CY2019Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	5268000	USD
CY2019Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	143085000	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9889000	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	10854000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-222430000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-221465000	USD
CY2020Q1	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	0	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	307990000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1584000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	3993000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	305581000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4000000.0	USD
CY2020Q1	crus	Available For Sale Securities Amortized Cost On Gross Unrealized Losses AvailableForSaleSecuritiesAmortizedCostOnGrossUnrealizedLosses	172900000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	0	security
CY2019Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	228757000	USD
CY2019Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1035000	USD
CY2019Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	641000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	229151000	USD
CY2019Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	600000	USD
CY2019Q1	crus	Available For Sale Securities Amortized Cost On Gross Unrealized Losses AvailableForSaleSecuritiesAmortizedCostOnGrossUnrealizedLosses	123100000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	120300000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	600000	USD
CY2020Q1	us-gaap	Lines Of Credit Fair Value Disclosure LinesOfCreditFairValueDisclosure	0	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	305581000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	229151000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	22012000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	22008000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	70490000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	70183000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	285978000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	283573000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	158267000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	158968000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	307990000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	305581000	USD
CY2019Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	228757000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	229151000	USD
CY2020Q1	us-gaap	Number Of Foreign Currency Derivatives Held NumberOfForeignCurrencyDerivativesHeld	1	derivtive
CY2020Q1	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	29200000	USD
CY2020Q1	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	153998000	USD
CY2019Q1	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	120926000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	USD
CY2019Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	270000	USD
CY2020Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	153998000	USD
CY2019Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	120656000	USD
CY2017Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	434000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-231000	USD
CY2018Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	203000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	67000	USD
CY2019Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	270000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-270000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	34400000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	67800000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	226699000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	192269000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	265222000	USD
CY2020	crus	Restructuring Costs Disposal Of Equipment Recovery From Sales RestructuringCostsDisposalOfEquipmentRecoveryFromSales	1900000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	197375000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	28300000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	47800000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	53700000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Rolling Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths	14368000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Two FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearTwo	11817000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Three FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree	6009000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Four FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour	1695000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Five FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFive	541000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseRollingAfterYearFive	0	USD
CY2020Q1	us-gaap	Goodwill Goodwill	287100000	USD
CY2019Q1	us-gaap	Goodwill Goodwill	286200000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1281124000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1185524000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1532186000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	213474000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	3815000	USD
CY2020	us-gaap	Severance Costs1 SeveranceCosts1	1700000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	13518000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	4721000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	119000	USD
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1296000	USD
CY2020	us-gaap	Lease Cost LeaseCost	17062000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	13955000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1107000	USD
CY2020Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P20Y
CY2020Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.04
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	13823000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	1322000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	13459000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	1356000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	13174000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	535000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	12850000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	264000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	12507000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	270000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	147661000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	68000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	70582000	USD
CY2020Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	142892000	USD
CY2020Q1	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	3815000	USD
CY2020Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	13580000	USD
CY2020Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	129312000	USD
CY2020Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	142892000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	21900000	USD
CY2020	crus	Restructuring Charges Disposal Of Equipment Net Of Recovery From Sales RestructuringChargesDisposalOfEquipmentNetOfRecoveryFromSales	9578000	USD
CY2020	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	9961000	USD
CY2020	us-gaap	Business Exit Costs1 BusinessExitCosts1	1903000	USD
CY2020	crus	Severance Costs Net Of Equity Cancellation Benefits SeveranceCostsNetOfEquityCancellationBenefits	483000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	21925000	USD
CY2020	us-gaap	Restructuring Reserve Accelerated Depreciation RestructuringReserveAcceleratedDepreciation	11500000	USD
CY2020	crus	Severance Costs Equity Cancellation Benefits SeveranceCostsEquityCancellationBenefits	1200000	USD
CY2018	crus	Number Of Pension Plan Participants Terminated From Defined Benefit Pension Scheme NumberOfPensionPlanParticipantsTerminatedFromDefinedBenefitPensionScheme	60	participant
CY2018Q1	us-gaap	Pension Contributions PensionContributions	11000000.0	USD
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-13800000	USD
CY2019Q4	crus	Defined Benefit Plan Net Periodic Benefit Cost Credit Gain Loss Due To Settlement Tax Benefit DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSettlementTaxBenefit	-2600000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7500000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7700000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6700000	USD
CY2020	crus	Share Based Compensation Shares Available For Grant Reduction Ratio ShareBasedCompensationSharesAvailableForGrantReductionRatio	1.5
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	4692000	shares
CY2018	crus	Shares Available For Grant Shares Added SharesAvailableForGrantSharesAdded	0	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	1755000	shares
CY2018	crus	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Forfeited ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantForfeited	128000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3065000	shares
CY2019	crus	Shares Available For Grant Shares Added SharesAvailableForGrantSharesAdded	2509000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	2371000	shares
CY2019	crus	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Forfeited ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantForfeited	120000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3323000	shares
CY2020	crus	Shares Available For Grant Shares Added SharesAvailableForGrantSharesAdded	248000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	1686000	shares
CY2020	crus	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Forfeited ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantForfeited	210000	shares
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2095000	shares
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	53757000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	49689000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	48741000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9336000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5748000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5953000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	44421000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	43941000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	42788000	USD
CY2020	crus	Share Based Compensation Effects On Basic Earnings Loss Per Share ShareBasedCompensationEffectsOnBasicEarningsLossPerShare	0.76
CY2019	crus	Share Based Compensation Effects On Basic Earnings Loss Per Share ShareBasedCompensationEffectsOnBasicEarningsLossPerShare	0.73
CY2018	crus	Share Based Compensation Effects On Basic Earnings Loss Per Share ShareBasedCompensationEffectsOnBasicEarningsLossPerShare	0.67
CY2020	crus	Share Based Compensation Effects On Diluted Earnings Loss Per Share ShareBasedCompensationEffectsOnDilutedEarningsLossPerShare	0.73
CY2019	crus	Share Based Compensation Effects On Diluted Earnings Loss Per Share ShareBasedCompensationEffectsOnDilutedEarningsLossPerShare	0.71
CY2018	crus	Share Based Compensation Effects On Diluted Earnings Loss Per Share ShareBasedCompensationEffectsOnDilutedEarningsLossPerShare	0.65
CY2020	crus	Share Based Compensation Excess Tax Benefits Amount ShareBasedCompensationExcessTaxBenefitsAmount	4900000	USD
CY2019	crus	Share Based Compensation Excess Tax Benefits Amount ShareBasedCompensationExcessTaxBenefitsAmount	900000	USD
CY2018	crus	Share Based Compensation Excess Tax Benefits Amount ShareBasedCompensationExcessTaxBenefitsAmount	11700000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised Net Of Tax Benefit Expense StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense	18600000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised Net Of Tax Benefit Expense StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense	1600000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised Net Of Tax Benefit Expense StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense	4400000	USD
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	800000	shares
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	100000	shares
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	200000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	34000000.0	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2600000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9800000	USD
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1758000	shares
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	27.25
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	216000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	55.72
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	234000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.84
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1740000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	31.91
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	280000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	40.41
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	108000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	15.03
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	38000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	49.62
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	9000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	55.01
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1865000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.68
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	169000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	66.93
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	780000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	23.90
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	27000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	50.75
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	11000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	55.03
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1216000	shares
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	44.01
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	1205000	shares
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	43.90
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y5M26D
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	22733000	USD
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	781000	shares
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	38.41
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y3M21D
CY2020Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	18360000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	4700000	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	4100000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	3800000	USD
CY2020Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	1216000	shares
CY2020	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P6Y6M3D
CY2020Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	44.01
CY2020Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	781000	shares
CY2020Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	38.41
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	800000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1300000	shares
CY2020	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	18400000	USD
CY2019	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	12700000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	11500000	USD
CY2020	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	1300000	USD
CY2019	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	200000	USD
CY2018	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	300000	USD
CY2020Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000.0	shares
CY2020Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	44154000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	41980000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	91220000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	137112000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	51764000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	173879000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	181266000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	93744000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	265099000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	26875000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	5319000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	87894000	USD
CY2020	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	-5107000	USD
CY2019	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	-1566000	USD
CY2018	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	15210000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21768000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3753000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	103104000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.316
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.055
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.029
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.096
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Transition Tax On Accumulated Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsPercent	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Transition Tax On Accumulated Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsPercent	-0.118
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Transition Tax On Accumulated Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsPercent	0.203
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.001
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.023
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.067
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.025
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.027
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.010
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.045
CY2020	crus	Effective Income Tax Rate Reconciliation Deduction Foreign Intangible Income EffectiveIncomeTaxRateReconciliationDeductionForeignIntangibleIncome	0.008
CY2019	crus	Effective Income Tax Rate Reconciliation Deduction Foreign Intangible Income EffectiveIncomeTaxRateReconciliationDeductionForeignIntangibleIncome	0.028
CY2018	crus	Effective Income Tax Rate Reconciliation Deduction Foreign Intangible Income EffectiveIncomeTaxRateReconciliationDeductionForeignIntangibleIncome	0
CY2020	crus	Effective Income Tax Rate Reconciliation Current Us Tax On Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationCurrentUSTaxOnForeignEarningsPercent	0.011
CY2019	crus	Effective Income Tax Rate Reconciliation Current Us Tax On Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationCurrentUSTaxOnForeignEarningsPercent	0.022
CY2018	crus	Effective Income Tax Rate Reconciliation Current Us Tax On Foreign Earnings Percent EffectiveIncomeTaxRateReconciliationCurrentUSTaxOnForeignEarningsPercent	0.007
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.001
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.044
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	-0.023
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0
CY2020	crus	Effective Income Tax Rate Reconciliation Interest On Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationInterestOnUnrecognizedTaxBenefits	0.005
CY2019	crus	Effective Income Tax Rate Reconciliation Interest On Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationInterestOnUnrecognizedTaxBenefits	0.016
CY2018	crus	Effective Income Tax Rate Reconciliation Interest On Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationInterestOnUnrecognizedTaxBenefits	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.008
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.006
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.120
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.040
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.389
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit	60100000	USD
	us-gaap	Tax Cuts And Jobs Act Of2017 Measurement Period Adjustment Income Tax Expense Benefit TaxCutsAndJobsActOf2017MeasurementPeriodAdjustmentIncomeTaxExpenseBenefit	-11100000	USD
CY2020Q1	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiability	27000000.0	USD
CY2020Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	2750000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4024000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2093000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2940000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	13066000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	13111000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	8380000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	14667000	USD
CY2020Q1	crus	Deferred Tax Assets Operating Lease Lease Liabilities DeferredTaxAssetsOperatingLeaseLeaseLiabilities	18095000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1260000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1261000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	45644000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	36003000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	12596000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	18588000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	33048000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	17415000	USD
CY2020Q1	crus	Deferred Tax Liabilities Depreciation And Amortization DeferredTaxLiabilitiesDepreciationAndAmortization	5425000	USD
CY2019Q1	crus	Deferred Tax Liabilities Depreciation And Amortization DeferredTaxLiabilitiesDepreciationAndAmortization	8913000	USD
CY2020Q1	crus	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	17391000	USD
CY2020Q1	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	4645000	USD
CY2019Q1	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	8803000	USD
CY2020Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	27461000	USD
CY2019Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	17716000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	5587000	USD
CY2019Q1	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	301000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-6000000.0	USD
CY2020	crus	Deferred Tax Assets Valuation Allowance Decrease With No Tax Effect DeferredTaxAssetsValuationAllowanceDecreaseWithNoTaxEffect	5800000	USD
CY2020	crus	Deferred Tax Assets Valuation Allowance Decrease With Tax Effect DeferredTaxAssetsValuationAllowanceDecreaseWithTaxEffect	200000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	39746000	USD
CY2018Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	55164000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	615000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2204000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	4153000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	17622000	USD
CY2020Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	36208000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	39746000	USD
CY2020Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	36200000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	600000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	4200000	USD
CY2020	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	900000	USD
CY2019	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	1500000	USD
CY2020Q1	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	3500000	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2020	crus	Number Of Product Lines NumberOfProductLines	2	product_line
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1281124000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1185524000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1532186000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1281124000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1185524000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1532186000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	76210000	USD
CY2020Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	158244000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	186185000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	238253000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	388912000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	374668000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	279291000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	122494000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	207933000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	197505000	USD
CY2020Q1	us-gaap	Gross Profit GrossProfit	146235000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	4618000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	68512000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	10158000	USD
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.31
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.18
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.27
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.13
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	254483000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	366305000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	324295000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	240441000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	124559000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	185119000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	163180000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	124639000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	-4272000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	58173000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	29933000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	6157000	USD
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.96
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.93
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.10

Files In Submission

Name	View Source	Status
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$CRUS
CIRRUS LOGIC, INC. Stock $crus

2020 Q1 Form 10-K Financial Statement

#000077240620000007 Filed on May 20, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CRUS CIRRUS LOGIC, INC. Stock $crus

2020 Q1 Form 10-K Financial Statement

#000077240620000007 Filed on May 20, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CRUS
CIRRUS LOGIC, INC. Stock $crus