POWI


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfRevenue

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ResearchAndDevelopmentExpense

us-gaap:Revenues
us-gaap:MajorCustomers
us-gaap:StatementGeographical

us-gaap:SellingAndMarketingExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:MarketableSecuritiesCurrent
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AccountsReceivableNetCurrent

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

powi:CommonStockDividendsIncreasePerShareDeclaredCurrentFiscalYearEachQuarter
us-gaap:SubsequentEventType
powi:CommonStockDividendsNumberofDistributionsDeclared
us-gaap:SubsequentEventType
powi:CommonStockDividendsPerShareDeclaredCashDividendAgainNextFiscalYear

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYear

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearEachQuarter

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearFourthQuarter
us-gaap:SubsequentEventType

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearThirdQuarter
us-gaap:SubsequentEventType
us-gaap:SubsequentEventType
powi:CommonStockDividendsPerShareDeclaredNextFiscalYearEachQuarter

powi:CommonStockDividendsPerShareDeclaredPriorFiscalYearFourthQuarter

powi:CommonStockDividendsPerShareDeclaredPriorFiscalYearThirdQuarter
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
powi:ConcentrationRiskPercentageOfNetRevenue

powi:IncreaseDecreaseInAccountsReceivableAllowanceForCreditLosses

powi:IncreaseDecreaseInTaxesPayableAndAccruedLiabilities

powi:IncreaseDecreaseinTaxesPayableandAccruedLiabilities

powi:Increasedecreaseinaccountsreceivableallowanceforcreditlosses
us-gaap:Range, us-gaap:AwardType
powi:NumberOfPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber
us-gaap:Range, us-gaap:AwardType
powi:NumberofPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1

us-gaap:Depreciation
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStockCash

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProvisionForOtherCreditLosses

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:AwardType
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

dei:EntityCommonStockSharesOutstanding

powi:AccountsReceivableBeforeAllowancesCurrent

powi:AdvancetoSuppliers

powi:AllowanceForShipAndDebitCurrent

powi:AllowanceForStockRotationAndRebateCurrent

powi:AllowanceforShipAndDebit

powi:AllowanceforShipAndDebitCurrent

powi:AllowanceforStockRotationandRebate

powi:AllowanceforStockRotationandRebateCurrent
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
powi:ConcentrationRiskPercentageBenchmarkForTotalAccountsReceivable

powi:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

powi:IntangibleAssetsGross

powi:PrepaidLegalFees

powi:PrepaidMaintenanceAgreements
us-gaap:AwardType
powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue
us-gaap:AwardType
powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue
us-gaap:AwardType
powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber
us-gaap:AwardType
powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumberOfShares

powi:WeightedAverageInterestRateOnInvestments

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccruedIncomeTaxesNoncurrent
us-gaap:StatementEquityComponents
us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecurities
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesAmortizedCost
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesCurrent

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:InterestReceivableCurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentsFairValueDisclosure
us-gaap:InvestmentType

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:MarketableSecurities
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName
us-gaap:OperatingLossCarryforwards

us-gaap:PrepaidTaxes
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
powi:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:StatementClassOfStock
us-gaap:SubsequentEventType
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName, us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount
us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Liability
Assets
Operating Lease Right Of Use Asset
Current Assets
Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Taxes Payable Current
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Inventories
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Common Stock Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Raw Materials Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▁▅▁▁▁▁▁▁▁▁▁▁▁▅▅▅▅▅▁▁▁▁▁▁▅▅▅▅████▅▅▁▅▅▁▁▁▅▅▁0.0280.0290.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0290.0290.0290.0290.0290.0280.0280.0280.0280.0280.0280.0290.0290.0290.0290.030.030.030.030.0290.0290.0280.0290.0290.0280.0280.0280.0290.0290.028NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNANA59.91NANANA29.431NANANA28.889NANANA29.782NANANA29.25NANANA28.653NANANA29.208NANANA30.022NANANA28.536NANANA28.065NANANA28.375NANANA
us-gaap:CommonStockSharesAuthorized NANA280.0NANANA140.0NANANA140.0NANANA140.0NANANA140.0NANANA140.0NANANA140.0NANANA140.0NANANA140.0NANANA140.0NANANA140.0NANANA
us-gaap:CommonStockSharesOutstanding ████▁▁▁▁▁▁▁▁▁▁▁60.34460.36359.9159.85529.87629.69129.43096229.41929.3329.1128.88864329.32829.42129.6329.782455NANANA29.249635NANANA28.652178NANANA29.208468NANANA30.021943NANANA28.536182NANANA28.065707NANANA28.375363NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁61.46661.45161.17660.85230.31230.13430.00529.86629.70229.44629.65129.99830.18330.55229.75930.61430.45430.24829.91429.62529.42229.24429.12629.29830.03430.05830.05130.75731.1131.16730.92430.65230.15829.78329.43628.90828.61929.43529.17129.87930.34630.18729.84429.28329.53529.358
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ████▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁60.54460.18459.87959.82329.85629.60229.42729.38529.29728.95129.16429.36529.50529.79929.75929.75929.7229.45629.19628.97228.8528.67928.48328.85529.36829.30929.3530.01330.3130.23929.97429.76229.17828.75428.78528.90828.61928.22728.07728.79928.93828.62828.13427.89427.84427.47
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 134.0NANANA0.00.0NA0.00.00.0NA0.00.00.0NA0.00.00.0NA0.00.00.0NA0.0690.00.0NA0.00.00.0NA0.0350.1678620.281973NANANA0.297531NA0.410.2625330.210044NA0.530.095793NA
us-gaap:EarningsPerShareBasic ▃▃▃▃▃▃█▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▂▃▃▃▃▃▃▃▃▃0.690.660.460.250.440.545.380.580.370.250.780.60.520.48-0.570.550.470.480.470.490.390.310.450.40.290.220.490.540.550.410.540.560.470.380.34-1.54-0.250.260.230.260.370.340.320.450.560.45
us-gaap:EarningsPerShareDiluted ▃▃▃▃▃▃█▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▂▃▃▃▃▃▃▃▃▃0.680.650.450.240.440.535.280.570.370.250.770.590.510.46-0.570.540.460.470.460.480.380.30.440.390.290.210.480.520.540.40.520.540.450.370.33-1.54-0.250.250.220.250.350.330.30.430.530.42
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▃▃▃▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂44.97640.18627.72714.74112.92515.094183.64317.4989.766.1218.04318.02515.61913.96114.46516.05914.19712.91612.83614.46911.6278.91211.04911.7839.2046.95711.86516.87514.32512.73115.10716.59413.2889.0779.465-16.2479.4138.7217.79310.56313.18611.67710.971NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense █▇██▅▆▇▄▄▃▄▃▅▅▆▅▅▄▅▅▄▄▂▃▃▃▃▂▃▃▃▃▃▃▃▃▃▂▂▁▂▂▂▂▂9.28.488.8639.3585.9816.718.3385.1065.4964.4075.484.3986.1155.6256.8776.56.35.05.6685.7895.0124.4163.2653.3613.754.3913.6122.584.1753.9154.334.1914.3283.6363.7043.8473.6423.0312.3521.6682.4442.5043.2442.9352.516NA
us-gaap:ComprehensiveIncomeNetOfTax ▄▄▄▃▃▃█▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▂▃▃▃▃▃▃▃▃41.56239.12527.4714.18515.78614.702156.24517.35110.877.56123.12317.67915.67513.957-16.71716.60513.99714.29512.79213.80711.399.04211.89311.6378.4546.44813.69215.82716.84112.51815.92516.98313.46910.7129.137-44.264-7.4297.8096.2967.43410.6229.9048.96112.73915.582NA
us-gaap:CostOfRevenue ██▆▄▃▃▄▄▃▂▂▃▃▃▃▄▃▃▃▃▃▂▂▂▂▂▂▂▂▁▂▂▂▁▂▂▁▁▁▂▂▂▁▁▁▁88.79789.32676.68861.5653.29653.18456.23256.02851.29343.71445.30253.0853.24849.53754.22155.54254.11654.21251.72452.59749.53242.37944.37344.71741.24740.26540.7941.09240.24937.09642.02142.94141.71537.17639.76739.29438.62737.18135.17640.0242.55840.33936.8636.44738.36935.585
us-gaap:GeneralAndAdministrativeExpense ▆▇▇█▄▅█▆▆▅▅▅▆▆▆▆▅▅▅▅▄▄▃▃▃▅▅▃▄▄▅▄▄▄▄▄▃▃▁▂▂▂▂▂▂▁9.30610.07510.02810.3027.8048.76110.6349.2249.3348.398.7968.4669.229.0149.1279.5468.7658.7048.2578.7898.1337.856.8967.3617.4918.2818.3837.1557.8137.6468.2667.9848.0667.7348.1087.9417.17.0925.7476.1456.1416.4756.3396.7466.4656.013
us-gaap:GrossProfit █▇▆▄▄▄▄▄▃▃▃▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▃▃▃▃▃▃▃▂▂▂▂▁▁▁▂▂▂▂▂▂91.31384.41174.00559.56953.53656.4858.22558.13151.57245.47448.00557.00556.23453.54454.02855.71353.44750.47649.38451.19347.63742.94742.91644.16144.01842.29245.80549.05248.73645.97748.39148.77446.20739.86439.40338.75137.75534.59231.55435.04337.62636.42336.12539.00541.48935.922
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▃▂▂▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁45.14940.78328.35715.61814.40516.871185.49518.57611.077.2739.3419.12316.50414.79715.26116.95414.66213.42214.16514.75111.8639.17311.16812.2119.2186.734NA17.25614.523NANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▄▃▃▃▃▃▇▃▃▃▁▃▃▃█▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▆▃▃▄▄▃▃▄▄▄3.2680.9851.0790.7981.2130.98527.2041.4770.2250.04-13.3961.4561.1230.59732.1590.4480.76-0.677-0.4820.5860.5980.33-1.4460.6980.6280.391-2.3071.145-2.1930.625-0.4330.0220.181-1.609-0.096-4.94116.7841.8751.8883.6033.0482.2652.5413.0353.7073.058
us-gaap:IncomeTaxesPaidNet ▃▂▂▂▁▂▅▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▁▁▂▂▂▁▂▁▁▂▂▁▂█▂▂▂▂▂▂▂▂▂▂8.5721.512-0.0460.228-2.460.30520.2440.1930.5120.3781.541.7193.9050.2730.0220.182-0.336-1.4391.9040.1453.9510.613-0.534-1.0581.4080.6570.586-2.5590.794-1.942-3.5682.5640.565-3.6981.58143.0321.4460.630.680.2430.1920.1181.0671.3370.5980.016
us-gaap:NetIncomeLoss ▄▄▃▃▃▃█▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▂▃▃▃▃▃▃▃▃▃41.88139.79827.27814.8213.19215.886158.29117.09910.8457.23322.73617.66715.38114.2-16.89816.50613.90214.09913.61714.16511.2658.84312.70111.5138.596.34314.35416.11116.71612.36316.03716.65413.67210.9039.716-44.406-7.1767.4616.3267.51210.5999.8548.92912.63415.58712.314
us-gaap:NonoperatingIncomeExpense ███████████████████████████████████▁██████████0.1730.5970.630.8771.481.7771.8521.0781.311.1521.2971.0980.8850.8360.7960.8950.4650.5060.2990.2820.2360.2610.2060.4280.014-0.2230.1820.3810.1980.2570.4970.0820.5650.2170.156-33.10.1950.6150.4210.5520.4610.4420.50.4150.4710.494
us-gaap:OperatingExpenses ████▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇▇▇46.33744.22546.27844.82840.61141.386-125.41840.63341.81239.35339.96238.9840.61539.58339.56339.65439.2537.5636.54836.72436.0134.03531.86732.37834.81435.33533.9432.17734.41133.24633.28432.1832.91930.78729.93854.99828.34225.87123.76124.4824.4424.74625.15523.75122.66621.044
us-gaap:OperatingIncomeLoss ▃▃▃▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▂▂▂44.97640.18627.72714.74112.92515.094183.64317.4989.766.1218.04318.02515.61913.96114.46516.05914.19712.91612.83614.46911.6278.91211.04911.7839.2046.95711.86516.87514.32512.73115.10716.59413.2889.0779.465-16.2479.4138.7217.79310.56313.18611.67710.97115.25418.82314.878
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▅▅█▄▅▁▁▆▁▅▄▂▆▅▅▅▆▆▄▁▆▄▂▆▄▆▅▄▆▅▆▇▅▃▆▇▃▆-0.04-0.0180.181-0.051-0.03-0.283-0.2730.027-0.25-0.022-0.052-0.1840.037-0.037-0.0180.0020.0310.064-0.113-0.2540.037-0.054-0.2090.04-0.0570.035-0.037-0.0530.017-0.0060.0170.118-0.013-0.1510.0320.114-0.1240.057NANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▄▃▄▃█▂▁▄▄▅▅▄▅▄▄▄▄▄▃▄▄▄▃▄▄▄▃▄▄▄▄▅▄▄▃▄▄▅-0.319-0.6730.192-0.6352.594-1.184-2.0460.2520.0250.3280.3870.0120.294-0.2430.1810.0990.0950.196-0.825-0.3580.1250.199-0.8080.124-0.1360.105-0.662-0.2840.1250.155-0.1120.329-0.203-0.191-0.580.142-0.2530.348NANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment▆▆█▆▆▆▁▆▆▆▇▆▆▆█▆▆▆▅▆▆▆▅▆▆▆▅▆▆▆▅▆▆▆0.052-0.0750.6850.0490.0580.051-1.8230.0170.0180.0160.4310.0310.0310.0320.5510.050.0490.049-0.4730.0410.040.04-0.4360.0640.0140.014-0.5050.0150.0160.014-0.2630.0150.0140.014NANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▂▂▂▂█▁▃▃▃▄▃▃▃▂▂▃▃▃▂▃▃▃▃▃▃▃▃▂▃▃▃▃▂▃-0.331-0.58-0.674-0.6332.566-0.9520.050.2080.2570.3340.0080.1650.226-0.238-0.3520.0470.0150.083-0.239-0.1450.0480.213-0.1630.02-0.0930.056-0.12-0.2460.0920.1470.1340.196-0.204-0.054NANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome█▁-0.319-0.673NA-0.6352.594-1.184NA0.2520.0250.328NA0.0120.294-0.243NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustment▅▅█▄▅▁▁▆▁▅▄▂▆▅▅▅▆▆▄▁▆▄▂▆▄▆▅▄▆▅▆▇▅▃-0.04-0.0180.181-0.051-0.03-0.283-0.2730.027-0.25-0.022-0.052-0.1840.037-0.037-0.0180.0020.0310.064-0.113-0.2540.037-0.054-0.2090.04-0.0570.035-0.037-0.0530.017-0.0060.0170.118-0.013-0.151NANANANANANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense █▇█▇▇▇▆▆▇▆▆▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▄▃▃▃▃▂▂▂▂▂▂▂▁▁21.74120.02721.92120.86819.7719.15218.29817.95719.26917.94617.96517.23617.89817.48117.1817.3417.34116.6415.76615.90615.85914.77913.85613.88814.86414.94113.66713.45814.36613.4912.90912.98413.48912.27211.57511.42812.06610.649.73210.34510.19510.0239.7539.3488.6748.111
us-gaap:Revenues ██▆▄▃▄▄▄▃▂▃▄▄▃▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▁▁▂▂▂▁▂▂▁180.11173.737150.693121.129106.832109.664114.457114.159102.86589.18893.307110.085109.482103.081108.249111.255107.563104.688101.108103.7997.16985.32687.28988.87885.26582.55786.59590.14488.98583.07390.41291.71587.92277.0479.1778.04576.38271.77366.7375.06380.18476.76272.98675.45279.85871.507
us-gaap:SellingAndMarketingExpense █▇▇▇▆▆▇▆▆▆▆▆▇▆▆▆▆▅▆▅▅▅▅▅▆▅▅▅▅▅▅▅▅▄▄▄▃▂▂▂▂▂▃▂▂▁15.2914.12314.32913.65813.03713.47314.61913.45213.20913.01713.20113.27813.49713.08813.25612.76813.14412.21612.52512.02912.01811.40611.11511.12912.45912.11311.8911.56412.23212.1112.10911.21211.36410.78110.35510.3299.1768.1398.2827.998.1048.2489.0637.6577.5276.92
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ██▇▇▇▆▆▄▄▃▃▄▃▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▃▂▂▂▁▁▁▂▂▁▂▂▁▁967.849944.719903.339876.068853.777827.439803.896636.41620.389600.505588.697604.427588.027604.434621.074624.483601.538588.66555.338535.288509.506492.796487.537473.49499.519507.174493.663519.416517.589521.329501.421483.639449.897426.649399.13416.602479.614450.253432.919440.488454.308436.973433.07NANANA
us-gaap:Liabilities █▇▇█▇▆▅▄▅▃▂▄▃▄▄▂▁▂▃▃▂▁▂▂▄▃▂▃▃▃▃▃▃▃▂▃▇▃▃▄▃▃▅97.50590.89692.92896.27194.30583.60979.3571.08276.52469.20461.62573.29566.19870.60273.39262.22454.53558.51767.23366.2361.49857.57558.91862.29371.83866.69262.98767.78364.92664.15164.73568.73566.61464.88158.08168.92693.6167.66866.99972.10166.37963.93279.035NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▆▆▄▄▃▃▄▃▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▃▂▂▂▁▁▁▂▂▁▂▂▁▁967.849944.719903.339876.068853.777827.439803.896636.41620.389600.505588.697604.427588.027604.434621.074624.483601.538588.66555.338535.288509.506492.796487.537473.49499.519507.174493.663519.416517.589521.329501.421483.639449.897426.649399.13416.602479.614450.253432.919440.488454.308436.973433.07NANANA
us-gaap:StockholdersEquity ██▇▇▇▆▆▄▄▄▃▄▃▄▄▄▄▄▃▃▂▂▂▂▂▂▂▂▂▃▂▂▂▁▁▁▂▂▁▁▂▁▁870.344853.823810.411779.797759.472743.83724.546565.328543.865531.301527.072531.132521.829533.832547.682562.259547.003530.143488.105469.058448.008435.221428.619411.197427.681440.482430.676451.633452.663457.178436.686414.904383.283361.768341.049347.676386.004382.585365.92368.387387.929373.041354.035NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ██▇▇▇▇▆▄▄▃▃▄▃▄▄▄▃▃▃▃▂▂▂▂▂▂▂▃▃▃▃▂▂▁▁▁▂▃▂▂▃▂▂667.545642.312601.232592.947577.228560.442541.339374.656360.002341.119332.432348.833332.967349.635364.534346.923342.026333.053318.502298.555269.471249.408240.403223.312257.81262.334265.912292.079295.727301.092277.422251.383216.468191.111164.864186.937208.6280.669250.101267.907276.733255.733261.51NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇█▆▅▆▅▄▂▃▃▃▄▄▃▂▁▁▁▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▄▃▄▄▃▄▄▄▃297.481343.272258.874232.014251.325190.459178.6980.16299.491125.795134.137148.551148.187121.32793.65550.732.64946.33562.13495.89105.34394.73590.09259.73575.94185.63760.70860.7279.0683.96792.92878.11885.42669.48963.39474.74773.36147.155139.836148.578170.494137.694155.667164.083159.775125.295
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇█▆▅▆▄▄▁▂▂▂297.481343.272258.874232.014251.325190.459178.6980.16299.491125.795134.137NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketableSecuritiesCurrent █▁▅217.777148.067190.318NANANA232.398NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent NANA35.91NANANA24.27425.81925.46820.54511.07213.7426.84317.72716.79817.19218.69715.0466.96114.67914.0111.2947.81811.06113.21212.63110.18610.38116.44316.42112.38915.10115.77214.7397.32611.10617.96616.6969.39610.338.0713.3145.713NANANA
us-gaap:ReceivablesNetCurrent ██▆▅▁▃▄41.35242.25735.9129.44712.87220.59724.274NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InventoryNet ▆▆███▇▆▆▆▆▅▅▄▃▃▃▂▂▂▂▂▂▂▃▄▄▄▃▂▂▁▁▁▁▁▂▂▁▂▂▃▃▃89.64390.509102.878104.805103.96396.63390.3888.7189.19785.0880.85774.20168.82463.20857.08755.15852.43251.14952.56449.94146.74945.66551.93455.43964.23165.00964.02556.95851.26947.93442.23540.21243.19943.70844.62546.92848.55542.85152.0151.76354.06963.00462.077NANANA
us-gaap:OtherAssetsCurrent NANANA5.3054.3676.9494.2893.963.7274.2433.8544.7064.6734.5293.8234.0044.0254.7893.6663.3883.2463.3692.8792.2433.5924.2262.5783.0253.6794.9362.6213.1822.382.882.2431.9741.8272.3392.1562.9392.092NA1.938NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent █▇▄▅▅█▅▅▅▆▄▄▃▃▂▃▆▆▂▂▁▂▁▁▃▄▆▂▅▆▇▅▄▄▆▆▂▁▂▁▃21.29218.20713.25214.75514.51220.5715.59715.31615.57116.79811.91512.57310.61911.0037.75810.83116.90216.778.527.3726.4787.2956.795.789.44411.45816.3798.77313.5917.02718.63215.55712.09713.29617.40117.6597.7586.2227.0686.8649.572NA9.263NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA380.172NANANA317.02NANANA309.303NANANA290.005NANANA257.437NANANA246.252NANANA231.621NANANA214.039NANANA199.233NANANA183.465NANANA167.259NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType powi:OfficeFurnitureAndEquipmentNANA55.591NANANA52.265NANANA53.681NANANA50.44NANANA45.951NANANA43.383NANANA37.867NANANA34.327NANANA28.791NANANA23.897NANANA22.333NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA64.808NANANA55.785NANANA53.61NANANA52.655NANANA52.156NANANA51.941NANANA44.794NANANA43.641NANANA42.819NANANA32.599NANANA30.962NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA34.886NANANA18.604NANANA21.696NANANA15.353NANANA6.88NANANA2.298NANANA8.068NANANA8.003NANANA9.431NANANA17.296NANANA10.902NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA22.189NANANA21.79NANANA20.288NANANA20.288NANANA20.288NANANA20.288NANANA16.754NANANA16.754NANANA16.754NANANA16.754NANANA16.754NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MachineryAndEquipmentNANA202.698NANANA168.576NANANA160.028NANANA151.269NANANA132.162NANANA128.342NANANA124.138NANANA111.314NANANA101.438NANANA92.919NANANA86.308NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementGeographical,us-gaap:ConcentrationRiskByBenchmark,us-gaap:ConcentrationRiskByType country:US,powi:PropertyAndEquipment,us-gaap:GeographicConcentrationRiskNANA167.0NANANA160.7NANANA167.6NANANA159.5NANANA155.1NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA213.984NANANA200.401NANANA195.186NANANA178.3NANANA162.141NANANA146.871NANANA135.798NANANA123.898NANANA109.509NANANA95.224NANANA82.789NANANA
us-gaap:AmortizationOfIntangibleAssets ▄▅▅▅▅▅▆▆▅▅▆▆▆▆▆▆▇▇▇▇▇██▇▇█▆▆▆███████▆▁▁▁▂▁▁▁▁▁0.8731.0321.0761.0761.091.1171.3731.3571.2281.2551.3331.2991.321.3481.4691.4531.5661.6121.6121.6121.6471.7921.7921.71.71.7861.3491.31.51.8561.8781.81.8421.8421.8421.81.30.1890.2140.20.30.2430.170.20.20.172
us-gaap:PropertyPlantAndEquipmentNet ███▆▅▄▄▄▃▃▃▃▃▃▃▄▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▂▁▁▁▁▁▁167.079168.712166.188147.719138.572123.43116.619114.93112.939113.713114.117113.841111.063109.871111.705114.855113.202105.89395.29694.43395.74697.72399.381102.22392.91394.17995.82396.50691.36892.14290.14190.21789.74389.87289.72490.35591.73889.69588.24185.27185.44984.58684.47NANANA
us-gaap:Goodwill ██████████████████████████▇▇▇▇▇▇▇▇▇▇▇▁▁▁▁▁▁91.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84991.84980.59980.59980.59980.59980.59980.59980.59980.59980.59978.27877.35414.78614.78614.78614.82614.82614.826NANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:InternetDomainNames▁▁█▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.2611.2611.31.2611.2611.2611.31.2611.2611.2611.2611.2611.2611.2611.2611.2611.2611.2611.2611.2611.2611.2611.261NANANA1.261NANANA0.0NANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▁▂▂▂▂▂▃▃▃▃▃▃▄▄▄▄▄▅▅▅▆▆▆▆▇▅▆▆▆▆▆▇▇▇██▁▁▁▁▁▁10.60111.47412.50613.58214.65815.74816.86518.23818.9220.07321.15222.45223.75125.07125.41926.87128.32429.8931.50233.11434.72636.37338.16539.95741.02842.75835.52436.87336.9638.47840.33442.21244.05445.89647.73849.5851.4228.6638.8529.0669.3099.5529.795NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▁▁▂▂▂▂▂▂▂▂▂▂▃▃▃▃▄▄▄▄▅▅▆▆▇▄▆▆▆▅▆▇▇▇██▁▁▁▁9.3410.21311.24512.32113.39714.48715.60416.97712.96914.12215.20116.50117.819.1219.46820.9222.37323.93925.55127.16328.77530.42232.21439.95741.02842.75829.57336.87336.9638.47835.64442.21244.05445.89643.04849.5851.4228.6638.8529.0669.309NA9.795NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA3.264NANANA2.672NANANA6.69NANANA2.226NANANA11.135NANANA10.552NANANA5.136NANANA5.292NANANA2.512NANANA13.279NANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA10.295NANANA9.521NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▅▅▅▅▆▆▆▆▆▅▄▅▅▅▅▅▂▂▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██▅▅▅▄▃28.70328.4828.22527.31129.95634.23134.38831.17331.49528.01822.24123.77925.21625.50225.20324.8996.8098.1186.1576.2736.3725.6645.8965.5024.8944.7894.2433.8874.0313.3323.4763.9654.6085.1374.6734.04243.3843.72426.51125.79925.35522.43917.288NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent █▇▆██▆▄▅▆▆▅▆▄▅▆▇▅▇▅▅▃▂▃▃▅▃▃▄▃▃▃▂▃▂▂▂▃▁▂▂▁▁▂41.89838.17234.71243.62342.87137.15627.43330.54235.98533.43231.55234.46926.51830.99133.21138.47430.12437.47829.72730.11724.36719.86221.6623.3730.79223.90721.9824.77722.80223.620.77220.26721.34719.74316.45219.69721.10815.16516.53217.31814.17313.93220.291NANANA
us-gaap:LiabilitiesCurrent ▆▅▅▆▆▄▄▃▄▄▃▄▃▃▄▄▃▄▅▅▄▄▄▄▆▅▄▅▄▄▄▄▃▃▂▄█▁▁▂▁▁▃68.26662.52762.52666.25164.75554.4750.47649.65255.33450.92148.36650.50544.41348.16551.05154.36846.69350.9159.85359.1454.51350.49351.99355.22664.49158.92755.1658.43555.58154.28150.41850.95948.93747.09640.56756.77781.43932.47832.63138.29634.33933.25649.455NANANA
us-gaap:OperatingLeaseLiabilityCurrent NANA2.682NANANA1.954NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▄▅▆▄▃▃▄▄▃▃▂▂▂▂▂▂▂▂▁▂▁▁▁▂▂▂▂▁▁▁▁▁▁▂▂█▁▁▁▁▁▂▄8.72710.1612.1069.3577.1565.8269.0517.7175.9455.2713.755.0194.5884.4274.0094.8953.8583.4092.4343.4272.5482.2172.2853.1823.3813.8343.732.2241.7011.6981.812.6612.654.0223.43917.5832.5142.6612.3052.6132.3672.9189.548NANANA
us-gaap:TaxesPayableCurrent ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▁▁▁▂▁▁▁▁▁▁▁▁▁█0.9890.8560.9020.3790.3630.5670.5840.5970.5790.7060.9331.3111.2542.1831.7671.2271.0720.8770.7290.2510.2473.3263.622.0222.2372.932.9632.7532.0541.7682.2662.1281.4761.4441.2131.16837.936NA0.01.7590.354NA0.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxLiabilitiesNet NANA0.0750.0870.1210.1620.164NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ███████▆▆▅▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁14.89914.33614.73914.43614.114.13714.09311.96912.0319.294.3914.7864.0954.1593.9444.5014.4224.1153.9213.4223.3153.2463.1232.5692.673NA2.812NANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent NANA7.345NANANA7.031NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA2.84NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA2.477NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA1.334NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA0.342NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA0.83NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ██▇▇▇▆▆▄▄▄▃▄▃▄▄▄▄▄▃▃▂▂▂▂▂▂▂▂▂▃▂▂▂▁▁▁▂▂▁▁▂▁▁870.344853.823810.411779.797759.472743.83724.546565.328543.865531.301527.072531.132521.829533.832547.682562.259547.003530.143488.105469.058448.008435.221428.619411.197427.681440.482430.676451.633452.663457.178436.686414.904383.283361.768341.049347.676386.004382.585365.92368.387387.929373.041354.035NANANA
us-gaap:CommonStockValue ▁▅▁▁▁▁▁▁▁▁▁▁▁▅▅▅▅▅▁▁▁▁▁▁▅▅▅▅████▅▅▁▅▅▁▁▁▅▅▁0.0280.0290.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0290.0290.0290.0290.0290.0280.0280.0280.0280.0280.0280.0290.0290.0290.0290.030.030.030.030.0290.0290.0280.0290.0290.0280.0280.0280.0290.0290.028NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ▅▆▅▅▄▃▃▂▂▁▁▂▃▄▆▅▅▅▄▃▃▂▂▂▃▄▄▆▇█▇▇▆▅▄▅▅▄▃▄▅▅▄185.878203.051190.92181.192168.47162.343152.117143.554134.443127.769126.164148.696152.38175.352198.384192.074189.259182.235172.875162.82151.806146.655145.366136.422161.089178.816171.938203.076216.337234.667223.66215.404198.375187.984175.668188.587181.203168.918158.646166.007191.549185.834175.295NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▂▂▂▂▁▁▁687.593653.579621.626600.932592.694585.773575.531422.83410.73404.865402.569384.484371.509360.833351.408372.476360.134350.393317.912308.095297.701290.19285.076275.79267.73262.668259.845249.002236.486222.796213.466199.828185.566174.239165.646158.773204.627213.241207.196202.272196.193187.043178.627NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▄▄▅▁▃▆▅▅▅▄▄▄▄▄▄▄▃▅▅▅▅▆▆▆▆▇▇▇▇▇▆▇▇███▇████-3.155-2.836-2.163-2.355-1.72-4.314-3.13-1.084-1.336-1.361-1.689-2.076-2.088-2.382-2.139-2.32-2.419-2.514-2.71-1.885-1.527-1.652-1.851-1.043-1.167-1.031-1.136-0.474-0.19-0.315-0.47-0.358-0.687-0.484-0.2930.2870.1450.3980.050.080.1580.1350.085NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment▄▄▄▂▁▁▁▇▇▇▇▆▆▆▅▃▃▃▃▅▄▄▄▆▆▅▅▇▇▇▇████-1.664-1.716-1.641-2.326-2.375-2.433-2.484-0.661-0.678-0.696-0.712-1.143-1.174-1.205-1.237-1.788-1.838-1.887-1.936-1.463-1.504-1.544-1.584-1.148-1.212-1.226-1.24-0.735-0.75-0.766-0.78-0.517-0.532-0.546-0.56NANANA0.0NANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▃▃▅▆█▂▄▄▃▃▂▂▂▁▂▂▂▂▂▃▃▃▂▃▃▃▃▃▄▃▃▃▂▃▃-0.0210.310.891.5642.197-0.3690.5830.5330.3250.068-0.266-0.274-0.439-0.665-0.427-0.075-0.122-0.137-0.220.0190.1640.116-0.0970.0660.0460.1390.0830.2030.4490.3570.210.076-0.120.0840.138NANANA0.0NANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustment▂▂▂▁▁▁▂▄▃▄▅▅▆▅▆▆▆▅▅▆▇▇▇█▇███████▇▇█-1.47-1.43-1.412-1.593-1.542-1.512-1.229-0.956-0.983-0.733-0.711-0.659-0.475-0.512-0.475-0.457-0.459-0.49-0.554-0.441-0.187-0.224-0.170.039-0.0010.0560.0210.0580.1110.0940.10.083-0.035-0.0220.129NANANA0.05NANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁█0.03.651NA3.3640.7695.529NA4.0051.1784.5NA2.9150.9784.657NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStock▁█0.00.001NANA0.00.0NA0.00.00.0NA0.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital█▇▅█▄▅▅▃▃▂▁▂▄▃9.28.486.9039.3585.9816.716.6775.1065.4964.4073.8884.3896.1255.625NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▄▃▂▃▃█▂▂▂▂▂▃▂▃▃▃▂▃▃▃▂▃▃▃▂▂▃▃▂▂▃▃▂▂▁▃▂▂▂▃▂▁▂▃▂66.84858.12246.36616.22936.65326.391182.15921.84419.421.07618.32923.20926.69715.72927.44224.56224.0885.94727.74226.25823.6120.29124.79924.65525.06117.67212.47530.60926.23516.24323.46329.00124.63521.57222.151-19.63127.74321.5679.16619.38734.9645.675-5.60213.70835.08716.779
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▇▅▄▇▅▂▄▄▆▆▅▇█▇▆▄▅▃▄▆▆▆▆▅▆▇▅▆▅▅▄▅▅▅▇▁▅▆▅▆▅▅▅▆▅-78.39830.469-13.787-32.32230.338-12.494-78.266-40.179-41.922-1.679-0.119-10.0833.96545.37520.2291.365-34.309-22.001-62.085-37.164-9.389-8.7913.295-9.38-9.7498.09825.775-29.288-5.42-29.216-9.588-46.806-12.398-21.872-15.70218.724-108.24-19.488-6.384-12.437-3.589-29.897-10.046-10.5773.562-29.484
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▆▆▆▆▆▆▆▆▅▂▅▂▂▆▅▆▇▇▇▆▆▇▂▃▆▁▄▃▇▇█▇▇▄▇▇▇▅▂▇▇█▇▆▇-34.241-4.193-5.719-3.218-6.125-2.128-5.365-0.994-3.802-7.739-32.624-12.765-33.802-33.432-4.716-7.876-3.4650.2550.5871.453-3.613-6.8572.263-31.481-25.008-0.841-38.262-19.661-25.7224.0120.93510.4973.76.395-17.8022.2946.7025.24-11.524-28.8661.4256.2497.2321.177-4.1693.026
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▇▅▂▆▄█▂▂▃-45.79184.39826.86-19.31160.86611.76998.528-19.329-26.304-8.342NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▃▃▃▂▃▃▄▃▃▃▂▃▃▃█▃▃▂▂▃▃▃▁▃▃▃▃▂▂▄▃▂▃▂▂▃▄▃▃▃▃▃▃▃▃▃-0.2631.445-0.692-1.1790.1841.0952.741-0.3810.4981.161-3.07-0.495-0.76-0.1416.3230.1630.457-1.105-1.150.2760.3-0.086-5.5680.0660.0090.0770.939-0.917-3.7293.8642.025-2.4180.848-3.236-2.072-0.7455.161-0.3270.798-0.0470.4270.3990.875-0.461-0.7881.498
us-gaap:IncreaseDecreaseInAccountsPayable ▆▅▄▄▃█▃▂▅▅▄█▁▄▂█▄▃▄▆▆▃▄▁▆▄▄▄▄▅▄▄▄▅▃▅▅▅▄▅▄▃▄▃▃▇4.7723.281-0.6680.504-2.9678.828-3.92-6.7892.9331.22-1.3119.923-7.5090.233-4.9038.928-1.252-2.377-1.3235.9984.879-1.840.035-8.3385.9540.349-0.1720.6390.7821.088-0.485-0.5050.6252.832-2.7711.0472.311.485-0.4743.17-1.352-2.908-0.576-4.36-1.8426.295
us-gaap:IncreaseDecreaseInAccountsReceivable ▄▅▅█▂▃▃▄▅▆▃▆▁▄▄▃▅▆▂▄▄▅▃▃▄▄▄▂▄▅▃▄▄▆▃▂▃▆▄▄▂▆▃▁▁▅-0.8126.3455.97216.884-7.725-3.831-1.5450.3515.169.293-2.8687.052-10.8720.934-0.394-1.3763.7318.518-7.8140.7792.823.565-3.243-1.9380.50.55-0.2-5.9720.0224.017-2.712-0.6460.9017.393-3.824-6.825-1.9647.3-0.9212.15-5.237.622-2.382-10.362-9.3225.83
us-gaap:IncreaseDecreaseInInventories ▄▁▄▅▆▆▅▄▅▆▆▆▆▆▅▅▅▄▅▅▅▃▃▂▄▄▆▆▅▆▅▄▄▄▄▄▃▂▄▄▂▅▇█▆▆-0.866-12.369-1.9270.8427.336.2531.67-0.4874.1174.2236.6565.3775.6166.1211.9292.7261.283-1.4152.6233.1921.084-6.269-3.505-8.792-0.779-0.4247.0645.6933.2945.6521.984-2.938-0.528-0.893-2.281-1.626-4.958-9.1610.147-2.269-8.8790.96410.79213.3364.2755.185
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▄▃▂▃▃█▂▂▂▂▂▃▂▃▃▃▂▃▃▃▂▃▃▃▂▂▃▃▂▂▃▃▂▂▁▃▂▂▂▃▂▁▂▃▂66.84858.12246.36616.22936.65326.391182.15921.84419.421.07618.32923.20926.69715.72927.44224.56224.0885.94727.74226.25823.6120.29124.79924.65525.06117.67212.47530.60926.23516.24323.46329.00124.63521.57222.151-19.63127.74321.5679.16619.38734.9645.675-5.60213.70835.08716.779
us-gaap:NetIncomeLoss ▄▄▃▃▃▃█▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▂▃▃▃▃▃▃▃▃▃41.88139.79827.27814.8213.19215.886158.29117.09910.8457.23322.73617.66715.38114.2-16.89816.50613.90214.09913.61714.16511.2658.84312.70111.5138.596.34314.35416.11116.71612.36316.03716.65413.67210.9039.716-44.406-7.1767.4616.3267.51210.5999.8548.92912.63415.58712.314
us-gaap:ShareBasedCompensation █▇██▅▆▇▄▄▃▄▃▅▅▆▅▅▄▅▅▄▄▂▃▃▃▃▂▃▃▃▃▃▃▃▃▃▂▂▁▂▂▂▂▂▁9.28.488.8639.3585.9816.718.3385.1065.4964.4075.4424.3986.1155.6256.8556.5266.3274.9695.6685.7895.0124.4163.2653.3613.754.3913.6122.584.1753.9154.334.1914.3283.6363.7043.8473.6423.0312.3521.6692.4442.5043.2622.9162.5162.027
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▇▅▄▇▅▂▄▄▆▆▅▇█▇▆▄▅▃▄▆▆▆▆▅▆▇▅▆▅▅▄▅▅▅▇▁▅▆▅▆▅▅▅▆▅-78.39830.469-13.787-32.32230.338-12.494-78.266-40.179-41.922-1.679-0.119-10.0833.96545.37520.2291.365-34.309-22.001-62.085-37.164-9.389-8.7913.295-9.38-9.7498.09825.775-29.288-5.42-29.216-9.588-46.806-12.398-21.872-15.70218.724-108.24-19.488-6.384-12.437-3.589-29.897-10.046-10.5773.562-29.484
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▃█▄▃▃▃▂▂▁▂▃▂▂▁▂▄▂▂▁▁▁▂▁▁▁▂▂▂▂▁▂▁▂▂▁▁▂▂▂▂▂▃▂▃▁8.24311.05134.8614.11610.01911.6039.7895.9774.8893.4595.5578.6074.0226.4912.9296.69116.4736.4034.1243.1842.7952.0953.742.4751.8223.3225.6777.5095.424.4652.714.3582.9423.954.1773.4271.2837.4716.9943.715.2717.2488.7348.3210.1533.36
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▆▆▆▆▆▆▆▆▅▂▅▂▂▆▅▆▇▇▇▆▆▇▂▃▆▁▄▃▇▇█▇▇▄▇▇▇▅▂▇▇█▇▆▇-34.241-4.193-5.719-3.218-6.125-2.128-5.365-0.994-3.802-7.739-32.624-12.765-33.802-33.432-4.716-7.876-3.4650.2550.5871.453-3.613-6.8572.263-31.481-25.008-0.841-38.262-19.661-25.7224.0120.93510.4973.76.395-17.8022.2946.7025.24-11.524-28.8661.4256.2497.2321.177-4.1693.026
us-gaap:PaymentsOfDividends ██▇▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁7.8677.8456.5846.5826.2715.6445.594.9994.984.9374.6514.6924.7054.7754.1714.1644.1624.1373.83.7713.7543.7293.4153.4533.5293.5193.53.5953.03.0332.42.42.32.311.41.41.41.4151.41.41.41.4371.41.41.41.378
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.00.6232.0130.00.00.07.30228.77610.98830.07533.3142.4546.7340.00.00.00.00.356.0850.030.55522.3350.84135.50219.52725.7310.00.00.0NANA20.4670.0NANA14.18131.435NANA0.00.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value28000.029000.028000.028000.028000.028000.028000.028000.028000.028000.028000.028000.028000.029000.029000.029000.029000.029000.028000.028000.028000.028000.028000.028000.029000.029000.029000.029000.030000.030000.030000.030000.029000.029000.028000.029000.029000.028000.028000.028000.029000.029000.028000.027000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value59292829292829302828282727
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value280140140140140140140140140140140140
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value6060595929292929292928292929292928293028282827
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value61616160303030292929292930302930303029292929292930303030313130303029292828292929303029292929
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value60605959292929292928292929292929292929282828282829292930303029292928282828282828282828272727
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1340.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0690.00.00.00.00.00.0350.1678620.2819730.2975310.410.2625330.2100440.530.095793
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.690.660.460.250.440.545.380.580.370.250.780.60.520.48-0.570.550.470.480.470.490.390.310.450.40.290.220.490.540.550.410.540.560.470.380.34-1.54-0.250.260.230.260.370.340.320.450.560.45
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.680.650.450.240.440.535.280.570.370.250.770.590.510.46-0.570.540.460.470.460.480.380.30.440.390.290.210.480.520.540.40.520.540.450.370.33-1.54-0.250.250.220.250.350.330.30.430.530.42
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.28.488.8639.3585.9816.718.3385.1065.4964.4075.484.3986.1155.6256.8776.56.35.05.6685.7895.0124.4163.2653.3613.754.3913.6122.584.1753.9154.334.1914.3283.6363.7043.8473.6423.0312.3521.6682.4442.5043.2442.9352.516
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.14.95.97.75.66.17.34.55.34.95.94.05.65.56.45.85.94.85.65.65.25.23.73.84.45.34.22.94.74.74.84.64.94.74.74.94.84.23.52.23.03.34.43.93.2

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

powi:PerformanceBasedAwardsAndLongTermPerformanceBasedUnits


Allocated
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.02.71.11.3
Percentage of AllocatedShareBasedCompensationExpense43.531.818.419.4
Percentage of Revenues2.21.61.01.2
Percentage of Revenues powi:PerformanceBasedAwardsAndLongTermPerformanceBasedUnits0.00.00.00.0

powi:PerformanceBasedAwardsandLongTermPerformancebasedUnits


Allocated
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value4.21.11.30.30.9-0.6-0.11.80.92.22.31.22.11.60.7-0.20.20.6-0.80.7
Percentage of AllocatedShareBasedCompensationExpense44.918.419.45.916.4-13.6-2.329.416.033.836.524.036.331.915.9-6.05.313.7-31.016.8
Percentage of Revenues3.51.01.20.30.9-0.7-0.11.60.92.02.11.12.01.60.8-0.20.20.7-0.90.8
Percentage of Revenues powi:PerformanceBasedAwardsandLongTermPerformancebasedUnits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EmployeeStock


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.50.50.70.50.40.40.50.40.40.40.50.30.40.40.40.30.30.30.40.30.30.30.30.30.30.30.40.40.30.30.30.30.30.30.30.30.30.3
Percentage of AllocatedShareBasedCompensationExpense5.45.97.95.36.76.06.07.87.39.19.16.86.57.15.84.64.86.07.15.26.06.89.28.98.06.811.115.57.27.76.97.26.98.38.17.88.29.9
Percentage of Revenues0.30.30.50.40.40.40.40.40.40.40.50.30.40.40.40.30.30.30.40.30.30.40.30.30.40.40.50.40.30.40.30.30.30.40.40.40.40.4
Percentage of Revenues us-gaap:EmployeeStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.75.34.64.74.55.04.34.44.24.64.24.23.94.34.04.03.73.53.33.43.03.33.23.23.13.32.92.82.72.63.02.52.41.91.92.01.71.4
Percentage of AllocatedShareBasedCompensationExpense51.162.551.950.275.274.551.686.276.4104.476.695.563.876.458.261.558.770.058.258.759.974.798.095.282.775.280.3108.564.766.469.359.755.552.351.352.046.746.2
Percentage of Revenues2.63.13.13.94.24.63.83.94.15.24.53.83.64.23.73.63.43.33.33.33.13.93.73.63.64.03.33.13.03.13.32.72.72.52.42.62.22.0
Percentage of Revenues us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.640.6310.7130.6020.2520.3960.4130.280.2730.2710.3130.2430.2920.2490.4360.3910.3510.1430.4170.3480.2930.090.2080.2190.2570.2490.2310.1310.2980.2190.250.2960.2640.264
Percentage of AllocatedShareBasedCompensationExpense7.07.48.06.44.25.95.05.55.06.15.75.54.84.46.36.05.62.97.46.05.82.06.46.56.95.76.45.17.15.65.87.16.17.3
Percentage of Revenues0.40.40.50.50.20.40.40.20.30.30.30.20.30.20.40.40.30.10.40.30.30.10.20.20.30.30.30.10.30.30.30.30.30.3
Percentage of Revenues us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3.6763.8443.4683.882.122.8133.5691.7221.9381.4431.9631.4162.4262.2612.6112.5212.4362.0952.0252.2041.881.830.8990.9881.3091.7391.1570.6991.6741.5491.5111.4461.6291.437
Percentage of AllocatedShareBasedCompensationExpense40.045.339.141.535.441.942.833.735.332.735.832.239.740.238.038.838.741.935.738.137.541.427.529.434.939.632.027.140.139.634.934.537.639.5
Percentage of Revenues2.02.22.33.22.02.63.11.51.91.62.11.32.22.22.42.32.32.02.02.11.92.11.01.11.52.11.30.81.91.91.71.61.91.9
Percentage of Revenues us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3.1592.3912.9422.9762.3512.1092.7541.8932.1441.6321.9441.6342.2711.8392.3382.1732.3511.6341.9661.9341.941.4691.2811.2771.3061.3911.2620.9711.3391.2121.5151.4851.641.106
Percentage of AllocatedShareBasedCompensationExpense34.328.233.231.839.331.433.037.139.037.035.537.237.132.734.033.437.332.734.733.438.733.339.238.034.831.734.937.632.131.035.035.437.930.4
Percentage of Revenues1.81.42.02.52.21.92.41.72.11.82.11.52.11.82.22.02.21.61.91.92.01.71.51.41.51.71.51.11.51.51.71.61.91.4
Percentage of Revenues us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingAndMarketingExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.7251.6141.741.91.2581.3921.6021.2111.1411.0611.2221.1051.1261.2761.471.4411.1891.0971.261.3030.8991.0270.8770.8770.8781.0120.9620.7790.8640.9351.0540.9640.7950.829
Percentage of AllocatedShareBasedCompensationExpense18.819.019.620.321.020.719.223.720.824.122.325.118.422.721.422.218.921.922.222.517.923.326.926.123.423.026.630.220.723.924.323.018.422.8
Percentage of Revenues1.00.91.21.61.21.31.41.11.11.21.31.01.01.21.41.31.11.01.21.30.91.21.01.01.01.21.10.91.01.11.21.10.91.1
Percentage of Revenues us-gaap:SellingAndMarketingExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value41392714151415617107.56123171513-16.7171613141213119.04211118.4546.44813151612151613109.137-44.264-7.4297.8096.2967.434109.9048.9611215
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.122.518.211.714.813.4136.515.210.68.524.816.114.313.5-15.414.913.013.712.713.311.710.613.613.19.97.815.817.618.915.117.618.515.313.911.5-56.7-9.710.99.49.913.212.912.316.919.5

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value88897661535356565143455353495455545451524942444441404041403742424137393938373540424036363835
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues49.351.450.950.849.948.549.149.149.949.048.648.248.648.150.149.950.351.851.250.751.049.750.850.348.448.847.145.645.244.746.546.847.448.350.250.350.651.852.753.353.152.650.548.348.049.8

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.3061010107.8048.761109.2249.3348.398.7968.4669.229.0149.1279.5468.7658.7048.2578.7898.1337.856.8967.3617.4918.2818.3837.1557.8137.6468.2667.9848.0667.7348.1087.9417.17.0925.7476.1456.1416.4756.3396.7466.4656.013
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.25.86.78.57.38.09.38.19.19.49.47.78.48.78.48.68.18.38.28.58.49.27.98.38.810.09.77.98.89.29.18.79.210.010.210.29.39.98.68.27.78.48.78.98.18.4

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value91847459535658585145485756535455535049514742424444424549484548484639393837343135373636394135
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues50.748.649.149.250.151.550.950.950.151.051.451.851.451.949.950.149.748.248.849.349.050.349.249.751.651.252.954.454.855.353.553.252.651.749.849.749.448.247.346.746.947.449.551.752.050.2

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value45402815141618518117.2739.34191614151614131414119.17311129.2186.7341714
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.123.518.812.913.515.4162.116.310.88.210.017.415.114.414.115.213.612.814.014.212.210.812.813.710.88.219.116.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.2680.9851.0790.7981.2130.985271.4770.2250.04-13.3961.4561.1230.597320.4480.76-0.677-0.4820.5860.5980.33-1.4460.6980.6280.391-2.3071.145-2.1930.625-0.4330.0220.181-1.609-0.096-4.941161.8751.8883.6033.0482.2652.5413.0353.7073.058
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.80.60.70.71.10.923.81.30.20.0-14.41.31.00.629.70.40.7-0.6-0.50.60.60.4-1.70.80.70.5-2.71.3-2.50.8-0.50.00.2-2.1-0.1-6.322.02.62.84.83.83.03.54.04.64.3

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.5721.512-0.0460.228-2.460.305200.1930.5120.3781.541.7193.9050.2730.0220.182-0.336-1.4391.9040.1453.9510.613-0.534-1.0581.4080.6570.586-2.5590.794-1.942-3.5682.5640.565-3.6981.581431.4460.630.680.2430.1920.1181.0671.3370.5980.016
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.80.9-0.00.2-2.30.317.70.20.50.41.71.63.60.30.00.2-0.3-1.41.90.14.10.7-0.6-1.21.70.80.7-2.80.9-2.3-3.92.80.6-4.82.055.11.90.91.00.30.20.21.51.80.70.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value41392714131515817107.23322171514-16.8981613141314118.84312118.596.34314161612161613109.716-44.406-7.1767.4616.3267.512109.8548.929121512
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.322.918.112.212.314.5138.315.010.58.124.416.014.013.8-15.614.812.913.513.513.611.610.414.613.010.17.716.617.918.814.917.718.215.614.212.3-56.9-9.410.49.510.013.212.812.216.719.517.2

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value41392714131515817107.23322171514
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.322.918.112.212.314.5138.315.010.58.124.416.014.013.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value173000.0597000.0630000.0877000.01480000.01777000.01852000.01078000.01310000.01152000.01297000.01098000.0885000.0836000.0796000.0895000.0465000.0506000.0299000.0282000.0236000.0261000.0206000.0428000.014000.0-223000.0182000.0381000.0198000.0257000.0497000.082000.0565000.0217000.0156000.0-33100000.0195000.0615000.0421000.0552000.0461000.0442000.0500000.0415000.0471000.0494000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.30.40.71.41.61.60.91.31.31.41.00.80.80.70.80.40.50.30.30.20.30.20.50.0-0.30.20.40.20.30.50.10.60.30.2-42.40.30.90.60.70.60.60.70.60.60.7

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value464446444041-125.418404139393840393939393736363634313234353332343333323230295428252324242425232221
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.725.530.737.038.037.7-109.635.640.644.142.835.437.138.436.535.636.535.936.135.437.139.936.536.440.842.839.235.738.740.036.835.137.440.037.870.537.136.035.632.630.532.234.531.528.429.4

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value444027141215183179.766.1218.043181513141614121214118.91211119.2046.957111614121516139.0779.465-16.2479.4138.7217.79310131110151814
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.023.118.412.212.113.8160.415.39.56.98.616.414.313.513.414.413.212.312.713.912.010.412.713.310.88.413.718.716.115.316.718.115.111.812.0-20.812.312.211.714.116.415.215.020.223.620.8

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-40000.0-18000.0181000.0-51000.0-30000.0-283000.0-273000.027000.0-250000.0-22000.0-52000.0-184000.037000.0-37000.0-18000.02000.031000.064000.0-113000.0-254000.037000.0-54000.0-209000.040000.0-57000.035000.0-37000.0-53000.017000.0-6000.017000.0118000.0-13000.0-151000.032000.0114000.0-124000.057000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.0-0.00.1-0.0-0.0-0.3-0.20.0-0.2-0.0-0.1-0.20.0-0.0-0.00.00.00.1-0.1-0.20.0-0.1-0.20.0-0.10.0-0.0-0.10.0-0.00.00.1-0.0-0.20.00.1-0.20.1

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-319000.0-673000.0192000.0-635000.02594000.0-1184000.0-2046000.0252000.025000.0328000.0387000.012000.0294000.0-243000.0181000.099000.095000.0196000.0-825000.0-358000.0125000.0199000.0-808000.0124000.0-136000.0105000.0-662000.0-284000.0125000.0155000.0-112000.0329000.0-203000.0-191000.0-580000.0142000.0-253000.0348000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.2-0.40.1-0.52.4-1.1-1.80.20.00.40.40.00.3-0.20.20.10.10.2-0.8-0.30.10.2-0.90.1-0.20.1-0.8-0.30.10.2-0.10.4-0.2-0.2-0.70.2-0.30.5

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value52000.0-75000.0685000.049000.058000.051000.0-1823000.017000.018000.016000.0431000.031000.031000.032000.0551000.050000.049000.049000.0-473000.041000.040000.040000.0-436000.064000.014000.014000.0-505000.015000.016000.014000.0-263000.015000.014000.014000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-16.311.1356.8-7.72.2-4.389.16.772.04.9111.4258.310.5-13.2304.450.551.625.057.3-11.532.020.154.051.6-10.313.376.3-5.312.89.0234.84.6-6.9-7.3
Percentage of Revenues0.0-0.00.50.00.10.0-1.60.00.00.00.50.00.00.00.50.00.00.0-0.50.00.00.0-0.50.10.00.0-0.60.00.00.0-0.30.00.00.0
Percentage of Revenues us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-331000.0-580000.0-674000.0-633000.02566000.0-952000.050000.0208000.0257000.0334000.08000.0165000.0226000.0-238000.0-352000.047000.015000.083000.0-239000.0-145000.048000.0213000.0-163000.020000.0-93000.056000.0-120000.0-246000.092000.0147000.0134000.0196000.0-204000.0-54000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax103.886.2-351.099.798.980.4-2.482.51028.0101.82.11375.076.997.9-194.547.515.842.329.040.538.4107.020.216.168.453.318.186.673.694.8-119.659.6100.528.3
Percentage of Revenues-0.2-0.3-0.4-0.52.4-0.90.00.20.20.40.00.10.2-0.2-0.30.00.00.1-0.2-0.10.00.2-0.20.0-0.10.1-0.1-0.30.10.20.10.2-0.2-0.1
Percentage of Revenues us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-319000.0-673000.0-635000.02594000.0-1184000.0252000.025000.0328000.012000.0294000.0-243000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.2-0.4-0.52.4-1.10.20.00.40.00.3-0.2
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-40000.0-18000.0181000.0-51000.0-30000.0-283000.0-273000.027000.0-250000.0-22000.0-52000.0-184000.037000.0-37000.0-18000.02000.031000.064000.0-113000.0-254000.037000.0-54000.0-209000.040000.0-57000.035000.0-37000.0-53000.017000.0-6000.017000.0118000.0-13000.0-151000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax12.52.794.38.0-1.223.913.310.7-1000.0-6.7-13.4-1533.312.615.2-9.92.032.632.713.770.929.6-27.125.932.341.933.35.618.713.6-3.9-15.235.96.479.1
Percentage of Revenues-0.0-0.00.1-0.0-0.0-0.3-0.20.0-0.2-0.0-0.1-0.20.0-0.0-0.00.00.00.1-0.1-0.20.0-0.1-0.20.0-0.10.0-0.0-0.10.0-0.00.00.1-0.0-0.2
Percentage of Revenues us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value21202120191918171917171717171717171615151514131314141313141312121312111112109.7321010109.7539.3488.6748.111
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.111.514.517.218.517.516.015.718.720.119.315.716.317.015.915.616.115.915.615.316.317.315.915.617.418.115.814.916.116.214.314.215.315.914.614.615.814.814.613.812.713.113.412.410.911.3

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18017315012110610911411410289931101091031081111071041011039785878885828690888390918777797876716675807672757971
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:MajorCustomers

powi:Distributors


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value136134111858783221787469688383798183858076757367
Percentage of Revenues75.777.274.170.481.776.1193.368.372.778.373.475.775.876.775.474.879.577.075.972.875.178.9
Percentage of Revenues75.777.274.170.481.776.1193.368.372.778.373.475.775.876.775.474.879.577.075.972.875.178.9
Percentage of Revenues powi:Distributors100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementGeographical

country:CN


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-03-31
Value12211876656064594759585159565443
Percentage of Revenues67.868.363.261.555.156.557.753.053.853.549.853.352.652.450.8
Percentage of Revenues67.868.363.261.555.156.557.753.053.853.549.853.352.652.450.8
Percentage of Revenues country:CN100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:DE


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value7.6567.0066.0735.7555.8475.5676.5364.9213.8134.9273.5213.8733.7053.3043.032.8172.9152.7961.7741.9391.7512.099
Percentage of Revenues4.34.04.04.85.55.15.74.33.75.53.83.53.43.22.82.52.72.71.81.91.82.5
Percentage of Revenues4.34.04.04.85.55.15.74.33.75.53.83.53.43.22.82.52.72.71.81.91.82.5
Percentage of Revenues country:DE100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:JP


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.1524.6474.8474.3034.3983.9054.1844.7532.9093.654.6595.045.6474.5515.4314.8535.8374.6484.2155.2085.5354.808
Percentage of Revenues2.92.73.23.64.13.63.74.22.84.15.04.65.24.45.04.45.44.44.25.05.75.6
Percentage of Revenues2.92.73.23.64.13.63.74.22.84.15.04.65.24.45.04.45.44.44.25.05.75.6
Percentage of Revenues country:JP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:KR


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value131210127.284107.7747.1776.9028.5427.9128.0878.2299.6499.4859.3439.6789.50611119.8879.673
Percentage of Revenues7.67.26.810.06.89.46.86.36.79.68.57.37.59.48.88.49.09.111.010.910.211.3
Percentage of Revenues7.67.26.810.06.89.46.86.36.79.68.57.37.59.48.88.49.09.111.010.910.211.3
Percentage of Revenues country:KR100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:TW


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6.3616.4423.8394.1337.1996.4799.05110106.6727.0711112111412101313121410
Percentage of Revenues3.53.72.53.46.75.97.99.19.97.57.610.211.811.513.011.210.012.513.711.614.412.2
Percentage of Revenues3.53.72.53.46.75.97.99.19.97.57.610.211.811.513.011.210.012.513.711.614.412.2
Percentage of Revenues country:TW100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.8194.13.0372.382.9352.7132.52.8782.6122.6723.2594.463.7293.8673.5694.7754.4743.8293.5764.1533.6113.608
Percentage of Revenues2.12.42.02.02.72.52.22.52.53.03.54.13.43.83.34.34.23.73.54.03.74.2
Percentage of Revenues2.12.42.02.02.72.52.22.52.53.03.54.13.43.83.34.34.23.73.54.03.74.2
Percentage of Revenues country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:OtherCountries


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1213108.3535.4941010108.4854.5955.3585.3955.1684.8755.4874.7524.5994.0594.3093.7213.5723.396
Percentage of Revenues7.07.66.86.95.19.39.59.08.25.25.74.94.74.75.14.34.33.94.33.63.74.0
Percentage of Revenues7.07.66.86.95.19.39.59.08.25.25.74.94.74.75.14.34.33.94.33.63.74.0
Percentage of Revenues powi:OtherCountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:WesternEuropeExcludingGermany


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value8.727.137.9997.5357.995107.2799.228.625101112111310121211109.859.83910
Percentage of Revenues4.84.15.36.27.59.26.48.18.412.212.811.710.513.29.711.711.911.410.79.510.112.6
Percentage of Revenues4.84.15.36.27.59.26.48.18.412.212.811.710.513.29.711.711.911.410.79.510.112.6
Percentage of Revenues powi:WesternEuropeExcludingGermany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1514141313131413131313131313131213121212121111111212111112121211111010109.1768.1398.2827.998.1048.2489.0637.6577.5276.92
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.58.19.511.312.212.312.811.812.814.614.112.112.312.712.211.512.211.712.411.612.413.412.712.514.614.713.712.813.714.613.412.212.914.013.113.212.011.312.410.610.110.712.410.19.49.7

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value967944903876853827803636620600588604588604621624601588555535509492487473499507493519517521501483449426399416479450432440454436433344
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9790929694837971766961736670736254586766615758627166626764646468666458689367667266637959
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.19.610.311.011.010.19.911.212.311.510.512.111.311.711.810.09.19.912.112.412.111.712.113.214.413.112.813.012.512.312.914.214.815.214.616.519.515.015.516.414.614.618.217.3

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value967944903876853827803636620600588604588604621624601588555535509492487473499507493519517521501483449426399416479450432440454436433344
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value870853810779759743724565543531527531521533547562547530488469448435428411427440430451452457436414383361341347386382365368387373354284259289
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets89.990.489.789.089.089.990.188.887.788.589.587.988.788.388.290.090.990.187.987.687.988.387.986.885.686.987.287.087.587.787.185.885.284.885.483.580.585.084.583.685.485.481.882.70.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-3.155-2.836-2.163-2.355-1.72-4.314-3.13-1.084-1.336-1.361-1.689-2.076-2.088-2.382-2.139-2.71-1.851-1.136-0.47
Percentage of StockholdersEquity-0.4-0.3-0.3-0.3-0.2-0.6-0.4-0.2-0.2-0.3-0.3-0.4-0.4-0.4-0.4-0.6-0.4-0.3-0.1
Percentage of Assets-0.3-0.3-0.2-0.3-0.2-0.5-0.4-0.2-0.2-0.2-0.3-0.3-0.4-0.4-0.3-0.5-0.4-0.2-0.1
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value185203190181168162152143134127126148152175198172145171223175158175150145176
Percentage of StockholdersEquity21.423.823.623.222.221.821.025.424.724.023.928.029.232.836.235.433.939.951.251.543.449.552.756.060.9
Percentage of Assets19.221.521.120.719.719.618.922.621.721.321.424.625.929.031.931.129.834.844.644.036.640.543.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value0.0280.0290.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0290.0290.0280.0280.0290.030.0280.0280.0280.0270.0280.03
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value687653621600592585575422410404402384371360351317285259213165207178134114113
Percentage of StockholdersEquity79.076.576.777.178.078.879.474.875.576.276.472.471.267.664.265.166.560.348.948.656.650.547.344.039.1
Percentage of Assets71.069.268.868.669.470.871.666.466.267.468.463.663.259.756.657.258.552.642.641.547.941.239.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value667642601592577560541374360341332348332349364346342333318298269249240223257262265292295301277251216191164186208280250267276255261215
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets69.068.066.667.767.667.767.358.958.056.856.557.756.657.858.755.656.956.657.455.852.950.649.347.251.651.753.956.257.157.855.352.048.144.841.344.943.562.357.860.860.958.560.462.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value297343258232251190178809912513414814812193503246629510594905975856060798392788569637473147139148170137155164159125134167118
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.736.328.726.529.423.022.212.616.020.922.824.625.220.115.18.15.47.911.217.920.719.218.512.615.216.912.311.715.316.118.516.219.016.315.917.915.332.732.333.737.531.535.90.00.00.039.20.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2973432582322511901788099125134
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.736.328.726.529.423.022.212.616.020.922.8

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-302021-03-312020-12-312019-12-31
Value217148190232
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0
Percentage of Assets22.515.721.128.9

us-gaap:MarketableSecuritiesCurrent us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CommercialPaper, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Marketable
Period End2020-12-31
Value43
Percentage of MarketableSecuritiesCurrent22.9
Percentage of Assets4.8
Percentage of Assets us-gaap:CommercialPaper powi:ShorttermInvestmentsDueinLessThanThreeMonths0.0

us-gaap:CorporateDebtSecurities, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Marketable
Period End2020-12-312019-12-31
Value1915
Percentage of MarketableSecuritiesCurrent10.56.9
Percentage of Assets2.22.0
Percentage of Assets us-gaap:CorporateDebtSecurities powi:ShorttermInvestmentsDueinLessThanThreeMonths0.00.0

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Marketable
Period End2020-12-312019-12-31
Value12671
Percentage of MarketableSecuritiesCurrent66.630.8
Percentage of Assets14.08.9
Percentage of Assets us-gaap:CorporateDebtSecurities us-gaap:ShortTermInvestments0.00.0

us-gaap:MarketableSecuritiesCurrent us-gaap:InvestmentType

powi:ShorttermInvestmentsDueinLessThanThreeMonths


Marketable
Period End2020-12-312019-12-31
Value6315
Percentage of MarketableSecuritiesCurrent33.46.9
Percentage of Assets7.02.0
Percentage of Assets powi:ShorttermInvestmentsDueinLessThanThreeMonths0.00.0

us-gaap:ShortTermInvestments


Marketable
Period End2020-12-312019-12-31
Value12671
Percentage of MarketableSecuritiesCurrent66.630.8
Percentage of Assets14.08.9
Percentage of Assets us-gaap:ShortTermInvestments0.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value352425252011136.84317161718156.9611414117.81811131210101616121515147.3261117169.396108.07135.71321
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.03.04.14.13.41.92.31.22.92.72.83.12.61.32.72.72.31.62.32.62.52.12.03.23.12.53.13.53.51.82.73.73.72.22.31.83.01.36.3

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value41423529122024
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.54.03.41.52.53.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8990102104103969088898580746863575552515249464551556465645651474240434344464842525154636226
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.39.611.412.012.211.711.213.914.414.213.712.311.710.59.28.88.78.79.59.39.29.310.711.712.912.813.011.09.99.28.48.39.610.211.211.310.19.512.011.811.914.414.37.6

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5305000.04367000.06949000.04289000.03960000.03727000.04243000.03854000.04706000.04673000.04529000.03823000.04004000.04025000.04789000.03666000.03388000.03246000.03369000.02879000.02243000.03592000.04226000.02578000.03025000.03679000.04936000.02621000.03182000.02380000.02880000.02243000.01974000.01827000.02339000.02156000.02939000.02092000.01938000.0
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.80.50.60.60.70.70.80.80.70.60.60.70.80.70.60.60.70.60.50.70.80.50.60.70.90.50.70.50.70.60.50.40.50.50.70.50.4

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value21181314142015151516111210117.7581016168.527.3726.4787.2956.795.789.44411168.77313171815121317177.7586.2227.0686.8649.5729.263
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.21.91.51.71.72.51.92.42.52.82.02.11.81.81.21.72.82.81.51.41.31.51.41.21.92.33.31.72.63.33.73.22.73.14.44.21.61.41.61.62.12.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value380317309290257246231214199183167
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.139.452.546.746.450.546.942.749.942.438.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

powi:OfficeFurnitureAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5552535045433734282322
Percentage of PropertyPlantAndEquipmentGross14.616.517.417.417.817.616.316.014.513.013.4
Percentage of Assets6.26.59.18.18.38.97.76.87.25.55.2
Percentage of Assets powi:OfficeFurnitureAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6455535252514443423230
Percentage of PropertyPlantAndEquipmentGross17.017.617.318.220.321.119.320.421.517.818.5
Percentage of Assets7.26.99.18.59.410.79.18.710.77.57.1
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value341821156.882.2988.0688.0039.4311710
Percentage of PropertyPlantAndEquipmentGross9.25.97.05.32.70.93.53.74.79.46.5
Percentage of Assets3.92.33.72.51.20.51.61.62.44.02.5
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2221202020201616161616
Percentage of PropertyPlantAndEquipmentGross5.86.96.67.07.98.27.27.88.49.110.0
Percentage of Assets2.52.73.43.33.74.23.43.34.23.93.9
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2021681601511321281241111019286
Percentage of PropertyPlantAndEquipmentGross53.353.251.752.251.352.153.652.050.950.651.6
Percentage of Assets22.421.027.224.423.826.325.122.225.421.519.9
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

country:US, powi:PropertyAndEquipment, us-gaap:GeographicConcentrationRisk


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value167160167159155
Percentage of PropertyPlantAndEquipmentGross43.950.754.255.060.2
Percentage of Assets18.520.028.525.727.9
Percentage of Assets country:US powi:PropertyAndEquipment us-gaap:GeographicConcentrationRisk0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2132001951781621461351231099582
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.724.933.228.729.230.127.524.727.422.019.1

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value873000.01032000.01076000.01076000.01090000.01117000.01373000.01357000.01228000.01255000.01333000.01299000.01320000.01348000.01469000.01453000.01566000.01612000.01612000.01612000.01647000.01792000.01792000.01700000.01700000.01786000.01349000.01300000.01500000.01856000.01878000.01800000.01842000.01842000.01842000.01800000.01300000.0189000.0214000.0200000.0300000.0243000.0170000.0200000.0200000.0172000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16716816614713812311611411211311411311110911111411310595949597991029294959691929090898989909189888585848462
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.317.918.416.916.214.914.518.118.218.919.418.818.918.218.018.418.818.017.217.618.819.820.421.618.618.619.418.617.717.718.018.719.921.122.521.719.119.920.419.418.819.419.518.1

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value919191919191919191919191919191919191919191919191919180808080808080808078771414141414141.824
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.59.710.210.510.811.111.414.414.815.315.615.215.615.214.814.715.315.616.517.218.018.618.819.418.418.116.315.515.615.516.116.717.918.920.218.816.13.33.43.43.33.43.40.5

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:InternetDomainNames


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value1261000.01261000.01300000.01261000.01261000.01261000.01300000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.01261000.00
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.0
Percentage of Assets us-gaap:InternetDomainNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value101112131415161818202122232525262829313334363839414235363638404244454749518.6638.8529.0669.3099.5529.7953.099
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.21.41.61.71.92.12.93.03.33.63.74.04.14.14.34.75.15.76.26.87.47.88.48.28.47.27.17.17.48.08.79.810.812.011.910.71.92.02.12.02.22.30.9

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9.341011121314151612141516171919202223252728303239414229363638354244454349518.6638.8529.0669.3099.795
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.21.41.61.81.92.72.12.42.62.73.03.23.13.33.74.14.65.15.66.26.68.48.28.46.07.17.17.47.18.79.810.810.811.910.71.92.02.12.02.3

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value0.6050.7991.0131.2291.4451.6751.9322.312.6883.0833.513.9654.424.8955.4095.9226.4366.9737.5568.1398.7229.3339.9991012
Percentage of FiniteLivedIntangibleAssetsNet6.57.89.010.010.811.612.413.620.721.823.124.024.825.627.828.328.829.129.630.030.330.731.035.036.3
Percentage of Assets0.10.10.10.10.20.20.20.40.40.50.60.70.80.80.90.91.11.21.41.51.71.92.12.12.6
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value7.468.0788.8349.633101112129.21810101112131414151617181920211821
Percentage of FiniteLivedIntangibleAssetsNet79.979.178.678.277.977.577.176.471.170.971.170.469.869.372.271.771.270.569.769.068.467.867.163.760.1
Percentage of Assets0.80.91.01.11.21.41.52.01.51.71.81.92.12.22.32.42.62.93.23.53.94.24.43.84.3
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LicensingAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value1.2751.3361.3981.4591.5211.5821.6451.71.0631.0270.8850.9170.9480.980.00.00.00.00.00.0750.3750.675
Percentage of FiniteLivedIntangibleAssetsNet13.713.112.411.811.410.910.510.08.27.35.85.65.35.10.00.00.00.00.00.21.31.9
Percentage of Assets0.10.10.20.20.20.20.20.30.20.20.20.20.20.20.00.00.00.00.00.00.10.1
Percentage of Assets us-gaap:LicensingAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3.2642.6726.692.22611105.1365.2922.51213
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.31.10.42.02.21.01.10.63.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-31
Value109.521
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets1.11.2

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value282828272934343131282223252525246.8098.1186.1576.2736.3725.6645.8965.5024.8944.7894.2433.8874.0313.3323.4763.9654.6085.1374.6734.042434326252522176.698
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.03.03.13.13.54.14.34.95.14.73.83.94.34.24.14.01.11.41.11.21.31.11.21.21.00.90.90.70.80.60.70.81.01.21.21.09.09.76.15.95.65.14.01.9

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4138344342372730353331342630333830372930241921233023212422232020211916192115161714132016
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.03.85.05.04.53.44.85.85.65.45.74.55.15.36.25.06.45.45.64.84.04.44.96.24.74.54.84.44.54.14.24.74.64.14.74.43.43.83.93.13.24.74.9

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6862626664545049555048504448515446505959545051556458555855545050484740568132323834334935
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.16.66.97.67.66.66.37.88.98.58.28.47.68.08.28.77.88.610.811.010.710.210.711.712.911.611.211.310.710.410.110.510.911.010.213.617.07.27.58.77.67.611.410.4

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-31
Value2682000.01954000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.30.2

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8.72710129.3577.1565.8269.0517.7175.9455.2713.755.0194.5884.4274.0094.8953.8583.4092.4343.4272.5482.2172.2853.1823.3813.8343.732.2241.7011.6981.812.6612.654.0223.439172.5142.6612.3052.6132.3672.9189.5483.309
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.11.31.10.80.71.11.21.00.90.60.80.80.70.60.80.60.60.40.60.50.40.50.70.70.80.80.40.30.30.40.60.60.90.94.20.50.60.50.60.50.72.21.0

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-31
Value0.9890.8560.9020.3790.3630.5670.5840.5970.5790.7060.9331.3111.2542.1831.7671.2271.0720.8770.7290.2510.2473.3263.622.0222.2372.932.9632.7532.0541.7682.2662.1281.4761.4441.2131.168370.01.7590.3540.0
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0
Percentage of Assets0.10.10.10.00.00.10.10.10.10.10.20.20.20.40.30.20.20.10.10.00.00.70.70.40.40.60.60.50.40.30.50.40.30.30.30.37.90.00.40.10.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value75000.087000.0121000.0162000.0164000.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1414141414141411129.294.3914.7864.0954.1593.9444.5014.4224.1153.9213.4223.3153.2463.1232.5692.6732.812
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.61.61.71.71.81.91.91.50.70.80.70.70.60.70.70.70.70.60.70.70.60.50.50.6

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-31
Value7345000.07031000.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets0.80.9

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value2840000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value2477000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value1334000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value342000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value830000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-30
Value108.9859.2129.071
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets1.11.11.41.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value760000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value870853810779759743724565543531527531521533547562547530488469448435428411427440430451452457436414383361341347386382365368387373354284259289
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets89.990.489.789.089.089.990.188.887.788.589.587.988.788.388.290.090.990.187.987.687.988.387.986.885.686.987.287.087.587.787.185.885.284.885.483.580.585.084.583.685.485.481.882.70.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-3.155-2.836-2.163-2.355-1.72-4.314-3.13-1.084-1.336-1.361-1.689-2.076-2.088-2.382-2.139-2.71-1.851-1.136-0.47
Percentage of StockholdersEquity-0.4-0.3-0.3-0.3-0.2-0.6-0.4-0.2-0.2-0.3-0.3-0.4-0.4-0.4-0.4-0.6-0.4-0.3-0.1
Percentage of Assets-0.3-0.3-0.2-0.3-0.2-0.5-0.4-0.2-0.2-0.2-0.3-0.3-0.4-0.4-0.3-0.5-0.4-0.2-0.1
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value185203190181168162152143134127126148152175198172145171223175158175150145176
Percentage of StockholdersEquity21.423.823.623.222.221.821.025.424.724.023.928.029.232.836.235.433.939.951.251.543.449.552.756.060.9
Percentage of Assets19.221.521.120.719.719.618.922.621.721.321.424.625.929.031.931.129.834.844.644.036.640.543.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value0.0280.0290.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0280.0290.0290.0280.0280.0290.030.0280.0280.0280.0270.0280.03
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value687653621600592585575422410404402384371360351317285259213165207178134114113
Percentage of StockholdersEquity79.076.576.777.178.078.879.474.875.576.276.472.471.267.664.265.166.560.348.948.656.650.547.344.039.1
Percentage of Assets71.069.268.868.669.470.871.666.466.267.468.463.663.259.756.657.258.552.642.641.547.941.239.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value28000.029000.028000.028000.028000.028000.028000.028000.028000.028000.028000.028000.028000.029000.029000.029000.029000.029000.028000.028000.028000.028000.028000.028000.029000.029000.029000.029000.030000.030000.030000.030000.029000.029000.028000.029000.029000.028000.028000.028000.029000.029000.028000.027000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value185203190181168162152143134127126148152175198192189182172162151146145136161178171203216234223215198187175188181168158166191185175
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.221.521.120.719.719.618.922.621.721.321.424.625.929.031.930.831.531.031.130.429.829.829.828.832.235.334.839.141.845.044.644.544.144.144.045.337.837.536.637.742.242.540.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value687653621600592585575422410404402384371360351372360350317308297290285275267262259249236222213199185174165158204213207202196187178134
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.069.268.868.669.470.871.666.466.267.468.463.663.259.756.659.659.959.557.257.658.458.958.558.253.651.852.647.945.742.742.641.341.240.841.538.142.747.447.945.943.242.841.239.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-3155000.0-2836000.0-2163000.0-2355000.0-1720000.0-4314000.0-3130000.0-1084000.0-1336000.0-1361000.0-1689000.0-2076000.0-2088000.0-2382000.0-2139000.0-2320000.0-2419000.0-2514000.0-2710000.0-1885000.0-1527000.0-1652000.0-1851000.0-1043000.0-1167000.0-1031000.0-1136000.0-474000.0-190000.0-315000.0-470000.0-358000.0-687000.0-484000.0-293000.0287000.0145000.0398000.050000.080000.0158000.0135000.085000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.3-0.3-0.2-0.3-0.2-0.5-0.4-0.2-0.2-0.2-0.3-0.3-0.4-0.4-0.3-0.4-0.4-0.4-0.5-0.4-0.3-0.3-0.4-0.2-0.2-0.2-0.2-0.1-0.0-0.1-0.1-0.1-0.2-0.1-0.10.10.00.10.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-1664000.0-1716000.0-1641000.0-2326000.0-2375000.0-2433000.0-2484000.0-661000.0-678000.0-696000.0-712000.0-1143000.0-1174000.0-1205000.0-1237000.0-1788000.0-1838000.0-1887000.0-1936000.0-1463000.0-1504000.0-1544000.0-1584000.0-1148000.0-1212000.0-1226000.0-1240000.0-735000.0-750000.0-766000.0-780000.0-517000.0-532000.0-546000.0-560000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax52.760.575.998.8138.156.479.461.050.751.142.255.156.250.657.877.176.075.171.477.698.593.585.6110.1103.9118.9109.2155.1394.7243.2166.0144.477.4112.8191.10.0
Percentage of Assets-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.3-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.10.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-21000.0310000.0890000.01564000.02197000.0-369000.0583000.0533000.0325000.068000.0-266000.0-274000.0-439000.0-665000.0-427000.0-75000.0-122000.0-137000.0-220000.019000.0164000.0116000.0-97000.066000.046000.0139000.083000.0203000.0449000.0357000.0210000.076000.0-120000.084000.0138000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax0.7-10.9-41.1-66.4-127.78.6-18.6-49.2-24.3-5.015.713.221.027.920.03.25.05.48.1-1.0-10.7-7.05.2-6.3-3.9-13.5-7.3-42.8-236.3-113.3-44.7-21.217.5-17.4-47.10.0
Percentage of Assets-0.00.00.10.20.3-0.00.10.10.10.0-0.0-0.0-0.1-0.1-0.1-0.0-0.0-0.0-0.00.00.00.0-0.00.00.00.00.00.00.10.10.00.0-0.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-1470000.0-1430000.0-1412000.0-1593000.0-1542000.0-1512000.0-1229000.0-956000.0-983000.0-733000.0-711000.0-659000.0-475000.0-512000.0-475000.0-457000.0-459000.0-490000.0-554000.0-441000.0-187000.0-224000.0-170000.039000.0-1000.056000.021000.058000.0111000.094000.0100000.083000.0-35000.0-22000.0129000.050000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax46.650.465.367.689.735.039.388.273.653.942.131.722.721.522.219.719.019.520.423.412.213.69.2-3.70.1-5.4-1.8-12.2-58.4-29.8-21.3-23.25.14.5-44.0100.0
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.00.0-0.00.00.00.00.00.00.00.0-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value03651000.03364000.0769000.05529000.04005000.01178000.04500000.02915000.0978000.04657000.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value01000.000000000
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.28.486.9039.3585.9816.716.6775.1065.4964.4073.8884.3896.1255.625
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value66584616362618221191.076182326152724245.9472726232024242517123026162329242122-19.63127219.16619345.675-5.602133516
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.133.530.813.434.324.1159.219.118.91.219.621.124.415.325.422.122.45.727.425.324.323.828.427.729.421.414.434.029.519.626.031.628.028.028.0-25.236.330.013.725.843.67.4-7.718.243.923.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-78.39830-13.787-32.32230-12.494-78.266-40.179-41.922-1.679-0.119-10.083345201.365-34.309-22.001-62.085-37.164-9.389-8.7913.295-9.38-9.7498.09825-29.288-5.42-29.216-9.588-46.806-12.398-21.872-15.70218-108.24-19.488-6.384-12.437-3.589-29.897-10.046-10.5773.562-29.484
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-43.517.5-9.1-26.728.4-11.4-68.4-35.2-40.8-1.9-0.1-9.231.044.018.71.2-31.9-21.0-61.4-35.8-9.7-10.33.8-10.6-11.49.829.8-32.5-6.1-35.2-10.6-51.0-14.1-28.4-19.824.0-141.7-27.2-9.6-16.6-4.5-38.9-13.8-14.04.5-41.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-34.241-4.193-5.719-3.218-6.125-2.128-5.365-0.994-3.802-7.739-32.624-12.765-33.802-33.432-4.716-7.876-3.4650.2550.5871.453-3.613-6.8572.263-31.481-25.008-0.841-38.262-19.661-25.7224.0120.935103.76.395-17.8022.2946.7025.24-11.524-28.8661.4256.2497.2321.177-4.1693.026
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-19.0-2.4-3.8-2.7-5.7-1.9-4.7-0.9-3.7-8.7-35.0-11.6-30.9-32.4-4.4-7.1-3.20.20.61.4-3.7-8.02.6-35.4-29.3-1.0-44.2-21.8-28.94.81.011.44.28.3-22.52.98.87.3-17.3-38.51.88.19.91.6-5.24.2

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-45.7918426-19.311601198-19.329-26.304-8.342
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-25.448.617.8-15.957.010.786.1-16.9-25.6-9.4

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.2631.445-0.692-1.1790.1841.0952.741-0.3810.4981.161-3.07-0.495-0.76-0.14160.1630.457-1.105-1.150.2760.3-0.086-5.5680.0660.0090.0770.939-0.917-3.7293.8642.025-2.4180.848-3.236-2.072-0.7455.161-0.3270.798-0.0470.4270.3990.875-0.461-0.7881.498
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4772000.03281000.0-668000.0504000.0-2967000.08828000.0-3920000.0-6789000.02933000.01220000.0-1311000.09923000.0-7509000.0233000.0-4903000.08928000.0-1252000.0-2377000.0-1323000.05998000.04879000.0-1840000.035000.0-8338000.05954000.0349000.0-172000.0639000.0782000.01088000.0-485000.0-505000.0625000.02832000.0-2771000.01047000.02310000.01485000.0-474000.03170000.0-1352000.0-2908000.0-576000.0-4360000.0-1842000.06295000.0
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.8126.3455.97216-7.725-3.831-1.5450.3515.169.293-2.8687.052-10.8720.934-0.394-1.3763.7318.518-7.8140.7792.823.565-3.243-1.9380.50.55-0.2-5.9720.0224.017-2.712-0.6460.9017.393-3.824-6.825-1.9647.3-0.9212.15-5.237.622-2.382-10.362-9.3225.83
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.866-12.369-1.9270.8427.336.2531.67-0.4874.1174.2236.6565.3775.6166.1211.9292.7261.283-1.4152.6233.1921.084-6.269-3.505-8.792-0.779-0.4247.0645.6933.2945.6521.984-2.938-0.528-0.893-2.281-1.626-4.958-9.1610.147-2.269-8.8790.96410134.2755.185
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value66584616362618221191.076182326152724245.9472726232024242517123026162329242122-19.63127219.16619345.675-5.602133516
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.133.530.813.434.324.1159.219.118.91.219.621.124.415.325.422.122.45.727.425.324.323.828.427.729.421.414.434.029.519.626.031.628.028.028.0-25.236.330.013.725.843.67.4-7.718.243.923.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value41392714131515817107.23322171514-16.8981613141314118.84312118.596.34314161612161613109.716-44.406-7.1767.4616.3267.512109.8548.929121512
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.322.918.112.212.314.5138.315.010.58.124.416.014.013.8-15.614.812.913.513.513.611.610.414.613.010.17.716.617.918.814.917.718.215.614.212.3-56.9-9.410.49.510.013.212.812.216.719.517.2

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value41392714131515817107.23322171514
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.322.918.112.212.314.5138.315.010.58.124.416.014.013.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.28.488.8639.3585.9816.718.3385.1065.4964.4075.4424.3986.1155.6256.8556.5266.3274.9695.6685.7895.0124.4163.2653.3613.754.3913.6122.584.1753.9154.334.1914.3283.6363.7043.8473.6423.0312.3521.6692.4442.5043.2622.9162.5162.027
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-78.39830-13.787-32.32230-12.494-78.266-40.179-41.922-1.679-0.119-10.083345201.365-34.309-22.001-62.085-37.164-9.389-8.7913.295-9.38-9.7498.09825-29.288-5.42-29.216-9.588-46.806-12.398-21.872-15.70218-108.24-19.488-6.384-12.437-3.589-29.897-10.046-10.5773.562-29.484
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-43.517.5-9.1-26.728.4-11.4-68.4-35.2-40.8-1.9-0.1-9.231.044.018.71.2-31.9-21.0-61.4-35.8-9.7-10.33.8-10.6-11.49.829.8-32.5-6.1-35.2-10.6-51.0-14.1-28.4-19.824.0-141.7-27.2-9.6-16.6-4.5-38.9-13.8-14.04.5-41.2

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.24311341410119.7895.9774.8893.4595.5578.6074.0226.4912.9296.691166.4034.1243.1842.7952.0953.742.4751.8223.3225.6777.5095.424.4652.714.3582.9423.954.1773.4271.2837.4716.9943.715.2717.2488.7348.32103.36
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-34.241-4.193-5.719-3.218-6.125-2.128-5.365-0.994-3.802-7.739-32.624-12.765-33.802-33.432-4.716-7.876-3.4650.2550.5871.453-3.613-6.8572.263-31.481-25.008-0.841-38.262-19.661-25.7224.0120.935103.76.395-17.8022.2946.7025.24-11.524-28.8661.4256.2497.2321.177-4.1693.026
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-19.0-2.4-3.8-2.7-5.7-1.9-4.7-0.9-3.7-8.7-35.0-11.6-30.9-32.4-4.4-7.1-3.20.20.61.4-3.7-8.02.6-35.4-29.3-1.0-44.2-21.8-28.94.81.011.44.28.3-22.52.98.87.3-17.3-38.51.88.19.91.6-5.24.2

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-292012-06-302012-03-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.8677.8456.5846.5826.2715.6445.594.9994.984.9374.6514.6924.7054.7754.1714.1644.1624.1373.83.7713.7543.7293.4153.4533.5293.5193.53.5953.03.0332.42.42.32.311.41.41.41.41.41.4151.41.41.41.4371.41.41.41.378
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value0.00.00.6232.0130.00.00.07.302281030332.4546.7340.00.00.00.00.356.0850.030220.8413519250.00.00.0200.014310.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7.22.4-1.05.10.0840.0580.0830.080.020.005-0.2340.0760.0680.040.530.0260.052-0.05-0.0210.040.050.036-0.0540.0570.0680.058-0.0390.066-0.1510.0480.0020.0010.013-0.173-0.2050.11.7470.201-0.0020.3240.2230.187
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value59000.059000.092000.0137000.077000.0100000.0167000.0173000.0207000.0250000.0335000.0375000.0385000.0427000.0511000.0591000.0613000.0646000.0697000.0862000.0986000.01006000.01030000.01246000.01270000.01295000.01344000.01383000.01435000.01515000.01691000.02817000.03557000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value21.4421.4420.6320.2740.8139.4238.8838.8538.1136.3332.4131.1130.9230.1629.0328.3828.2228.1728.6228.1227.7727.6627.5827.3927.3727.4927.2727.0526.927.3527.3426.024.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-31
Value097000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0100.0

powi:LongTermPerformancebasedUnits


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-30
Value79000.0073000.000072000.000072000.000071000.000078000.0007000.065000.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value43000.057000.076000.031000.042000.0034000.058000.01000.032000.056000.00033000.055000.001000.036000.064000.01000.0038000.050000.00039000.044000.01000.0041000.060000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.058.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value138000.089000.09000.0239000.0121000.070000.016000.012000.0144000.0119000.07000.017000.0134000.0117000.04000.013000.0426000.0115000.09000.025000.0171000.0126000.017000.020000.0178000.0104000.019000.012000.0164000.086000.015000.018000.0179000.0174000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.091.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.2384.9458.1434.28620181817111314
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value211918161513119.3049.018121034292420
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2420191827262519155.9553.547
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:CommonStockDividendsIncreasePerShareDeclaredCurrentFiscalYearEachQuarter

powi:CommonStockDividendsIncreasePerShareDeclaredCurrentFiscalYearEachQuarter


Common
Period End2021-01-31
Value0.02
Percentage of CommonStockDividendsIncreasePerShareDeclaredCurrentFiscalYearEachQuarter100.0

powi:CommonStockDividendsNumberofDistributionsDeclared us-gaap:SubsequentEventType

powi:CommonStockDividendsNumberofDistributionsDeclared

us-gaap:SubsequentEvent


Common
Period End2020-07-312020-04-30
Value2.03.0
Percentage of CommonStockDividendsNumberofDistributionsDeclared100.0100.0

powi:CommonStockDividendsPerShareDeclaredCashDividendAgainNextFiscalYear us-gaap:SubsequentEventType

powi:CommonStockDividendsPerShareDeclaredCashDividendAgainNextFiscalYear

us-gaap:SubsequentEvent


Common
Period End2021-01-31
Value0.02
Percentage of CommonStockDividendsPerShareDeclaredCashDividendAgainNextFiscalYear100.0

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYear

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYear


Common
Period End2021-01-31
Value0.02
Percentage of CommonStockDividendsPerShareDeclaredCurrentFiscalYear100.0

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearEachQuarter

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearEachQuarter


Common
Period End2021-01-312019-10-31
Value0.130.095
Percentage of CommonStockDividendsPerShareDeclaredCurrentFiscalYearEachQuarter100.0100.0

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearFourthQuarter

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearFourthQuarter


Common
Period End2020-07-312020-04-302019-01-31
Value0.110.210.085
Percentage of CommonStockDividendsPerShareDeclaredCurrentFiscalYearFourthQuarter100.0100.0100.0

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearFourthQuarter us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Common
Period End2020-07-31
Value0.22
Percentage of CommonStockDividendsPerShareDeclaredCurrentFiscalYearFourthQuarter200.0

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearThirdQuarter

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearThirdQuarter


Common
Period End2020-07-312020-04-30
Value0.110.21
Percentage of CommonStockDividendsPerShareDeclaredCurrentFiscalYearThirdQuarter100.0100.0

powi:CommonStockDividendsPerShareDeclaredCurrentFiscalYearThirdQuarter us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Common
Period End2020-07-31
Value0.22
Percentage of CommonStockDividendsPerShareDeclaredCurrentFiscalYearThirdQuarter200.0

powi:CommonStockDividendsPerShareDeclaredNextFiscalYearEachQuarter us-gaap:SubsequentEventType

powi:CommonStockDividendsPerShareDeclaredNextFiscalYearEachQuarter

us-gaap:SubsequentEvent


Common
Period End2021-01-31
Value0.13
Percentage of CommonStockDividendsPerShareDeclaredNextFiscalYearEachQuarter100.0

powi:CommonStockDividendsPerShareDeclaredPriorFiscalYearFourthQuarter

powi:CommonStockDividendsPerShareDeclaredPriorFiscalYearFourthQuarter


Common
Period End2020-07-312020-04-30
Value0.110.105
Percentage of CommonStockDividendsPerShareDeclaredPriorFiscalYearFourthQuarter100.0100.0

powi:CommonStockDividendsPerShareDeclaredPriorFiscalYearThirdQuarter

powi:CommonStockDividendsPerShareDeclaredPriorFiscalYearThirdQuarter


Common
Period End2020-07-312020-04-30
Value0.110.105
Percentage of CommonStockDividendsPerShareDeclaredPriorFiscalYearThirdQuarter100.0100.0

powi:ConcentrationRiskPercentageOfNetRevenue us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

powi:ConcentrationRiskPercentageOfNetRevenue

powi:Avnet, us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value29.031.05.018.00.130.1100.110.10.1300.140.14
Percentage of ConcentrationRiskPercentageOfNetRevenue100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

powi:Honestar, us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk


Concentration
Period End2020-09-30
Value14.0
Percentage of ConcentrationRiskPercentageOfNetRevenue77.8

powi:TenCustomers, us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value79.065.00.590.550.550.560.520.560.59
Percentage of ConcentrationRiskPercentageOfNetRevenue254.8361.1453.8500.0500.0560.0400.0400.0421.4

powi:IncreaseDecreaseInAccountsReceivableAllowanceForCreditLosses

powi:IncreaseDecreaseInAccountsReceivableAllowanceForCreditLosses


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value-93000.02000.00154000.0
Percentage of IncreaseDecreaseInAccountsReceivableAllowanceForCreditLosses100.0100.00.0100.0

powi:IncreaseDecreaseInTaxesPayableAndAccruedLiabilities

powi:IncreaseDecreaseInTaxesPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1896000.06329000.0-4684000.06349000.0
Percentage of IncreaseDecreaseInTaxesPayableAndAccruedLiabilities100.0100.0100.0100.0

powi:IncreaseDecreaseinTaxesPayableandAccruedLiabilities

powi:IncreaseDecreaseinTaxesPayableandAccruedLiabilities


Increase
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value-0.801-4.6846.3490.091-2.0880.8711.013-0.2330.5770.529-3.5230.3150.6750.1531.4131.7520.7511.076-1.486-0.8815.624-3.0881.652-1.17237
Percentage of IncreaseDecreaseinTaxesPayableandAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:Increasedecreaseinaccountsreceivableallowanceforcreditlosses

powi:Increasedecreaseinaccountsreceivableallowanceforcreditlosses


Increasedecreaseinaccountsreceivableallowanceforcreditlosses
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-309000.00154000.00-237000.0180000.0
Percentage of Increasedecreaseinaccountsreceivableallowanceforcreditlosses100.00.0100.00.0100.0100.0

powi:NumberOfPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber us-gaap:Range, us-gaap:AwardType

powi:NumberOfPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber

srt:Maximum, powi:LongTermPerformanceBasedUnits


Number
Period End2021-06-302021-03-31
Value0200.0
Percentage of NumberOfPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber0.0100.0

srt:Maximum, powi:PerformanceBasedAwards


Number
Period End2021-06-302021-03-31
Value0200.0
Percentage of NumberOfPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber0.0100.0

powi:NumberofPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber us-gaap:Range, us-gaap:AwardType

powi:NumberofPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber

srt:Maximum, powi:LongTermPerformancebasedUnits


Numberof
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value198.002.0002.0
Percentage of NumberofPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber100.00.0100.00.00.0100.0

srt:Maximum, powi:PerformanceBasedAwards


Numberof
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value198.002.0002.0
Percentage of NumberofPerformanceBasedAwardsSharesReleasedAsPercentageOfTargetNumber100.00.0100.00.00.0100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-124000.0-176000.0-180000.0-204000.0-167000.0-154000.0-104000.066000.0120000.0110000.0115000.034000.0-114000.0-262000.0-297000.0-295000.0-257000.0-251000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries

us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries


Allowance
Period End2021-06-302021-03-312020-06-30
Value267000.0219000.00
Percentage of AllowanceForDoubtfulAccountsReceivableRecoveries100.0100.00.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs


Allowance
Period End2020-12-312020-09-302020-06-302020-03-31
Value44000.000154000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.00.00.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.0466.116-8.2430.2488.6825.251.4870.77-0.4352.533-1.606-1.5723.0351.961-0.36-0.578-6.102110.934-0.249-0.3731.513-1.7440.8051.1161.295-2.6261.337-1.584.6020.991-0.5760.9781.469-0.47-0.10.6130.9650.011-0.0241.5931.9174.361-0.703-1.2072.918
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-10-312019-09-302019-06-302019-03-312019-01-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.130.130.110.210.190.190.190.170.170.170.170.160.160.160.140.140.140.130.130.130.120.120.120.120.120.10.10.080.080.080.080.050.050.050.050.050.050.050.05
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-10-312019-09-302019-06-302019-03-312019-01-312018-12-312018-09-302018-06-302018-03-312018-01-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312015-01-312014-12-312014-09-302014-06-302014-04-302014-03-312013-12-312013-10-312013-09-302013-06-302013-03-312013-01-312012-12-312012-09-302012-06-302012-03-312012-01-312011-12-312011-09-302011-06-302011-03-312010-12-312010-10-312010-09-302010-06-302010-03-31
Value0.110.110.1050.0950.190.0950.170.170.170.0850.160.160.160.160.080.140.140.140.140.130.130.130.130.120.120.120.120.120.120.120.10.120.10.080.10.080.080.080.080.050.050.050.050.050.050.050.050.050.050.050.050.050.05
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

powi:Avnet, us-gaap:AccountsReceivable, us-gaap:CreditConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-31
Value58.00.130.18
Percentage of ConcentrationRiskPercentage1100.0100.0100.0

powi:Honestar, us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302021-03-31
Value19.018.0
Percentage of ConcentrationRiskPercentage10.031.0

powi:TenCustomers, us-gaap:AccountsReceivable, us-gaap:CreditConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-31
Value86.00.690.68
Percentage of ConcentrationRiskPercentage1148.3530.8377.8

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.8217.4536.6726.0025.5815.4884.9284.8314.8214.614.5494.6784.764.9315.0514.8544.3574.1124.1424.1494.2064.3154.2294.1684.0354.0324.0354.0023.8763.9714.0264.0943.9933.9753.833.7993.8953.7324.0353.8653.793.6823.3673.1743.0392.761
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStockCash

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.8677.8456.5826.2715.6444.9994.984.9374.6924.7054.775
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value21.021.021.00.210.2100.210.210.2100.210.210.2100.350.350.3500.350.350.3500.350.350.3500.350.350.3500.350.350.3500.350.350.3500.350.3500.350.35
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-21000.0-17000.0-214000.0-19000.0-262000.0-30000.0-35000.0-62000.0-56000.0-96000.0-98000.0-395000.0-22000.0-38000.0-36000.0-286000.00-38000.0-116000.0-68000.0-70000.0-78000.0-91000.0-270000.000-80000.0-11000.00-159000.0148000.00-17000.000001000.00041000.00-14000.0-5000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.00.0100.00.00.00.00.0100.00.00.0100.00.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.2483.253-3.02-2.041-8.0843.992-0.902-0.58-0.6154.229-1.2261.333-1.7533.141-3.402120.1158.2341.0960.764-0.2290.8680.887-2.428-2.0770.2271.744-4.655-3.475-1.8253.1183.603-1.27-3.928-0.32714-1.528-1.3061.2040.225-1.613-1.43513-1.048-4.2340.672
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value922000.01267000.0102000.01029000.0456000.0532000.053000.0481000.0405000.0495000.0-32000.0633000.0678000.0753000.045000.0855000.0734000.0792000.048000.0653000.0572000.0565000.014000.0443000.0666000.0749000.0-14000.0744000.0800000.0928000.0-3000.0890000.0980000.01029000.00001208000.0-51000.01080000.01408000.01559000.050000.01389000.01691000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value-331000.0-580000.0-633000.02566000.0-952000.0208000.0257000.0334000.0165000.0226000.0-238000.047000.015000.083000.0-145000.048000.0213000.020000.0-93000.056000.0-246000.092000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-371000.0-598000.0143000.0-684000.02536000.0-1235000.0-2062000.0235000.07000.0312000.0357000.0-19000.0263000.0-275000.0132000.049000.046000.0147000.0-857000.0-399000.085000.0159000.060000.0-150000.091000.0-299000.0109000.0141000.0314000.0-217000.0-205000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-331000.0-580000.0-674000.0-633000.02566000.0-952000.050000.0208000.0257000.0334000.08000.0165000.0226000.0-238000.0-352000.047000.015000.083000.0-239000.0-145000.048000.0213000.020000.0-93000.056000.0-246000.092000.0147000.0196000.0-204000.0-54000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax89.297.0-471.392.5101.277.1-2.488.53671.4107.12.2-868.485.986.5-266.795.932.656.527.936.356.5134.033.362.061.582.384.4104.362.494.026.3

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-40000.0-18000.0181000.0-51000.0-30000.0-283000.0-273000.027000.0-250000.0-22000.0-52000.0-184000.037000.0-37000.0-18000.02000.031000.064000.0-113000.0-254000.037000.0-54000.040000.0-57000.035000.0-53000.017000.0-6000.0118000.0-13000.0-151000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax10.83.0126.67.5-1.222.913.211.5-3571.4-7.1-14.6968.414.113.5-13.64.167.443.513.263.743.5-34.066.738.038.517.715.6-4.337.66.073.7

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-52000.075000.0-685000.0-49000.0-58000.0-51000.01823000.0-17000.0-18000.0-16000.0-431000.0-31000.0-31000.0-32000.0-551000.0-50000.0-49000.0-49000.0-41000.0-40000.0-40000.0-64000.0-14000.0-14000.0-15000.0-16000.0-14000.0-15000.0-14000.0-14000.000
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-6000.0-135000.0-37000.0-24000.0-31000.0-5000.0-5000.0-5000.0-9000.0-9000.0-9000.0-14000.0-14000.0-13000.0-11000.0-11000.0-11000.0-18000.0-4000.04000.04000.04000.04000.04000.04000.04000.000
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireAvailableForSaleSecurities


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value462.989167180494.7934.612580.00.05.5934496166562045144.949.9930.00.0200.024135125190.00.00.00.010190.011
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value166212.98916
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.03.6520.8653.3640.7695.5290.2254.0051.1784.50.8032.9150.9784.6571.9093.0220.6974.3924.3875.2240.4912.9575.6782.5270.8563.5190.7513.2372.8227.0452.601126.0448.7053.9753.6567.8646.4573.9923.9726.9587.2888.2762.524
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value9663642843154.1546126.78710573752284231468.295221438218.4242.2526380.00.00.0
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value10000.025000.0320000.00000036000.000002000.0002249000.0000
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.00.00.00.00.00.0100.00.00.00.00.0100.00.00.0100.00.00.00.0

us-gaap:ProvisionForOtherCreditLosses

us-gaap:ProvisionForOtherCreditLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value360000.0217000.0312000.0309000.00
Percentage of ProvisionForOtherCreditLosses100.0100.0100.0100.00.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value52000.0-75000.0-365000.049000.058000.051000.0-118000.017000.018000.016000.0-218000.031000.031000.032000.0-345000.050000.049000.049000.0-274000.041000.040000.040000.0-33000.0-64000.0-14000.0-14000.0-33000.0-15000.0-16000.0-14000.0-14000.0-15000.0-14000.0-14000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value52000.0-75000.0-365000.049000.058000.051000.0-118000.017000.018000.016000.0-218000.031000.031000.032000.0-345000.050000.049000.049000.0-274000.041000.040000.040000.0-33000.0-64000.0-14000.0-14000.0-33000.0-15000.0-16000.0-14000.0-14000.0-15000.0-14000.0-14000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-31
Value015000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value32000.039000.011000.019000.08000.03000.06000.07000.08000.04000.09000.07000.013000.03000.010000.05000.010000.019000.02000.011000.04000.07000.015000.029000.016000.03000.017000.07000.08000.04000.07000.08000.023000.012000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.0260.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-31
Value040.05
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.6835.73-0.12-29.271.7664.41.112.073.4456.810.040.732.2456.420.990.881.4747.550.130.330.446.350.161.223.141.230.722.030.5239.470.150.180.5138.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.089.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-31
Value-0.0183.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0

powi:LongTermPerformancebasedUnits


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-49.08098.7500068.1700059.900063.000043.260049.452.8-0.64047.9557.76
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.484.05-45.87-8.11100.2300.6269.460.051.761.1200-0.1264.110.020.121.8544.27-0.0337.8150.7553.740048.8958.550.06041.7836.430042.6837.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-4000.0101.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.4482.50.34-41.48-12.0197.970.910.510.8667.51-0.110.652.2860.030.110.25-2.2662.720.40.482.8542.97-0.1542.6549.3752.25-0.1858.0347.8157.050.5743.1840.835.68-0.4837.0541.9735.12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-4400.099.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-31
Value06000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.0100.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-31
Value0150000.060000.0061000.00026000.00079000.000099000.000011000.0000000083000.0054000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.02500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value315000.0209000.010000.0301000.0171000.0117000.06000.05000.0178000.0112000.08000.06000.0183000.099000.010000.08000.0156000.0110000.011000.08000.0172000.079000.010000.09000.0184000.064000.08000.013000.0200000.046000.010000.09000.0170000.06000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.03483.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-31
Value029.95
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0100.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value046.27-35.05070.110062.870063.9900046.2500052.35000000038.4800037.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0154.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.0434.570.09-29.931.9758.120.0401.7754.380.01-0.030.453.40.190.171.0245.140-0.01-0.8445.980-0.04-0.1742.70.0302.6135.93-0.18-0.341.8236.62
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0115.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value019.150.12
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice0.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockIssuedDuringPeriodSharesNewIssues


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value316000.0453000.0103000.0193000.0284000.089000.0220000.0342000.059000.0225000.0346000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:EmployeeStockOption


Stock
Period End2021-06-302021-03-312020-12-31
Value033000.045000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodShares


Stock
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value335000.032000.08000.024000.000121000.0152000.0434000.0498000.0
Percentage of StockRepurchasedDuringPeriodShares100.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.00.62.00.0-0.0027.302
Percentage of StockRepurchasedDuringPeriodValue0.0100.0100.00.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value260.00.6232.0130.00.07.302103033
Percentage of StockRepurchasedDuringPeriodValue0.00.0103.8100.70.0-0.0100.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0010.00.00.00.00.00.0-0.0010.0
Percentage of StockRepurchasedDuringPeriodValue0.00.00.00.0-0.00.00.00.00.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-02-02
Value60
Percentage of EntityCommonStockSharesOutstanding100.0

powi:AccountsReceivableBeforeAllowancesCurrent

powi:AccountsReceivableBeforeAllowancesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value78736665536461
Percentage of AccountsReceivableBeforeAllowancesCurrent100.0100.0100.0100.0100.0100.0100.0

powi:AdvancetoSuppliers

powi:AdvancetoSuppliers


Advanceto
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-31
Value4297000.03877000.04204000.03579000.03074000.03938000.03590000.02157000.02867000.02546000.01601000.01211000.06316000.069000.0
Percentage of AdvancetoSuppliers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:AllowanceForShipAndDebitCurrent

powi:AllowanceForShipAndDebitCurrent


Allowance
Period End2021-06-302021-03-312020-12-31
Value332526
Percentage of AllowanceForShipAndDebitCurrent100.0100.0100.0

powi:AllowanceForStockRotationAndRebateCurrent

powi:AllowanceForStockRotationAndRebateCurrent


Allowance
Period End2021-06-302021-03-312020-12-31
Value3151000.04886000.03931000.0
Percentage of AllowanceForStockRotationAndRebateCurrent100.0100.0100.0

powi:AllowanceforShipAndDebit

powi:AllowanceforShipAndDebit


Allowancefor
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2633303439404244473942444638
Percentage of AllowanceforShipAndDebit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:AllowanceforShipAndDebitCurrent

powi:AllowanceforShipAndDebitCurrent


Allowancefor
Period End2020-09-302020-06-302020-03-312019-12-31
Value30374033
Percentage of AllowanceforShipAndDebitCurrent100.0100.0100.0100.0

powi:AllowanceforStockRotationandRebate

powi:AllowanceforStockRotationandRebate


Allowancefor
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3931000.02524000.03796000.02454000.03101000.02159000.03757000.02874000.02746000.01700000.02855000.01101000.02459000.01721000.0
Percentage of AllowanceforStockRotationandRebate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:AllowanceforStockRotationandRebateCurrent

powi:AllowanceforStockRotationandRebateCurrent


Allowancefor
Period End2020-09-302020-06-302020-03-312019-12-31
Value4974000.02494000.02694000.02524000.0
Percentage of AllowanceforStockRotationandRebateCurrent100.0100.0100.0100.0

powi:ConcentrationRiskPercentageBenchmarkForTotalAccountsReceivable us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

powi:ConcentrationRiskPercentageBenchmarkForTotalAccountsReceivable

us-gaap:AccountsReceivable, us-gaap:CreditConcentrationRisk


Concentration
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of ConcentrationRiskPercentageBenchmarkForTotalAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

powi:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour


Finite
Period End2021-06-302021-03-312020-09-30
Value1052000.01052000.01884000.0
Percentage of FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour100.0100.0100.0

powi:IntangibleAssetsGross

powi:IntangibleAssetsGross


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value57575757575761616060606060605959595962626262685857571313
Percentage of IntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:PrepaidLegalFees

powi:PrepaidLegalFees


Prepaid
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value589000.0172000.0157000.016000.01906000.0160000.01866000.0181000.01917000.0151000.01849000.0213000.01906000.03698000.01883000.0212000.01194000.0200000.01170000.02023000.023000.060000.041000.01506000.02635000.03780000.05129000.06267000.01470000.01104000.01502000.01760000.0875000.01750000.02625000.03500000.01000000.02000000.04000000.0
Percentage of PrepaidLegalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:PrepaidMaintenanceAgreements

powi:PrepaidMaintenanceAgreements


Prepaid
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1729000.02017000.01318000.0819000.01062000.01569000.02161000.02047000.01630000.01695000.01978000.0856000.0969000.01443000.01784000.01399000.01697000.01463000.01731000.0736000.0866000.0865000.01229000.01023000.0890000.0608000.0725000.0947000.0769000.0347000.0649000.0616000.0677000.0317000.0540000.0669000.0786000.0501000.0554000.0
Percentage of PrepaidMaintenanceAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue us-gaap:AwardType

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-31
Value3030
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue100.0100.0

powi:LongTermPerformancebasedUnits


Share
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value2425191917151315141515141310105.4275.9956.546
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value8.2284.6828.2358.6523.7288.3537.4064.0435.5886.4583.8415.8196.4166.3823.6166.7146.344.9833.1880.5353.6843.982.6140.04.5014.8042.8685.565.3734.0242.5983.421
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue26.615.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-31
Value125.9991.61
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue0.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value941101248488718577686254576565697070464845353533293137353740493938293119
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue304.8360.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue us-gaap:AwardType

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-312020-12-31
Value303022
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue100.0100.0100.0

powi:LongTermPerformancebasedUnits


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1411115.7685.2746.926.5348.611101514121313127.6597.1144.7774.7470.7890.7243.445.3051.928
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value8.2284.6827.7335.9613.7283.1413.342.6481.6773.3981.5765.8195.7685.8073.026.7146.2764.8342.8370.5350.5160.6371.5690.00.272.7872.4664.6154.3353.522.491.848
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue26.615.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-31
Value125.9991.61
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue54.80.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value871031167881667971625750525960636362434542323331262935333436463735262917
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue281.9337.4522.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber us-gaap:AwardType

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber

powi:LongTermPerformanceBasedUnits


Share
Period End2020-12-31
Value272000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber100.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-31
Value150000.061000.026000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber55.10.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1423000.0801000.0828000.0860000.0674000.0640000.0645000.0668000.0534000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber523.20.00.00.00.00.00.00.00.0

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumberOfShares us-gaap:AwardType

powi:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumberOfShares

powi:LongTermPerformancebasedUnits


Share
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value267000.0100000.0131000.058000.086000.093000.0161000.0214000.0214000.0187000.0186000.0183000.0113000.096000.096000.017000.076000.0102000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumberOfShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value100000.057000.0140000.050000.042000.034000.042000.038000.027000.047000.023000.079000.080000.046000.0100000.097000.057000.012000.014000.030000.05000.048000.037000.080000.087000.057000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumberOfShares0.00.052.450.032.158.648.840.916.822.010.742.243.025.188.5101.059.470.618.429.40.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1064000.01273000.01418000.0690000.0752000.0789000.0780000.0827000.0828000.0815000.0880000.0864000.0854000.0655000.0670000.0657000.0673000.0636000.0649000.0682000.0642000.0641000.0704000.0664000.0656000.0676000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumberOfShares0.00.0531.1690.0574.01360.3907.0889.2514.3380.8411.2462.0459.1357.9592.9684.4701.03741.2853.9668.60.00.00.00.00.00.0

powi:WeightedAverageInterestRateOnInvestments

powi:WeightedAverageInterestRateOnInvestments


Weighted
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.890.02170.02650.01570.01230.00840.00760.00740.01180.01660.0179
Percentage of WeightedAverageInterestRateOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value66616163635461556858626464465455534346464738435147424542423339413927323330
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedIncomeTaxesNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value141415151514149.3099.0068.7898.652171718182.8172.8052.8042.6392.6662.6662.6952.5110.7460.7460.7460.7432.7222.3972.6126.8858.9168.6658.4847.9377.567.36435343332302923
Percentage of AccruedIncomeTaxesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1600000.02500000.0700000.01200000.0-1936000.0-1584000.0-1240000.0-780000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value518000.0425000.0427000.0918000.0609000.0609000.0763000.0763000.0763000.0526000.0706000.0904000.0751000.0739000.0734000.0734000.0605000.0525000.0525000.0621000.0511000.0407000.0318000.0319000.0106000.0186000.0191000.0195000.0105000.0105000.0120000.0120000.095000.0227000.0247000.0292000.0257000.0216000.0215000.0202000.0312000.0297000.0275000.0302000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value450436402403403380382212189192191223227223240218227217192178136119105108133118117
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1.865131.634188.5941.7072.9833.1570.1820.1890.3042.3050.4670.1990.1951.9450.1330.1761.9165.8160.770.9790.104113.5543.4193.37181717171722177.140.1478.9082930334252
Percentage of AssetsFairValueDisclosure0.43.00.44.52.10.40.81.50.10.10.21.00.20.10.10.90.10.11.03.30.60.80.110.82.72.92.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4484234003853953793792091891921902212272232402162262171901721361181049612911511415313313711211275593148608382806367
Percentage of AssetsFairValueDisclosure99.697.099.695.597.999.699.298.599.999.999.899.099.899.999.999.199.999.999.096.799.499.299.989.297.397.197.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312019-12-312016-09-302016-06-302016-03-312015-12-31
Value93000.0310000.0890000.0589000.068000.0167000.0137000.08000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CorporateDebtSecurities, powi:ShortTermInvestmentsDueInLessThanThreeMonths


Available
Period End2021-06-302021-03-312020-12-31
Value46000.0107000.044000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax49.534.54.9

us-gaap:CorporateDebtSecurities, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-12-312019-12-31
Value44000.018000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax4.93.1

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value47000.0203000.0846000.0269000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax50.565.595.145.7

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:InvestmentType

powi:ShortTermInvestmentsDueInLessThanThreeMonths


Available
Period End2021-06-302021-03-312020-12-31
Value46000.0107000.044000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax49.534.54.9

powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-12-312019-12-312016-09-302016-06-302016-03-312015-12-31
Value44000.018000.0004000.07000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax4.93.10.00.02.987.5

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312019-12-312016-09-302016-06-302016-03-312015-12-31
Value47000.0203000.0846000.0269000.027000.050000.023000.01000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax50.565.595.145.739.729.916.812.5

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302019-12-31
Value114000.06000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CorporateDebtSecurities, powi:ShortTermInvestmentsDueInLessThanThreeMonths


Available
Period End2021-06-30
Value6000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax5.3

us-gaap:CorporateDebtSecurities, us-gaap:OtherLongTermInvestments


Available
Period End2021-06-302019-12-31
Value103000.06000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax90.4100.0

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Available
Period End2021-06-30
Value5000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax4.4

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:InvestmentType

powi:ShortTermInvestmentsDueInLessThanThreeMonths


Available
Period End2021-06-30
Value6000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax5.3

us-gaap:OtherLongTermInvestments


Available
Period End2021-06-302019-12-31
Value103000.06000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax90.4100.0

us-gaap:ShortTermInvestments


Available
Period End2021-06-30
Value5000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax4.4

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value217147189231
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CommercialPaper, powi:ShortTermInvestmentsDueInLessThanThreeMonths


Available
Period End2021-06-302021-03-312020-12-31
Value771.99943
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis35.41.423.0

us-gaap:CommercialPaper, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-12-31
Value43
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis23.0

us-gaap:CommercialPaper, us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-31
Value3419
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis15.813.5

us-gaap:CorporateDebtSecurities, powi:ShortTermInvestmentsDueInLessThanThreeMonths


Available
Period End2021-06-302021-03-312020-12-31
Value239419
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis11.064.110.5

us-gaap:CorporateDebtSecurities, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-12-312019-12-31
Value1915
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis10.56.9

us-gaap:CorporateDebtSecurities, us-gaap:OtherLongTermInvestments


Available
Period End2021-06-302019-12-31
Value61144
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis28.362.4

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value203112571
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis9.521.066.530.7

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

powi:ShortTermInvestmentsDueInLessThanThreeMonths


Available
Period End2021-06-302021-03-312020-12-31
Value1019663
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis46.465.433.5

powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-12-312019-12-31
Value6315
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis33.56.9

us-gaap:OtherLongTermInvestments


Available
Period End2021-06-302019-12-31
Value61144
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis28.362.4

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value545112571
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis25.234.666.530.7

us-gaap:AvailableForSaleSecurities

us-gaap:AvailableForSaleSecurities


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2111942322321641309294999813618921322120318813096908396129115114153133137112
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecurities us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CommercialPaper, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-09-30
Value462.996143.241
Percentage of AvailableForSaleSecurities21.81.56.42.0

us-gaap:CorporateDebtSecurities, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value182528150.946126.786
Percentage of AvailableForSaleSecurities8.612.912.16.90.535.913.67.2

us-gaap:CorporateDebtSecurities, us-gaap:OtherLongTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value9.7283112614491381927
Percentage of AvailableForSaleSecurities4.616.254.362.455.429.621.229.4

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value137134637169456059
Percentage of AvailableForSaleSecurities65.069.327.230.842.134.665.263.4

us-gaap:AvailableForSaleSecurities us-gaap:InvestmentType

powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value642842154.14146126.78610573738284231466.498221438
Percentage of AvailableForSaleSecurities30.414.418.56.92.535.913.67.210.158.027.920.313.519.215.624.65.022.916.046.1

us-gaap:OtherLongTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value9.72831126144913819272419303736688663273247115.00916288410992117103
Percentage of AvailableForSaleSecurities4.616.254.362.455.429.621.229.424.119.822.219.717.031.042.533.520.833.852.413.85.212.424.773.671.869.385.291.9

us-gaap:ShortTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value137134637169456059652168113148110857896412833647656303740166.04
Percentage of AvailableForSaleSecurities65.069.327.230.842.134.665.263.465.822.250.060.069.549.841.941.974.243.331.640.166.558.549.526.424.330.312.15.4

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1564000.02197000.0207000.0589000.0538000.0343000.0137000.02000.0000047000.029000.043000.038000.08000.078000.064000.0145000.0128000.0236000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CorporateDebtSecurities, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value52000.077000.01000.018000.0012000.0000
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.33.50.53.10.03.50.00.00.0

us-gaap:CorporateDebtSecurities, us-gaap:OtherLongTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value146000.0523000.0145000.0302000.0228000.0118000.084000.02000.00
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax9.323.870.051.342.434.461.3100.00.0

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1366000.01597000.061000.0269000.0310000.0213000.053000.000
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax87.372.729.545.757.662.138.70.00.0

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:InvestmentType

powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value52000.077000.01000.018000.0012000.00000001000.0002000.07000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.33.50.53.10.03.50.00.00.00.00.00.02.10.00.05.387.5

us-gaap:OtherLongTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value146000.0523000.0145000.0302000.0228000.0118000.084000.02000.0000018000.019000.013000.021000.005000.011000.051000.092000.0202000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax9.323.870.051.342.434.461.3100.00.00.00.00.038.365.530.255.30.06.417.235.271.985.6

us-gaap:ShortTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1366000.01597000.061000.0269000.0310000.0213000.053000.00000028000.010000.030000.015000.01000.072000.053000.093000.036000.033000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax87.372.729.545.757.662.138.70.00.00.00.00.059.634.569.839.512.592.382.864.128.114.0

us-gaap:AvailableForSaleSecuritiesAmortizedCost

us-gaap:AvailableForSaleSecuritiesAmortizedCost


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value21019223223116412992941009813718921322120318813096908396129114114152133137112111755931485983
Percentage of AvailableForSaleSecuritiesAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAmortizedCost us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CommercialPaper, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-09-30
Value462.996143.241
Percentage of AvailableForSaleSecuritiesAmortizedCost22.01.66.42.0

us-gaap:CorporateDebtSecurities, powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value182528150.946126.78838
Percentage of AvailableForSaleSecuritiesAmortizedCost8.613.012.16.90.536.013.67.220.3

us-gaap:CorporateDebtSecurities, us-gaap:OtherLongTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value9.582311261449038192737
Percentage of AvailableForSaleSecuritiesAmortizedCost4.616.254.362.455.429.521.129.419.7

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value136133637168446060104
Percentage of AvailableForSaleSecuritiesAmortizedCost64.869.327.230.742.034.565.263.555.1

us-gaap:AvailableForSaleSecuritiesAmortizedCost us-gaap:InvestmentType

powi:ShorttermInvestmentsDueinLessThanThreeMonths


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value642842154.14146126.78810573838284231466.498221438
Percentage of AvailableForSaleSecuritiesAmortizedCost30.614.618.56.92.536.013.67.210.057.827.720.313.519.215.624.65.023.016.046.0

us-gaap:OtherLongTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value9.58231126144903819272419303736688663273247115.00416288410992116102
Percentage of AvailableForSaleSecuritiesAmortizedCost4.616.254.362.455.429.521.129.424.120.022.319.717.031.042.633.620.933.752.413.95.212.424.773.671.869.385.291.9

us-gaap:ShortTermInvestments


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value136133637168446060652168113148110857896412833647656303740166.007
Percentage of AvailableForSaleSecuritiesAmortizedCost64.869.327.230.742.034.565.263.565.922.249.960.069.549.841.941.874.243.331.640.166.558.549.426.424.330.412.05.4

us-gaap:AvailableForSaleSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesCurrent


Available
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value211194232232941891888311410931
Percentage of AvailableForSaleSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance


Common
Period End2020-12-31
Value3400000.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2021-06-302020-03-312019-12-31
Value6913813
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-03-312019-12-31
Value6913813
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Debt
Period End2021-06-302020-03-312019-12-31
Value114000.0576000.06000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-03-312019-12-31
Value114000.0576000.06000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


Debt
Period End2021-06-302019-12-31
Value6913
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302019-12-31
Value6913
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


Debt
Period End2021-06-302019-12-31
Value114000.06000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302019-12-31
Value114000.06000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2072000.01892000.03339000.02660000.01514000.01739000.02836000.0
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1.9742.2731.4532.069.3418.04113129.3720.029
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.1580.1570.1570.163101111109.7440.0
Percentage of DeferredTaxAssetsCapitalLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2303000.0899000.03144000.07059000.02671000.03677000.03680000.01014000.0710000.00
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1023000.01000000.000174000.00
Percentage of DeferredTaxAssetsOther100.0100.00.00.0100.00.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value20181810262219126.2057.0025.375
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1494000.01644000.03050000.04064000.05760000.05945000.05429000.05964000.07804000.06808000.07609000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3707000.03099000.03695000.0979000.01880000.01573000.03928000.06893000.03391000.05424000.05419000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1974000.02273000.01423000.01965000.02322000.02968000.03320000.04226000.02758000.029000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear


Defined
Period End2020-12-31
Value400000.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6900000.06600000.03800000.03800000.03900000.03000000.08100000.07000000.06000000.0
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value9700000.08200000.06400000.06800000.07900000.06000000.05800000.05100000.04600000.0
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value16141010119.02.31.91.4
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16131412141013101211129.7061210129.772119.146109.011107.9869.3278.2039.5398.8159.0718.8348.7868.0468.98.1577.6816.7136.726.2586.655.2795.9116.296.2465.4557.3956.145
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value40373638242225302822252926212427242022
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

powi:LongTermPerformanceBasedUnits


Employee
Period End2020-12-31
Value5.81
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized14.3

us-gaap:EmployeeStock


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.2020.1420.1380.1280.120.1090.4340.110.4340.1440.570.1010.3960.10.4390.0960.3790.098
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.50.40.40.30.50.51.70.41.50.62.30.31.50.51.80.31.60.5

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value343534352121242622202224201920221915
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized85.295.194.190.689.196.494.087.878.490.388.882.478.190.185.383.178.978.2

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value474645444342444241403937363534333130312928263028262523212019171513119.8187.9766.1344.8434.6544.444.1973.711
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value16151515151518171716161615151414131312111110107.2544.664
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization34.134.334.635.035.335.740.841.341.742.042.342.542.843.042.442.743.043.539.739.940.140.333.131.227.1

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value30292928272625242423222120201918171615141312117.8285.247
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization64.664.464.264.063.763.558.558.257.857.657.557.357.156.955.755.354.954.649.248.748.247.638.533.730.5

us-gaap:LicensingAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value0.6510.590.5280.4670.4050.3440.2810.2260.1880.1490.1150.0830.0520.020.03.03.03.03.02.9252.6252.325
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.41.31.21.10.90.80.60.50.50.40.30.20.10.10.09.610.110.611.39.711.313.5

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value1052000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value2415000.02415000.03494000.03494000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2021-06-302021-03-312020-09-30
Value1589000.02462000.01076000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value832000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value832000.0832000.01279000.01279000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value1279000.01279000.02173000.02173000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value2173000.02173000.02415000.02415000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value16161616161620202020202020202020202020202020201717
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value37373737373737373333333333333333333333333333332626
Percentage of FiniteLivedIntangibleAssetsGross227.3227.3227.3227.3227.3227.3189.5189.5166.1166.1166.1166.1166.1166.1166.1166.1166.1166.1166.1166.1166.1166.1166.1151.4151.4

us-gaap:LicensingAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value1.9261.9261.9261.9261.9261.9261.9261.9261.2511.1761.01.01.01.00.03.03.03.03.03.03.03.0
Percentage of FiniteLivedIntangibleAssetsGross11.511.511.511.511.511.59.69.66.25.95.05.05.05.00.015.015.015.015.015.017.017.0

us-gaap:InterestReceivableCurrent

us-gaap:InterestReceivableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value600000.01200000.0800000.01395000.01065000.01712000.01279000.01286000.0808000.0457000.0595000.0457000.0690000.0798000.01195000.01177000.01200000.01075000.0743000.0371000.0401000.0404000.0519000.0371000.0530000.0387000.0664000.0764000.0694000.0678000.0519000.0527000.0312000.0330000.0149000.0325000.0495000.0570000.0625000.0788000.0690000.0737000.0
Percentage of InterestReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value302631282621252727222425282624242323222119182022262728282424201818192124252531312928
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2327323843413938354041322519151512121415121419182421211615118.2219.5121010109.7188.9149.323129.6361420
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value353739373333252226211516151616151615151314121214131614111112131213131212137.937.841101013
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:InvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.865131.634188.5941.7072.9833.1570.1820.1890.3042.3050.4670.1990.1951.9450.1330.1761.9165.8160.770.9790.104
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3412972532202031611464858999612712887511223425888552821
Percentage of InvestmentsFairValueDisclosure18284.92260.615535.81217.52369.09482.04926.41530.732380.252484.731699.35520.727582.243913.126216.4646.517785.023992.63028.81523.17246.82882.820378.8

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1071261461651912172321611309294948912717919419316513283809083
Percentage of InvestmentsFairValueDisclosure5779.1957.48975.4916.72229.012730.87790.75112.771579.749154.031069.44081.519114.663879.992282.69986.4145790.294127.36896.71441.210440.69235.980547.1

us-gaap:InvestmentsFairValueDisclosure us-gaap:InvestmentType

us-gaap:CommercialPaper


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3412972532202031611464858999612712887511223425888552821
Percentage of InvestmentsFairValueDisclosure18284.92260.615535.81217.52369.09482.04926.41530.732380.252484.731699.35520.727582.243913.126216.4646.517785.023992.63028.81523.17246.82882.820378.8

us-gaap:CorporateDebtSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1071261461651912172321611309294948912717919419316513283809083
Percentage of InvestmentsFairValueDisclosure5779.1957.48975.4916.72229.012730.87790.75112.771579.749154.031069.44081.519114.663879.992282.69986.4145790.294127.36896.71441.210440.69235.980547.1

us-gaap:MoneyMarketFunds


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.865131.634188.5941.7072.9833.1570.1820.1890.3042.3050.4670.1990.1951.9450.1330.1761.9165.8160.770.9790.104
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseDiscountRate


Lessee
Period End2020-12-312019-12-31
Value3.33.9
Percentage of LesseeOperatingLeaseDiscountRate100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value2964000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:MarketableSecurities

us-gaap:MarketableSecurities


Marketable
Period End2021-06-302021-03-312020-12-31
Value217148190
Percentage of MarketableSecurities100.0100.0100.0

us-gaap:MarketableSecurities us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:CommercialPaper, powi:ShortTermInvestmentsDueInLessThanThreeMonths


Marketable
Period End2021-06-302021-03-312020-12-31
Value771.99943
Percentage of MarketableSecurities35.41.422.9

us-gaap:CommercialPaper, us-gaap:ShortTermInvestments


Marketable
Period End2021-06-302021-03-31
Value3419
Percentage of MarketableSecurities15.813.5

us-gaap:CorporateDebtSecurities, powi:ShortTermInvestmentsDueInLessThanThreeMonths


Marketable
Period End2021-06-302021-03-312020-12-31
Value239419
Percentage of MarketableSecurities11.064.010.5

us-gaap:CorporateDebtSecurities, us-gaap:OtherLongTermInvestments


Marketable
Period End2021-06-30
Value61
Percentage of MarketableSecurities28.3

us-gaap:CorporateDebtSecurities, us-gaap:ShortTermInvestments


Marketable
Period End2021-06-302021-03-312020-12-31
Value2031126
Percentage of MarketableSecurities9.521.166.6

us-gaap:MarketableSecurities us-gaap:InvestmentType

powi:ShortTermInvestmentsDueInLessThanThreeMonths


Marketable
Period End2021-06-302021-03-312020-12-31
Value1019663
Percentage of MarketableSecurities46.565.433.4

us-gaap:OtherLongTermInvestments


Marketable
Period End2021-06-30
Value61
Percentage of MarketableSecurities28.3

us-gaap:ShortTermInvestments


Marketable
Period End2021-06-302021-03-312020-12-31
Value5551126
Percentage of MarketableSecurities25.334.666.6

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:OperatingLossCarryforwards

us-gaap:StateAndLocalJurisdiction, us-gaap:CaliforniaFranchiseTaxBoard


Operating
Period End2020-12-31
Value44
Percentage of OperatingLossCarryforwards100.0

us-gaap:PrepaidTaxes

us-gaap:PrepaidTaxes


Prepaid
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1.443.0146.235.6154.0285.3694.4813.0810.9960.8640.2480.460.5130.4640.9232.4310.6890.8550.3210.3091.3863.2063.2083.2080.8373.7464.0487.5219.3077.3487.10111120.6590.1480.1181.3511.2891.117
Percentage of PrepaidTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value377000.0377000.0301000.0287000.0426000.0368000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0

powi:LongTermPerformancebasedUnits


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value439000.0217000.0217000.0144000.0215000.0215000.0215000.0213000.0218000.0218000.0218000.0184000.0214000.0214000.0214000.0150000.0207000.0207000.0207000.0129000.0129000.0133000.0126000.061000.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber0.00.00.050.20.00.00.050.00.00.00.050.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value100000.057000.0150000.0149000.073000.042000.061000.092000.092000.058000.026000.089000.088000.056000.079000.088000.088000.055000.099000.0101000.0100000.064000.011000.087000.088000.050000.0083000.083000.044000.0100000.099000.099000.060000.0102000.0085000.0119000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber26.515.149.80.00.00.021.30.00.00.06.10.00.00.021.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value150000.061000.026000.079000.099000.011000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber49.821.36.121.50.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value1150000.01359000.01518000.01530000.0752000.0810000.0860000.0856000.0856000.0898000.0895000.0905000.0901000.0963000.0948000.0964000.0964000.0704000.0718000.0722000.0716000.0721000.0681000.0689000.0707000.0729000.0692000.0698000.0706000.0750000.0714000.0716000.0715000.0729000.0573000.0458000.0260000.013000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber305.0360.5504.30.00.00.0299.70.00.00.0210.10.00.00.0257.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

powi:LongTermPerformanceBasedUnits


Share
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value52.7552.7541.932.0327.7426.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0

powi:LongTermPerformancebasedUnits


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value38.1475.775.764.0563.763.763.755.4855.255.255.252.852.7552.7552.7547.6549.7849.7849.7853.7553.7553.8754.1255.510
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue0.00.00.0200.00.00.00.0200.00.00.00.0200.00.00.00.00.00.00.00.00.00.00.00.00.00.0

powi:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value84.4584.0546.2746.2192.12100.2370.1170.0870.0869.4662.8762.8762.8261.1263.9963.9963.9964.1146.2546.2446.1244.2752.3552.4152.4553.74053.9353.9358.5538.4838.538.536.4337.6034.9718.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue160.1159.3110.40.00.00.0218.90.00.00.0226.60.00.00.0242.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value46.2770.1162.8763.9946.2552.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue110.4218.9226.6242.40.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value45.2938.7235.5135.3769.5166.3962.6662.2461.9859.9158.1958.1757.8856.2755.5155.3755.1250.447.5447.3447.1546.3946.9846.946.9345.1643.8643.6743.3541.2138.9738.6338.4337.938.2136.0836.333.17
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue85.973.484.70.00.00.0195.60.00.00.0209.80.00.00.0210.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice

us-gaap:EmployeeStock


Share
Period End2020-12-312019-12-312018-12-31
Value15.7319.3917.33
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:EmployeeStock


Share
Period End2020-12-312016-12-312015-12-31
Value7000000.03500000.03000000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant powi:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

powi:A2016IncentiveAwardPlan


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2800000.01700000.01100000.01500000.01500000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType

us-gaap:EmployeeStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-03-312012-12-31
Value400000.0300000.0400000.0500000.0600000.0200000.0300000.0400900.0458330.0529310.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant14.317.636.433.340.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value3602000.03568000.05643000.04795000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value59000.059000.092000.0137000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value92000.0167000.0335000.0511000.0697000.01021000.01292000.01543200.02456600.02997300.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

powi:ExercisePriceRangeOne


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value28000.092000.0181000.0263000.0371000.090000.0124000.0216420.03500.051094.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions30.455.154.051.553.28.89.614.00.11.7

powi:ExercisePriceRangeTwo


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value64000.075000.0154000.0248000.0326000.0259000.0268000.0320470.0478920.0434150.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions69.644.946.048.546.825.420.720.819.514.5

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value92000.0167000.0335000.0511000.0697000.01030000.01344000.01691100.02817200.03557200.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

powi:ExercisePriceRangeOne


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value28000.092000.0181000.0263000.0371000.090000.0124000.0216420.03500.052011.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions30.455.154.051.553.28.79.212.80.11.5

powi:ExercisePriceRangeTwo


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value64000.075000.0154000.0248000.0326000.0259000.0268000.0320740.0479090.0434150.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions69.644.946.048.546.825.119.919.017.012.2

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

powi:LongTermPerformanceBasedUnits


Sharebased
Period End2020-12-31
Value24
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value3602000.03568000.05643000.04795000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value20.6338.8832.4129.0328.6227.4126.6926.1324.4823.13
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

powi:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value18.7736.826.0520.9621.3119.3919.0818.814.2714.59
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice191.094.780.472.274.570.771.571.958.363.1

powi:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value21.4441.4339.8537.5636.9421.1421.1421.2917.6617.18
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1103.9106.6123.0129.4129.177.179.281.572.174.3

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value20.6338.8832.4129.0328.6227.5827.2727.3426.024.01
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

powi:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value18.7736.826.0520.9621.3119.3919.0818.814.2714.64
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance191.094.780.472.274.570.370.068.854.961.0

powi:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value21.4441.4339.8537.5636.9421.1421.1421.2917.6617.18
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1103.9106.6123.0129.4129.176.677.577.967.971.6

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2021-06-302021-04-272021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-31
Value645041414141414343434351114144
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:StatementClassOfStock

us-gaap:CommonStock


Stock
Period End2020-12-312017-09-302016-12-31
Value414623
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.00.00.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-04-27
Value50
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName, us-gaap:TaxCreditCarryforward

us-gaap:TaxCreditCarryforwardAmount

us-gaap:StateAndLocalJurisdiction, us-gaap:CaliforniaFranchiseTaxBoard, us-gaap:Research


Tax
Period End2020-12-31
Value30
Percentage of TaxCreditCarryforwardAmount100.0

us-gaap:StateAndLocalJurisdiction, us-gaap:NewJerseyDivisionOfTaxation, us-gaap:Research


Tax
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value0.70.70.90.80.7
Percentage of TaxCreditCarryforwardAmount2.30.00.00.00.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward

us-gaap:ForeignCountry, us-gaap:Research


Tax
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3.43.12.62.42.11.92.32.01.81.8
Percentage of TaxCreditCarryforwardAmount11.30.00.00.00.00.00.00.00.00.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312012-09-302012-06-302011-12-31
Value100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0700000.0600000.0500000.0500000.04400000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312012-09-302012-06-302011-12-31
Value11101034
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

powi:AllowanceForShipAndDebitCredits


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value2633403938342728231924169.467
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:Revenues
us-gaap:StatementGeographical
(None,)
Revenuesus-gaap: Statement Geographical
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:MarketableSecuritiesCurrent
us-gaap:FinancialInstrument, us-gaap:InvestmentType
('us-gaap:CorporateDebtSecurities', None)
Marketable Securities Currentus-gaap: Financial Instrument, us-gaap: Investment Type
us-gaap:MarketableSecuritiesCurrent
us-gaap:InvestmentType
(None,)
Marketable Securities Currentus-gaap: Investment Type
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Accumulated Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components