EPAM


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:ConsolidationItems
us-gaap:IncomeStatementLocation
us-gaap:StatementBusinessSegments

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfRevenue

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
epam:ContractwithCustomerType
epam:ContractwithCustomerType, us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
us-gaap:ContractWithCustomerBasisOfPricing
us-gaap:ContractWithCustomerBasisOfPricing, us-gaap:StatementBusinessSegments
us-gaap:EquitySecuritiesByIndustry
us-gaap:EquitySecuritiesByIndustry, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments, us-gaap:TimingOfTransferOfGoodOrService
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:TimingOfTransferOfGoodOrService

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ConsolidationItems
us-gaap:AmortizationOfIntangibleAssets
us-gaap:StatementBusinessSegments

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations
us-gaap:BalanceSheetLocation
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:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BusinessAcquisition
epam:AwardClassification, epam:AwardMetric, us-gaap:AwardType, us-gaap:BusinessAcquisition
epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BusinessAcquisition

us-gaap:DeferredTaxAssetsNet
us-gaap:BalanceSheetLocation
us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromSaleOfShortTermInvestments

epam:IncreaseDecreaseinOperatingLeaseLiabilities

epam:IncreaseDecreaseinTradeReceivablesandContractAssets

epam:NetIncomeLossAvailableToCommonStockholdersBasicandDiluted

epam:OperatingLeaseLiabilityModification

epam:RightofUseAssetModifiedOperatingLease
us-gaap:AwardType
us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:AwardType, us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
us-gaap:AssetAcquisitionConsiderationTransferredContingentConsideration

us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
epam:AwardMetric, us-gaap:AwardType, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:AwardType, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
us-gaap:BusinessAcquisition
us-gaap:ConsolidationItems
us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed
us-gaap:StatementBusinessSegments

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:DepreciationAndAmortization
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
us-gaap:BusinessAcquisition, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:IncomeStatementLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:LeaseCost
us-gaap:StatementGeographical, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentAmount

us-gaap:NonoperatingGainsLosses
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:IncomeStatementLocation
us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:OtherDepreciationAndAmortization
us-gaap:ConsolidationItems
us-gaap:OtherExpenses
us-gaap:StatementBusinessSegments

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType, us-gaap:StatementEquityComponents
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:StatementEquityComponents
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:IncomeStatementLocation
us-gaap:ShortTermLeaseCost
us-gaap:AwardType
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation
us-gaap:VariableLeaseCost

dei:EntityCommonStockSharesOutstanding
us-gaap:BusinessAcquisition
epam:BusinessAcquisitionPurchasePriceIncludingFairValueofContingentConsideration
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
epam:BusinessCombinationNumberOfSpecialistsInAcquiredEntity
us-gaap:BusinessAcquisition
epam:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill
us-gaap:BusinessAcquisition
epam:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedpropertyPlantAndEquipmentAndOtherNoncurrentAssets

epam:DeferredTaxAssetUnrealizedCurrencyLossAndOtherComprehensiveLoss

epam:DeferredTaxAssetsOperatingLeaseLiability

epam:DeferredTaxLiabilitiesOperatingRightOfUseAssets

epam:DeferredTaxLiabilityDisregardedForeignSubsidiaries

epam:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour
us-gaap:IncomeTaxAuthority
epam:OperatingLossCarryforwardSubjecttoValuationAllowance
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
epam:OtherShortTermInvestmentsFairValueDisclosure
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
epam:RestrictedCashandCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

epam:TradeReceivablesAndContractAssetsAfterAllowanceForCreditLossCurrent

epam:TradeReceivablesAndContractAssetsAllowanceForCreditLossCurrent

epam:TradeReceivablesandContractAssetsAllowanceforCreditLossCurrent

epam:TradeReceivablesandContractAssetsafterAllowanceforCreditLossCurrent

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedLiabilitiesAndOtherLiabilities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent
us-gaap:BusinessAcquisition, us-gaap:MeasurementInputType
us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:BalanceSheetLocation
us-gaap:ContractWithCustomerAssetGross
us-gaap:BalanceSheetLocation
us-gaap:ContractWithCustomerLiability
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BalanceSheetLocation
us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRevenue

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
epam:GrowthDriver

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesUnrealizedCurrencyTransactionGains

us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:EmployeeRelatedLiabilitiesCurrent
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
epam:AwardClassification, epam:AwardMetric, us-gaap:AwardType
epam:AwardMetric, us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:BalanceSheetLocation
us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:StatementBusinessSegments
us-gaap:GoodwillImpairedAccumulatedImpairmentLoss

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
epam:LineofCreditCurrency, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
epam:LineofCreditCurrency, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:LinesOfCreditFairValueDisclosure
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:LoansReceivableFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
epam:OperatingLossCarryforwardsExpirationYear, us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority

us-gaap:OtherCommitment

us-gaap:OtherShortTermInvestments

us-gaap:RestrictedCash

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:BalanceSheetLocation
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue
us-gaap:BalanceSheetLocation
us-gaap:RestrictedCashAndCashEquivalentsNoncurrent
us-gaap:BalanceSheetLocation
us-gaap:RestrictedCashNoncurrent

us-gaap:RetainedEarningsUnappropriated
epam:ContractwithCustomerType
us-gaap:RevenueRemainingPerformanceObligation
epam:ContractwithCustomerType, epam:RevenueRemainingPerformanceObligationExpectedTimingofSatisfactionPeriod
epam:RevenueRemainingPerformanceObligationExpectedTimingofSatisfactionPeriod, us-gaap:ContractWithCustomerBasisOfPricing
us-gaap:ContractWithCustomerBasisOfPricing

us-gaap:SalesAndExciseTaxPayableCurrentAndNoncurrent
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortTermBorrowings
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockCommonShares
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockCommonValue

us-gaap:UndistributedEarningsOfForeignSubsidiaries
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Income Tax Expense Benefit
Balance Sheet
Long Term Debt Noncurrent
Assets
Property Plant And Equipment Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Accounts Payable Current
Noncurrent Liabilities
Long Term Debt Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Prepaid Deferred Expense And Other Assets
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:CommonStockValue █████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▅▁0.0570.0560.0560.0560.0560.0560.0550.0550.0550.0540.0540.0540.0540.0530.0530.0520.0510.0510.050.050.050.0490.0490.0490.0490.0480.0480.0480.0480.0470.0460.0460.0460.0450.0440.0430.0430.0420.017NANANA
us-gaap:CommonStockSharesIssued █▅▁56.63356.40156.128NA55.84568655.60883555.20744654.96883354.79902454.58424354.09992754.01157953.70500253.32673353.0034252.74800652.47667151.683551.11742251.03550950.88400750.56088550.17704449.85728449.63264249.11129748.74829848.40595748.22934747.89305547.56946347.32969946.91485846.1800145.39852344.67773844.04991944.01633518.914616NANANA
us-gaap:CommonStockSharesOutstanding █▅▁56.61356.38156.108NA55.82595155.589155.18771154.94909854.77928954.56450854.08019253.99184453.68526753.30699852.98368552.72827152.45693651.66376551.09768751.016550.86661250.5436350.16653749.84825949.62361748.69231348.30381147.69150247.51489246.94079746.61491646.37515245.95882945.22398144.44249443.39536442.76754542.26062317.158904NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁59.01158.778NA58.61610658.24623158.14257NA57.84435557.61428457.236427NA56.96286756.58700956.240539NA55.22954.84853.889NA53.86453.27152.883NA52.34451.91751.0NA49.82949.55949.207NA48.720.04797747.646NA46.5010.04638233.957NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁56.46356.17NA55.88387955.70070655.286747NA54.87766654.68195954.245133NA53.85186553.51712453.078529NA52.54551.89950.958NA51.13150.21149.714NA49.04348.58447.886NA47.31547.06846.797NA46.1620.04548644.812NA42.9520.04247530.197NANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.0830.016NA0.0026270.1467320.009118NA0.1436170.1684510.026203NA0.1573160.1551420.05323NA0.6060.6542.272NA2.3572.3962.218NA2.1432.1050.121NA2.6910.0024931.271NA1.8730.000951.373NA1.9531.3931.4NA0.6NANA
us-gaap:EarningsPerShareBasic ██▇▇▆▇▆▆▅▆▆▆▅▆▁▅▄▄▄▄▄▄▄▄▄▃▄▄▃▄▄▄▃▃▃▃▃▃2.031.941.531.61.21.551.351.221.071.121.111.220.941.21-0.580.810.720.460.490.510.490.480.560.470.40.310.390.40.310.370.40.360.310.280.350.330.310.3NANANANA
us-gaap:EarningsPerShareDiluted ██▇▇▆▇▆▆▅▆▆▆▅▆▁▅▄▄▄▄▄▄▄▄▄▃▄▄▃▄▄▄▃▃▃▃▃▃1.941.861.461.531.141.471.291.161.021.061.051.150.891.15-0.580.770.680.440.460.490.460.450.520.440.370.290.370.380.30.350.380.340.290.270.320.30.290.27NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
 Operating Margin us-gaap:StatementBusinessSegments epam:EuropeSegmentNANA252.249231.418227.305236.333224.339204.952197.361194.065NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments epam:NorthAmericaSegmentNANA434.284391.605384.829391.102380.243358.987331.025310.689307.842280.838257.103231.196217.323206.389194.025178.303NANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments epam:RussiaSegmentNANA36.9629.2220.24923.92428.19324.16423.20116.57919.77416.20817.3819.78621.13314.45513.67713.693NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
 TTM Greenblatt ROC _ _█▇▇▆▅▆▅▅▅▄▅▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁▁▁▁125.274107.251111.99396.39683.42687.50984.74580.56572.88264.65878.2764.5654.23748.69752.0549.24840.68230.96637.38333.90232.0830.33131.76527.77623.60622.8224.01521.83518.47621.85723.19220.2317.53515.53618.65616.73616.8313.78415.427NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:AllocatedShareBasedCompensationExpense ██▆█▆▂▅▄▄▇▃▄▄▄▃▂▃▄▂▃▃▂▃▂▂▁23.89824.55320.44423.47419.43911.88119.01215.47115.69721.85612.45215.3314.8116.59612.48711.21712.92715.77611.72413.82612.7310.96412.48311.96312.2539.134NANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▇▇▆▆▄▆▅▅▅▅▅▄▅▁▄▄▄▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃126.34893.808110.69989.13385.51247.67886.74154.72562.93466.79752.79863.42632.34567.796-27.44948.33741.9130.02719.55426.53222.04428.59821.93914.53222.90511.9847.11510.7817.70813.78718.36119.41213.07310.33715.6416.76910.85713.71111.53512.138.44510.993
us-gaap:CostOfRevenue █▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁583.728519.328465.792423.388419.54423.802410.069377.525355.915344.689319.031301.081289.175277.634254.121239.369220.132207.73198.226190.797180.782167.381158.291148.479134.256125.887121.465122.509110.102102.45497.62788.53983.54777.93777.28469.09963.80360.17559.38851.62748.81645.505
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▇▇▇▅▆▆▅▅▄▅▄▄▃▄▃▃▂▂▂▂▂▃▂▂▁▂▂▁▂▂▂▁▁▂▁▁▁▁▁▁▁123.161114.924102.02103.96476.07696.41984.79779.96970.5164.2578.76865.98757.11947.89952.07750.58743.04628.59532.0533.24130.92330.25234.73328.67324.4418.22424.58222.37818.40121.59223.31220.35617.43515.66719.0416.58715.89614.3415.34914.97510.60311.865
us-gaap:IncomeTaxExpenseBenefit ▃▃▃▃▃▃▃▃▃▂▃▂▃▁█▃▃▃▃▃▃▃▃▃▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂8.495.87816.48114.5329.45210.85410.27312.96711.7333.49618.8030.3696.864-16.51982.9517.9535.6874.9547.2877.0676.4936.3537.0955.85.2093.516.1593.3383.5874.2284.5533.9193.3172.9874.0412.5222.5752.2412.9651.0252.3262.123
us-gaap:NetIncomeLoss ██▇▇▆▇▆▆▅▅▅▆▅▆▁▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃114.671109.04685.53989.43266.62485.56574.52467.00258.77760.75459.96565.61850.25564.418-30.87442.63437.35923.64124.76326.17424.4323.89927.63822.87319.23114.71418.42319.0414.81417.36418.75916.43714.11812.6814.99914.06513.32112.09912.38413.958.2779.742
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic 114.671NANANA66.624NANANANANANANANANANANANANANANANANANANANANANANANANA18.75916.43714.11812.6814.91714.06513.3218.9649.3696.128-6.9943.262
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted 114.671NANANA66.624NANANANANANANANANANANANANANANANANANANANANANANANANA18.75916.43714.11812.6814.91514.06513.3219.229NANANANA
us-gaap:OperatingIncomeLoss █▇▇▆▅▆▆▅▅▄▅▄▄▃▄▃▃▂▃▂▂▂▂▂▂▂▂▂▁▂▂▂▁▁▁▁▁▁▁▁▁▁125.274107.251111.99396.39683.42687.50984.74580.56572.88264.65878.2764.5654.23748.69752.0549.24840.68230.96637.38333.90232.0830.33131.76527.77623.60622.8224.01521.83518.47621.85723.19220.2317.53515.53618.65616.73616.8313.78415.42716.89110.87811.812
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax NANA5.77-0.4986.446-9.3681.371-2.1631.5373.1NA-0.074-2.0760.069NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNANANA-0.4986.446-9.368NA-2.1631.5373.1NA-0.074-2.0760.069NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax NANA20.3760.19912.442-28.51910.846-10.1142.622.943NA-2.118-15.8343.309NANANANANANANANANANANANANANANANANANANANA0.6412.704-2.464NA-0.849-1.820.168NA
 us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNANANA0.19912.442-28.519NA-10.1142.622.943NA-2.118-15.8343.309NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁881.366780.775723.493652.243632.383651.359632.775588.103551.587521.333504.931468.186445.647424.148399.297377.523348.977324.651313.525298.293283.832264.482260.253236.049217.781200.045202.184192.764174.695160.384157.585140.15133.184124.198125.538110.078103.894.38395.12786.42380.17672.802
us-gaap:Revenues █▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁881.366780.775723.493652.243632.383651.359632.775588.103551.587521.333504.931468.186445.647424.148399.297377.523348.977324.651313.525298.293283.832264.482260.253236.049217.781200.045202.184192.764174.695160.384157.585140.15133.184124.198125.538110.078103.894.38395.12786.42380.17672.802
us-gaap:SellingGeneralAndAdministrativeExpense █▇▇▆▆▇▇▆▆▅▅▅▅▅▅▄▄▄▄▄▄▃▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁151.91136.389128.929116.53114.191125.108124.999118.886111.762101.78697.44792.4991.84387.77784.79381.1980.41978.45371.43267.49164.24161.49464.41455.43155.97646.93849.76142.87538.67132.35932.9827.89328.54127.08326.37721.15320.71117.62718.5115.82216.80513.793
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:Assets ██▇▇▇▆▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁2961.6152780.5412721.3322555.4252389.132311.8812244.2082040.1631931.4511831.4351611.8021503.9821392.1951343.4021250.2561173.0061079.383986.987925.811909.199843.888807.865778.536703.728636.493609.534594.026565.031537.964458.637432.877405.464374.517356.746350.814312.72287.994274.61235.613NANANA
us-gaap:Liabilities ███▇▇▇▇▆▆▅▄▄▃▃▃▂▂▂▂▂▂▂▂▂▁▂▂▂▂▁▁▁▁▁▁▁▁▁▁748.947716.602738.314695.191636.036664.399648.063548.046509.204493.21349.206308.047279.392288.054275.309187.861159.677151.885144.399159.087134.921150.243165.313130.8692.433121.703129.976119.331111.31762.35756.77653.85249.28453.28764.53447.56945.38848.60354.614NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▆▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁2961.6152780.5412721.3322555.4252389.132311.8812244.2082040.1631931.4511831.4351611.8021503.9821392.1951343.4021250.2561173.0061079.383986.987925.811909.199843.888807.865778.536703.728636.493609.534594.026565.031537.964458.637432.877405.464374.517356.746350.814312.72287.994274.61235.613NANANA
us-gaap:StockholdersEquity ██▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁2212.6682063.9391983.0181860.2341753.0941647.4821596.1451492.1171422.2471338.2251262.5961195.9351112.8031055.348974.947985.145919.706835.102781.412750.112708.967657.622613.223572.868544.06487.831464.05445.7426.647396.28376.101351.612325.233303.459286.28265.151242.606226.00795.059NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:AssetsCurrent ███▇▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁2038.0182004.7181912.7821752.2221598.3361507.7371474.2111364.6921285.8231244.7471199.0681129.0021024.519970.18960.033883.742788.481708.01646.551635.723573.522552.238528.935500.06456.966433.815415.087401.94374.839352.264330.968305.196273.469255.397250.955237.672224.772223.105183.563NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ███▇▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁1283.2331372.8291322.1431161.065993.724916.253936.552853.241777.365762.529770.56685.108584.081535.857582.585512.493443.501398.419362.025330.627280.724244.877199.449214.443175.717192.363220.534191.246175.075174.066169.207122.979107.475102.806118.112105.885104.93112.73688.79667.39963.33348.631
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇██▇▅▅▅▄▄▄▄▃▃▂▃▂▂▁▁1285.0491374.2941323.5331162.223994.881917.403937.688854.389778.549763.678771.711686.301585.276537.077582.855512.771446.416398.933364.664NANANA199.687NANANANANANANANANANANANANANANANANANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent █▅▃▄▄▅▅▃▃▄▃▃▄▄▃▄▃▃▂▄▂▂▂▂▂▂▁▂▂▂▂▃▂▂▂▂▁▁▁72.54946.84829.5737.84337.67948.78639.94329.3928.80830.86426.17129.64631.91933.15423.19631.55723.27526.70215.6932.20515.27319.26114.34420.20519.63514.399.28918.18816.215.11114.35522.23417.16715.73812.26413.2710.32310.1576.436NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA297.314NANANA259.566NANANA181.005NANANA148.125NANANA120.217NANANA100.275NANANA89.666NANANA83.479NANANA74.989NANANA51.419NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:AssetsLeasedToOthersNANA6.7NANANA10.654NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingNANA52.007NANANA51.3NANANA34.458NANANA34.058NANANA34.012NANANA34.002NANANA17.123NANANA16.534NANANA16.534NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNANA117.333NANANA96.286NANANA74.884NANANA62.132NANANA49.599NANANA36.612NANANA32.374NANANA29.884NANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA31.859NANANA28.193NANANA21.544NANANA18.071NANANA13.178NANANA8.99NANANA7.348NANANA5.688NANANA4.351NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA1.339NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandImprovementsNANA2.137NANANA2.137NANANA1.474NANANA1.474NANANA1.467NANANA1.464NANANA0.0NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA39.675NANANA30.634NANANA25.036NANANA13.186NANANA7.944NANANA6.801NANANA6.287NANANA5.903NANANA5.527NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:OfficeEquipmentNANA20.971NANANA18.901NANANA13.203NANANA10.825NANANA9.416NANANA8.307NANANA5.043NANANA4.679NANANA4.325NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA31.993NANANA32.115NANANA10.406NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA127.781NANANA94.307NANANA78.359NANANA61.706NANANA46.601NANANA39.776NANANA34.532NANANA30.164NANANA21.854NANANA15.937NANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType us-gaap:AssetsLeasedToOthersNANA0.2NANANA0.101NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AmortizationOfIntangibleAssets us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems█▁3.9613.14NANA2.9943.135NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AmortizationOfIntangibleAssets us-gaap:StatementBusinessSegments us-gaap:MaterialReconcilingItemsNANANA-3.086-2.994-3.135-2.621-2.554-2.601-2.138NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ███████▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁173.545164.749169.533163.689167.359164.671165.259115.321111.175105.805102.64699.46598.4596.82586.41977.93577.11575.96273.61670.28466.75164.29460.49960.55258.44655.11555.13454.66554.52353.07253.31554.06255.453.26553.13552.94840.21937.235.482NANANA
us-gaap:Goodwill █▅▅▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁335.477210.881211.956207.764199.039198.534195.043186.299179.214167.707166.832144.987144.667150.337119.531119.452116.239110.291109.289111.722110.668118.615115.9384.22962.20756.34657.41739.05542.54726.39222.26822.41122.30422.57522.69811.30512.4368.4598.169NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill █▆▇▇▇▇▇▇▇▆▇▇▇▇▆▆▆▆▆▇▇▆▆▅▅▆▆▆▆▂▂▂▃▃▃▂▂▁▁65.1348.54751.97554.32155.88758.67656.25856.53753.82150.08757.06552.66955.20159.544.51146.23849.99849.66851.2653.86755.96245.76546.8637.17637.8245.09147.68946.2849.38112.95713.73414.53915.11516.0316.8346.0146.2271.1111.251NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA51.975NANANA56.258NANANA57.065NANANA44.511NANANA51.26NANANA46.86NANANA47.689NANANA13.734NANANA16.834NANANA1.251NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass epam:AssembledWorkforceNANA0.096NANANA0.158NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:ComputerSoftwareIntangibleAssetNANA4.676NANANA3.986NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelationshipsNANA44.754NANANA48.963NANANA48.462NANANA44.446NANANA50.276NANANA44.587NANANA43.818NANANA8.547NANANA10.084NANANA0.942NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:RoyaltyAgreementsNANA1.227NANANA1.465NANANA1.702NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TradeNamesNANA1.222NANANA1.686NANANA1.811NANANA0.065NANANA0.961NANANA2.081NANANA3.478NANANA4.589NANANA5.933NANANA0.309NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA89.139NANANA70.485NANANA67.033NANANA16.171NANANA28.027NANANA27.392NANANA8.424NANANA9.323NANANA9.504NANANA4.24NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇▇█████▇▇▆▁196.572207.35228.672232.78234.76243.671238.991207.145210.447173.0910.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇▇▇██▆▅▃▃▃▃▂▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁56.75854.10853.9654.57855.64759.54839.43335.09821.23720.65316.20814.49812.88416.50712.69112.59911.54610.62510.5997.4867.275.0354.1133.3413.5613.7943.3683.7472.8624.7973.4090.9690.9380.7310.6320.5780.5530.542.691NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:AccountsPayableCurrent ▆▄▆▆▄▃▄▄▃▂▄▅▄▅▃▃▂▁▁▂▁▂▁▇▇█▂▃▇▇▁▅▅▆▃▁▂▂▁9.7127.16810.18910.7857.5965.2327.8316.8966.0434.3977.4448.4226.7278.4745.5745.5924.2533.2563.2134.6613.0053.5622.57612.06111.99313.3664.6416.02712.511.8122.8358.1958.3769.7286.0952.5584.3454.062.714NANANA
us-gaap:AccruedIncomeTaxesCurrent ▆▂█▄▃▁▂16.9399.09720.60313.77910.9726.9879.064NANANA27.538NANANA9.488NANANA4.0NANANA15.057NANANA7.982NANANA3.717NANANA3.315NANANA1.918NANANA
us-gaap:LiabilitiesCurrent █▇▇▆▆▆▆▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁522.948463.761465.95414.831365.58389.321386.948311.47272.614282.566262.829220.973181.411179.908180.967158.984130.22122.891116.219122.4392.014107.544127.911112.36890.001117.597125.41384.06877.64360.45554.66452.11547.3448.36759.35246.07243.90147.10953.127NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▇▇█████▇▇▆▁52.82156.17960.75961.10760.93760.10857.54251.42448.42939.8560.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA26.66NANANA39.271NANANA25.502NANANA18.28NANANA2.558NANANA4.347NANANA3.681NANANA2.287NANANA1.608NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:LongTermDebtNoncurrent ▁████0.02925.03225.03825.03925.044NA25.074NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations NANA25.038NANA25.04625.07425.025.025.025.03125.02825.0225.02525.03325.04125.03325.0425.04833.06240.08840.11635.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:BalanceSheetLocation us-gaap:OtherNoncurrentLiabilitiesNANA3.3NANANA4.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent █▆▆▇▅▄▃▄▃▄▅▃▄▅▃▂▂▂▂▁32.97321.87923.27428.12720.31614.8739.31513.8589.80314.0317.66111.80416.42121.099.4353.8364.4243.9543.1320.268NANA0.0NANANANA31.67231.892NA0.0NANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇▇█████▇▇▆▁151.985162.005180.604183.935181.705189.312180.848153.98158.137127.9350.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▁▁▅█36.4436.31850.14763.652NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▁▁▃█31.11531.5137.26848.523NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▁▆█22.47122.1132.435.343NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA22.85930.36NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA52.53171.115NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:StockholdersEquity ██▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁2212.6682063.9391983.0181860.2341753.0941647.4821596.1451492.1171422.2471338.2251262.5961195.9351112.8031055.348974.947985.145919.706835.102781.412750.112708.967657.622613.223572.868544.06487.831464.05445.7426.647396.28376.101351.612325.233303.459286.28265.151242.606226.00795.059NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest NANANA1860.2341753.0941647.4821596.1451492.1171422.2471338.2251262.5961195.9351112.8031055.348974.947NANANA781.412NANANA613.223NANANA464.05NANANA376.101NANANA286.28NANANA95.059NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossNANA-0.986NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNANA3.642NANANA1.292NANANA-2.553NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNANA-25.512-50.672-50.373-69.261-31.374-43.591-31.314-35.471-41.514-34.347-32.155-14.245-17.623NANANA-37.688NANANA-35.15NANANA-22.054NANANA-1.832NANANA-1.021NANANA-3.514NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustmentNANA-28.168NANANA-32.666NANANA-38.961NANANA-17.623NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANANA648.686630.679610.579607.051589.764574.619553.532544.7530.837511.131486.022473.874NANANA374.907NANANA303.363NANANA229.501NANANA195.585NANANA166.962NANANA40.02NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:CommonStockNANANA0.0560.0560.0560.0550.0550.0550.0540.0540.0540.0540.0530.053NANANA0.05NANANA0.049NANANA0.048NANANA0.046NANANA0.044NANANA0.017NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:RetainedEarningsNANANA1262.3411172.9091106.2851020.59946.066879.064820.287759.533699.568633.95583.695518.82NANANA444.32NANANA345.054NANANA260.598NANANA190.986NANANA128.992NANANA74.508NANANA
us-gaap:CommonStockValue █████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▅▁0.0570.0560.0560.0560.0560.0560.0550.0550.0550.0540.0540.0540.0540.0530.0530.0520.0510.0510.050.050.050.0490.0490.0490.0490.0480.0480.0480.0480.0470.0460.0460.0460.0450.0440.0430.0430.0420.017NANANA
us-gaap:AdditionalPaidInCapital █████▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▁670.264647.884660.771648.686630.679610.579607.051589.764574.619553.532544.7530.837511.131486.022473.874456.624439.523396.829374.907363.154348.527319.225303.363284.938270.658241.066229.501220.722212.45201.955195.585189.457182.503173.803166.962164.443158.667157.23240.02NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▄▅▃▃▁▅▄▅▄▄▅▅▇▆▆▅▅▄▅▅▅▄▅▆▆▆▇███████████-29.073-40.75-25.512-50.672-50.373-69.261-31.374-43.591-31.314-35.471-41.514-34.347-32.155-14.245-17.623-21.048-26.751-31.302-37.688-32.479-32.837-30.451-35.15-29.451-21.11-24.784-22.054-10.774-2.515-5.409-1.832-1.434-4.409-3.364-1.021-1.662-4.366-1.902-3.514NANANA
us-gaap:TreasuryStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▃▄▄▅▅▅▅▅▅▆▆██0.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.170.1560.1540.0930.080.083.8114.0436.56.58.6638.6848.6848.6978.6978.69711.66611.66615.97215.972NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█13.79214.624NA12.56611.15312.21NA9.90910.86710.425NA10.49410.68611.485NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▂▇█▇▄▆▆▃▁▆▅▄▂▄▄▂▃▃▄▃▂▂▄▂▂▃▂▂▂▃▂▂▁▃▂▂▁▂▂▂▁68.83612.827159.432175.564146.15663.255124.587119.03944.029-0.202123.13102.29959.4597.3371.38464.88427.86831.22853.65161.81238.49310.86111.83955.522.1636.87148.70523.14216.83916.18846.4315.5757.958-11.73835.75911.1116.374-4.74526.36617.37610.4160.362
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▆▆▄▄▄▅▅▆▅▆▆▄▆▆▆▆▆▆▆▇▄▅▆▅▆▆▅▆▆▆▆▆▅▆▆▆▆▆▆▆-145.85148.461-17.907-15.676-74.086-59.485-57.787-40.137-28.885-18.56-34.29-9.519-8.15-60.164-12.159-6.44-11.93-5.644-12.432-8.708-11.60223.42-52.319-33.696-5.597-33.882-14.521-5.197-21.535-11.676-2.945-4.889-7.512-6.474-28.264-14.825-12.819-3.719-3.846-6.403-0.758-6.401
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▄▄▅▃▃▅▄▃▅▄▅▅▄▅▅▇▅▃▃▅▅█▆▂▄▄▄▄▄▄▄▄▄▄▄▄█▄▃-20.3251.3290.3185.565-4.602-2.0467.2164.939-1.97310.1812.159.267.5754.0169.536.08426.257.882-5.931-3.3459.9549.78928.31319.388-15.4271.490.9881.7854.443.1342.7944.1044.5644.0394.183.57-0.21231.309-0.455-5.948NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▅██▆▃▆▆▄▃▆▆▅▂▅▅▅▄-89.24550.761161.31167.34277.478-20.28583.29975.8414.871-8.03385.41101.02548.199-45.77870.08466.35547.48334.269NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▅▇▃▄▅▇▅▅▅▆▃▄▅▁█▆▅▆▅▆▆▆▃▆▆▆▅▆▆▆▆▆▆▆▅▆▆▆▆▆▆▆-5.5166.692-15.448-7.517-5.3178.288-4.659-1.912-2.0390.846-11.628-8.791-4.291-23.2911.1752.152-3.3612.595-3.293-0.080.551-0.482-15.8630.1630.2770.095-3.5450.080.0980.097-0.6940.2050.2620.268-3.559-0.4130.062-0.0230.4260.00.365-0.294
us-gaap:IncreaseDecreaseInAccountsPayable ▄▄▅▅▆▄▅▅▅▄▄▅▄▆▄▅▅▅▄▅▅▅▁▅▄█▄▃▄█▃▅▅▆▆▄▄▅▅▄▅▅-0.782-3.1660.5921.2033.04-2.4070.1590.2250.419-2.488-2.3460.566-1.5122.52-0.6641.3670.4410.077-1.271.55-0.210.671-10.9090.385-1.9269.669-2.339-6.163-2.6648.563-5.375-0.155-0.3793.0093.505-2.447-1.0451.3940.691-1.4481.611-0.6
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▂▇█▇▄▆▆▃▁▆▅▄▂▄▄▂▃▃▄▃▂▂▄▂▂▃▂▂▂▃▂▂▁▃▂▂▁▂▂▂▁68.83612.827159.432175.564146.15663.255124.587119.03944.029-0.202123.13102.29959.4597.3371.38464.88427.86831.22853.65161.81238.49310.86111.83955.522.1636.87148.70523.14216.83916.18846.4315.5757.958-11.73835.75911.1116.374-4.74526.36617.37610.4160.362
us-gaap:NetIncomeLoss ██▇▇▆▇▆▆▅▅▅▆▅▆▁▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃114.671109.04685.53989.43266.62485.56574.52467.00258.77760.75459.96565.61850.25564.418-30.87442.63437.35923.64124.76326.17424.4323.89927.63822.87319.23114.71418.42319.0414.81417.36418.75916.43714.11812.6814.99914.06513.32112.09912.38413.958.2779.742
us-gaap:ShareBasedCompensation ██▇█▇▄▆▅▅▇▄▅▅▆▄▄▅▅▄▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁23.89824.55320.44423.47419.43911.88119.01215.47115.69721.85612.45215.3314.8116.59612.48711.21712.92715.77611.72413.82612.7310.96412.48311.96312.2539.1348.0967.4255.8913.2083.3593.3653.852.5761.4572.0461.7731.550.7120.7850.6550.714
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▆▆▄▄▄▅▅▆▅▆▆▄▆▆▆▆▆▆▆▇▄▅▆▅▆▆▅▆▆▆▆▆▅▆▆▆▆▆▆▆-145.85148.461-17.907-15.676-74.086-59.485-57.787-40.137-28.885-18.56-34.29-9.519-8.15-60.164-12.159-6.44-11.93-5.644-12.432-8.708-11.60223.42-52.319-33.696-5.597-33.882-14.521-5.197-21.535-11.676-2.945-4.889-7.512-6.474-28.264-14.825-12.819-3.719-3.846-6.403-0.758-6.401
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▃▄▂▃▅█▅▃▃▂▂▂▃▃▂▂▂▂▂▂▂▁▂▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▂▁▂22.58711.18618.4829.78711.44929.07547.01327.2711.60113.42410.1098.1628.59210.71112.9255.445.7165.7259.3366.3927.4046.1853.7394.1913.4691.8733.7523.7192.2882.1572.4321.936.1112.8873.0593.9073.0863.3242.6965.8320.7026.318
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▄▄▅▃▃▅▄▃▅▄▅▅▄▅▅▇▅▃▃▅▅█▆▂▄▄▄▄▄▄▄▄▄▄▄▄█▄▃-20.3251.3290.3185.565-4.602-2.0467.2164.939-1.97310.1812.159.267.5754.0169.536.08426.257.882-5.931-3.3459.9549.78928.31319.388-15.4271.490.9881.7854.443.1342.7944.1044.5644.0394.183.57-0.21231.309-0.455-5.948NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value57000.056000.056000.056000.056000.056000.055000.055000.055000.054000.054000.054000.054000.053000.053000.052000.051000.051000.050000.050000.050000.049000.049000.049000.049000.048000.048000.048000.048000.047000.046000.046000.046000.045000.044000.043000.043000.042000.017000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312012-02-072011-12-31
Value565656555555545454545453535352525151515050504949494848484747474646454444442.918
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value5656565555555454545453535352525251515150505049494848474746464645454443424217
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value565656555555555454545453535352515048
Percentage of CommonStockSharesOutstanding100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value5958585858575757565656555453535352525151494949480.04797747460.04638233
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value5656555555545454535353525150515049494847474746460.04548644420.04247530
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value83000.016000.02627.0146730.09118.0143620.0168450.026203.0157320.0155140.053230.0606000.0654000.02272000.02357000.02396000.02218000.02143000.02105000.0121000.02691000.02493.01271000.01873000.0950.01373000.01953000.01393000.01400000.0600000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2.031.941.531.61.21.551.351.221.071.121.111.220.941.21-0.580.810.720.460.490.510.490.480.560.470.40.310.390.40.310.370.40.360.310.280.350.330.310.3
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.941.861.461.531.141.471.291.161.021.061.051.150.891.15-0.580.770.680.440.460.490.460.450.520.440.370.290.370.380.30.350.380.340.290.270.320.30.290.27
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value232420231911191515211215141612111215111312101211129.134
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.73.12.83.63.11.83.02.62.84.22.53.33.33.93.13.03.74.93.74.64.54.14.85.15.64.6

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Allocated
Period End2021-06-302021-03-312020-06-302020-03-31
Value23241911
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.73.13.11.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value11118.989108.9583.9849.7397.587.48124.417.4927.0548.2896.4164.9134.1895.354.0194.5184.4383.6443.6223.7652.484
Percentage of AllocatedShareBasedCompensationExpense47.145.344.046.246.133.551.249.047.758.535.448.947.649.951.443.832.433.934.332.734.933.230.330.727.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.41.21.71.40.61.51.31.42.50.91.61.62.01.61.31.21.61.31.51.61.41.51.71.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value12131112107.8979.2737.8918.2179.0758.0427.8387.7568.3076.0716.3048.738
Percentage of AllocatedShareBasedCompensationExpense52.954.756.053.853.966.548.851.052.341.564.651.152.450.148.656.267.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.71.61.91.71.21.51.31.51.71.61.71.72.01.51.72.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:StatementBusinessSegments

us-gaap:MaterialReconcilingItems


Allocated
Period End2020-09-302019-09-30
Value-23.474-15.471
Percentage of AllocatedShareBasedCompensationExpense-100.0-100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.6-2.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value126931108985478654626652633267-27.44948413019262228211422117.115101713181913101516101311128.44510
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.312.015.313.713.57.313.79.311.412.810.513.57.316.0-6.912.812.09.26.28.97.810.88.46.210.56.03.55.610.18.611.713.99.88.312.515.210.514.512.114.010.515.1

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value583519465423419423410377355344319301289277254239220207198190180167158148134125121122110102978883777769636059514845
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.266.564.464.966.365.164.864.264.566.163.264.364.965.563.663.463.164.063.264.063.763.360.862.961.662.960.163.663.063.962.063.262.762.861.662.861.563.862.459.760.962.5

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1231141021037696847970647865574752504328323330303428241824221821232017151916151415141011
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.014.714.115.912.014.813.413.612.812.315.614.112.811.313.013.412.38.810.211.110.911.413.312.111.29.112.211.610.513.514.814.513.112.615.215.115.315.216.117.313.216.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value8.495.87816149.452101012113.496180.3696.864-16.519827.9535.6874.9547.2877.0676.4936.3537.0955.85.2093.516.1593.3383.5874.2284.5533.9193.3172.9874.0412.5222.5752.2412.9651.0252.3262.123
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.82.32.21.51.71.62.22.10.73.70.11.5-3.920.82.11.61.52.32.42.32.42.72.52.41.83.01.72.12.62.92.82.52.43.22.32.52.43.11.22.92.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value114109858966857467586059655064-30.874423723242624232722191418191417181614121414131212138.2779.742
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.014.011.813.710.513.111.811.410.711.711.914.011.315.2-7.711.310.77.37.98.88.69.010.69.78.87.49.19.98.510.811.911.710.610.211.912.812.812.813.016.110.313.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value114109896685675860655064
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.014.013.710.513.111.410.711.714.011.315.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302020-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value11466181614121414138.9649.3696.128-6.9943.262
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.010.511.911.710.610.211.912.812.89.59.87.1-8.74.5

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302020-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value11466181614121414139.229
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.010.511.911.710.610.211.912.812.89.8

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value125107111968387848072647864544852494030373332303127232224211821232017151816161315161011
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.213.715.514.813.213.413.413.713.212.415.513.812.211.513.013.011.79.511.911.411.311.512.211.810.811.411.911.310.613.614.714.413.212.514.915.216.214.616.219.513.616.2

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value167146111111
Percentage of OperatingIncomeLoss133.9136.3133.7127.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.018.717.617.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, epam:EuropeSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value50513431
Percentage of OperatingIncomeLoss40.347.641.336.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.76.55.44.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments epam:EuropeSegment0.00.00.00.0

us-gaap:OperatingSegments, epam:NorthAmericaSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value111948278
Percentage of OperatingIncomeLoss88.887.799.290.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.612.113.112.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments epam:NorthAmericaSegment0.00.00.00.0

us-gaap:OperatingSegments, epam:RussiaSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.0290.979-5.6450.519
Percentage of OperatingIncomeLoss4.80.9-6.80.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.1-0.90.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments epam:RussiaSegment0.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

epam:EuropeSegment


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value43433431272727313128262825252019
Percentage of OperatingIncomeLoss39.044.641.336.332.934.238.049.240.344.749.059.349.252.850.864.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.06.65.44.94.44.75.06.16.26.26.06.86.46.95.96.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EuropeSegment0.018.615.113.40.013.414.016.40.00.00.00.00.00.00.00.0

epam:NorthAmericaSegment


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value96878278807969646560514343454337
Percentage of OperatingIncomeLoss85.990.599.290.295.298.495.199.784.294.194.490.382.892.4107.2119.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.313.413.112.112.713.512.612.413.113.011.510.410.812.112.511.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:NorthAmericaSegment0.022.321.520.20.022.120.920.70.021.619.919.00.022.122.520.8

epam:RussiaSegment


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.9792.958-5.6450.5195.5825.5245.6520.5893.1660.5432.3215.3476.7771.6851.8953.549
Percentage of OperatingIncomeLoss7.13.1-6.80.66.66.97.80.94.00.84.311.013.03.44.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.5-0.90.10.90.91.00.10.60.10.51.31.70.40.51.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:RussiaSegment0.010.1-27.92.20.022.924.43.60.03.413.427.00.011.713.925.9

us-gaap:OperatingSegments


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value13311111111411210296100908078757366605955544855474438453732293227252324222218192016
Percentage of OperatingIncomeLoss138.2133.7127.1134.6139.5140.9149.8128.5139.7147.7160.6145.1148.6162.7195.2158.9163.6170.3160.4174.1171.8188.2169.5188.1169.6176.1136.7140.4136.4147.5149.8130.4132.4131.1137.2127.4122.1153.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.417.617.118.019.118.618.619.919.318.018.418.919.419.018.618.918.619.218.421.220.220.419.322.319.218.618.620.719.719.418.719.420.121.320.020.723.920.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5770000.0-498000.06446000.0-9368000.01371000.0-2163000.01537000.03100000.0-74000.0-2076000.069000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-0.11.0-1.40.2-0.40.30.6-0.0-0.50.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-498000.06446000.0-9368000.0-2163000.01537000.03100000.0-74000.0-2076000.069000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.11.0-1.4-0.40.30.6-0.0-0.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value200.19912-28.51910-10.1142.622.943-2.118-15.8343.3090.6412.704-2.464-0.849-1.820.168
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.80.02.0-4.41.7-1.70.50.6-0.5-3.60.80.52.5-2.4-0.9-2.10.2

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.19912-28.519-10.1142.622.943-2.118-15.8343.309
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.02.0-4.4-1.70.50.6-0.5-3.60.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
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
Value8817807236526326516325885515215044684454243993773483243132982832642602362172002021921741601571401331241251101039495868072
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax epam:ContractwithCustomerType

epam:Licensing


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2.0122.5123.391.0410.9621.240.9720.9661.291
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.50.20.20.20.20.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.50.20.20.20.20.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:OtherRevenues


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.6772.6440.8590.7430.8430.610.4260.3610.362
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.10.10.20.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.10.10.20.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FixedPriceContract


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value907285786955454438
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.911.413.213.412.710.69.69.99.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.911.413.213.412.710.69.69.99.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value559554561507479464421400383
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.787.786.286.387.089.090.189.890.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.787.786.286.387.089.090.189.890.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax epam:ContractwithCustomerType, us-gaap:StatementBusinessSegments

epam:Licensing, epam:EuropeSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.2420.5450.1620.1490.1420.3980.1730.3270.619
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.00.10.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.00.10.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:Licensing, epam:NorthAmericaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.7171.9581.770.8830.6240.8360.7980.6380.662
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.30.20.10.20.20.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.30.20.10.20.20.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:Licensing, epam:RussiaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0530.0091.4580.0090.1960.0060.0010.0010.01
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.20.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.20.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:OtherRevenues, epam:EuropeSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.42.3340.5960.4490.4340.208
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.10.10.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.10.10.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues epam:EuropeSegment100.0100.0100.0100.0100.0100.0

epam:OtherRevenues, epam:NorthAmericaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.2680.3010.2140.2580.3940.3880.250.2350.226
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:OtherRevenues, epam:RussiaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0090.0090.0490.0360.0150.0140.0070.0070.008
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FixedPriceContract, epam:EuropeSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value343245332925151412
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.25.16.95.65.34.83.23.23.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.25.16.95.65.34.83.23.23.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FixedPriceContract, epam:NorthAmericaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value413331352924232215
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.35.44.96.05.44.75.05.03.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.35.44.96.05.44.75.05.03.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FixedPriceContract, epam:RussiaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value156.2598.82110105.2876.7597.6079.672
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.31.01.41.82.01.01.41.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.31.01.41.82.01.01.41.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract, epam:EuropeSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value196192190171167168155156159
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.230.429.229.130.432.333.335.137.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.230.429.229.130.432.333.335.137.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract, epam:NorthAmericaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value348348357322300284256233214
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax53.455.154.854.854.454.654.852.550.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax53.455.154.854.854.454.654.852.550.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract, epam:RussiaSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1313131312119.4419.76510
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.22.12.32.22.22.02.22.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.22.12.32.22.22.02.22.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:BusinessAcquisition

epam:A2020Acquisitions


Revenue
Period End2020-12-312020-09-302020-06-302020-03-31
Value2.5221.2451.191.043
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:A2020Acquisitions100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerBasisOfPricing

epam:Licensing


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.3673.672.5123.39
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing100.0100.0100.0100.0

epam:OtherRevenues


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.7360.8182.6440.859
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues100.0100.0100.0100.0

us-gaap:FixedPriceContract


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value1231117285
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.014.311.413.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.014.311.413.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value752665554561
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.485.287.786.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.485.287.786.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerBasisOfPricing, us-gaap:StatementBusinessSegments

epam:Licensing, epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.260.0540.5450.162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing epam:EuropeSegment100.0100.0100.0100.0

epam:Licensing, epam:NorthAmericaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.0763.5351.9581.77
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing epam:NorthAmericaSegment100.0100.0100.0100.0

epam:Licensing, epam:RussiaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.0310.0810.0091.458
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:Licensing epam:RussiaSegment100.0100.0100.0100.0

epam:OtherRevenues, epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.3670.3932.3340.596
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues epam:EuropeSegment100.0100.0100.0100.0

epam:OtherRevenues, epam:NorthAmericaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.3590.4160.3010.214
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues epam:NorthAmericaSegment100.0100.0100.0100.0

epam:OtherRevenues, epam:RussiaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.010.0090.0090.049
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherRevenues epam:RussiaSegment100.0100.0100.0100.0

us-gaap:FixedPriceContract, epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value44433245
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.05.65.16.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.05.65.16.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract epam:EuropeSegment100.0100.0100.0100.0

us-gaap:FixedPriceContract, epam:NorthAmericaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value61533331
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.06.85.44.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.06.85.44.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract epam:NorthAmericaSegment100.0100.0100.0100.0

us-gaap:FixedPriceContract, epam:RussiaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value18146.2598.821
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.11.91.01.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.11.91.01.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract epam:RussiaSegment100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract, epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value267232192190
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.329.830.429.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.329.830.429.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract epam:EuropeSegment100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract, epam:NorthAmericaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value466417348357
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.953.555.154.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.953.555.154.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract epam:NorthAmericaSegment100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract, epam:RussiaSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value19141313
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.21.82.22.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.21.82.22.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract epam:RussiaSegment100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EquitySecuritiesByIndustry

epam:BusinessInformationandMediaSectors


Revenue
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
Value157147141140140138121105989588817776
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.918.919.621.522.221.319.318.017.818.217.517.517.418.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.918.919.621.522.221.319.318.017.818.217.517.517.418.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:BusinessInformationandMediaSectors100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:EmergingVerticalSector


Revenue
Period End2021-06-302020-06-30
Value10768
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.210.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.210.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EmergingVerticalSector100.0100.0

epam:LifeSciencesAndHealthcareSector


Revenue
Period End2021-06-302020-06-30
Value9168
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.410.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.410.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:LifeSciencesAndHealthcareSector100.0100.0

epam:OtherSectors


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value86807268707164615452474038
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.111.111.110.810.811.211.011.110.410.310.29.19.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.111.111.110.810.811.211.011.110.410.310.29.19.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherSectors100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:SoftwareAndHiTechSector


Revenue
Period End2021-06-302020-06-30
Value159119
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.118.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.118.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:SoftwareAndHiTechSector100.0100.0

epam:TravelandConsumerSector


Revenue
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
Value1711391211101071191151121071049910110191
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.517.816.816.917.018.418.319.119.420.019.721.622.721.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.517.816.816.917.018.418.319.119.420.019.721.622.721.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:TravelandConsumerSector100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialServicesSector


Revenue
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
Value193168158136127131136130120113112104102103
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.021.622.021.020.220.221.622.221.821.722.322.423.124.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.021.622.021.020.220.221.622.221.821.722.322.423.124.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FinancialServicesSector100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthcareSector


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value91837468696766595456443832
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.711.611.410.910.610.711.410.710.511.19.58.67.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.711.611.410.910.610.711.410.710.511.19.58.67.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:HealthcareSector100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TechnologySector


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1471361181191211191081059996888581
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.818.918.218.918.718.918.419.119.219.018.819.119.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.818.918.218.918.718.918.419.119.219.018.819.119.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TechnologySector100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EquitySecuritiesByIndustry, us-gaap:StatementBusinessSegments

epam:BusinessInformationandMediaSectors, epam:EuropeSegment


Revenue
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
Value6560535558584840353218171818
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.77.48.59.28.97.76.96.56.23.63.84.14.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.77.48.59.28.97.76.96.56.23.63.84.14.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:BusinessInformationandMediaSectors epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:BusinessInformationandMediaSectors, epam:NorthAmericaSegment


Revenue
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
Value9287878481807265626270645957
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.511.212.212.912.912.311.511.111.312.013.913.713.413.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.511.212.212.912.912.311.511.111.312.013.913.713.413.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:BusinessInformationandMediaSectors epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:BusinessInformationandMediaSectors, epam:RussiaSegment


Revenue
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
Value0.4360.3870.4940.4020.4390.360.3650.0220.1040.140.0540.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.10.10.10.10.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.10.10.10.10.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:BusinessInformationandMediaSectors epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

epam:EmergingVerticalSector, epam:EuropeSegment


Revenue
Period End2021-06-302020-06-30
Value4625
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.34.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.34.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EmergingVerticalSector epam:EuropeSegment100.0100.0

epam:EmergingVerticalSector, epam:NorthAmericaSegment


Revenue
Period End2021-06-302020-06-30
Value5540
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.36.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.36.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EmergingVerticalSector epam:NorthAmericaSegment100.0100.0

epam:EmergingVerticalSector, epam:RussiaSegment


Revenue
Period End2021-06-302020-06-30
Value4.7951.795
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EmergingVerticalSector epam:RussiaSegment100.0100.0

epam:LifeSciencesAndHealthcareSector, epam:EuropeSegment


Revenue
Period End2021-06-302020-06-30
Value107.069
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:LifeSciencesAndHealthcareSector epam:EuropeSegment100.0100.0

epam:LifeSciencesAndHealthcareSector, epam:NorthAmericaSegment


Revenue
Period End2021-06-302020-06-30
Value8061
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.29.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.29.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:LifeSciencesAndHealthcareSector epam:NorthAmericaSegment100.0100.0

epam:LifeSciencesAndHealthcareSector, epam:RussiaSegment


Revenue
Period End2021-06-302020-06-30
Value0.2040.039
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:LifeSciencesAndHealthcareSector epam:RussiaSegment100.0100.0

epam:OtherSectors, epam:EuropeSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value37343025232421221918141314
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.84.84.74.13.63.93.74.03.83.63.13.03.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.84.84.74.13.63.93.74.03.83.63.13.03.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherSectors epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:OtherSectors, epam:NorthAmericaSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value47423740444540373333322623
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.95.76.56.97.17.06.76.56.66.95.95.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.95.76.56.97.17.06.76.56.66.95.95.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherSectors epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:OtherSectors, epam:RussiaSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.1153.3484.1181.7951.6691.4571.6521.8450.7810.7030.950.8731.124
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.60.30.30.20.30.30.10.10.20.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.60.30.30.20.30.30.10.10.20.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherSectors epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:SoftwareAndHiTechSector, epam:EuropeSegment


Revenue
Period End2021-06-302020-06-30
Value2318
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.72.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.72.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:SoftwareAndHiTechSector epam:EuropeSegment100.0100.0

epam:SoftwareAndHiTechSector, epam:NorthAmericaSegment


Revenue
Period End2021-06-302020-06-30
Value134100
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.315.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.315.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:SoftwareAndHiTechSector epam:NorthAmericaSegment100.0100.0

epam:SoftwareAndHiTechSector, epam:RussiaSegment


Revenue
Period End2021-06-302020-06-30
Value0.590.519
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:SoftwareAndHiTechSector epam:RussiaSegment100.0100.0

epam:TravelandConsumerSector, epam:EuropeSegment


Revenue
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
Value7964565151616057565553535249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.08.37.87.98.19.49.59.810.210.610.511.511.711.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.08.37.87.98.19.49.59.810.210.610.511.511.711.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:TravelandConsumerSector epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:TravelandConsumerSector, epam:NorthAmericaSegment


Revenue
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
Value8569605452545151484744454740
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.78.98.48.48.38.48.28.88.79.08.89.810.69.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.78.98.48.48.38.48.28.88.79.08.89.810.69.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:TravelandConsumerSector epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:TravelandConsumerSector, epam:RussiaSegment


Revenue
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
Value6.7394.9584.6664.1353.8243.7393.5153.1712.7612.1242.1111.8911.7921.673
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.60.60.60.60.60.60.50.50.40.40.40.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.60.60.60.60.60.60.50.50.40.40.40.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:TravelandConsumerSector epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialServicesSector, epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value85787568666762615861
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.810.010.510.510.510.49.910.410.711.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.810.010.510.510.510.49.910.410.711.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FinancialServicesSector epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialServicesSector, epam:NorthAmericaSegment


Revenue
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
Value8369554847475250433833302621
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.58.97.77.47.57.38.28.67.97.46.66.56.05.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.58.97.77.47.57.38.28.67.97.46.66.56.05.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FinancialServicesSector epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialServicesSector, epam:RussiaSegment


Revenue
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
Value2421271913162218181316121416
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.73.83.02.22.53.53.23.32.53.22.73.23.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.73.83.02.22.53.53.23.32.53.22.73.23.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FinancialServicesSector epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthcareSector, epam:EuropeSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15127.9637.0697.6197.2686.7134.9074.5564.7225.0785.6494.823
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.81.21.11.21.11.10.90.90.91.11.31.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.81.21.11.21.11.10.90.90.91.11.31.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:HealthcareSector epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthcareSector, epam:NorthAmericaSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value75716661616060545051393227
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.79.810.19.89.59.610.29.89.610.28.47.46.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.79.810.19.89.59.610.29.89.610.28.47.46.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:HealthcareSector epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthcareSector, epam:RussiaSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.1750.2310.1690.0390.0090.010.0070.0040.0620.0010.0120.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:HealthcareSector epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:TechnologySector, epam:EuropeSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value20191718182016192019191920
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.72.72.72.92.83.32.93.53.93.94.14.54.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.72.72.72.92.83.32.93.53.93.94.14.54.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TechnologySector epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TechnologySector, epam:NorthAmericaSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1251161001001019890857975686460
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.116.115.515.915.615.615.515.515.214.914.614.514.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.116.115.515.915.615.615.515.515.214.914.614.514.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TechnologySector epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TechnologySector, epam:RussiaSegment


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.5050.630.5150.5191.9660.5280.5520.4780.440.670.5690.6240.764
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.30.10.10.10.10.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.30.10.10.10.10.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TechnologySector epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value311276252231227236224204197194
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.435.434.935.535.936.335.534.835.837.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.435.434.935.535.936.335.534.835.837.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:NorthAmericaSegment


Revenue
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
Value532474434391384391380358331310307280257231217206194178
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.460.860.060.060.960.060.161.060.059.661.060.057.754.554.454.755.654.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.460.860.060.060.960.060.161.060.059.661.060.057.754.554.454.755.654.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:RussiaSegment


Revenue
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
Value372936292023282423161916171921141313
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.75.14.53.23.74.54.14.23.23.93.53.94.75.33.83.94.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.75.14.53.23.74.54.14.23.23.93.53.94.75.33.83.94.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments, us-gaap:TimingOfTransferOfGoodOrService

epam:EuropeSegment, us-gaap:TransferredAtPointInTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.109-0.0270.3950.1370.2320.1620.5320.1190.1060.047
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.10.00.00.00.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.10.00.00.00.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EuropeSegment us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:EuropeSegment, us-gaap:TransferredOverTime


Revenue
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
Value311276251231227236223204197194177171170172
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.435.434.835.535.936.335.434.835.837.235.136.638.340.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.435.434.835.535.936.335.434.835.837.235.136.638.340.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:EuropeSegment us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:NorthAmericaSegment, us-gaap:TransferredAtPointInTime


Revenue
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
Value2.7922.4792.1761.311.2561.2920.5170.5610.2060.4040.0630.1940.2940.344
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.30.20.20.20.10.10.00.10.00.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.30.20.20.20.10.10.00.10.00.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:NorthAmericaSegment us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:NorthAmericaSegment, us-gaap:TransferredOverTime


Revenue
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
Value529472432390383389379358330310307280256230
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.060.559.759.860.759.860.060.960.059.561.059.957.654.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.060.559.759.860.759.860.060.960.059.561.059.957.654.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:NorthAmericaSegment us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:RussiaSegment, us-gaap:TransferredAtPointInTime


Revenue
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
Value0.0250.0280.0160.0460.0091.4560.0070.0540.00.00.0030.00.00.01
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.20.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.20.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:RussiaSegment us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.0

epam:RussiaSegment, us-gaap:TransferredOverTime


Revenue
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
Value3729362920222824231619161719
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.75.14.53.23.44.54.14.23.23.93.53.94.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.75.14.53.23.44.54.14.23.23.93.53.94.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:RussiaSegment us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:CA


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value24211518161717171516181817151515131213141515171413121413119.981109.1628.3935.4253.443.271.7630.7831.1760.609
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.82.22.82.62.82.83.02.93.33.73.84.03.73.84.23.93.84.44.95.35.96.66.26.16.27.07.06.66.26.86.56.34.42.73.01.70.81.20.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.82.22.82.62.82.83.02.93.33.73.84.03.73.84.23.93.84.44.95.35.96.66.26.16.27.07.06.66.26.86.56.34.42.73.01.70.81.20.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:CH


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value6367595046474238353639353435323328292831323029282626232220201813109.288.6828.4966.7976.1454.7173.7813.777
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.28.78.27.77.47.26.76.66.47.07.77.67.78.48.28.88.19.09.010.611.411.611.412.012.413.211.511.711.912.811.49.98.17.56.97.76.56.55.04.44.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.28.78.27.77.47.26.76.66.47.07.77.67.78.48.28.88.19.09.010.611.411.611.412.012.413.211.511.711.912.811.49.98.17.56.97.76.56.55.04.44.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CH100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:DE


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value25222222192022201919202020191716141212129.6638.7069.873109.346.4986.7896.4596.366.1326.055.1414.5374.5334.6254.3253.9593.4822.881.9471.757
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.83.13.43.13.13.63.63.63.74.14.44.54.64.54.34.13.74.14.13.43.33.84.44.33.23.43.43.63.83.83.73.43.63.73.93.83.73.02.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.83.13.43.13.13.63.63.63.74.14.44.54.64.54.34.13.74.14.13.43.33.84.44.33.23.43.43.63.83.83.73.43.63.73.93.83.73.02.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:DE100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:GB


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value11293797782928074696548505051474846464543454242414138383533342726272727252222201917
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.812.011.011.913.014.112.712.812.512.69.610.811.212.212.012.813.214.414.614.615.916.316.517.519.019.319.218.319.021.417.419.020.821.822.023.322.024.321.822.321.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.812.011.011.913.014.112.712.812.512.69.610.811.212.212.012.813.214.414.614.615.916.316.517.519.019.319.218.319.021.417.419.020.821.822.023.322.024.321.822.321.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:GB100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:NL


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value36333228272524222120181717171614128.6717.5074.3023.1652.5473.0052.632.3082.0462.2022.1742.3442.1181.0541.8952.3840.7870.7190.750.8680.790.8420.9251.022
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.24.54.44.34.03.93.83.84.03.63.63.94.24.13.73.62.72.41.41.11.01.21.11.11.01.11.11.31.30.71.41.80.60.60.70.80.80.91.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.24.54.44.34.03.93.83.84.03.63.63.94.24.13.73.62.72.41.41.11.01.21.11.11.01.11.11.31.30.71.41.80.60.60.70.80.80.91.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:NL100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:RU


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value352735271921272322151915161920141313119.833108.9529.989.4699.7987.259111412101611131118109.3939.098121110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.13.54.94.33.13.44.44.04.13.03.83.33.84.65.23.73.84.13.73.33.73.43.84.04.53.65.77.47.36.510.78.29.99.514.79.69.09.613.413.012.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.13.54.94.33.13.44.44.04.13.03.83.33.84.65.23.73.84.13.73.33.73.43.84.04.53.65.77.47.36.510.78.29.99.514.79.69.09.613.413.012.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:RU100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5024484173713653703623403182992922662462232122021921761761531451351271109792898475696762595951504846444139
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.057.457.756.957.756.857.257.957.857.558.056.855.452.753.153.655.154.556.251.651.451.349.146.744.646.144.443.743.043.143.144.944.947.541.445.846.848.846.948.349.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.057.457.756.957.756.857.257.957.857.558.056.855.452.753.153.655.154.556.251.651.451.349.146.744.646.144.443.743.043.143.144.944.947.541.445.846.848.846.948.349.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:CIS


Revenue
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
Value3730373022243026251821181921
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.33.95.24.63.53.84.94.54.53.54.44.04.45.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.33.95.24.63.53.84.94.54.53.54.44.04.45.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:CIS100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:OtherCountries


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value796761555555544949474844424036336.4595.866775.1852.422.9533.2682.4212.0371.6084.5184.4764.2210.6332.2981.860.8480.5281.1821.122.6540.561.5551.5161.36
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.08.68.48.68.88.68.68.48.99.09.59.69.59.69.28.91.91.824.71.70.91.11.31.00.90.82.22.32.40.41.51.30.60.40.91.02.60.61.61.81.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.08.68.48.68.88.68.68.48.99.09.59.69.59.69.28.91.91.824.71.70.91.11.31.00.90.82.22.32.40.41.51.30.60.40.91.02.60.61.61.81.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:OtherCountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


Revenue
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
Value242021171713151314121413119.837
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.72.92.72.72.12.42.42.62.52.92.82.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.72.92.72.72.12.42.42.62.52.92.82.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NorthAmerica


Revenue
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
Value527470433389381389380358334316311284264239
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.860.259.959.860.459.860.160.960.760.761.660.759.356.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.860.259.959.860.459.860.160.960.760.761.660.759.356.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA


Revenue
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
Value291259231214211223206189177173157152149153
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.033.232.032.933.434.232.732.232.233.331.232.533.636.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.033.232.032.933.434.232.732.232.233.331.232.533.636.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

epam:CIS, epam:EuropeSegment


Revenue
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
Value0.00.0140.0660.0160.0040.0120.0770.0530.00.0130.1030.1420.0280.063
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:CIS epam:EuropeSegment0.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

epam:CIS, epam:NorthAmericaSegment


Revenue
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
Value1.411.8561.5941.4332.2362.5542.492.3492.0051.7392.1372.2082.0892.003
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.40.40.40.40.40.30.40.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.40.40.40.40.40.30.40.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:CIS epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:CIS, epam:RussiaSegment


Revenue
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
Value3628362819222824231619161719
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.13.65.04.43.13.44.44.14.23.23.93.53.94.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.13.65.04.43.13.44.44.14.23.23.93.53.94.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax epam:CIS epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value24202017161314131312
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.62.82.72.62.02.42.42.52.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.62.82.72.62.02.42.42.52.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, epam:NorthAmericaSegment


Revenue
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
Value0.6670.4750.6390.4010.7050.4320.2340.0070.580.4581.9221.6711.6550.383
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.00.00.10.10.40.40.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.00.00.10.10.40.40.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NorthAmerica, epam:EuropeSegment


Revenue
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
Value181413101010128.484111212121413
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.91.91.71.71.62.01.42.12.52.52.73.23.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.91.91.71.71.62.01.42.12.52.52.73.23.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NorthAmerica, epam:NorthAmericaSegment


Revenue
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
Value508454419378370377367349323303298271250226
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.758.257.958.058.658.058.059.558.658.359.158.056.253.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.758.257.958.058.658.058.059.558.658.359.158.056.253.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NorthAmerica, epam:RussiaSegment


Revenue
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
Value1.0320.8910.8250.630.4081.6270.0420.0420.0160.0160.0290.0170.0140.015
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.20.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.20.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica epam:RussiaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, epam:EuropeSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value269241218203199212196182172168
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.630.930.231.231.632.731.031.031.232.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.630.930.231.231.632.731.031.031.232.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA epam:EuropeSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, epam:NorthAmericaSegment


Revenue
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
Value211712111110106.7565.2194.7475.4455.4083.0862.74
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.31.81.71.81.61.61.10.90.91.11.20.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.31.81.71.81.61.61.10.90.91.11.20.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA epam:NorthAmericaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, epam:RussiaSegment


Revenue
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
Value0.070.0630.070.00.0030.0030.0130.0230.0990.1410.0070.0030.00.042
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA epam:RussiaSegment100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimingOfTransferOfGoodOrService

us-gaap:TransferredAtPointInTime


Revenue
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
Value2.9262.482.5871.4931.4972.911.0560.7340.3120.4510.3270.1410.5970.605
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.40.20.20.40.20.10.10.10.10.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.40.20.20.40.20.10.10.10.10.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TransferredOverTime


Revenue
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
Value878778720650630648631587551520504468445423
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax99.799.799.699.899.899.699.899.999.999.999.9100.099.999.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax99.799.799.699.899.899.699.899.999.999.999.9100.099.999.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value8817807236526326516325885515215044684454243993773483243132982832642602362172002021921741601571401331241251101039495868072
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1511361281161141251241181111019792918784818078716764616455554649423832322728272621201718151613
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.217.517.817.918.119.219.820.220.319.519.319.820.620.721.221.523.024.222.822.622.623.324.823.525.723.524.622.222.120.220.919.921.421.821.019.220.018.719.518.321.018.9

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value29612780272125552389231122442040193118311611150313921343125011731079986925909843807778703636609594565537458432405374356350312287274235
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value7487167386956366646485485094933493082792882751871591511441591341501651309212112911911162565349536447454854
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.325.827.127.226.628.728.926.926.426.921.720.520.121.422.016.014.815.415.617.516.018.621.218.614.520.021.921.120.713.613.113.313.214.918.415.215.817.723.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value29612780272125552389231122442040193118311611150313921343125011731079986925909843807778703636609594565537458432405374356350312287274235
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value22122063198318601753164715961492142213381262119511121055974985919835781750708657613572544487464445426396376351325303286265242226956616
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets74.774.272.972.873.471.371.173.173.673.178.379.579.978.678.084.085.284.684.482.584.081.478.881.485.580.078.178.979.386.486.986.786.885.181.684.884.282.340.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-31
Value-1.612-1.612-0.986
Percentage of StockholdersEquity-0.1-0.1-0.0
Percentage of Assets-0.1-0.1-0.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value1.601-0.4393.642-1.63-8.0761.292
Percentage of StockholdersEquity0.1-0.00.2-0.1-0.50.1
Percentage of Assets0.1-0.00.1-0.1-0.30.1
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-29.073-40.75-25.512-50.373-69.261-31.374-41.514-17.623-1.832-1.021-3.514-2.264-1.867
Percentage of StockholdersEquity-1.3-2.0-1.3-2.9-4.2-2.0-3.3-1.8-0.5-0.4-3.7-3.4-11.3
Percentage of Assets-1.0-1.5-0.9-2.1-3.0-1.4-2.6-1.4-0.4-0.3-1.50.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-29.062-38.699-28.168-48.743-61.185-32.666
Percentage of StockholdersEquity-1.3-1.9-1.4-2.8-3.7-2.0
Percentage of Assets-1.0-1.4-1.0-2.0-2.6-1.5
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value670647660630610607544473195166403612
Percentage of StockholdersEquity30.331.433.336.037.138.043.148.652.058.342.155.576.1
Percentage of Assets22.623.324.326.426.427.033.837.945.247.617.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.0570.0560.0560.0560.0560.0550.0540.0530.0460.0440.0170.0170.017
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value157114561347117211061020759518190128744720
Percentage of StockholdersEquity71.070.668.066.967.263.960.253.250.845.178.472.0126.1
Percentage of Assets53.152.449.549.147.945.547.141.544.136.831.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-0.177-0.177-0.177-0.177-0.177-0.177-8.684-8.697-15.972-15.972-15.04
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-2.3-3.0-16.8-24.1-91.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-2.0-2.5-6.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2038200419121752159815071474136412851244119911291024970960883788708646635573552528500456433415401374352330305273255250237224223183
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.872.170.368.666.965.265.766.966.668.074.475.173.672.276.875.373.071.769.869.968.068.467.971.171.871.269.971.169.776.876.575.373.071.671.576.078.081.277.9

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1283137213221161993916936853777762770685584535582512443398362330280244199214175192220191175174169122107102118105104112886763485452
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.349.448.645.441.639.641.741.840.241.647.845.642.039.946.643.741.140.439.136.433.330.325.630.527.631.637.133.832.538.039.130.328.728.833.733.936.441.137.70.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1285137413231162994917937854778763771686585537582512446398364199
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.449.448.645.541.639.741.841.940.341.747.945.642.040.046.643.741.440.439.425.6

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

country:BY, epam:CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsTotal, us-gaap:GeographicConcentrationRisk


Cash
Period End2020-12-312019-12-31
Value52123
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents4.013.2
Percentage of Assets1.95.5
Percentage of Assets country:BY epam:CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsTotal us-gaap:GeographicConcentrationRisk0.00.0

epam:BelarusRussiaUkraineKazakhstanArmeniaGeorgiaAndUzbekistan, epam:CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsTotal, us-gaap:GeographicConcentrationRisk


Cash
Period End2020-12-31
Value146
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents11.0
Percentage of Assets5.4
Percentage of Assets epam:BelarusRussiaUkraineKazakhstanArmeniaGeorgiaAndUzbekistan epam:CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsTotal us-gaap:GeographicConcentrationRisk0.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value72462937374839292830262931332331232615321519142019149.28918161514221715121310106.436
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.41.71.11.51.62.11.81.41.51.71.62.02.32.51.92.72.22.71.73.51.82.41.82.93.12.41.63.23.03.33.35.54.64.43.54.23.63.72.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value29725918114812010089837451
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.911.611.211.813.012.915.119.321.421.8

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetsLeasedToOthers


Property
Period End2020-12-312019-12-312018-12-31
Value6.7100.0
Percentage of PropertyPlantAndEquipmentGross2.34.10.0
Percentage of Assets0.20.50.0
Percentage of Assets us-gaap:AssetsLeasedToOthers0.00.00.0

us-gaap:Building


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value525134343434171616
Percentage of PropertyPlantAndEquipmentGross17.519.819.023.028.333.919.119.822.0
Percentage of Assets1.92.32.12.73.74.42.93.84.7
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value11796746249363229
Percentage of PropertyPlantAndEquipmentGross39.537.141.441.941.336.536.135.8
Percentage of Assets4.34.34.65.05.44.75.46.9
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value31282118138.997.3485.6884.351
Percentage of PropertyPlantAndEquipmentGross10.710.911.912.211.09.08.26.85.8
Percentage of Assets1.21.31.31.41.41.21.21.31.2
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-31
Value1.339
Percentage of PropertyPlantAndEquipmentGross0.5
Percentage of Assets0.0
Percentage of Assets us-gaap:Land0.0

us-gaap:LandImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2.1372.1371.4741.4741.4671.4640.0
Percentage of PropertyPlantAndEquipmentGross0.70.80.81.01.21.50.0
Percentage of Assets0.10.10.10.10.20.20.0
Percentage of Assets us-gaap:LandImprovements0.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value393025137.9446.8016.2875.9035.527
Percentage of PropertyPlantAndEquipmentGross13.311.813.88.96.66.87.07.17.4
Percentage of Assets1.51.41.61.10.90.91.11.41.6
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.0

us-gaap:OfficeEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value201813109.4168.3075.0434.6794.325
Percentage of PropertyPlantAndEquipmentGross7.17.37.37.37.88.35.65.65.8
Percentage of Assets0.80.80.80.91.01.10.81.11.2
Percentage of Assets us-gaap:OfficeEquipment0.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-31
Value313210
Percentage of PropertyPlantAndEquipmentGross10.812.45.7
Percentage of Assets1.21.40.6
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value127947861463934302115
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.24.94.95.05.15.87.06.26.8

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetsLeasedToOthers


Accumulated
Period End2020-12-312019-12-31
Value0.20.101
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment0.20.1
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AssetsLeasedToOthers0.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets us-gaap:ConsolidationItems

us-gaap:AmortizationOfIntangibleAssets

us-gaap:MaterialReconcilingItems


Amortization
Period End2021-06-302021-03-312020-06-302020-03-31
Value3.9613.142.9943.135
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:MaterialReconcilingItems0.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:StatementBusinessSegments

us-gaap:MaterialReconcilingItems


Amortization
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-3.086-2.994-3.135-2.621-2.554-2.601-2.138
Percentage of AmortizationOfIntangibleAssets0.0-100.0-100.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value17316416916316716416511511110510299989686777775737066646060585555545453535455535352403735
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.95.96.26.47.07.17.45.75.85.86.46.67.17.26.96.67.17.78.07.77.98.07.88.69.29.09.39.710.111.612.313.314.814.915.116.914.013.515.1

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:BY


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value7772737273747548485050484848494646474644444444464442414140383839403940402926
Percentage of PropertyPlantAndEquipmentNet44.944.243.644.344.245.446.042.144.147.348.849.049.250.257.759.960.362.062.563.966.569.674.277.476.976.375.575.473.973.372.672.972.673.775.576.472.773.3
Percentage of Assets2.62.62.72.83.13.23.42.42.52.73.13.23.53.64.04.04.34.85.04.95.35.55.86.77.16.97.07.37.58.58.99.710.711.011.412.910.211.0
Percentage of Assets country:BY0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:CN


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2.3232.4092.7222.5562.6212.8063.0363.1322.9042.4792.6512.833.2753.7072.6081.751.7361.7851.8871.7151.5040.514
Percentage of PropertyPlantAndEquipmentNet1.31.51.61.61.61.71.82.72.62.32.62.83.33.83.02.22.32.32.62.42.30.8
Percentage of Assets0.10.10.10.10.10.10.10.20.20.10.20.20.20.30.20.10.20.20.20.20.20.1
Percentage of Assets country:CN0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:ES


Property
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-31
Value2.8282.672.7992.6851.1060.875
Percentage of PropertyPlantAndEquipmentNet1.61.61.71.60.70.9
Percentage of Assets0.10.10.10.10.00.1
Percentage of Assets country:ES0.00.00.00.00.00.0

country:HU


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value6.1124.845.3654.824.6844.8875.2013.3293.3453.1443.1683.1983.353.8483.9013.9723.7913.3843.4853.9453.3453.3692.4852.4062.3672.5232.7732.7032.8022.5922.6442.4982.3421.9591.7441.7421.5811.108
Percentage of PropertyPlantAndEquipmentNet3.52.93.22.92.83.03.12.93.03.03.13.23.44.04.55.14.94.54.75.65.05.24.14.04.04.65.04.95.14.95.04.64.23.73.33.33.93.1
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.40.30.40.40.40.40.30.30.40.40.50.50.50.60.60.60.60.50.50.60.50.5
Percentage of Assets country:HU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:IN


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value7.1957.1827.0796.3496.5536.8747.4436.7426.7556.8637.0196.7837.4724.1272.6981.1761.3461.531.651.5941.541.3331.0990.0
Percentage of PropertyPlantAndEquipmentNet4.14.44.23.93.94.24.55.86.16.56.86.87.64.33.11.51.72.02.22.32.32.11.80.0
Percentage of Assets0.20.30.30.20.30.30.30.30.30.40.40.50.50.30.20.10.10.20.20.20.20.20.10.0
Percentage of Assets country:IN0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:MX


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value2.6562.3962.4192.4312.5912.3530.812
Percentage of PropertyPlantAndEquipmentNet1.51.51.41.51.51.40.8
Percentage of Assets0.10.10.10.10.10.10.1
Percentage of Assets country:MX0.00.00.00.00.00.00.0

country:PL


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value5.7045.615.4345.0324.8034.9885.0292.92.8762.7592.6372.8932.6572.7722.4982.2132.1351.8271.4641.0880.747
Percentage of PropertyPlantAndEquipmentNet3.33.43.23.12.93.03.02.52.62.62.63.33.43.63.33.03.02.72.31.81.4
Percentage of Assets0.20.20.20.20.20.20.20.10.10.20.20.20.20.30.30.20.20.20.20.10.1
Percentage of Assets country:PL0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:RU


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value151315131513171212119.9021010119.6178.2158.417.8537.2034.8513.6043.0992.0842.0432.3112.1212.1962.6733.1123.0273.4143.4623.6883.1183.2343.0212.3382.011
Percentage of PropertyPlantAndEquipmentNet8.98.38.98.49.18.110.910.911.310.69.610.310.711.411.110.510.910.39.86.95.44.83.43.44.03.84.04.95.75.76.46.46.75.96.15.75.85.7
Percentage of Assets0.50.50.60.50.60.60.80.60.70.60.60.70.80.80.80.70.80.80.80.50.40.40.30.30.40.30.40.50.60.70.80.91.00.90.91.00.80.9
Percentage of Assets country:RU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:UA


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2728303029272416129.4358.4338.5296.8186.5696.9955.7245.5645.8475.615.7355.7175.0914.4874.4824.2914.3774.3924.5114.8485.5445.5255.3595.7115.3465.3575.1054.9974.314
Percentage of PropertyPlantAndEquipmentNet15.817.418.318.417.716.614.913.911.38.98.28.66.96.88.17.37.27.77.68.28.67.97.47.47.37.98.08.38.910.410.49.910.310.010.19.612.412.2
Percentage of Assets0.91.01.11.21.21.21.10.80.60.50.50.60.50.50.60.50.50.60.60.60.70.60.60.60.70.70.70.80.91.21.31.31.51.51.51.61.71.8
Percentage of Assets country:UA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:US


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value15151516171715131314131111113.3713.4793.4033.0132.6182.6852.4562.3141.9692.0721.8631.7792.0011.9312.1921.9832.2172.5352.7882.9422.0482.0121.4251.445
Percentage of PropertyPlantAndEquipmentNet8.79.59.310.010.610.89.512.112.413.312.811.611.711.93.94.54.44.03.63.83.73.63.33.43.23.23.63.54.03.74.24.75.05.53.93.83.54.1
Percentage of Assets0.50.60.60.60.70.80.70.70.70.80.80.80.80.90.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.50.60.70.80.60.60.50.6
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

epam:OtherCountries


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value108.8347.9937.1529.59511108.1727.4145.8415.657.5767.0477.4193.5483.363.5932.9282.9392.6822.3592.92.4082.7052.6482.2552.121.6041.251.0020.8180.7910.6610.6480.6570.6330.6460.603
Percentage of PropertyPlantAndEquipmentNet6.25.44.74.45.77.16.27.16.75.55.57.67.27.74.14.34.73.94.03.83.54.54.04.54.54.13.82.92.31.91.51.51.21.21.21.21.61.7
Percentage of Assets0.40.30.30.30.40.50.50.40.40.30.40.50.50.60.30.30.30.30.30.30.30.40.30.40.40.40.40.30.20.20.20.20.20.20.20.20.20.3
Percentage of Assets epam:OtherCountries0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value33521021120719919819518617916716614414415011911911611010911111011811584625657394226222222222211128.4598.16910
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.37.67.88.18.38.68.79.19.39.210.49.610.411.29.610.210.811.211.812.313.114.714.912.09.89.29.76.97.95.85.15.56.06.36.53.64.33.13.50.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

epam:PolSourceSA


Goodwillus-gaap:
Period End2021-04-02
Value113
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets epam:PolSourceSA0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

epam:EuropeSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1418990867777807272646341414342
Percentage of Goodwill42.042.442.541.538.939.241.538.740.438.337.928.428.628.835.3
Percentage of Assets4.83.23.33.43.23.43.63.53.73.53.92.73.03.23.4
Percentage of Assets epam:EuropeSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

epam:NorthAmericaSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value19312012112012012011311310610310310310310777
Percentage of Goodwill57.757.357.158.260.760.558.260.959.661.762.171.671.471.264.7
Percentage of Assets6.54.34.54.75.15.25.15.65.55.76.46.97.48.06.2
Percentage of Assets epam:NorthAmericaSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

epam:RussiaSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value0.7220.7120.7180.7020.7460.70.7440.7610.00.0
Percentage of Goodwill0.20.30.30.30.40.40.40.40.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets epam:RussiaSegment0.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value65485154555856565350575255594446494951535545463737454746491213141516166.0146.2271.1111.251
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.21.71.92.12.32.52.52.82.82.73.53.54.04.43.63.94.65.05.55.96.65.76.05.35.97.48.08.29.22.83.23.64.04.54.81.92.20.40.5

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5156574451464713161.251
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.53.53.65.56.08.03.24.80.5

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

epam:AssembledWorkforce


Finite
Period End2020-12-312019-12-31
Value0.0960.158
Percentage of FiniteLivedIntangibleAssetsNet0.20.3
Percentage of Assets0.00.0
Percentage of Assets epam:AssembledWorkforce0.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2020-12-312019-12-31
Value4.6763.986
Percentage of FiniteLivedIntangibleAssetsNet9.07.1
Percentage of Assets0.20.2
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.0

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value444848445044438.547100.942
Percentage of FiniteLivedIntangibleAssetsNet86.187.084.999.998.195.191.962.259.975.3
Percentage of Assets1.62.23.03.65.45.77.42.02.90.4
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.0

us-gaap:RoyaltyAgreements


Finite
Period End2020-12-312019-12-312018-12-31
Value1.2271.4651.702
Percentage of FiniteLivedIntangibleAssetsNet2.42.63.0
Percentage of Assets0.00.10.1
Percentage of Assets us-gaap:RoyaltyAgreements0.00.00.0

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1.2221.6861.8110.0650.9612.0813.4784.5895.9330.309
Percentage of FiniteLivedIntangibleAssetsNet2.43.03.20.11.94.47.333.435.224.7
Percentage of Assets0.00.10.10.00.10.30.61.11.70.1
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.0

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
Value8970671628278.4249.3239.5044.24
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.14.21.33.03.51.42.22.71.8

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1962072282322342432382072101730.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets6.67.58.49.19.810.510.610.210.99.50.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value565453545559393521201614121612121110107.4867.275.0354.1133.3413.5613.7943.3683.7472.8624.7973.4090.9690.9380.7310.6320.5780.5530.542.691
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.92.02.12.32.61.81.71.11.11.01.00.91.21.01.11.11.11.10.80.90.60.50.50.60.60.60.70.51.00.80.20.30.20.20.20.20.21.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value9.7127.16810107.5965.2327.8316.8966.0434.3977.4448.4226.7278.4745.5745.5924.2533.2563.2134.6613.0053.5622.5761211134.6416.02712112.8358.1958.3769.7286.0952.5584.3454.062.714
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.40.40.30.20.30.30.30.20.50.60.50.60.40.50.40.30.30.50.40.40.31.71.92.20.81.12.32.60.72.02.22.71.70.81.51.51.2

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value169.0972013106.9879.064279.4884.0157.9823.7173.3151.918
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.30.80.50.50.30.41.70.80.41.91.30.90.90.8

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value5224634654143653893863112722822622201811791801581301221161229210712711290117125847760545247485946434753
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.716.717.116.215.316.817.215.314.115.416.314.713.013.414.513.612.112.512.613.510.913.316.416.014.119.321.114.914.413.212.612.912.613.616.914.715.217.222.5

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value525660616060575148390.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.82.02.22.42.62.62.62.52.52.20.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value263925182.5584.3473.6812.2871.608
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.71.61.50.30.60.60.50.5

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value0.0292525252525
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.90.91.01.01.1

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value25252525252525252525252525252533404035
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.11.11.21.31.41.61.71.81.92.02.12.32.52.73.64.85.04.5

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:BalanceSheetLocation

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherNoncurrentLiabilities


Deferred
Period End2020-12-312019-12-31
Value3300000.04500000.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0
Percentage of Assets0.10.2
Percentage of Assets us-gaap:OtherNoncurrentLiabilities0.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-09-302014-06-302013-12-31
Value3221232820149.315139.80314171116219.4353.8364.4243.9543.1320.2680.031310.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0
Percentage of Assets1.10.80.91.10.90.60.40.70.50.81.10.81.21.60.80.30.40.40.30.00.05.65.90.0

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1511621801831811891801531581270.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets5.15.86.67.27.68.28.17.58.27.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value36365063
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets1.21.31.82.5

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value31313748
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets1.11.11.41.9

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value22223235
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.80.81.21.4

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312020-09-30
Value2230
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.81.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312020-09-30
Value5271
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0
Percentage of Assets1.92.8

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-31
Value204218241245238205206167
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.97.88.99.610.610.110.79.2

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value219236261267
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets7.48.59.610.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value14182022
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.50.70.80.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value22122063198318601753164715961492142213381262119511121055974985919835781750708657613572544487464445426396376351325303286265242226956616
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets74.774.272.972.873.471.371.173.173.673.178.379.579.978.678.084.085.284.684.482.584.081.478.881.485.580.078.178.979.386.486.986.786.885.181.684.884.282.340.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-31
Value-1.612-1.612-0.986
Percentage of StockholdersEquity-0.1-0.1-0.0
Percentage of Assets-0.1-0.1-0.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value1.601-0.4393.642-1.63-8.0761.292
Percentage of StockholdersEquity0.1-0.00.2-0.1-0.50.1
Percentage of Assets0.1-0.00.1-0.1-0.30.1
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-29.073-40.75-25.512-50.373-69.261-31.374-41.514-17.623-1.832-1.021-3.514-2.264-1.867
Percentage of StockholdersEquity-1.3-2.0-1.3-2.9-4.2-2.0-3.3-1.8-0.5-0.4-3.7-3.4-11.3
Percentage of Assets-1.0-1.5-0.9-2.1-3.0-1.4-2.6-1.4-0.4-0.3-1.50.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-29.062-38.699-28.168-48.743-61.185-32.666
Percentage of StockholdersEquity-1.3-1.9-1.4-2.8-3.7-2.0
Percentage of Assets-1.0-1.4-1.0-2.0-2.6-1.5
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value670647660630610607544473195166403612
Percentage of StockholdersEquity30.331.433.336.037.138.043.148.652.058.342.155.576.1
Percentage of Assets22.623.324.326.426.427.033.837.945.247.617.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.0570.0560.0560.0560.0560.0550.0540.0530.0460.0440.0170.0170.017
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value157114561347117211061020759518190128744720
Percentage of StockholdersEquity71.070.668.066.967.263.960.253.250.845.178.472.0126.1
Percentage of Assets53.152.449.549.147.945.547.141.544.136.831.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-0.177-0.177-0.177-0.177-0.177-0.177-8.684-8.697-15.972-15.972-15.04
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-2.3-3.0-16.8-24.1-91.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-2.0-2.5-6.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1860175316471596149214221338126211951112105597478161346437628695
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets72.873.471.371.173.173.673.178.379.579.978.678.084.478.878.186.981.640.3

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Stockholders
Period End2020-12-31
Value-0.986
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.0
Percentage of Assets-0.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2020-12-312019-12-312018-12-31
Value3.6421.292-2.553
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.1-0.2
Percentage of Assets0.10.1-0.2
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value-25.512-50.672-50.373-69.261-31.374-43.591-31.314-35.471-41.514-34.347-32.155-14.245-17.623-37.688-35.15-22.054-1.832-1.021-3.514
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.0-2.7-2.9-4.2-2.0-2.9-2.2-2.7-3.3-2.9-2.9-1.3-1.8-4.8-5.7-4.8-0.5-0.4-3.7
Percentage of Assets-0.9-2.0-2.1-3.0-1.4-2.1-1.6-1.9-2.6-2.3-2.3-1.1-1.4-4.1-4.5-3.7-0.4-0.3-1.5
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:AccumulatedTranslationAdjustment


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value-28.168-32.666-38.961-17.623
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.0-2.0-3.1-1.8
Percentage of Assets-1.0-1.5-2.4-1.4
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value64863061060758957455354453051148647337430322919516640
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest34.936.037.138.039.540.441.443.144.445.946.148.648.049.549.552.058.342.1
Percentage of Assets25.426.426.427.028.929.830.233.835.336.736.237.940.539.038.645.247.617.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.0560.0560.0560.0550.0550.0550.0540.0540.0540.0540.0530.0530.050.0490.0480.0460.0440.017
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value126211721106102094687982075969963358351844434526019012874
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest67.966.967.263.963.461.861.360.258.557.055.353.256.956.356.250.845.178.4
Percentage of Assets49.449.147.945.546.445.544.847.146.545.543.441.548.044.343.944.136.831.6
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value57000.056000.056000.056000.056000.056000.055000.055000.055000.054000.054000.054000.054000.053000.053000.052000.051000.051000.050000.050000.050000.049000.049000.049000.049000.048000.048000.048000.048000.047000.046000.046000.046000.045000.044000.043000.043000.042000.017000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value67064766064863061060758957455354453051148647345643939637436334831930328427024122922021220119518918217316616415815740
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.623.324.325.426.426.427.028.929.830.233.835.336.736.237.938.940.740.240.539.941.339.539.040.542.539.538.639.139.544.045.246.748.748.747.652.655.157.317.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-29073000.0-40750000.0-25512000.0-50672000.0-50373000.0-69261000.0-31374000.0-43591000.0-31314000.0-35471000.0-41514000.0-34347000.0-32155000.0-14245000.0-17623000.0-21048000.0-26751000.0-31302000.0-37688000.0-32479000.0-32837000.0-30451000.0-35150000.0-29451000.0-21110000.0-24784000.0-22054000.0-10774000.0-2515000.0-5409000.0-1832000.0-1434000.0-4409000.0-3364000.0-1021000.0-1662000.0-4366000.0-1902000.0-3514000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.0-1.5-0.9-2.0-2.1-3.0-1.4-2.1-1.6-1.9-2.6-2.3-2.3-1.1-1.4-1.8-2.5-3.2-4.1-3.6-3.9-3.8-4.5-4.2-3.3-4.1-3.7-1.9-0.5-1.2-0.4-0.4-1.2-0.9-0.3-0.5-1.5-0.7-1.5

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.1770.170.1560.1540.0930.080.083.8114.0436.56.58.6638.6848.6848.6978.6978.69711111515
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.60.71.21.21.92.02.12.32.42.53.74.15.86.8

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value13141211129.9091010101011
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value13141211129.9091010101011
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
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

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value68121591751466312411944-0.202123102597.33716427315361381011552.1636.8714823161646157.958-11.73835116.374-4.7452617100.362
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.81.622.026.923.19.719.720.28.0-0.024.421.913.31.717.917.28.09.617.120.713.64.14.523.51.03.424.112.09.610.129.511.16.0-9.528.510.16.1-5.027.720.113.00.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-145.85148-17.907-15.676-74.086-59.485-57.787-40.137-28.885-18.56-34.29-9.519-8.15-60.164-12.159-6.44-11.93-5.644-12.432-8.708-11.60223-52.319-33.696-5.597-33.882-14.521-5.197-21.535-11.676-2.945-4.889-7.512-6.474-28.264-14.825-12.819-3.719-3.846-6.403-0.758-6.401
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-16.56.2-2.5-2.4-11.7-9.1-9.1-6.8-5.2-3.6-6.8-2.0-1.8-14.2-3.0-1.7-3.4-1.7-4.0-2.9-4.18.9-20.1-14.3-2.6-16.9-7.2-2.7-12.3-7.3-1.9-3.5-5.6-5.2-22.5-13.5-12.3-3.9-4.0-7.4-0.9-8.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-20.3251.3290.3185.565-4.602-2.0467.2164.939-1.973102.159.267.5754.0169.536.084267.882-5.931-3.3459.9549.7892819-15.4271.490.9881.7854.443.1342.7944.1044.5644.0394.183.57-0.21231-0.455-5.948
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.30.20.00.9-0.7-0.31.10.8-0.42.00.42.01.70.92.41.67.52.4-1.9-1.13.53.710.98.2-7.10.70.50.92.52.01.82.93.43.33.33.2-0.233.2-0.5-6.9

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-89.2455016116777-20.285837514-8.0338510148-45.77870664734
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.16.522.325.712.3-3.113.212.92.7-1.516.921.610.8-10.817.617.613.610.6

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-5.5166.692-15.448-7.517-5.3178.288-4.659-1.912-2.0390.846-11.628-8.791-4.291-23.29112.152-3.3612.595-3.293-0.080.551-0.482-15.8630.1630.2770.095-3.5450.080.0980.097-0.6940.2050.2620.268-3.559-0.4130.062-0.0230.4260.00.365-0.294
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-782000.0-3166000.0592000.01203000.03040000.0-2407000.0159000.0225000.0419000.0-2488000.0-2346000.0566000.0-1512000.02520000.0-664000.01367000.0441000.077000.0-1270000.01550000.0-210000.0671000.0-10909000.0385000.0-1926000.09669000.0-2339000.0-6163000.0-2664000.08563000.0-5375000.0-155000.0-379000.03009000.03505000.0-2447000.0-1045000.01394000.0691000.0-1448000.01611000.0-600000.0
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value68121591751466312411944-0.202123102597.33716427315361381011552.1636.8714823161646157.958-11.73835116.374-4.7452617100.362
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.81.622.026.923.19.719.720.28.0-0.024.421.913.31.717.917.28.09.617.120.713.64.14.523.51.03.424.112.09.610.129.511.16.0-9.528.510.16.1-5.027.720.113.00.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value114109858966857467586059655064-30.874423723242624232722191418191417181614121414131212138.2779.742
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.014.011.813.710.513.111.811.410.711.711.914.011.315.2-7.711.310.77.37.98.88.69.010.69.78.87.49.19.98.510.811.911.710.610.211.912.812.812.813.016.110.313.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value114109896685675860655064
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.014.013.710.513.111.410.711.714.011.315.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value232420231911191515211215141612111215111312101211129.1348.0967.4255.8913.2083.3593.3653.852.5761.4572.0461.7731.550.7120.7850.6550.714
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-145.85148-17.907-15.676-74.086-59.485-57.787-40.137-28.885-18.56-34.29-9.519-8.15-60.164-12.159-6.44-11.93-5.644-12.432-8.708-11.60223-52.319-33.696-5.597-33.882-14.521-5.197-21.535-11.676-2.945-4.889-7.512-6.474-28.264-14.825-12.819-3.719-3.846-6.403-0.758-6.401
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-16.56.2-2.5-2.4-11.7-9.1-9.1-6.8-5.2-3.6-6.8-2.0-1.8-14.2-3.0-1.7-3.4-1.7-4.0-2.9-4.18.9-20.1-14.3-2.6-16.9-7.2-2.7-12.3-7.3-1.9-3.5-5.6-5.2-22.5-13.5-12.3-3.9-4.0-7.4-0.9-8.8

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2211189.787112947271113108.1628.59210125.445.7165.7259.3366.3927.4046.1853.7394.1913.4691.8733.7523.7192.2882.1572.4321.936.1112.8873.0593.9073.0863.3242.6965.8320.7026.318
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-20.3251.3290.3185.565-4.602-2.0467.2164.939-1.973102.159.267.5754.0169.536.084267.882-5.931-3.3459.9549.7892819-15.4271.490.9881.7854.443.1342.7944.1044.5644.0394.183.57-0.21231-0.455-5.948
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.30.20.00.9-0.7-0.31.10.8-0.42.00.42.01.70.92.41.67.52.4-1.9-1.13.53.710.98.2-7.10.70.50.92.52.01.82.93.43.33.33.2-0.233.2-0.5-6.9

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value6.95.10.1240.113-0.0030.1620.1660.0540.0920.0060.12-0.3450.4310.1570.1320.1730.0040.2130.210.2100.2020.2130.1930.1490.1950.1960.1930.190.1910.1560.1520.162
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value2527000.02741000.02772000.02868000.03019900.03242700.03322900.03553600.03701500.03906600.04082900.04164400.04464500.04835700.04901700.05218900.05508000.06310200.06637200.06753700.06917500.07333300.07450900.06838700.05823500.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value74.7872.0861.7159.5858.4857.4550.8549.8749.8349.9244.5444.2943.543.1840.9140.7240.339.0637.237.0136.7936.4534.0720.9813.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

epam:EquityClassifiedAward, epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-354.06518.0024836.0000045375.000000000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.00.0100.00.00.00.00.0100.00.00.00.00.00.00.00.00.0

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value39000.0161000.041624.0512.016633.0235230.01641.08247.031598.0242780.048181.01966.08400.0322320.01939.03215.038892.0380580.05049.017375.08189.0378020.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.0-11758.27.90.0947.10.00.00.00.00.00.00.0710.30.00.00.00.00.00.00.00.0

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value026000.0230.003709.056061.011.07280.0048632.000162.085218.01751.0029960.0138580.000290.0207300.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.0-65.00.00.0225.70.00.00.00.00.00.00.0187.80.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BusinessAcquisition

epam:EquityClassifiedAward, epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU, epam:A2019Acquisitions


Share
Period End2020-12-312020-06-302020-03-31
Value164.024836.024836.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod-46.30.0100.0

epam:EquityClassifiedAward, epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU, epam:A2020Acquisitions


Share
Period End2020-12-31
Value482.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod-136.2

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU, epam:A2020Acquisitions


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value-201.007274.011927.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod56.80.00.048.0

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU, epam:A2020Acquisitions


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value264.003682.06054.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod-74.60.00.024.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod epam:AwardClassification, epam:AwardMetric, us-gaap:AwardType, us-gaap:BusinessAcquisition

epam:EquityClassifiedAward, epam:ServicePeriod, us-gaap:RestrictedStockUnitsRSU, epam:Other2021Acquisitions


Share
Period End2021-06-30
Value11000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0

epam:EquityClassifiedAward, epam:ServicePeriod, us-gaap:RestrictedStockUnitsRSU, epam:PolSourceSA


Share
Period End2021-06-30
Value17000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BusinessAcquisition

epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU, epam:Other2021Acquisitions


Share
Period End2021-06-30
Value1000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0

epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU, epam:PolSourceSA


Share
Period End2021-06-30
Value1000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value15996792937321713138.15
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits us-gaap:BalanceSheetLocation

us-gaap:UnrecognizedTaxBenefits

epam:IncomeTaxesPayableNoncurrent


Unrecognized
Period End2020-12-312019-12-312018-12-31
Value3300000.02904000.01432000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value5485000.03877000.03189000.0924000.000149000.00489000.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.00.00.0100.00.0100.0

Proceeds From Sale Of Short Term Investments

us-gaap:ProceedsFromSaleOfShortTermInvestments

us-gaap:ProceedsFromSaleOfShortTermInvestments


Proceeds
Period End2021-06-302021-03-31
Value0.060
Percentage of ProceedsFromSaleOfShortTermInvestments0.0100.0

epam:IncreaseDecreaseinOperatingLeaseLiabilities

epam:IncreaseDecreaseinOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-16211000.0-16065000.0-17430000.0-16166000.0-15211000.0-15646000.0-14189000.0-13525000.0-12530000.0-13175000.00000
Percentage of IncreaseDecreaseinOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

epam:IncreaseDecreaseinTradeReceivablesandContractAssets

epam:IncreaseDecreaseinTradeReceivablesandContractAssets


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7889-15.319-39.581512.5012648
Percentage of IncreaseDecreaseinTradeReceivablesandContractAssets100.0100.0100.0100.0100.0100.0100.0100.0

epam:NetIncomeLossAvailableToCommonStockholdersBasicandDiluted

epam:NetIncomeLossAvailableToCommonStockholdersBasicandDiluted


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value109858966857467586059655064-30.874423723242624232722191418191417
Percentage of NetIncomeLossAvailableToCommonStockholdersBasicandDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:OperatingLeaseLiabilityModification

epam:OperatingLeaseLiabilityModification


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.813-1.0660.14211-8.5624.5733.7413.1998.358-5.106
Percentage of OperatingLeaseLiabilityModification100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:RightofUseAssetModifiedOperatingLease

epam:RightofUseAssetModifiedOperatingLease


Rightof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.813-1.0660.13211-8.5664.5843.7413.2338.324-5.174
Percentage of RightofUseAssetModifiedOperatingLease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:AwardType

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:RestrictedStockUnitsRSU


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.631310.2941.169151.090.36313
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:AwardType, us-gaap:StatementEquityComponents

us-gaap:RestrictedStockUnitsRSU, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.631310.2941.169151.090.36313
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetAcquisitionConsiderationTransferredContingentConsideration us-gaap:BusinessAcquisition

us-gaap:AssetAcquisitionConsiderationTransferredContingentConsideration

epam:PolSourceSA


Asset
Period End2021-04-02
Value25
Percentage of AssetAcquisitionConsiderationTransferredContingentConsideration100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2021-06-30
Value400000.0
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

epam:PolSourceSA


Business
Period End2021-04-02
Value136
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable epam:AwardMetric, us-gaap:AwardType, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

epam:OperationalTargetsAndServiceBased, us-gaap:RestrictedStockUnitsRSU, epam:TwoAcquisitions, us-gaap:SubsequentEvent


Business
Period End2021-08-05
Value2.3
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

epam:PerformanceTargets, us-gaap:RestrictedStock, epam:TwoAcquisitions, us-gaap:SubsequentEvent


Business
Period End2021-08-05
Value12
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable521.7

epam:PerformanceTargets, us-gaap:RestrictedStockUnitsRSU, epam:TwoAcquisitions, us-gaap:SubsequentEvent


Business
Period End2021-08-05
Value35
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable1534.8

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:AwardType, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PhantomShareUnitsPSUs, epam:PolSourceSA, us-gaap:SubsequentEvent


Business
Period End2021-04-02
Value2.2
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0

us-gaap:RestrictedStockUnitsRSU, epam:PolSourceSA, us-gaap:SubsequentEvent


Business
Period End2021-04-02
Value12
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0

us-gaap:RestrictedStockUnitsRSU, epam:TwoBusinessAcquisitions, us-gaap:SubsequentEvent


Business
Period End2021-05-06
Value9.6
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual


Business
Period End2021-06-30
Value16
Percentage of BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual100.0

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual us-gaap:BusinessAcquisition

epam:Other2021Acquisitions


Business
Period End2021-06-30
Value2.0
Percentage of BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual12.0

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed us-gaap:ConsolidationItems

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed

us-gaap:MaterialReconcilingItems


Business
Period End2021-06-302021-03-312020-06-302020-03-31
Value2099000.01933000.0148000.0468000.0
Percentage of BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed100.0100.0100.0100.0

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed us-gaap:StatementBusinessSegments

us-gaap:MaterialReconcilingItems


Business
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-243000.0-148000.0-468000.0-1269000.0-1144000.0-850000.0-511000.0
Percentage of BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed0.0-100.0-100.00.00.00.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-30
Value3.3110.4391.3256.50.140.610.2581.808
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod


Contract
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
Value11150.2819.105-3.6695.8140.7674.9157.6931.704-0.8913.615.4525.404
Percentage of ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value20171615151412111110109.3198.9628.1767.6967.1747.026.6726.2375.9256.1235.1024.8994.3933.9034.22.8335.515.4513.6893.7433.9063.8543.6173.2083.042.4232.2111.8062.0831.9591.69
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument, us-gaap:CostOfSales


Derivative
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value-1094000.0-1851000.0-660000.0848000.0342000.0-452000.0-1604000.0-937000.0000
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
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
Value8.095-11.856191.88910-22.0099.283-8.0011.70.548-5.58-1.015-10.6853.041.3414.5232.962.952
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value21219.1658.129114.2284.741116.0675.444.690.8552.624.1381.695
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues us-gaap:BusinessAcquisition, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues

epam:A2020Acquisitions, us-gaap:FairValueInputsLevel3


Fair
Period End2020-12-31
Value0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues0.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:IncomeStatementLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease

us-gaap:FairValueInputsLevel3, us-gaap:OtherNonoperatingIncomeExpense


Fair
Period End2021-06-302021-03-31
Value-692000.0-4944000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:FairValueInputsLevel3


Fair
Period End2020-12-31
Value-1.75
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
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
Value-4693000.02299000.0-7920000.05896000.0-9167000.06524000.0-1898000.0-3105000.0-3562000.0-3484000.0-582000.0-514000.01830000.0-247000.0-1772000.0-77000.01562000.0-2955000.0-6765000.0-1728000.0-2295000.0-1290000.01559000.032000.0-465000.0-5754000.01123000.0-718000.0-1239000.0-1241000.0-712000.0-720000.0-869000.0-499000.0-135000.0-635000.0-1394000.080000.0-500000.0-2301000.0-703000.0-134000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value743000.0-1051000.04117000.02248000.0845000.0-3515000.03182000.0-2364000.0-376000.0875000.0-561000.0-80000.0-2158000.01001000.0564000.01133000.0996000.01002000.0-2000000.0-505000.0-663000.0795000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

epam:EuropeSegment


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value526000.0-692000.03617000.02003000.0618000.0-3078000.02945000.0-2051000.0-538000.0875000.0-389000.0-172000.0-1888000.01016000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss70.865.887.989.173.187.692.686.8143.1100.069.3215.087.5101.5

epam:NorthAmericaSegment


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value207000.0-353000.0484000.0275000.0196000.0-373000.0225000.0-307000.0162000.00-172000.092000.0-270000.0-15000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss27.933.611.812.223.210.67.113.0-43.10.030.7-115.012.5-1.5

epam:RussiaSegment


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value10000.0-6000.016000.0-30000.031000.0-64000.012000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss1.30.60.4-1.33.71.80.4

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:GoodwillPurchaseAccountingAdjustments


Goodwill
Period End2021-06-302021-03-312015-03-31
Value0-24000.0-77000.0
Percentage of GoodwillPurchaseAccountingAdjustments0.0100.0100.0

us-gaap:GoodwillPurchaseAccountingAdjustments us-gaap:BusinessAcquisition

epam:Other2019Acquisitions


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-31
Value188000.0-288000.0411000.0188000.0
Percentage of GoodwillPurchaseAccountingAdjustments0.00.00.00.0

epam:TestIOGmbh


Goodwill
Period End2020-09-30
Value0
Percentage of GoodwillPurchaseAccountingAdjustments0.0

us-gaap:GoodwillPurchaseAccountingAdjustments us-gaap:BusinessAcquisition, us-gaap:StatementBusinessSegments

epam:Other2019Acquisitions, epam:EuropeSegment


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-31
Value188000.0-120000.0233000.0-42000.0
Percentage of GoodwillPurchaseAccountingAdjustments0.00.00.00.0

epam:Other2019Acquisitions, epam:NorthAmericaSegment


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-31
Value0-154000.0163000.0210000.0
Percentage of GoodwillPurchaseAccountingAdjustments0.00.00.00.0

epam:Other2019Acquisitions, epam:RussiaSegment


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-31
Value0-14000.015000.020000.0
Percentage of GoodwillPurchaseAccountingAdjustments0.00.00.00.0

epam:TestIOGmbh, epam:EuropeSegment


Goodwill
Period End2020-09-30
Value0
Percentage of GoodwillPurchaseAccountingAdjustments0.0

epam:TestIOGmbh, epam:NorthAmericaSegment


Goodwill
Period End2020-09-30
Value0
Percentage of GoodwillPurchaseAccountingAdjustments0.0

us-gaap:GoodwillPurchaseAccountingAdjustments us-gaap:StatementBusinessSegments

epam:EuropeSegment


Goodwill
Period End2021-06-302021-03-31
Value0-24000.0
Percentage of GoodwillPurchaseAccountingAdjustments0.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value9.058-15.832936-11.2725.437303116-51.079322515-31.47182215-18.484135.042.116-34.09815156.214-10.3745.1468.5185.736-7.908111.873-0.601-12.0945.4933.1988.7044.566
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInAccruedTaxesPayable


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-14.338-25.909-0.7977.046-9.062-3.898-6.467-16.04519-2.101-3.7433.84872-6.666-2.9277.1352.883.231-0.667-3.17317-3.9757.049-11.873113.2375.502-3.7043.0042.2473.067-5.2446.8561.166-0.351-2.1731.6172.0120.315-0.518
Percentage of IncreaseDecreaseInAccruedTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-786000.08581000.0-2722000.0-3045000.0-10962000.09746000.07392000.01453000.0-1289000.0-401000.06667000.0-2730000.0-3128000.07623000.0831000.0-3700000.0-815000.079000.04161000.0824000.0-1577000.01383000.0603000.0-7964000.07983000.0-48000.0-40000.0475000.0-61000.0-939000.0835000.0-441000.0-1084000.0103000.02582000.0-288000.0-1669000.0714000.01713000.0-3081000.03502000.0-440000.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2548000.02608000.02549.02732200.02545500.02855800.0-15061.02966700.02932300.02991300.0-64299.03111000.03069900.03162000.002684000.02949000.02930700.0-80970.02733000.03060000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value19191920192222191716
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermPurchaseCommitmentAmount us-gaap:StatementGeographical, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:LongTermPurchaseCommitmentAmount

country:UA, us-gaap:CapitalAdditions


Long
Period End2021-06-302021-03-312020-12-31
Value0.0360.0
Percentage of LongTermPurchaseCommitmentAmount0.0100.00.0

us-gaap:NonoperatingGainsLosses

us-gaap:NonoperatingGainsLosses


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2580000.05374000.0-2053000.01672000.01817000.02386000.01950000.02509000.01190000.03076000.01080000.01941000.01052000.0-551000.01799000.01416000.0802000.0584000.0
Percentage of NonoperatingGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.271-7.34610-11.428
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0

us-gaap:OperatingLeaseCost us-gaap:IncomeStatementLocation

us-gaap:OperatingLeaseCost

us-gaap:SellingGeneralAndAdministrativeExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17171718181817161513
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17171817161616141414
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1515151617161514
Percentage of OperatingLeaseRightOfUseAssetAmortizationExpense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value9.637-10.53112-28.519
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value12-13.58115-35.332
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value2040000.0-4081000.06446000.0-9368000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value11-15.23818-37.887
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-31
Value0.0-0.626
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.04.1

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.04-4.0816.446-9.368
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent17.526.834.124.7

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value11-15.23818-37.887
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value9.637-10.53112-28.519
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent82.569.165.975.3

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-31
Value0626000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax0.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-31
Value0-185000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent10.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value602000.0-1199000.01871000.0-2720000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent10.0648.10.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value2451000.0-3050000.03490000.0-6813000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent10.01648.60.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument, us-gaap:OtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-650000.08317000.0-12087000.01769000.0-2791000.01984000.03999000.0-602000.0-86000.0-2696000.090000.000
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherDepreciationAndAmortization

us-gaap:OtherDepreciationAndAmortization


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2017161515141211
Percentage of OtherDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherExpenses us-gaap:ConsolidationItems

us-gaap:OtherExpenses

us-gaap:MaterialReconcilingItems


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value129.2785.5268.232
Percentage of OtherExpenses100.0100.0100.0100.0

us-gaap:OtherExpenses us-gaap:StatementBusinessSegments

us-gaap:MaterialReconcilingItems


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value105.5268.232206.3436.8973.3692.5293.5143.125.2732.4046.2045.574.9232.922.2042.5072.1824.9383.5133.7522.234-0.532.848-1.8692.4393.0761.736-2.055
Percentage of OtherExpenses0.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value264000.04926000.0-3571000.01233000.01435000.0-5893000.02758000.0-3584000.0-3418000.0-520000.0-1722000.01335000.0117000.01982000.0514000.01946000.02201000.0-651000.0-4394000.0-831000.0-953000.0-50000.0-1525000.0-273000.02879000.0-4964000.01872000.0-271000.0-2042000.0-294000.0-59000.0-1000.0-553000.0-586000.036000.0-110000.0-517000.0657000.0-260000.0-611000.0-303000.0397000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities


Payment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-865000.0007869000.0001104000.0000
Percentage of PaymentForContingentConsiderationLiabilityFinancingActivities100.00.00.0100.00.00.0100.00.00.00.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value512000.0-691000.0-566000.0-426000.0-97000.071000.0107000.0452000.01044000.05136000.0-772000.01601000.0-148000.018000.0148000.01114000.0227000.0-37000.0-1417000.0420000.0941000.0061000.01074000.0653000.0266000.0424000.0517000.0505000.0294000.0937000.01873000.02338000.02834000.000
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value303.3043.9190.314141.0180.9821.437111.2080.6790.3726.590.1060.1060.3860.0082.6940.5390.00.00.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireBusinessesGross

epam:PolSourceSA, us-gaap:SubsequentEvent


Payments
Period End2021-04-02
Value111
Percentage of PaymentsToAcquireBusinessesGross100.0

epam:TwoAcquisitions, us-gaap:SubsequentEvent


Payments
Period End2021-08-05
Value53
Percentage of PaymentsToAcquireBusinessesGross0.0

epam:TwoBusinessAcquisitions, us-gaap:SubsequentEvent


Payments
Period End2021-05-06
Value13
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.06.3152.234101012160.0240.00.0500.00.06.840.01.0011.9842.5150.049270.00.03100.0242.4190.00.00.020.0250.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.00.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.00.00.0100.00.0100.00.0

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1.51.0440.00.00.5200.00.0
Percentage of PaymentsToAcquireInterestInSubsidiariesAndAffiliates100.0100.00.00.0100.0100.00.00.0

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherInvestments


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value600.04020-5.05.0
Percentage of PaymentsToAcquireOtherInvestments100.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-123000.0260000.07000.0-4000.0-15000.0-9000.0-5000.0-6000.0-4000.0-9000.000-603000.00-19000.0-58000.0-864000.00000135000.00000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.00.00.00.00.0100.00.00.00.00.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value114.3733.3835.883106.858.2056.38311112.8389.639147.5889.6696.55827102.1463.2729.473.1083.0683.652103.8553.7631.3953.2742.1391.5172.432.8432.512.4562.2470.220.0280.0
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
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-97000.02925000.0-541000.0-380000.0455000.02719000.01486000.0-34000.0300000.0-133000.0-917000.0236000.01330000.0199000.0-28000.0-23000.0619000.0-517000.0-151000.0-40000.01178000.0552000.0794000.0209000.0187000.0514000.0379000.0177000.0401000.0368000.0-653000.0185000.0642000.0161000.0197000.0366000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Reclassification
Period End2021-06-302021-03-31
Value0811000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent0.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1371000.0-2066000.01851000.0660000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent0.0-254.70.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.6390.0385.7442.277113140144012
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value12000.06000.013554.07320.016288.011838.08626.016262.08973.09769.010419.012184.014059.013401.025681.016558.017911.019036.010945.07019.012062.01672.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value894.0650.02091.01365.01771.02208.0995.01653.01670.02237.02229.02532.02874.03457.03586.0616.0798.0915.01254.0118.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod6.68.912.811.520.513.611.116.916.018.415.918.911.220.920.03.27.313.010.47.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value49.2179.087.782.579.14128.622.528.4912.3791.074.384.695.372.6-0.080.862.0767.45-0.540.034.1866.77
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value73.01148.681.363.69-2.12111.010.043.214.7386.792.212.694.1672.340.070.031.170.5200070.52
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue148.483.017.5143.6-23.286.31.637.838.295.350.557.478.599.6-87.53.553.1104.6-0.00.00.0105.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

epam:EquityClassifiedAward, epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value032.630177.810000121.7500000000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.0100.00.00.00.00.0100.00.00.00.00.00.00.00.00.0

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value10.11387.5124.180.211.39178.790.040.320.98168.951.490.130.3113.920.10.090.4373.27-0.07-0.04-0.0270.52
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.00.60.0100.60.00.00.00.00.00.00.093.60.00.00.00.00.00.00.00.0

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.1387.741.40-1.22181.590.010.990169.13000.02112.630.2900.6573.27000.0170.52
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.00.00.0102.10.00.00.00.00.00.00.092.50.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value603.0397.0000396.00001047.00014965.01045.0134840.01437.028355.0651.0122570.04957.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value20000.0248000.018669.03459.020968.0273900.013535.017216.013489.0242410.02537.012694.016242.0186330.05020.017004.01836.0116180.01403.08264.01848.029500.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.00.03096.0871.30.00.00.04347.50.00.00.01212.40.00.033.51627.21.48085.14.91269.41.5595.1

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6000.077000.0601.02622.06811.0111970.0631.007110.0102900.0632.007376.083676.003.073.051928.00000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.00.099.7660.50.00.00.00.00.00.00.00.00.00.00.00.30.13613.60.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType, us-gaap:StatementEquityComponents

us-gaap:RestrictedStockUnitsRSU, us-gaap:CommonStock


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value19000.0248000.04696.018649.0273900.017216.011757.0242410.012694.012348.0186330.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.00.01182.90.00.04347.50.00.01212.40.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value063.100063.100047.76000.470.0422.2420.641.12-0.0124.1617.37
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.24129.611.560.582.47104.261.410.330.6785.380.010.190.7969.110.530.74-0.0565.320.584.221.049.8
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.00.00.00.90.00.00.00.50.00.00.00.40.00.0112.81850.0-0.2316.551.8-42200.04.1286.7

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-3.29119.40.171.88-0.7490.080.170-0.2180.550.2700.472.0200070.560000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.00.00.03.00.00.00.00.00.00.00.00.00.00.00.00.00.0341.90.0-0.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-31
Value2000.03000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-31
Value46.4180.85
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value7000.081000.010649.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BusinessAcquisition

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU, epam:PolSourceSA


Share
Period End2021-06-30
Value5000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value7.0540.71-0.97
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value7.6387.9311.55
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:AwardType, us-gaap:StatementEquityComponents

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:RestrictedStockUnitsRSU, us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6000.084000.0-1015.0-5522.0-89990.0-5961.0-2084.0-81562.0-2683.0-1942.0-61950.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermLeaseCost us-gaap:IncomeStatementLocation

us-gaap:ShortTermLeaseCost

us-gaap:SellingGeneralAndAdministrativeExpenses


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value336000.0178000.0180000.0180000.0269000.0540000.0881000.01085000.01006000.0898000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:EmployeeStockOption


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value219000.0109000.0107100.0151700.0223720.0217480.0230690.0139770.0205110.0323460.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:CommonStock


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
Value219000.0109000.0151900.0223720.0217480.0139770.0205110.0323460.0296570.0367860.0198940.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.1100.0100.0100.0100.0100.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


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
Value114.4245.735107.1416.32610119.561147.649
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

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
Value114.4245.735107.146.32610119.561147.649
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost us-gaap:IncomeStatementLocation

us-gaap:VariableLeaseCost

us-gaap:SellingGeneralAndAdministrativeExpenses


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1656000.02260000.01805000.01442000.0579000.02635000.02195000.02439000.01999000.02097000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-02-122020-10-31
Value5655
Percentage of EntityCommonStockSharesOutstanding100.0100.0

epam:BusinessAcquisitionPurchasePriceIncludingFairValueofContingentConsideration us-gaap:BusinessAcquisition

epam:BusinessAcquisitionPurchasePriceIncludingFairValueofContingentConsideration

epam:A2020Acquisitions


Business
Period End2020-12-312020-09-30
Value2222
Percentage of BusinessAcquisitionPurchasePriceIncludingFairValueofContingentConsideration100.0100.0

epam:Other2021Acquisitions


Business
Period End2021-06-30
Value17
Percentage of BusinessAcquisitionPurchasePriceIncludingFairValueofContingentConsideration0.0

epam:BusinessCombinationNumberOfSpecialistsInAcquiredEntity us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

epam:BusinessCombinationNumberOfSpecialistsInAcquiredEntity

epam:PolSourceSA, us-gaap:SubsequentEvent


Business
Period End2021-04-02
Value350.0
Percentage of BusinessCombinationNumberOfSpecialistsInAcquiredEntity100.0

epam:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill us-gaap:BusinessAcquisition

epam:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill

epam:PolSourceSA


Business
Period End2021-04-02
Value146
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill100.0

epam:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedpropertyPlantAndEquipmentAndOtherNoncurrentAssets us-gaap:BusinessAcquisition

epam:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedpropertyPlantAndEquipmentAndOtherNoncurrentAssets

epam:PolSourceSA


Business
Period End2021-04-02
Value422000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedpropertyPlantAndEquipmentAndOtherNoncurrentAssets100.0

epam:DeferredTaxAssetUnrealizedCurrencyLossAndOtherComprehensiveLoss

epam:DeferredTaxAssetUnrealizedCurrencyLossAndOtherComprehensiveLoss


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value4890000.02499000.05772000.00
Percentage of DeferredTaxAssetUnrealizedCurrencyLossAndOtherComprehensiveLoss100.0100.0100.00.0

epam:DeferredTaxAssetsOperatingLeaseLiability

epam:DeferredTaxAssetsOperatingLeaseLiability


Deferred
Period End2020-12-312019-12-312018-12-31
Value517.4380.0
Percentage of DeferredTaxAssetsOperatingLeaseLiability100.0100.00.0

epam:DeferredTaxLiabilitiesOperatingRightOfUseAssets

epam:DeferredTaxLiabilitiesOperatingRightOfUseAssets


Deferred
Period End2020-12-312019-12-312018-12-31
Value506.90.0
Percentage of DeferredTaxLiabilitiesOperatingRightOfUseAssets100.0100.00.0

epam:DeferredTaxLiabilityDisregardedForeignSubsidiaries

epam:DeferredTaxLiabilityDisregardedForeignSubsidiaries


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1608000.003000000.00
Percentage of DeferredTaxLiabilityDisregardedForeignSubsidiaries100.00.0100.00.0

epam:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour

epam:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour


Lessee
Period End2021-06-302021-03-31
Value5150
Percentage of LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour100.0100.0

epam:OperatingLossCarryforwardSubjecttoValuationAllowance us-gaap:IncomeTaxAuthority

epam:OperatingLossCarryforwardSubjecttoValuationAllowance

us-gaap:ForeignCountry


Operating
Period End2020-12-31
Value22
Percentage of OperatingLossCarryforwardSubjecttoValuationAllowance100.0

epam:OtherShortTermInvestmentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

epam:OtherShortTermInvestmentsFairValueDisclosure

us-gaap:BankTimeDeposits, us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Other
Period End2020-12-31
Value60
Percentage of OtherShortTermInvestmentsFairValueDisclosure100.0

epam:OtherShortTermInvestmentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:BankTimeDeposits, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Other
Period End2020-12-31
Value60
Percentage of OtherShortTermInvestmentsFairValueDisclosure100.0

us-gaap:BankTimeDeposits, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Other
Period End2020-12-31
Value60
Percentage of OtherShortTermInvestmentsFairValueDisclosure100.0

epam:OtherShortTermInvestmentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:BankTimeDeposits, us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2020-12-312020-09-302020-06-30
Value606060
Percentage of OtherShortTermInvestmentsFairValueDisclosure100.00.00.0

epam:OtherShortTermInvestmentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:BankTimeDeposits, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2020-12-312020-09-302020-06-30
Value606060
Percentage of OtherShortTermInvestmentsFairValueDisclosure100.00.00.0

us-gaap:BankTimeDeposits, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2020-12-312020-09-302020-06-30
Value606060
Percentage of OtherShortTermInvestmentsFairValueDisclosure100.00.00.0

epam:RestrictedCashandCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

epam:RestrictedCashandCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Restricted
Period End2020-12-312020-09-302020-06-302019-12-312018-12-31
Value1390000.01158000.01157000.01136000.01151000.0
Percentage of RestrictedCashandCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Restricted
Period End2021-06-302021-03-312020-12-31
Value1816000.01465000.01390000.0
Percentage of RestrictedCashandCashEquivalentsFairValueDisclosure0.00.0100.0

epam:RestrictedCashandCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Restricted
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1390000.01158000.01157000.01150000.01136000.01151000.0
Percentage of RestrictedCashandCashEquivalentsFairValueDisclosure100.0100.0100.00.0100.0100.0

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Restricted
Period End2021-06-302021-03-312020-12-31
Value1816000.01465000.01390000.0
Percentage of RestrictedCashandCashEquivalentsFairValueDisclosure0.00.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Restricted
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1390000.01158000.01157000.01150000.01136000.01151000.0
Percentage of RestrictedCashandCashEquivalentsFairValueDisclosure100.0100.0100.00.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Restricted
Period End2021-06-302021-03-312020-12-31
Value1816000.01465000.01390000.0
Percentage of RestrictedCashandCashEquivalentsFairValueDisclosure0.00.0100.0

epam:TradeReceivablesAndContractAssetsAfterAllowanceForCreditLossCurrent

epam:TradeReceivablesAndContractAssetsAfterAllowanceForCreditLossCurrent


Trade
Period End2021-06-302021-03-312020-12-31
Value682585501
Percentage of TradeReceivablesAndContractAssetsAfterAllowanceForCreditLossCurrent100.0100.0100.0

epam:TradeReceivablesAndContractAssetsAllowanceForCreditLossCurrent

epam:TradeReceivablesAndContractAssetsAllowanceForCreditLossCurrent


Trade
Period End2021-06-302021-03-312020-12-31
Value7647000.07575000.04886000.0
Percentage of TradeReceivablesAndContractAssetsAllowanceForCreditLossCurrent100.0100.0100.0

epam:TradeReceivablesandContractAssetsAllowanceforCreditLossCurrent

epam:TradeReceivablesandContractAssetsAllowanceforCreditLossCurrent


Trade
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4886000.05371000.06070000.05356000.02920000.01557000.0
Percentage of TradeReceivablesandContractAssetsAllowanceforCreditLossCurrent100.0100.0100.0100.0100.0100.0

epam:TradeReceivablesandContractAssetsafterAllowanceforCreditLossCurrent

epam:TradeReceivablesandContractAssetsafterAllowanceforCreditLossCurrent


Trade
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value501493506542497402
Percentage of TradeReceivablesandContractAssetsafterAllowanceforCreditLossCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedIncomeTaxesNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value4143434343454543434343505662590.00.00.01.2281.2281.2281.2281.2281.2281.2281.2281.2181.2111.204
Percentage of AccruedIncomeTaxesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesAndOtherLiabilities


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value109757965626682127894963
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312014-12-312013-12-31
Value3.0491.5434.9550.9360.9320.0551.911.1892.6891.0670.1810.1140.0840.09300.1561.711
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312014-12-312013-12-31
Value3.0491.5434.9550.9360.9320.0551.911.1892.6891.0670.1810.1140.0840.090.0236227177
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0776.5145644.210362.8

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

epam:A2020Acquisitions


Business
Period End2020-12-312020-09-30
Value1818
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0100.0

epam:Other2021Acquisitions


Business
Period End2021-06-30
Value10
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


Business
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7.1193.8768.390.00.0
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.00.00.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition

epam:A2020Acquisitions


Business
Period End2020-12-312020-09-30
Value5.35.292
Percentage of BusinessCombinationContingentConsiderationLiability74.40.0

epam:Other2021Acquisitions


Business
Period End2021-06-30
Value3.4
Percentage of BusinessCombinationContingentConsiderationLiability0.0

epam:PolSourceSA


Business
Period End2021-04-02
Value45
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

epam:PolSourceSA, us-gaap:SubsequentEvent


Business
Period End2021-04-02
Value45
Percentage of BusinessCombinationContingentConsiderationLiability0.0

epam:TwoAcquisitions, us-gaap:SubsequentEvent


Business
Period End2021-08-05
Value18
Percentage of BusinessCombinationContingentConsiderationLiability0.0

epam:TwoBusinessAcquisitions, us-gaap:SubsequentEvent


Business
Period End2021-05-06
Value10
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2020-12-312019-12-312018-12-31
Value7.47107.468
Percentage of BusinessCombinationContingentConsiderationLiability104.9270.889.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2020-12-312019-12-312018-12-31
Value7.47107.468
Percentage of BusinessCombinationContingentConsiderationLiability104.9270.889.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent


Business
Period End2020-12-312019-12-312018-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1.125101.5010.80.00.00.033350.0
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent100.0100.0100.0100.00.00.00.0100.0100.00.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput us-gaap:BusinessAcquisition, us-gaap:MeasurementInputType

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput

epam:PolSourceSA, us-gaap:MeasurementInputDiscountRate


Business
Period End2021-03-31
Value0.4
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value292.5267.475.9134.7055.705109.5727.727.6257.468
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value292.5267.475.9134.7055.705109.5727.727.6257.468
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

epam:PolSourceSA


Business
Period End2021-04-02
Value2565000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets

epam:PolSourceSA


Business
Period End2021-04-02
Value756000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

epam:PolSourceSA


Business
Period End2021-04-02
Value13
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

epam:PolSourceSA


Business
Period End2021-04-02
Value5247000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

epam:A2020Acquisitions


Business
Period End2020-12-312020-09-30
Value7.37.28
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0100.0

epam:Other2021Acquisitions


Business
Period End2021-06-30
Value5.1
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill0.0

epam:PolSourceSA


Business
Period End2021-04-02
Value15
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

epam:PolSourceSA


Business
Period End2021-06-30
Value15
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

epam:PolSourceSA, us-gaap:CustomerRelationships


Business
Period End2021-06-30
Value14
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles94.1

epam:PolSourceSA, us-gaap:TradeNames


Business
Period End2021-06-30
Value0.9
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles5.9

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

epam:PolSourceSA


Business
Period End2021-04-02
Value9.544
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

epam:PolSourceSA


Business
Period End2021-04-02
Value4297000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

epam:PolSourceSA


Business
Period End2021-04-02
Value136
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-31
Value116135153
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:MoneyMarketFunds, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-31
Value116135153
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:MoneyMarketFunds, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-31
Value116135153
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value153171189334407282
Percentage of CashAndCashEquivalentsFairValueDisclosure100.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:MoneyMarketFunds, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value153171189334407282
Percentage of CashAndCashEquivalentsFairValueDisclosure100.00.00.00.00.00.0

us-gaap:MoneyMarketFunds, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value153171189334407282
Percentage of CashAndCashEquivalentsFairValueDisclosure100.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value153171189334407770584535582512443398362199
Percentage of CashAndCashEquivalentsFairValueDisclosure100.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-31
Value116135153
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value153171189334417770584535582512443398362199
Percentage of CashAndCashEquivalentsFairValueDisclosure100.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-31
Value116135153
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value153171189334417770584535582512443398362199
Percentage of CashAndCashEquivalentsFairValueDisclosure100.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-31
Value116135153
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:ContractWithCustomerAssetGross us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerAssetGross

us-gaap:TradeAccountsReceivable


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value29197.72112161413
Percentage of ContractWithCustomerAssetGross100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerLiability

us-gaap:AccountsPayableAndAccruedLiabilities


Contract
Period End2021-06-302021-03-312020-12-31
Value202217
Percentage of ContractWithCustomerLiability100.0100.0100.0

us-gaap:OtherCurrentLiabilities


Contract
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value171211119.1324.9546.3218.6964.5583.3765.3988.4774.498
Percentage of ContractWithCustomerLiability100.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNoncurrentLiabilities


Contract
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.2070.3290.0940.0050.0010.0030.1460.2240.0
Percentage of ContractWithCustomerLiability1.01.50.50.00.00.00.00.00.0

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType, us-gaap:BalanceSheetLocation

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU, epam:AccruedCompensationAndBenefitsExpenses


Deferred
Period End2020-12-312019-12-31
Value2621
Percentage of DeferredCompensationShareBasedArrangementsLiabilityCurrent100.0100.0

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU, epam:AccruedCompensationandBenefitsExpenses


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value131526189.1228.25321
Percentage of DeferredCompensationShareBasedArrangementsLiabilityCurrent0.00.0100.00.00.00.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value96909290787975
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value702612129.1245.3398.8773.902
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenue

us-gaap:DeferredRevenue


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value179.1324.5584.4983.3193.047
Percentage of DeferredRevenue100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value9796000.03510000.05802000.01280000.01165000.02162000.04328000.02050000.01583000.01847000.0
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value827000.0574000.01262000.01456000.01525000.01428000.03789000.04532000.04737000.0514000.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value165100822937
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6089000.05168000.04983000.05069000.05368000.05233000.0844000.00
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1252000.01533000.0782000.01415000.017000.014000.030000.0680000.01214000.0862000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8164000.05329000.04531000.0170000.0203000.0681000.0181000.0732000.0703000.0771000.0
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312018-12-31
Value2168000.03491000.00
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3029271619126.9940.4070.4131.226
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost epam:GrowthDriver

epam:BusinessAcquisitionsgrowthdriver


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.16.7887.5618.512117.219
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost20.322.927.452.658.257.8

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5041324.3929.172101.2823.4884.0422.412
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value991000.02176000.01540000.01352000.0500000.0511000.0635000.0846000.0737000.02453000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value12115.5823.0774.9691.5980.0
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1095000.0812000.0933000.0239000.0314000.0912000.024000.0254000.00
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.00.0

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
Value3818000.04981000.01480000.01868000.01735000.0646000.0800000.0804000.0742000.0774000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesUnrealizedCurrencyTransactionGains

us-gaap:DeferredTaxLiabilitiesUnrealizedCurrencyTransactionGains


Deferred
Period End2020-12-312019-12-31
Value1153000.0375000.0
Percentage of DeferredTaxLiabilitiesUnrealizedCurrencyTransactionGains100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanFundedStatusOfPlan


Defined
Period End2020-12-312019-12-31
Value-6400000.0-3900000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:BalanceSheetLocation

epam:AccruedCompensationAndBenefitsExpenses


Defined
Period End2020-12-312019-12-31
Value-1000000.0-300000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan15.67.7

us-gaap:OtherNoncurrentLiabilities


Defined
Period End2020-12-312019-12-31
Value-5400000.0-3600000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan84.492.3

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssets

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
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
Value3049000.01543000.04955000.0936000.0932000.055000.01910000.01189000.02689000.01067000.0181000.0114000.084000.090000.0
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring


Derivative
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
Value3049000.01543000.04955000.0936000.0932000.055000.01910000.01189000.02689000.01067000.0181000.0114000.084000.090000.0
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:PrepaidExpensesAndOtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3049000.01543000.04955000.0936000.0932000.055000.01910000.01189000.02689000.01067000.0181000.0114000.084000.00
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:PrepaidExpensesAndOtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-312019-12-31
Value4955000.01910000.0
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:OtherCurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.9752.1110.2433.6893.035100.2431.2910.00.3623.4752.8062.690.0
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilities

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-30
Value0.9752.1110.2433.6893.035100.2431.2910.3623.4752.8062.69
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-30
Value0.9752.1110.2433.6893.035100.2431.2910.3623.4752.8062.69
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value30931529426322325023097673347221315
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions epam:AwardClassification, epam:AwardMetric, epam:AwardSettlementType, us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

epam:EquityClassifiedAward, epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStock


Employee
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.91.01.1371.2360.9341.0021.0410.0070.0290.0890.1440.2140.2770.457
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

epam:EquityClassifiedAward, epam:PerformanceTargets, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.93.64.0962.5692.5260.00.00.00.02.7794.5145.1285.4390.3890.4710.5530.6340.716
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions322.2360.0360.2207.8270.40.00.00.00.00.00.00.00.0437.1327.1258.4228.9156.7

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStock


Employee
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.70.80.8971.1381.2761.4131.540.0260.0320.0380.0440.0560.0680.0810.1580.3651.7833.4445.1846.7678.088
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions77.880.078.992.1136.6141.0147.90.00.00.00.00.00.00.02257.11258.62003.42391.72422.42443.01769.8

epam:EquityClassifiedAward, epam:ServicePeriod, epam:EquitySettledAward, us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1187673838963707880515156593236404522272830
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions13211.17630.06507.66725.39533.56346.16819.40.00.00.00.00.00.00.0519671.4138451.751340.415683.313009.810393.96639.2

epam:LiabilityClassifiedAward, epam:ServicePeriod, epam:CashSettledAward, us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4138323432282728303323292929191718198.842111115
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.04233.33230.03025.42613.43067.62748.32763.10.00.00.00.00.00.00.0253514.363486.222294.46140.35236.04023.53370.5

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions epam:AwardClassification, epam:AwardMetric, us-gaap:AwardType

epam:EquityClassifiedAward, epam:PerformanceTargets, us-gaap:RestrictedStock


Employee
Period End2021-06-30
Value0.8
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.0

epam:EquityClassifiedAward, epam:PerformanceTargets, us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-30
Value2.8
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.0

epam:EquityClassifiedAward, epam:ServicePeriod, us-gaap:RestrictedStock


Employee
Period End2021-06-30
Value0.6
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.0

epam:EquityClassifiedAward, epam:ServicePeriod, us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-30
Value121
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions epam:AwardMetric, us-gaap:AwardType, us-gaap:BusinessAcquisition

epam:PerformanceTargets, us-gaap:RestrictedStockUnitsRSU, epam:A2020Acquisitions


Employee
Period End2020-12-31
Value0.5
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions50.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType, us-gaap:BusinessAcquisition

us-gaap:RestrictedStockUnitsRSU, epam:A2020Acquisitions


Employee
Period End2020-09-30
Value0.698
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions61.4

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeStockOption


Employee
Period End2021-06-302021-03-312020-12-312020-09-30
Value22231515
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0100.0100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount us-gaap:BalanceSheetLocation

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:OtherNoncurrentAssets


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value27262525255.75
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FairValueInputsLevel3