EFX


Line plots across dimensions of each concept
Tables

Table of contents


us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

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

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:MachineryAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:DebtCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensation

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

efx:DividendsPaidToEmployeeBenefitsTrust
us-gaap:StatementEquityComponents

efx:GainLossOnEquityMethodInvestment

efx:IncreaseDecreaseInCurrentLiabilitiesExcludingDebt

efx:IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

efx:IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

efx:PaymentsToAcquireInvestmentsInUnconsolidatedAffiliatesNet

efx:RedeemableNoncontrollingInterestAdjustment
us-gaap:StatementEquityComponents

efx:SharesIssuedUnderStockAndBenefitPlansNetOfMinimumTaxWithholdingsValues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AmortizationOfIntangibleAssets
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:DeferredIncomeTaxesAndTaxCredits
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DepreciationAndAmortization

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:StatementBusinessSegments

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:ProceedsFromShortTermDebt

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

dei:EntityCommonStockSharesOutstanding

efx:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTax

efx:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax

efx:BuildingsLandAndImprovementsGross
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
efx:DeferredCompensationPlanAssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
efx:DeferredCompensationPlanLiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

efx:LongTermDebtCarryingAmount

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CommonStockHeldInTrust

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:Range
us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueNetAssetLiability
us-gaap:FairValueByMeasurementFrequency

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:Range
us-gaap:IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:IndefiniteLivedContractualRights
us-gaap:CreditFacility
us-gaap:LineOfCredit
us-gaap:DebtInstrument

us-gaap:LongTermDebtFairValue

us-gaap:PreferredStockSharesAuthorized

us-gaap:PrepaidExpenseCurrent
us-gaap:BalanceSheetLocation
us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockShares

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock███▁▁▁▁▁▁▁▁▁▁121121121120120120120120120120120120120
us-gaap:CommonStockSharesIssued ▄▄▄▄▄▄▄▄▄▄▄▄▄189189189189189189189189189189189189189
us-gaap:CommonStockSharesOutstanding ███▁▁▁▁▁▁▁▁▁▁121121121120120120120120120120120120120
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄▄▄▄▄▄▄▄▄300300300300300300300300300300300300300
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 122NA122122121NA121121121NA121121121
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 121NA121120120NA120120120NA120120120
us-gaap:EarningsPerShareBasic ▇▆▇▇▁▇▇█▇█▇██0.930.080.670.55-4.60.210.321.20.761.440.81.371.28
us-gaap:EarningsPerShareDiluted ▇▆▇▇▁▇▇█▇█▇██0.920.070.660.55-4.570.210.321.190.751.420.791.361.26
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▅▃▄▂▁▁▃▃▁▁▂▁957905875880846835834876865838834856832
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:OnlineInformationSolutions,efx:UnitedStatesConsumerInformationSolutions252NA233246217NA222224219NA221232NA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:VerificationServices,efx:Workforce220NA185172148NA143149128NA129130NA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:GlobalConsumerSolutions97NA8988948588941039710098NA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:International216NA230229225236235250244244239231NA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:UnitedStatesConsumerInformationSolutions343NA315332298NA308324306NA307331NA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:Workforce301NA240230228205202207211183186194NA
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization █▅▄▄▅▄▄▁414382374376387372376348NANANANANA
us-gaap:CostsAndExpenses ▃▃▂▂█▃▂▂▂▁▂▁▁8228587547661464789770683721647681592615
us-gaap:SellingGeneralAndAdministrativeExpense ▂▂▂▂█▂▂▁▂▁▂▁▁316389295306998337317257300255312228243
us-gaap:OperatingIncomeLoss ▇▆▇▇▁▆▆▇▇▇▇██13547121113-6174664193144190152264216
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:International▂▅▄▃▁▂▂▅▅▆█▇▄15362622111519373640524629
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:UnitedStatesConsumerInformationSolutions107NA9811796NA95126110NA129149129
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:Workforce█▄▄▄▄▂▁▂▃▁▂▃▃133989995968177839073808989
us-gaap:InterestExpense █▇▆▆▅▅▅▅▃▂▁▃▃30292827262626262322212424
us-gaap:OtherNonoperatingIncomeExpense █▂▁▁▁▂▁▁▁▁▁▁▁45622251224433
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▁▇▅▅▇▅▅▃▇▅█▆█-29376-81-5838-63-43-15343-51927113
 us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▄▂▂▃▃▃█▄▃▄▃▄-21-1-1000510101
us-gaap:IncomeTaxExpenseBenefit ▆▅▅▆▁▅▅▆▆▅▆█▆36131420-88-102329-2357540
us-gaap:ProfitLoss ▇▆▇▇▁▇▇█▇█▇██114108268-554263914693174100167155
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▇▆▇▇▁▇▇█▇█▇██11298166-55525381449017296165153
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▇▆▇▇▁▇▇█▇█▇██11298166-55525381449017296165153
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▄▆▆▆▁▅▆▆▇▇▇▇█-17597313-513-380-3140124195177271
 us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▃▁▁▃▁▁█▆▃▇▄▄0200200642533
us-gaap:NetIncomeLoss ▇▆▇▇▁▇▇█▇█▇██11298166-55525381449017296165153
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▁▁▁▁▁▁▁▁▃▃█▃▃1111111122422
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ▆█▅▅▄▃▃▃▄▄▃▃▁7622790974307473733571537134711671967233711570586789
 us-gaap:Assets us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▇█▆▃▆▅▅▅▅▅▂▃▁1318139510757201048103499110359581019613729422
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:International▁▅▃▅▆▄▅▅██▇▅▆2754297728682967304029592983301531743145312330123032
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:UnitedStatesConsumerInformationSolutions▅▄▄█▂▂▂▁▁▁▃▃▃1933192219222285168516541657157315791587176517841800
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,efx:Workforce██▅▁▅▂▂▂▁▁███1338133812951230129812491249124512311227134613381342
us-gaap:Liabilities ██▆▆▅▂▁▁▁▂▂▂▁5193528648714885472439973892383738593994395039763836
us-gaap:LiabilitiesAndStockholdersEquity ▆█▅▅▄▃▃▃▄▄▃▃▁7622790974307473733571537134711671967233711570586789
us-gaap:StockholdersEquity ▁▃▂▂▂▇▇██▇▇▆▅2386257825152543256131073184322232743174310030212888
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AssetsCurrent ▇█▃▂▃▄▄▄▄▅▄▅▁114912098538138649028879489179988991000705
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇█▂▁▁▄▄▆▄▆▆█▁369401167135133223253327249336315403123
us-gaap:AccountsReceivableNetCurrent █▅▄▄▄▂▂▂▃▁▂▂▂605532516502514469467473487444458462459
us-gaap:OtherAssetsCurrent ▁█▂▃▄▄▂▂▃▅▁▂▁531877677110109756083122486346
us-gaap:MachineryAndEquipmentGross ▅▆██▇█▆▄▅▄▂▂▁322325346342338344326309318306294293280
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:PropertyPlantAndEquipmentGross ██▇▆▆▅▄▃▃▂▂▁▁15931540148114101320124411461054995947896859819
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▇▆▅▄▄▃▃▂▂▂▁631593576538502480451417404380368361340
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▆▅▄▃▃▂▂▁▁962947904872818764695636590567528498479
us-gaap:Goodwill ▄█▆▇▄▃▄▃▆▅▄▁▁4157430842274282417041294162413542214184417840634057
 us-gaap:Goodwill us-gaap:StatementBusinessSegments efx:International▁▄▃▄▅▅▅▆█▇▇▆▆1682182917771829186718441874190519941969196319011896
 us-gaap:Goodwill us-gaap:StatementBusinessSegments efx:UnitedStatesConsumerInformationSolutions████▃▃▃▁▁▁▁▁▁1280128012801282112811281129107110711071107110711071
 us-gaap:Goodwill us-gaap:StatementBusinessSegments efx:Workforce██▅▅▅▃▃▃▂▁▁▁▁10101010984984984970970969960952952952952
us-gaap:FiniteLivedIntangibleAssetsNet ▁▂▂▃▃▃▄▄▆▇▇▇█1000104410521104108310991132115412191247127612721312
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass efx:ProprietaryDatabase█▆▅▆▂▂▂▁▁▁▁▁▁124878492353335141413141314
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelationships▁▃▃▄▅▅▅▆███▇▇343367368385395397408421440445443426436
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:Databases▁▂▃▃▄▄▅▅▆▇▇▇█503552558578601612626648681693718722739
us-gaap:OtherAssetsNoncurrent ▆████▂▂▂▂▂▁▁▁259304299305304162160146152142137128140
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:LiabilitiesCurrent ▄▆▇▇▇▂▁▁▇█▆▆▅1143135914911497152382674467715381673133613431201
us-gaap:DebtCurrent ▁▁▄▁▁▁▁▁▇█▆▇▆333723269434888965667794631
us-gaap:AccountsPayableCurrent █▆▅▇██▆▅▄▄▂▁▂170148135156170175139121106110826679
us-gaap:OtherLiabilitiesCurrent ▅▇▅██▁▂▁▁▁▂▁▁590784587899892204220184190209240156183
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:LongTermDebtNoncurrent ██▅▅▅▅▅▅▁▁▂▂▂3505337928342833265626302629262817391739203820382037
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▁▁▃▃▃▄▃▅▇▇▇██114118130134136139135153172175175178181
us-gaap:MinorityInterest ▁▁▁▁▃▂▅▅▇██▆█43444344494757576264656064
us-gaap:OtherLiabilitiesNoncurrent ▇█▇▇█▁▁▁▂▂▂▂▁166180164170178848484103101959186
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ▁▃▂▂▂▇▇██▇▇▆▅2386257825152543256131073184322232743174310030212888
us-gaap:RetainedEarningsAccumulatedDeficit ▂▁▂▁▁███▇▆▄▄▃4196413141704135411547174740474846534600442443764255
us-gaap:TreasuryStockValue ▆▆▆▇▇▇▇████▁▁2553255725602564256725712572257425782577257825052506
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▄▃▄▅▄▅▆▇▇█▇▇-918-631-717-640-585-626-561-522-366-412-311-405-414
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▇▁▇▄▆▆▇▅▇█▇▅30230-16421731164152235119207279225103
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▇▁▅▆▅▇▇▆▆██-136-132-97-303-164-136-175-79-70-123-125-51-49
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▆█▅▅▃▄▃▂▃▁▆▃921312968940-55-51-66-138-60-247107-63
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▇▁▇▄▆▆▇▅▇█▇▅30230-16421731164152235119207279225103
us-gaap:NetIncomeLoss ▇▆▇▇▁▇▇█▇█▇██11298166-55525381449017296165153
us-gaap:ProfitLoss ▇▆▇▇▁▇▇█▇█▇██114108268-554263914693174100167155
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▇▆▇▇▁▇▇█▇█▇██11298166-55525381449017296165153
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▇▆▇▇▁▇▇█▇█▇██11298166-55525381449017296165153
us-gaap:DepreciationDepletionAndAmortization █▆▅▅▃▄▃▃▃▂▂▁▁94888583798077787974737172
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▇▁▅▆▅▇▇▆▆██-136-132-97-303-164-136-175-79-70-123-125-51-49
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▆█▅▅▃▄▃▂▃▁▆▃921312968940-55-51-66-138-60-247107-63
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▂▆▁▂▁▁▁█▁▂▁▁▁125748020050009940100000
us-gaap:RepaymentsOfLongTermDebt ▁▆▁▂▂▁▁▄▁▁█▁▂0200025250010000272050
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:RepaymentsOfLongTermDebt ▁▆▁▂▂▁▁▄▁▁█▁▂0200025250010000272050
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument efx:NotesTwoPointSixZeroPercentDueDecember20240.026NANANANANANANANANANANANA

Common Stock Value

Common Stock Par Or Stated Value Per Share

Shares Outstanding

us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value12112112112012012012012012012012012012011911911911911811811811911912012112212112112101200119120119121122122126126
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Shares Issued

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18918918918918918918918918918918918918918918918918918918918918918918918918918918918901890189189189189189189189189
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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12112112112012012012012012012012012012011911911911911811811811911912012112212112112101200119120119121122123122126
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value30030030030030030030030030030030030030030030030030030030030030030030030030030030030003000300300300300300300300300
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value122122122121121121121121121121121121120120120121123124124123123123122122122123124124125127128
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value121121120120120120120120120120119119118118118119121122122121121120119120120121122122124125126
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.930.080.670.55-4.60.210.321.20.761.440.81.371.281.031.111.10.860.941.00.940.740.820.770.760.690.630.690.750.840.390.650.640.60.620.550.280.470.510.620.570.45
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.920.070.660.55-4.570.210.321.190.751.420.791.361.261.011.091.080.850.930.980.920.730.80.750.750.670.620.670.730.820.380.640.620.580.610.540.280.460.50.610.560.44
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

Income Loss From Continuing Operations Per Diluted Share

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value957905875880846835834876865838834856832
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:EmployerServices, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value815557795858825664
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.56.36.69.47.06.69.66.87.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.56.36.69.47.06.69.66.87.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:EmployerServices efx:Workforce100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:FinancialMarketingServices, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value474551484655454760
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.05.25.85.75.66.35.35.77.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.05.25.85.75.66.35.35.77.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:FinancialMarketingServices efx:UnitedStatesConsumerInformationSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:MortgageSolutions, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value423635323945413838
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.54.24.03.84.75.24.84.64.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.54.24.03.84.75.24.84.64.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:MortgageSolutions efx:UnitedStatesConsumerInformationSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:OnlineInformationSolutions, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value252233246217222224219221232
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.426.628.025.726.725.625.426.527.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.426.628.025.726.725.625.426.527.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:OnlineInformationSolutions efx:UnitedStatesConsumerInformationSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:VerificationServices, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value220185172148143149128129130
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.021.219.617.617.317.014.815.615.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.021.219.617.617.317.014.815.615.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:VerificationServices efx:Workforce100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:GlobalConsumerSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value978988948588941039710098
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.110.210.011.110.210.610.811.911.612.111.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.110.210.011.110.210.610.811.911.612.111.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:GlobalConsumerSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value216230229225236235250244244239231
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.526.326.026.628.328.228.528.229.228.727.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.526.326.026.628.328.228.528.229.228.727.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:International100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value343315332298308324306307331
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.836.037.835.337.037.035.536.938.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.836.037.835.337.037.035.536.938.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:UnitedStatesConsumerInformationSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value301240230228205202207211183186194
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.527.526.127.024.624.223.724.421.922.322.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.527.526.127.024.624.223.724.421.922.322.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:Workforce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, country:CA, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value363939363737353533
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.54.54.34.54.34.14.23.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.54.54.34.54.34.14.23.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:CA efx:International100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:AsiaPacific, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value697775738086828176
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.38.88.68.69.69.89.59.78.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.38.88.68.69.69.89.59.78.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:AsiaPacific efx:International100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:Europe, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value666466686872706968
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.97.47.58.18.28.28.28.38.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.97.47.58.18.28.28.28.38.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:Europe efx:International100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:LatinAmerica, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value434947474854565452
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.55.65.45.65.86.26.56.56.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.55.65.45.65.86.26.56.56.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:LatinAmerica efx:International100.0100.0100.0100.0100.0100.0100.0100.0100.0

Cost Of Goods And Service Excluding Depreciation Depletion And Amortization

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value414382374376387372376348
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.242.342.842.845.844.645.239.8

Cost Of Goods Sold Excluding Depreciation Depletion And Amortization

Cost Of Services

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8228587547661464789770683721647681592615597592585552489493489497459459446432424422428417462411403393384368372363372363354338
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.894.886.187.1173.094.592.377.983.377.281.769.273.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value316389295306998337317257300255312228243240233231243215217218232195197183175181173186174206162158151148139140126137134126109
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.042.933.734.9118.140.538.129.434.730.437.426.729.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13547121113-617466419314419015226421620321222517617617418815416515316715115415015814995132132129125121114109109110105104
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.25.213.912.9-73.05.57.722.116.722.818.330.826.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-133-210-114-135-832-167-139-72-123-76-134-48-63-69-51-46-71-51-46-48-78
Percentage of OperatingIncomeLoss-98.3-448.5-93.8-118.8134.8-364.0-217.9-37.5-85.7-40.1-88.0-18.2-29.1-33.9-24.3-20.4-40.6-28.9-26.9-25.7-50.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.9-23.3-13.0-15.4-98.4-20.1-16.7-8.3-14.3-9.1-16.1-5.6-7.60.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:GlobalConsumerSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value13121112117121930232427302825272524
Percentage of OperatingIncomeLoss9.626.09.811.2-1.815.819.09.820.912.216.210.414.213.211.415.314.713.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.31.41.51.30.91.52.23.52.83.03.23.70.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:GlobalConsumerSolutions13.50.013.414.512.18.513.820.129.223.924.527.70.00.00.00.00.00.0

us-gaap:OperatingSegments, efx:International



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1536262211151937364052462932263319292828
Percentage of OperatingIncomeLoss11.377.021.419.9-1.834.130.019.125.521.334.617.513.715.712.414.911.016.716.415.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.64.03.02.61.31.92.34.24.24.86.35.43.60.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:International7.10.011.39.95.06.68.214.815.016.622.119.90.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value107981179695126110129149129139134122117128
Percentage of OperatingIncomeLoss79.280.8103.6-15.5148.865.276.984.756.759.865.859.469.767.167.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.211.213.411.311.414.412.815.517.515.60.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:UnitedStatesConsumerInformationSolutions31.431.135.432.230.938.936.142.145.10.00.00.00.00.00.0

us-gaap:OperatingSegments, efx:Workforce



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value13398999596817783907380898968697878525056
Percentage of OperatingIncomeLoss98.2209.181.984.0-15.6177.2120.143.362.538.352.533.741.333.633.034.744.629.928.729.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.910.911.410.911.49.89.29.610.48.79.610.410.80.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments efx:Workforce44.30.041.441.542.139.738.140.442.739.943.145.80.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3029282726262626232221242424242320151516161617171717171717141313131313131313141414
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.23.23.23.13.23.23.23.02.82.72.62.92.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value45622251224433220-2614-130330-2-14030112110-900000
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.70.70.30.30.20.60.20.30.30.50.50.40.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-29376-81-5838-63-43-15343-51927113-14082-6798-20-3318-38-34-3714-6-81-11-10-314-2015-4-2833
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-30.68.5-9.4-6.64.5-7.6-5.3-17.65.0-6.111.10.813.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-21-1-1000510101-10-10-2-2000000000
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax0.81.31.71.72.10.61.6-3.44.00.21.311.41.21.20.01.5-0.312.56.2-5.05.02.70.72.41.3-2.01.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.20.1-0.2-0.10.1-0.0-0.10.60.2-0.00.10.10.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-29175-80-5737-63-43-15941-51916112-13882-6698-17-3119-37-34-3614-6-76-13-9-314-2014-5-2733
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax99.298.798.398.397.999.498.4103.496.099.898.788.698.898.8100.098.5100.387.593.8105.095.997.796.6100.792.492.9352.9122.795.097.399.397.698.7102.098.699.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-30.48.4-9.2-6.54.4-7.6-5.2-18.24.8-6.110.90.713.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value36131420-88-102329-2357540575568515453454852455646434751473340424238395436323332337
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 RevenueFromContractWithCustomerExcludingAssessedTax3.81.41.62.4-10.4-0.2-0.12.73.4-0.34.38.84.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value114108268-5542639146931741001671551241341331021131191128998949486788592103488078737669375964787358
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.01.29.47.8-65.53.24.716.710.820.812.019.618.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11111111224221220111101122212122212221221
Percentage of ProfitLoss1.714.81.72.2-0.34.13.00.93.11.34.21.31.41.41.61.60.31.01.51.31.50.81.81.82.82.82.32.02.03.92.73.03.02.13.87.03.42.82.92.93.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.20.10.10.10.30.30.50.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11298166-555253814490172961651531231321301021111171118898929283768390101467776717466345762767156
Percentage of ProfitLoss98.385.298.397.8100.395.997.099.196.998.895.898.798.698.698.498.499.799.098.598.798.599.298.298.297.297.297.798.098.096.197.397.097.097.996.293.096.697.297.197.196.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.81.09.37.6-65.73.14.616.510.520.511.519.318.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value11298166-5552538144901729616515312313213010211111711188989292837683901014677767174663457
Percentage of ProfitLoss98.385.298.397.8100.395.997.099.196.998.895.898.798.698.698.498.499.799.098.598.798.599.298.298.297.297.297.798.098.096.197.397.097.097.996.293.096.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.81.09.37.6-65.73.14.616.510.520.511.519.318.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-17597313-513-380-3140124195177271-42219682021028813353-35811181136908396599860925437272291017147
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-18.310.80.41.5-60.7-4.6-0.0-0.416.314.823.420.732.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value02002006425330210-10011212221211
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest0.22.70.03.8-0.4-1.8-125.0-169.23.31.72.81.71.3-0.21.01.60.0-1.4-0.30.51.73.12.630.45.13.73.05.82.52.73.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.30.00.10.30.10.10.80.50.30.60.40.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-17495312-515-390-10136122190174267-42217672021048913253-3581097913492799457955989341697027996945
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest99.897.3100.096.2100.4101.8225.0269.296.798.397.298.398.7100.299.098.4100.0101.4100.399.5100.6100.099.398.697.798.8102.594.998.397.097.796.997.469.694.996.397.094.297.597.396.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-18.210.50.41.4-60.9-4.7-0.1-1.215.714.622.820.332.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11298166-555253814490172961651531231321301021111171118898929283768390101467776717466345762767156
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.81.09.37.6-65.73.14.616.510.520.511.519.318.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11111111224221220111101122212122212221221
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.20.10.10.10.30.30.50.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value762279097430747373357153713471167196723371157058678966646806664067324509454145854595467447074766475045394390437343874511360535213518350835123489346834333550
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

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1318139510757201048103499110359581019613729422376376364322321
Percentage of Assets17.317.614.59.614.314.513.914.513.314.18.610.36.25.75.55.54.87.1
Percentage of Assets17.317.614.59.614.314.513.914.513.314.18.610.36.25.75.55.54.87.1
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:GlobalConsumerSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value278275269269262255252247251254267193191193188196197
Percentage of Assets3.63.53.63.63.63.63.53.53.53.53.82.72.82.92.83.04.4
Percentage of Assets3.63.53.63.63.63.63.53.53.53.53.82.72.82.92.83.04.4
Percentage of Assets us-gaap:OperatingSegments efx:GlobalConsumerSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:International



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2754297728682967304029592983301531743145312330123032293230532958844
Percentage of Assets36.137.638.639.741.441.441.842.444.143.543.942.744.744.044.944.618.7
Percentage of Assets36.137.638.639.741.441.441.842.444.143.543.942.744.744.044.944.618.7
Percentage of Assets us-gaap:OperatingSegments efx:International100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value19331922192222851685165416571573157915871765178418001824184218461869
Percentage of Assets25.424.325.930.623.023.123.222.122.021.924.825.326.527.427.127.841.5
Percentage of Assets25.424.325.930.623.023.123.222.122.021.924.825.326.527.427.127.841.5
Percentage of Assets us-gaap:OperatingSegments efx:UnitedStatesConsumerInformationSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, efx:Workforce



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value13381338129512301298124912491245123112271346133813421337134512751268
Percentage of Assets17.616.917.416.517.717.517.517.517.117.018.919.019.820.119.819.228.1
Percentage of Assets17.616.917.416.517.717.517.517.517.117.018.919.019.820.119.819.228.1
Percentage of Assets us-gaap:OperatingSegments efx:Workforce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value519352864871488547243997389238373859399439503976383639424019405742002158227323782405243923362325235421982197225323422551172216931693178617281686169917251935
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 Assets68.166.865.665.464.455.954.653.953.655.255.556.356.559.259.061.162.447.950.151.952.352.249.648.849.648.450.051.553.456.647.848.148.150.949.248.349.050.254.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value762279097430747373357153713471167196723371157058678966646806664067324509454145854595467447074766475045394390437343874511360535213518350835123489346834333550
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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value238625782515254325613107318432223274317431003021288826622746254124872310222721672147220023342403235523002174209620181933185818051802170217661784175016911601
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.332.633.934.034.943.444.645.345.543.943.642.842.540.040.338.336.951.349.147.346.747.149.650.449.650.749.547.946.042.951.551.351.248.550.351.150.549.345.1

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value114912098538138649028879489179988991000705672661627630561582591585605550554524648526512484529605517475452430436427429416
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 Assets15.115.311.510.911.812.612.413.312.713.812.614.210.410.19.79.49.412.512.812.912.712.911.711.611.014.312.011.711.111.716.814.713.512.912.212.512.312.511.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value3694011671351332232533272493363154031231291119696931088495128115911012351311041071462671831321271021088611911570771035881
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 Assets4.95.12.31.81.83.13.64.63.54.74.45.71.81.91.61.51.42.12.41.82.12.72.41.92.15.23.02.42.53.37.45.23.83.62.93.12.53.50.00.00.02.90.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value605532516502514469467473487444458462459433436418424349357368362337324345337309306318310317296293297284275273283262258
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.96.77.06.77.06.66.66.76.86.16.46.66.86.56.46.36.37.87.98.07.97.26.97.27.16.87.07.37.17.08.28.38.58.17.97.88.27.67.3

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5318776771101097560831224863465049565279699281103667348685355343911915152021222127
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.72.41.01.01.51.51.10.81.21.70.70.90.70.80.70.90.81.81.52.01.82.21.41.61.01.51.21.30.80.90.30.30.40.40.60.60.60.60.8

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value322325346342338344326309318306294293280273265264263247226212201203200192189188199193189198203196190183180176189181184
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.24.14.74.64.64.84.64.34.44.24.14.24.14.13.94.03.95.55.04.64.44.34.34.04.04.14.54.44.34.45.65.65.45.25.15.15.55.35.2

Noncurrent Assets

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15931540148114101320124411461054995947896859819784755719689654633613596655761774776761773753741745741721708693683673691666665
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.919.519.918.918.017.416.114.813.813.112.612.212.111.811.110.810.214.513.913.413.014.016.216.216.316.817.617.216.916.520.520.520.119.819.519.319.919.418.7

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value631593576538502480451417404380368361340317312301292288294298292354463482485472487474460461454433417400387372385368346
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.37.57.87.26.86.76.35.95.65.35.25.15.04.84.64.54.36.46.56.56.47.69.810.110.210.411.110.810.510.212.612.311.911.411.010.711.110.79.7

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value962947904872818764695636590567528498479466443418397366339315304300297292291288285279281283286288291292296300306298319
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 Assets12.612.012.211.711.210.79.78.98.27.87.47.17.17.06.56.35.98.17.56.96.66.46.36.16.16.46.56.46.46.37.98.28.38.38.48.68.88.79.0

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value415743084227428241704129416241354221418441784063405739744071397140222571258126002587260626242646263423952356224822532290197419611969196119531919194619141943
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.554.556.957.356.857.758.458.158.757.858.757.659.859.659.859.859.757.056.856.756.355.855.855.555.552.853.751.451.450.854.855.756.055.955.655.056.155.854.7

us-gaap:StatementBusinessSegments

efx:GlobalConsumerSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value183188184186189185189189194191191139137136140141147150154
Percentage of Goodwill4.44.44.44.44.54.54.54.64.64.64.63.43.43.43.43.63.75.95.9
Percentage of Assets2.42.42.52.52.62.62.62.72.72.62.72.02.02.02.12.12.23.33.3
Percentage of Assets efx:GlobalConsumerSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.073.276.10.0

efx:International



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value16821829177718291867184418741905199419691963190118961814190718511896441462479471561579642631401362356362369362349356348346335
Percentage of Goodwill40.542.542.142.744.844.745.046.147.347.147.046.846.845.746.946.647.117.217.918.418.221.622.124.324.016.715.415.916.116.118.417.818.117.818.117.3
Percentage of Assets22.123.123.924.525.525.826.326.827.727.227.626.927.927.228.027.928.29.810.210.510.312.012.313.513.38.88.28.28.38.210.19.910.19.910.19.5
Percentage of Assets efx:International0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.062.053.252.952.951.353.063.10.00.055.10.00.00.052.60.00.00.051.154.90.0

efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value128012801280128211281128112910711071107110711071107110711071107110711071112011201120112011201032103210321032944944947638638638
Percentage of Goodwill30.829.730.329.927.127.327.125.925.425.625.626.426.427.026.327.026.641.743.443.143.343.042.739.039.243.143.842.041.941.432.332.532.6
Percentage of Assets16.816.217.217.215.415.815.815.114.914.815.115.215.816.115.716.115.923.824.724.424.424.023.821.721.722.723.521.621.521.017.718.118.2
Percentage of Assets efx:UnitedStatesConsumerInformationSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.057.657.357.657.156.856.556.40.00.052.20.00.00.00.00.00.00.0

efx:Workforce



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value10101010984984984970970969960952952952952952952907907907907907907907907907907907907907907934934934935
Percentage of Goodwill24.323.523.323.023.623.523.323.422.822.822.823.423.524.023.422.922.635.335.234.935.134.834.634.334.437.938.540.440.340.847.347.647.7
Percentage of Assets13.312.813.313.213.413.613.613.613.313.213.413.514.014.314.013.713.520.120.019.819.819.419.319.019.120.020.720.820.720.725.926.526.6
Percentage of Assets efx:Workforce0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.070.271.571.471.370.671.470.90.00.070.10.00.00.068.10.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1000104410521104108310991132115412191247127612721312132314061404147182785989592295399110301060973966918945987487505528550567559586593687
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.113.214.214.814.815.415.916.216.917.217.918.019.319.920.721.221.918.418.919.520.120.421.121.622.321.422.021.021.621.913.514.415.015.716.216.016.917.319.3

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

efx:ProprietaryDatabase



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value124878492353335141413141314141511111122222224914192429344050
Percentage of FiniteLivedIntangibleAssetsNet12.48.48.08.33.33.13.11.21.11.11.11.11.11.11.10.10.10.20.20.20.20.20.20.20.20.20.30.30.40.92.93.84.65.46.17.18.5
Percentage of Assets1.61.11.11.20.50.50.50.20.20.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.10.10.10.10.20.40.50.70.81.01.11.5
Percentage of Assets efx:ProprietaryDatabase0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

efx:TechnologyAndSoftware



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1826293541465260687580859295105109121161922242731343718171719202223252721
Percentage of FiniteLivedIntangibleAssetsNet1.92.52.83.23.84.24.75.25.76.16.36.77.07.27.57.88.22.02.32.52.62.93.13.43.51.91.81.92.12.14.64.74.84.93.7
Percentage of Assets0.20.30.40.50.60.60.70.81.01.01.11.21.41.41.61.71.80.40.40.50.50.60.70.70.80.40.40.40.40.50.60.70.70.80.6
Percentage of Assets efx:TechnologyAndSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

efx:TradenamesAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5677678899889111519231617192022242627171617181920212224242425
Percentage of FiniteLivedIntangibleAssetsNet0.60.60.70.70.60.60.70.70.80.80.70.70.70.91.11.41.61.92.12.22.22.42.52.62.61.81.71.91.92.04.24.24.34.44.44.34.2
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.30.40.40.40.40.40.50.50.60.60.40.40.40.40.40.60.60.60.70.70.70.7
Percentage of Assets efx:TradenamesAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value343367368385395397408421440445443426436439463463483326337351358366380394403340328329337357364370379387396384392
Percentage of FiniteLivedIntangibleAssetsNet34.435.235.034.936.536.236.136.536.135.734.733.533.333.232.933.032.939.439.339.338.938.438.438.338.035.034.035.935.736.274.773.271.870.569.868.766.0
Percentage of Assets4.54.75.05.25.45.65.75.96.16.26.26.06.46.66.87.07.27.27.47.77.87.88.18.38.57.57.57.57.77.910.110.510.811.111.311.011.4
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Databases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value50355255857860161262664868169371872273973677677780142543644846047348549850952252654055356662667175808698
Percentage of FiniteLivedIntangibleAssetsNet50.352.953.152.455.555.755.356.255.955.656.356.756.355.755.255.354.551.450.850.149.949.648.948.348.153.654.458.858.557.312.813.113.513.814.215.516.6
Percentage of Assets6.67.07.57.78.28.68.89.19.59.610.110.210.911.111.411.711.99.49.69.810.010.110.310.510.711.512.012.412.612.61.71.92.02.22.32.52.9
Percentage of Assets us-gaap:Databases0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value344421111122346797910121517202312121112134455665
Percentage of FiniteLivedIntangibleAssetsNet0.40.40.40.40.30.10.20.10.10.10.20.20.30.30.50.50.70.91.01.21.41.61.82.02.21.31.21.31.41.40.90.91.01.11.11.11.0
Percentage of Assets0.10.10.10.10.00.00.00.00.00.00.00.00.00.10.10.10.10.20.20.20.30.30.40.40.50.30.30.30.30.30.10.10.20.20.20.20.2
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value25930429930530416216014615214213712814013112812411687848710011214714714413816016016716515615215815616917710610188
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 Assets3.43.84.04.14.12.32.32.12.12.01.91.82.12.01.91.91.71.91.91.92.22.43.13.13.03.13.73.73.83.74.34.34.54.54.85.13.13.02.5

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1143135914911497152382674467715381673133613431201125912979611729603690784790823766759794662332375449646325293272362344298303319492
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 Assets15.017.220.120.020.811.610.49.521.423.118.819.017.718.919.114.525.713.415.217.117.217.616.315.916.714.67.68.610.314.39.08.37.810.39.88.68.79.313.9

Debt Current

us-gaap:DebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value33372326943488896566779463158570644711854918633537738040840948829616761762831617174767174020183
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.05.00.41.00.10.00.112.313.39.411.39.38.810.46.717.61.14.17.38.28.18.78.610.36.50.41.74.06.30.50.50.51.31.90.51.20.65.2

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1701481351561701751391211061108266798146435540433542203540271919172825283023272126222435
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 Assets2.21.91.82.12.32.52.01.71.51.51.20.91.21.20.70.70.80.91.00.80.90.40.70.90.60.40.50.40.60.60.80.90.70.80.60.80.60.71.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value59078458789989220422018419020924015618317417314115616514214113216189897898837873907367799685101918177
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.89.97.912.012.22.93.12.62.62.93.42.22.72.62.52.12.33.73.13.12.93.51.91.91.62.21.91.81.72.02.01.92.22.82.42.92.62.42.2

Long Term Debt

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value350533792834283326562630262926281739173920382038203720862136249818831145114511451145114511451145114511451427142914451447951951965966967963974978990
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.042.738.137.936.236.836.936.924.224.028.728.930.031.331.437.628.025.425.225.024.924.524.324.024.125.232.532.733.032.126.427.027.427.527.627.628.128.527.9

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11411813013413613913515317217517517818118414114314414616516816917373727172171174173176163167172176109113116129142
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.81.81.91.91.92.22.42.42.52.52.72.82.12.22.13.23.63.73.73.71.61.51.51.63.94.03.93.94.54.84.95.03.13.23.43.84.0

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value434443444947575762646560645841414539393942343738404019232626242222191818191713
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.70.70.80.80.90.90.90.90.90.90.60.60.70.90.90.90.90.70.80.80.80.90.40.50.60.60.70.60.60.60.50.50.60.50.4

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1661801641701788484841031019591868685877757525454565756555454535354535152535658545360
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.32.22.32.41.21.21.21.41.41.31.31.31.31.31.31.21.31.21.21.21.21.21.21.21.21.21.21.21.21.51.41.51.51.61.71.61.61.7

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value238625782515254325613107318432223274317431003021288826622746254124872310222721672147220023342403235523002174209620181933185818051802170217661784175016911601
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.332.633.934.034.943.444.645.345.543.943.642.842.540.040.338.336.951.349.147.346.747.149.650.449.650.749.547.946.042.951.551.351.248.550.351.150.549.345.1

Common Stock Value

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value419641314170413541154717474047484653460044244376425541534081398838963834375836763600355434863424336233093259320231393064303929832929287928242777276327252494
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.152.256.155.356.166.066.466.764.763.662.262.062.762.360.060.157.985.082.880.278.376.174.171.870.872.974.273.271.667.984.384.783.382.180.479.679.779.470.2

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value255325572560256425672571257225742578257725782505250625052507251825292529253625312444235122582150211121012112211321322139217021432110213320442003198019911871
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 Assets33.532.334.534.335.035.936.136.235.835.636.235.536.937.636.837.937.656.155.955.253.250.348.045.144.446.348.148.348.647.460.260.960.060.858.257.457.158.052.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-918-631-717-640-585-626-561-522-366-412-311-405-414-528-363-447-384-484-477-448-469-435-333-299-316-312-370-379-368-362-373-390-373-391-321-295-331-344-318-390
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-12.1-8.0-9.7-8.6-8.0-8.8-7.9-7.3-5.1-5.7-4.4-5.7-6.1-7.9-5.3-6.7-5.7-10.8-10.5-9.8-10.2-9.3-7.1-6.3-6.7-6.9-8.4-8.7-8.4-8.0-10.3-11.1-10.6-11.2-9.1-8.5-9.6-10.0-9.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value30230-1642173116415223511920727922510327124518990205247186102202195152651911671406614415115248149112123231456810137
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.225.5-18.824.73.719.718.326.813.824.733.526.312.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-136-132-97-303-164-136-175-79-70-123-125-51-49-41-112-42-1778-52-35-33-26-29-31-19-347-85-52-2025-1025-22-15-20-31-98-15-59-849942-56
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-14.2-14.6-11.1-34.5-19.5-16.3-21.1-9.0-8.1-14.7-15.0-6.1-5.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value921312968940-55-51-66-138-60-247107-63-204-125-1461664-161-182-164-103-156-137-1441540-86-119-128759-44-78-30-97-15-851-56-124-148-5
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.714.533.910.24.7-6.6-6.1-7.6-16.0-7.3-29.612.6-7.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value30230-1642173116415223511920727922510327124518990205247186102202195152651911671406614415115248149112123231456810137
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.225.5-18.824.73.719.718.326.813.824.733.526.312.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11298166-555253814490172961651531231321301021111171118898929283768390101467776717466345762767156
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.81.09.37.6-65.73.14.616.510.520.511.519.318.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value114108268-5542639146931741001671551241341331021131191128998949486788592103488078737669375964787358
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.01.29.47.8-65.53.24.716.710.820.812.019.618.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11111111224221220111101122212122212221221
Percentage of ProfitLoss1.714.81.72.2-0.34.13.00.93.11.34.21.31.41.41.61.60.31.01.51.31.50.81.81.82.82.82.32.02.03.92.73.03.02.13.87.03.42.82.92.93.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.20.10.10.10.30.30.50.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11298166-555253814490172961651531231321301021111171118898929283768390101467776717466345762767156
Percentage of ProfitLoss98.385.298.397.8100.395.997.099.196.998.895.898.798.698.698.498.499.799.098.598.798.599.298.298.297.297.297.798.098.096.197.397.097.097.996.293.096.697.297.197.196.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.81.09.37.6-65.73.14.616.510.520.511.519.318.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value11298166-5552538144901729616515312313213010211111711188989292837683901014677767174663457
Percentage of ProfitLoss98.385.298.397.8100.395.997.099.196.998.895.898.798.698.698.498.499.799.098.598.798.599.298.298.297.297.297.798.098.096.197.397.097.097.996.293.096.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.81.09.37.6-65.73.14.616.510.520.511.519.318.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9488858379807778797473717273706756494950505250505045524448404041414140404242414142
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-136-132-97-303-164-136-175-79-70-123-125-51-49-41-112-42-1778-52-35-33-26-29-31-19-347-85-52-2025-1025-22-15-20-31-98-15-59-849942-56
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-14.2-14.6-11.1-34.5-19.5-16.3-21.1-9.0-8.1-14.7-15.0-6.1-5.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value921312968940-55-51-66-138-60-247107-63-204-125-1461664-161-182-164-103-156-137-1441540-86-119-128759-44-78-30-97-15-851-56-124-148-5
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.714.533.910.24.7-6.6-6.1-7.6-16.0-7.3-29.612.6-7.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value125748020050009940100000007748000000
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.00.0100.0100.00.0100.0100.00.0100.00.00.00.00.00.0100.0100.00.00.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value02000252500100002720505090200100000275000000015110153
Percentage of RepaymentsOfLongTermDebt0.0100.00.0100.0100.00.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.00.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments For Repurchase Of Common Stock

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value02000252500100002720505090200100000275000000015110153
Percentage of RepaymentsOfLongTermDebt0.0100.00.0100.0100.00.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.00.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

efx:NotesTwoPointSixZeroPercentDueDecember2024



Period End2020-03-31
Value0.026
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations efx:NotesTwoPointSixZeroPercentDueDecember20240.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.239-0.0240000000000000070.1450.233-0.137-0.015999999999999986-0.0230.1370.239-0.0630.2610.3090.206-0.00100000000000000090.2910.340.3350.00300000000000000270.3080.290.3490.00.3250.3720.349-0.00100000000000000090.3530.3590.360.011000000000000010.3350.350.368-0.0270000000000000240.3620.5940.379-0.0060000000000000050.3440.353
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

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

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

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1891011189127123961868516676189981196610855975746464
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value369401167135133223253327249336129
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

efx:DividendsPaidToEmployeeBenefitsTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0300000.0200000.0200000.0200000.0200000.0200000.0200000.0100000.0200000.0200000.0100000.0200000.0100000.0200000.0100000.0100000.0200000.0100000.0100000.0100000.0200000.00.0400000.0300000.0300000.01000000.0-300000.0
Percentage of DividendsPaidToEmployeeBenefitsTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0300000.0200000.0200000.0200000.0200000.0200000.0200000.0100000.0200000.0200000.0100000.0200000.0100000.0200000.0100000.0100000.0200000.0100000.0100000.0100000.0200000.00.0400000.0300000.0300000.01000000.0-300000.0
Percentage of DividendsPaidToEmployeeBenefitsTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

efx:GainLossOnEquityMethodInvestment



Period End2020-03-312019-03-31
Value320
Percentage of GainLossOnEquityMethodInvestment100.00.0

efx:IncreaseDecreaseInCurrentLiabilitiesExcludingDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-126250-32416199153-20-6140115-13-889767-19-46505842-33652040-72441517-74602923-6056-3-3-4823-15-7-32
Percentage of IncreaseDecreaseInCurrentLiabilitiesExcludingDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

efx:IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.130.050.0-0.020.0099999999999999980.0
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent100.0100.00.0100.0100.00.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:EmployerServices, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.02-0.05-0.01-0.040.03
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent15.4-100.00.0200.00.0

us-gaap:OperatingSegments, efx:FinancialMarketingServices, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.02-0.02-0.070.06-0.02
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent-15.4-40.00.0-300.00.0

us-gaap:OperatingSegments, efx:MortgageSolutions, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.33-0.06-0.22-0.230.01
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent253.8-120.00.01150.00.0

us-gaap:OperatingSegments, efx:OnlineInformationSolutions, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.160.050.1-0.010.01
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent123.1100.00.050.00.0

us-gaap:OperatingSegments, efx:VerificationServices, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.480.290.150.160.11
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent369.2580.00.0-800.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:GlobalConsumerSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.030.0-0.07-0.09-0.12
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent23.10.00.0450.00.0

us-gaap:OperatingSegments, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.04-0.02-0.09-0.08-0.02
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent-30.8-40.00.0400.00.0

us-gaap:OperatingSegments, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.150.020.02-0.030.0
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent115.440.00.0150.00.0

us-gaap:OperatingSegments, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.320.190.110.080.09
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent246.2380.00.0-400.00.0

us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, country:CA, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.010.050.050.020.06
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent7.7100.00.0-100.00.0

us-gaap:OperatingSegments, srt:AsiaPacific, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.05-0.04-0.12-0.11-0.01
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent-38.5-80.00.0550.00.0

us-gaap:OperatingSegments, srt:Europe, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.03-0.05-0.09-0.03-0.01
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent-23.1-100.00.0150.00.0

us-gaap:OperatingSegments, srt:LatinAmerica, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.080.01-0.12-0.16-0.11
Percentage of IncreaseDecreaseInRevenueFromContractWithCustomerExcludingAssessedTaxPercent-61.520.00.0800.00.0

efx:IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value11170413-19-30
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:EmployerServices, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value1-30-31
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount1.6-7.2-16.115.8-300.0

us-gaap:OperatingSegments, efx:FinancialMarketingServices, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0-1-42-1
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount-0.7-2.7-129.0-14.8166.7

us-gaap:OperatingSegments, efx:MortgageSolutions, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value10-2-9-90
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount9.5-5.5-319.448.5-33.3

us-gaap:OperatingSegments, efx:OnlineInformationSolutions, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value351022-21
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount31.425.5709.710.2-233.3

us-gaap:OperatingSegments, efx:VerificationServices, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value7141232014
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount63.899.8741.9-104.6-2333.3

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, efx:GlobalConsumerSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value20-6-9-12
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount2.61.0-200.045.92033.3

us-gaap:OperatingSegments, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-9-4-21-19-4
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount-8.1-10.8-687.199.0800.0

us-gaap:OperatingSegments, efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value4478-80
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount40.217.3261.343.9-100.0

us-gaap:OperatingSegments, efx:Workforce



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value7338221715
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount65.492.5725.8-88.8-2633.3

us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, country:CA, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value01102
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount0.44.358.1-4.1-366.7

us-gaap:OperatingSegments, srt:AsiaPacific, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-3-3-10-90
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount-3.0-7.5-329.047.4116.7

us-gaap:OperatingSegments, srt:Europe, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-2-3-6-20
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount-1.9-8.9-203.210.783.3

us-gaap:OperatingSegments, srt:LatinAmerica, efx:International



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value-40-6-8-5
Percentage of IncreaseDecreaseinRevenueFromContractWithCustomerExcludingAssessedTaxAmount-3.61.2-212.944.9966.7

efx:PaymentsToAcquireInvestmentsInUnconsolidatedAffiliatesNet



Period End2020-03-312019-03-31
Value025
Percentage of PaymentsToAcquireInvestmentsInUnconsolidatedAffiliatesNet0.0100.0

efx:RedeemableNoncontrollingInterestAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0100000.00.00.00.00.00.00.00.00.00.0400000.0-400000.0
Percentage of RedeemableNoncontrollingInterestAdjustment0.0100.00.00.00.00.00.00.00.00.00.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0010000-240-12-3
Percentage of RedeemableNoncontrollingInterestAdjustment0.0-200.00.00.00.00.00.00.00.00.00.0650.0975.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value00-100002-401-23
Percentage of RedeemableNoncontrollingInterestAdjustment0.0300.00.00.00.00.00.00.00.00.00.0-550.0-875.0

efx:SharesIssuedUnderStockAndBenefitPlansNetOfMinimumTaxWithholdingsValues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value11643-2003-10-44-3-10-21010-13085-64431461412525092010072
Percentage of SharesIssuedUnderStockAndBenefitPlansNetOfMinimumTaxWithholdingsValues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7300-5-1-2-1-8-50-4-9-400-14-600-14-50-60-40-5-2-50-9-2-2-2-1-7
Percentage of SharesIssuedUnderStockAndBenefitPlansNetOfMinimumTaxWithholdingsValues68.551.62.52.7229.2750.0733.3-42.487.3112.56.2140.088.8180.0-1.9-1.9106.6-1280.0-5.0-5.6241.0-120.84.2-215.6-2.1-80.33.6-46.8-37.0-21.30.0-98.9-12.3-24.30.0-24.3-251.7

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value33333114-10-12101006858104101411131873071822132810
Percentage of SharesIssuedUnderStockAndBenefitPlansNetOfMinimumTaxWithholdingsValues31.548.497.597.3-129.2-650.0-633.3142.412.7-12.511.2-80.0101.9101.9-6.61380.0105.0105.6-141.0220.895.8315.6102.1180.396.4146.8137.0121.30.0198.9112.3124.30.0124.3351.7

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value189101118912712396186851667618998119661085597574
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value189101118912712396186851667618998119661085597574
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs



Period End2020-03-312019-03-31
Value300000.0400000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value353535353434363942424341454647473529303131313332322833263021222222222122
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value0011000000000000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-31233312-90-29-7478-87
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.390.39000000000000010.390.390.390.39000000000000010.390.390.390.39000000000000010.390.390.390.330000000000000070.330.330.330.28999999999999990.290.290.290.250.250.250.250.219999999999999970.220.220.220.179999999999999940.180.180.180.160000000000000030.160.160.160.160000000000000030.040.040.04
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxesAndTaxCredits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17-524-8911-3-7-2-3-33-4-2-2-1311-4-5-223-10-220-20-3-3-22-3-10-3060-3200
Percentage of DeferredIncomeTaxesAndTaxCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-200000.0-400000.0-300000.0-300000.0-300000.0-200000.0-400000.0-400000.0-400000.0-100000.0-400000.0-400000.0-400000.0-200000.0-200000.0-200000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-4-4-3-3-3-4-5-5-5-4-3-3-3-3-3-3
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses2450.01025.01233.31233.31233.32350.01250.01250.01250.04100.0950.0950.0950.01550.01750.01750.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-100000.0-100000.0-300000.0-300000.0-300000.0-100000.0-300000.0-300000.0-300000.0-100000.0-300000.0-300000.0-300000.0-200000.0-300000.0-300000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.0200000.0100000.0100000.0100000.0200000.0100000.0100000.0100000.00.0200000.0200000.0200000.0200000.0200000.0200000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-0.0-200.0-33.3-33.3-33.3-200.0-33.3-33.3-33.3-0.0-66.7-66.7-66.7-100.0-66.7-66.7

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value200000.0300000.0200000.0200000.0200000.0200000.0300000.0300000.0300000.0300000.0300000.0300000.0300000.0500000.0300000.0300000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value8999989999999899
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets4400.03066.74500.04500.04500.04350.03200.03200.03200.03166.73100.03100.03100.01760.03200.03200.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value100000.0300000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0300000.0200000.0200000.0200000.0200000.0200000.0200000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5777766667777788
Percentage of DefinedBenefitPlanInterestCost5900.02333.33550.03550.03550.03150.03350.03350.03350.02400.03550.03550.03550.03650.04000.04000.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value100000.0300000.0100000.0100000.0100000.0200000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0-300000.0-100000.0-100000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2222233332222233
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost2400.0933.32600.02600.02600.01700.03100.03100.03100.02800.02800.02800.02800.0-900.0-3000.0-3000.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value100000.00.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.00.0100000.0100000.0
Percentage of DefinedBenefitPlanServiceCost100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value400000.0700000.0700000.0700000.0700000.0900000.0900000.0900000.0900000.01000000.01000000.01000000.01000000.0900000.0900000.0900000.0
Percentage of DefinedBenefitPlanServiceCost400.00.0700.0700.0700.0900.0900.0900.0900.01000.01000.01000.01000.00.0900.0900.0

us-gaap:DepreciationAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9186848277797577787372707170706855484950494950505045514447404041414140414242413939
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value47474747474747474747474747393939393434343430303030262626262121212119192019
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value47474747474747474747474747393939393434343430303030262626262121212119192019
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-183-203-30
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod



Period End2020-03-312019-03-312018-03-312016-03-312015-03-312014-03-31
Value5214814030240
Percentage of GoodwillAcquiredDuringPeriod100.0100.0100.0100.00.0100.0

us-gaap:StatementBusinessSegments

efx:International



Period End2020-03-312019-03-312018-03-312016-03-312015-03-312014-03-31
Value520014030230
Percentage of GoodwillAcquiredDuringPeriod100.00.00.0100.00.096.0

efx:Workforce



Period End2020-03-312019-03-312018-03-312016-03-312015-03-312014-03-31
Value0148000
Percentage of GoodwillAcquiredDuringPeriod0.0100.0100.00.00.00.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-20354-56-4326-45-31-9730-3766582-10259-5147
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

efx:GlobalConsumerSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-43-1-23-30-540320-4-1-6-3
Percentage of GoodwillForeignCurrencyTranslationGainLoss2.36.63.46.512.26.80.65.715.31.15.644.01.14.0-1.711.6-6.7

efx:International



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-19851-54-4023-42-31-9225-3662281-9860-4551
Percentage of GoodwillForeignCurrencyTranslationGainLoss97.793.496.693.587.893.299.494.384.798.994.456.098.996.0101.788.4106.7

us-gaap:GoodwillPurchaseAccountingAdjustments



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value001001-12-200-2-400030-10175-87
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

efx:GlobalConsumerSolutions



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.00.00.00.00.00.0-1000000.00.00.00.00.00.00.0
Percentage of GoodwillPurchaseAccountingAdjustments0.00.00.00.00.00.0100.00.0-0.00.00.0-0.0-0.0

efx:International



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value00300102-200-2-400030-1000
Percentage of GoodwillPurchaseAccountingAdjustments0.00.0300.0150.00.066.7-0.0100.0100.00.0100.092.9100.00.00.00.0100.00.0100.0100.0-0.1-0.0

efx:UnitedStatesConsumerInformationSolutions



Period End2020-03-312019-09-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value0-20000000000000-87
Percentage of GoodwillPurchaseAccountingAdjustments0.0-200.00.00.0-0.0-0.00.00.0-0.00.00.00.00.0-0.00.0100.0

efx:Workforce



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value300000.00.00.00.0500000.0500000.00.00.00.00.00.0-200000.00.00.00.00.00.00.00.00.0
Percentage of GoodwillPurchaseAccountingAdjustments100.00.00.00.0100.033.3-0.00.0-0.00.00.07.1-0.00.00.00.00.0-0.00.0-0.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value150239689-6422538169123172136242195182190201154167172158137151139150132121133144131821201211161121089195969692
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value831119-12425-4-339-13-9122112-245-2-543016-167201-1310470-11173-117-7225
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-291112-3404930-26-3795-5129-8340-100-40-3-36000-413-21-4-2-80040-3
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1011001110111011202220222022202220111011
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value010401062014100310041014105212002
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value010401062014100310041014105212002
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-29182-80-5737-6898-10-3119-36-103-3615-6566
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value0000000-4000-280000000000
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-0.0-0.0-0.00.00.00.00.00.00.00.00.00.00.00.0-0.1-0.30.5-0.0-0.50.7-1.71.6

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.00.00.00.0100000.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-0.00.0-0.0-0.00.3-0.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-29175-80-5737-63-43-15941-51916112-13882
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.091.7100.0100.099.792.40.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.00.0100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax0.00.00.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.00.0100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax0.00.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value-28986-78-5541-52-40-14246-50949115-16784-64100-10-3120-36-102-3517-4578-12-7-22198-23643
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value33334430222-262
Percentage of OtherComprehensiveIncomeLossNetOfTax-1.3-3.8-5.47.3-10.0-2.88.3-1.62.725.82.216.12.7

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.00.00.0100000.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-0.0-0.0-0.00.2-0.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-28785-77-5440-65-39-14745-50938114-16584-63100-7-2821-34-101-3417-4589-11-61117
Percentage of OtherComprehensiveIncomeLossNetOfTax99.298.898.298.298.1126.598.3103.796.499.898.791.898.899.0100.098.5100.375.593.2104.395.699.296.1100.688.9101.0103.488.293.0-5.018.2

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-291-80-5737-43-15941-51916112-13882
Percentage of OtherComprehensiveIncomeLossNetOfTax100.5102.0103.690.5108.2112.188.1101.496.063.997.082.997.3

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value-21-1-1000510101-10-10-2-20-10-10000-10-62-72
Percentage of OtherComprehensiveIncomeLossNetOfTax0.81.21.81.81.90.81.7-3.73.60.21.38.21.21.00.01.5-0.324.56.8-4.34.40.83.9-0.611.1-1.0-3.411.87.03.12.33.05.1

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-3-10-3-3-31-3-3-30-2-2-226-2-2-2-9-2-2-254222-82323-333-23522-2
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-3-10-3-3-31-3-3-30-2-2-226-2-2-2-9-2-2-254222-82323-333-23522-2
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-30
Value1500000000040
Percentage of PaymentsOfDebtIssuanceCosts100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.00.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4747474747474647464646474639393939343434342930303026262626212121211919191920545
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value0104010620141003100410141052120100211
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value00504060125162070117
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4838021024228516136267270640172700047003336327001009158103067086
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireProductiveAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value889397931141138962566057495042484240523833212226191821251718161414201515172617151650
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromShortTermDebt



Period End2020-03-312019-03-31
Value064
Percentage of ProceedsFromShortTermDebt100.0100.0

us-gaap:ProceedsFromStockOptionsExercised



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value16794105320539411114885111051013814185277122010075151011
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts



Period End2020-03-312019-03-31
Value22
Percentage of ProvisionForDoubtfulAccounts100.0100.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-527-3-3-3-5-5-5-5-4-4-4-4-3-3
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0-10000000000000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-2.0-4.0-5.3-5.3-5.32.0-3.8-3.8-3.8-2.4-2.4-2.4-2.4-0.0-2.8

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-528-4-4-4-4-5-5-5-4-4-4-4-3-3
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax102.0104.0105.3105.3105.398.0103.8103.8103.8102.4102.4102.4102.4100.0102.8

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-3-3-3-3-3-3-2-17222-1422223
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value-321-3-3-3-3-4-4-3-4-2-2-2-2-2-2-22222223
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0-680.6100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-03-31
Value200000.0100000.0200000.0100000.0200000.00.0200000.0100000.0200000.00.2
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationGross100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding



Period End2020-04-10
Value121
Percentage of EntityCommonStockSharesOutstanding100.0

efx:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value00000000000000000111111111111111111-11112
Percentage of AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

efx:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value86889091929391929495146147149150134136137138144146148150111112113115155155157159167168170172134136138124
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

efx:BuildingsLandAndImprovementsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value233236234231227216213212213212214210206203202202199194193194193194192190189185184179179177176174175178176176174169164
Percentage of BuildingsLandAndImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

efx:DeferredCompensationPlanAssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value34373636373535333230282624
Percentage of DeferredCompensationPlanAssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value3440373636343735353533323028282624242422
Percentage of DeferredCompensationPlanAssetsFairValueDisclosure100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

efx:DeferredCompensationPlanLiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-06-302013-03-312012-09-302011-09-302011-06-30
Value00000000000000000001313
Percentage of DeferredCompensationPlanLiabilitiesFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-06-302013-03-312012-09-302012-06-302012-03-31
Value343736363735353332302826242324242318161515
Percentage of DeferredCompensationPlanLiabilitiesFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value34403736363437353535333230282826242423242424242322-22201918161615151313
Percentage of DeferredCompensationPlanLiabilitiesFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0

efx:LongTermDebtCarryingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3500340029002800270026002700270021002100200023002300240024002500190011001100110011001100110011001100110014001400150015009509700970
Percentage of LongTermDebtCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1801631842132172131791711811601351271331491361291551121161111028589981029582838084726463566562586167
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-643-352-428-347-290-328-264-221-62-103-52-143-149-262-123-205-139-237-219-188-207-170-136-99-114-108-100-106-93-83-80-94-74-89-84-56-89-100-99-178
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value143114051392138113691356134713391336133213351325132213131304128812731260125212401230120112091197119011741166115611491139113111251127111811121110110411051102
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable



Period End2020-03-312019-12-312019-03-312018-12-31
Value13111210
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value13111213121011111091098799978777888666666665667715
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1036979899837755684607532462427388355332307287252225212213207201257368391397388389380369
Percentage of CapitalizedComputerSoftwareGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockHeldInTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value55555555555555555555555555555555554141414141
Percentage of CommonStockHeldInTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value111104979710798104108
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value35283403322228822744265426532715
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

efx:DebtOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value33444432
Percentage of DebtInstrumentCarryingAmount0.10.10.10.20.20.20.10.1

efx:NotesFloatingRateDueAugustTwoThousandTwentyOne



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3003003003003003003000
Percentage of DebtInstrumentCarryingAmount8.58.89.310.410.911.311.30.0

efx:NotesThreePointNineFiveDueMayTwoThousandTwentyThree



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4004004004004004004000
Percentage of DebtInstrumentCarryingAmount11.311.812.413.914.615.115.10.0

efx:NotesThreePointSixZeroDueAugustTwoThousandTwentyOne



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3003003003003003003000
Percentage of DebtInstrumentCarryingAmount8.58.89.310.410.911.311.30.0

efx:TermLoanDueNovemberTwentyEighteen



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value12502002002500400
Percentage of DebtInstrumentCarryingAmount3.50.06.26.90.90.00.014.7

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value00368276500562
Percentage of DebtInstrumentCarryingAmount0.00.011.41.02.40.00.020.7

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1920151618192021101111111213131389
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Range

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value55545455
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value263248250249229316298293304305303325325
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value86156114986413196946211992945915812310168139121865910175543290726132104796133795338307158
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueNetAssetLiability

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-09-302019-06-302019-03-31
Value34373636
Percentage of FairValueNetAssetLiability100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-09-302019-06-302019-03-31
Value-34-37-36-36
Percentage of FairValueNetAssetLiability-100.0-100.0-100.0-100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value00000000140
Percentage of FairValueNetAssetLiability0.00.00.00.00.00.00.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value771775754732715777742716776753777746745708698660614611587562529521509479448424409550537550541514506527504488459
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

efx:ProprietaryDatabase



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value242019161312119988776665555555555412212011511010510095908574
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.22.72.62.31.91.61.51.41.21.21.01.01.00.90.90.91.00.91.01.01.01.01.01.11.11.21.222.322.521.120.520.519.918.117.917.416.2

efx:TechnologyAndSoftware



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value748477757284656275665949413644403135333128262826232018161413121094133
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization9.610.810.310.310.110.88.98.79.78.87.76.75.65.16.36.25.25.85.75.65.45.15.75.55.24.84.63.02.82.52.32.11.87.87.3

efx:TradenamesAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8101212121111111110101945424238353332312928282725242322212120191816151412
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.21.41.71.71.71.51.51.71.51.41.42.66.16.06.15.95.75.45.65.65.65.55.65.75.75.75.84.14.03.93.83.73.63.23.12.92.7

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value30630530730030329528627933632631329928627327026024823923022021020419618617616616516816116415514613913012111397
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization39.739.340.741.042.438.038.539.043.343.440.440.138.438.538.739.440.539.139.239.339.739.238.639.039.339.340.330.730.029.928.728.527.524.724.123.221.2

us-gaap:Databases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value353351334324311298291277272262310296293276264247231240231223211218213203192187178212212229237228235240234235240
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization45.945.344.344.343.538.439.338.735.134.840.039.739.438.937.937.537.639.339.439.840.042.041.942.443.044.243.638.639.541.743.844.346.645.646.548.152.4

us-gaap:NoncompeteAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3333223331212151422212019181716131113118787654433321
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.40.50.40.40.40.30.40.40.41.71.62.01.93.13.03.23.23.02.92.92.62.32.62.31.91.82.11.41.21.00.90.80.70.60.60.50.3

us-gaap:FiniteLivedIntangibleAssetsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1771182018061836179918761875187119952000205420192057203221052065208614391446145714521475150115101508139713751469148315381029102010351077107210481053
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

efx:ProprietaryDatabase



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1491081041084946462423222221212121777777777777125125125125125125125125125125
Percentage of FiniteLivedIntangibleAssetsGross8.45.95.85.92.82.52.51.31.21.11.11.11.01.11.00.40.40.50.50.50.50.50.50.50.50.50.58.58.48.112.112.212.111.611.711.911.9

efx:TechnologyAndSoftware



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value92110107111114130118122144142139135134131149150152525354535359606038363434343434346855
Percentage of FiniteLivedIntangibleAssetsGross5.26.05.96.16.36.96.36.67.27.16.86.76.56.57.17.37.33.63.73.73.73.74.04.04.02.72.62.32.32.23.43.43.46.35.2

efx:TradenamesAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value14171920191819202120182754545757584950505051535353414039394141404040403837
Percentage of FiniteLivedIntangibleAssetsGross0.81.01.11.11.11.01.01.11.11.00.91.42.72.72.82.82.83.43.53.53.53.53.53.63.53.02.92.72.72.74.04.03.93.83.83.73.6

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value650673675685698693694701776772756725723712733723732565567572569570577581579506493498499522519517518518518497489
Percentage of FiniteLivedIntangibleAssetsGross36.737.037.437.338.836.937.037.538.938.636.835.935.235.134.935.035.139.339.339.339.238.738.538.538.436.335.933.933.733.950.550.750.148.148.347.546.5

us-gaap:Databases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8579048929039129119189259539551029101810321012104110241032665668672672692699701702709704752765795299294307316315321339
Percentage of FiniteLivedIntangibleAssetsGross48.449.749.449.250.748.649.049.547.847.850.150.450.249.849.449.649.546.246.246.146.346.946.646.446.650.851.251.351.651.729.128.829.729.329.430.732.2

us-gaap:NoncompeteAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7777534441414171726272829252626262731323120201919199999987
Percentage of FiniteLivedIntangibleAssetsGross0.40.40.40.40.30.20.30.20.20.70.70.90.91.31.31.41.41.81.81.81.81.82.12.12.11.41.51.31.31.30.90.90.90.80.80.80.7

us-gaap:Range

us-gaap:IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value554554522
Percentage of IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedContractualRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value949494949494949494959594949494949494949595959595959595254254254959595959595959595
Percentage of IndefiniteLivedContractualRights100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility

us-gaap:LineOfCredit

us-gaap:CommercialPaper



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value036827650
Percentage of LineOfCredit0.0100.0100.0100.00.0

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value000000100
Percentage of LineOfCredit0.00.00.00.00.00.00.0

us-gaap:DebtInstrument

efx:ReceivablesSecuritizationFacility



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value12520020025000
Percentage of LineOfCredit0.054.3727.338.50.00.00.0

us-gaap:LongTermDebtFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3500360030003000270026002700270021002100210024002400240026002700200012001200120013001300130013001200120015001500160016001110110001090
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PreferredStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1010101010101010101010101010101010101010101010101010101001001010101010101010
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value119889297107100908797947671766064555539464646354443373435333226303029243233342627
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:OtherCurrentAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value202923172031192421212421232823202930334047500
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherCurrentLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value202923172031192421212421232823202930334047500
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RevenueRemainingPerformanceObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2930333517218920021453
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value24292622255925872610315532413279333632393165308129522721278725832532235022672206218922342371244123952341219321202044195918831827182417221784180217691708161513231408
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value-274-278-288-291-294-297-295-299-303-307-258-260-263-265-239-241-245-263
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-11.3-10.6-11.3-11.2-11.3-9.4-9.1-9.1-9.1-9.5-8.2-8.5-8.9-9.8-8.6-9.3-10.5-11.8

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-1-1-1-1-1-1-1-1-1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-918-631-717-640-585-626-561-522-366-412-311-405-414-528-363-447-384-484-477-448-469-435-333-299-316-312-370-379-368-362-373-390-373-391-321-295-331-344-318-390-170
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-37.8-24.1-28.0-24.7-22.4-19.8-17.3-15.9-11.0-12.7-9.8-13.2-14.0-19.4-13.0-17.3-15.2-20.6-21.0-20.3-21.5-19.5-14.1-12.3-13.2-13.4-16.9-17.9-18.0-18.5-19.8-21.4-20.5-22.8-18.0-16.4-18.7-20.2-19.7-29.5-12.1

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value-643-352-428-347-290-328-264-221-62-103-52-143-149-262-123-205-237-170
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-26.5-13.4-16.7-13.4-11.1-10.4-8.2-6.7-1.9-3.2-1.7-4.7-5.1-9.6-4.4-8.0-10.1-7.6

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value14311405139213811369135613471339133613321335132513221313130412881273126012521240123012011209119711901174116611561149113911311125112711181112111011041105110210751040
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest58.953.654.453.452.443.041.640.940.141.142.243.044.848.346.849.950.353.655.256.256.253.851.049.149.750.253.254.556.258.260.161.661.864.962.361.662.464.768.281.273.9

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236236235
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest9.79.09.29.19.17.57.37.27.17.37.57.78.08.78.59.29.310.110.410.710.810.610.09.79.910.110.811.211.612.112.612.913.013.713.313.113.413.814.717.916.7

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value434443444947575762646560645841414539393942343738404019232626242222191818191713118
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.81.71.71.71.91.51.81.71.92.02.12.02.22.21.51.61.81.71.71.81.91.51.61.61.71.70.91.11.31.31.31.21.21.11.01.01.11.00.90.80.6

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value41964131417041354115471747404748465346004424437642554153408139883896383437583676360035543486342433623309325932023139306430392983292928792824277727632725249422812030
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest172.7157.5163.0159.8157.6149.5146.2144.8139.4142.0139.8142.0144.2152.6146.4154.4153.8163.1165.8166.6164.4159.1147.1140.3140.4141.4148.6151.1153.5156.4161.4163.2160.5167.2158.3154.1156.1159.5154.4172.3144.2

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-2553-2557-2560-2564-2567-2571-2572-2574-2578-2577-2578-2505-2506-2505-2507-2518-2529-2529-2536-2531-2444-2351-2258-2150-2111-2101-2112-2113-2132-2139-2170-2143-2110-2133-2044-2003-1980-1991-1871-1837-1679
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-105.1-97.5-100.1-99.1-98.4-81.5-79.4-78.5-77.3-79.6-81.4-81.3-84.9-92.1-90.0-97.5-99.8-107.6-111.9-114.7-111.6-105.2-95.3-88.1-88.1-89.8-96.3-99.7-104.3-109.2-115.3-117.3-115.7-123.9-114.6-111.1-111.9-116.5-115.9-138.9-119.2

us-gaap:TrustForBenefitOfEmployees



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-41-41-41-41-41-51-57
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-2.3-2.3-2.3-2.4-2.6-3.9-4.1

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6767676767686868686868686868696969707070696968666666676706806868696664646461
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments


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


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


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


us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents


us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass


us-gaap:ProfitLoss us-gaap:StatementEquityComponents