VRSK


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

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

us-gaap:Revenues

us-gaap:CostOfRevenue
us-gaap:StatementBusinessSegments

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:StatementBusinessSegments

us-gaap:OperatingIncomeLoss

us-gaap:InterestExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LongTermDebt
us-gaap:DebtInstrument
us-gaap:LongTermNotesAndLoans

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

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:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType

us-gaap:ShareBasedCompensation

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType
us-gaap:AcceleratedShareRepurchasesInitialPricePaidPerShare

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CashAcquiredFromAcquisition

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:Dividends

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GoodwillTransfers
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxesPaid

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestPaidNet

us-gaap:LeaseCost

us-gaap:NumberOfOperatingSegments
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
us-gaap:StatementEquityComponents

us-gaap:OtherOperatingIncome

us-gaap:OtherOperatingIncomeExpenseNet
us-gaap:StatementBusinessSegments

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsToAcquireEquityMethodInvestments
us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:RepaymentsOfShortTermDebt

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
us-gaap:AwardType
us-gaap:AwardType, us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:AwardType
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueOther
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired
us-gaap:ShareRepurchaseProgram

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

vrsk:AcceleratedShareRepurchasesInitialPriceShares
us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType
us-gaap:ShareRepurchaseProgram
vrsk:AcceleratedShareRepurchasesPurchasePrice

vrsk:CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsCurrentAssetsHeldForSale

vrsk:ChangeInDeferredIncomeTax

vrsk:ContingentGainonSaleofAssets
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

vrsk:DebtIssuanceCostIncludedInAccountsPayableAndAccruedLiabilities

vrsk:DeferredTaxLiabilityEstablishedOnDateOfAcquisition
us-gaap:RetirementPlanType
vrsk:DefinedBenefitPlanPlanAssetsContributionsbyEmployerNet

vrsk:DepreciationAndAmortizationOfFixedAssets

vrsk:EarningsBeforeInterestIncomeTaxesDepreciationAmortizationFromReportableSegment
us-gaap:StatementBusinessSegments

vrsk:FinanceLeaseObligationIncurred

vrsk:GainLossonDisposalofFixedAssets

vrsk:HeldForSaleAssetsContributedToANonPublicCompany

vrsk:IncreaseDecreaseinAcquisitionRelatedLiabilities

vrsk:IncreaseDecreaseinOperatingLeaseLiabilities

vrsk:IncreaseDecreaseinOperatingLeaseRightofUseAssets

vrsk:InvestmentLossIncomeandOtherNet
us-gaap:StatementBusinessSegments

vrsk:NonoperatingIncomeExpenseAndInterestExpense

vrsk:OperatingLeaseObligationsAdditionsNetofTerminations

vrsk:PaymentstoAcquireBusinessesNet

vrsk:ProvisionForCreditLossesRelatedToEquityInvestments
us-gaap:PartnerTypeOfPartnersCapitalAccount

vrsk:RepaymentsofLongtermDebtCurrent

vrsk:RevenueRemainingPerformanceObligationCurrentPercentage
us-gaap:AwardType
vrsk:SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsDividendsReinvestedinPeriod
us-gaap:AwardType
vrsk:SharebasedCompensationArrangementbySharebasedPaymentAwardTargetLevels
us-gaap:Range, us-gaap:AwardType

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:AwardType, us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan
us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
us-gaap:PlanName

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent
us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments
us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IncomeTaxesReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:InvestmentsFairValueDisclosure

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityFairValueOfAmountOutstanding
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:SubsequentEventType

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LongTermDebtFairValue

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:PrepaidExpenseCurrent

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortTermBorrowings
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:SubsequentEventType

us-gaap:TreasuryStockShares

vrsk:AcquisitionRelatedLiabilitiesCurrent

vrsk:PercentageOfOwnershipOnOutstandingCommonStockRequiredToBecomeRelatedParty
us-gaap:AwardType
vrsk:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestNumberOfShares
us-gaap:AwardType, us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan
vrsk:ValueOfCommonStockIssuedToEmployeesPerShare

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████████100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0NANANANANA137000.0137000.0137000.0137000.0137000.0NANANANANANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock us-gaap:CommonClassA▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄544544544544544544544544544544544544544544544544544544544544544544544544544544544544544NANANANA544350350150150NANANA
us-gaap:CommonStockSharesOutstanding ▁▃▃▃▃▃▆▆█▆▆162163163163163163164164165164164NANA166NANANA169NANANA157NANANANANANANA166166165165164NANANANANANANA
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄▄▄▄▄▄▄20002000200020002000200020002000200020002000NANA2000NANANA2000NANANA1200NANANANA12001200120012001200120012001200NANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 165NA166166166NA168168168NA167168170NA171171171NA172167161NA169169170172172172NA171171171171NA171174176NA187189189
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 162NA163163163NA164165165NA164164166NA168168168NA168164158NA166166166168168168NA165165165164NA164166169NA178180180
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.05NA0.20.920.820.88999999999999971.010.930.811.23999999999999980.730.730.650.64000000000000010.760.640.650.65999999999999970.780.990.620.61000000000000030.60.530.50.560.480.47NANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.04NA0.20.90.810.87999999999999990.990.910.791.210.720.720.640.63000000000000030.740.620.640.64999999999999990.770.970.610.60000000000000010.580.520.50.550.470.46NANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ██▇▇▇▇▆▇▆▆▆▅▅▅▅▅▅▆▆▅▄▄▄▃▃▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁689676652652625613598601581570549523502506498498492560550497459464448423409438421403415398398373346351340327312293287281276
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments vrsk:Claims,vrsk:Insurance▆▇██▇▆▆▅▄▅▄▂▁145150156156147146142140132135134120113NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments vrsk:UnderwritingandRating,vrsk:Insurance█▆▅▆▅▄▃▄▃▂▂▂▁344318310312303289285288280269261262253NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments vrsk:EnergyandSpecializedMarkets██▆▅▄▄▄▄▃▂▂▂▁160160142139130130127129125116111110106NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments vrsk:Insurance█▇▇▇▆▅▄▅▄▃▃▂▁489469466468451436427429412405396382366NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical country:US███▆▆▅▅▅▄▃▃▂▁523515515493480475464460449439435409396NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical vrsk:Othercountries█▇▃▇▄▄▄▅▄▄▂▂▁1201149411510097981049697868882NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ██▇▇▇▇▆▇▆▆▆▅▅▅▅▅▅▆▆▅▄▄▄▃▃▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁689676652652625613598601581570549523502506498498492560550497459464448423409438421403415398398373346351340327312293287281276
us-gaap:CostOfRevenue ██▆▆▅▄▄▄▄▃▂▁257259242242231224219222221208198193NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:StatementBusinessSegments vrsk:EnergyandSpecializedMarkets██▅▄▃▃▃▃▃▂▁▁707160595653535655504948NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:StatementBusinessSegments vrsk:Insurance██▇▇▆▅▄▄▃▃▂▁163163158158150145142141138135129125NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▆▆█▆▅▅▅▅▅▄▄▄▃▄▃▃▃▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁437476577434422397387389386360340328314320299307300364341343281287273264260269269255256243243234207212208203193179173174169
us-gaap:SellingGeneralAndAdministrativeExpense ▃▄█▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▁▁▁▁▁112124255112111979593918780787577777571837991585656575759615956585862535251554945404237
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments vrsk:EnergyandSpecializedMarkets▄██▄▄▄▃▃▃▂▁▁▁38535440373734343430282728NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments vrsk:Insurance▂▂█▂▂▁▂▁▁▁▁▁▁686719566685557535253484945NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss █▆▁▇▆▇▆▆▆▆▆▆▅▅▆▆▆▆▆▄▅▅▅▄▄▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂25220075218202216211212194210208195187185198191192195208153178177175159148169151147158155155138138138131123119113113107106
us-gaap:InterestExpense ▇▇▇▆▇▇▇▇▇▇▆▆▆▆▆▇▇▇▇█▃▃▃▃▃▃▄▄▄▃▃▃▃▂▂▂▁▁▁▁▁33333130313232313232302828282831323233371817171717181920201818171614141499888
us-gaap:IncomeTaxExpenseBenefit ▇▆▄▆▆▆▅▆▅▁█▇▇▇▇▇▇▇█▆███▇▇▇▇▇▆▇▇▇▇▇▇▇▇▆▆▆▆45396363533263129-2560485252445350496137606058534654474640535347484445434438424042
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us-gaap:NetIncomeLoss ▅▄▁▅▄▄▅▅▄▆▄▄▃▃▄█▃▃▄▅▃▃▃▃▄▃▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂17113232150134146166153133204120121108109127261921131311639897998811596848098828273748070656565625855
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ██▇▇▇▇▇▇▇▇▆▅▅▅▅▅▆▆▆▆▂▂▃▃▃▂▂▃▂▂▂▂▂▁▁▁▁▁69287055628962346341590058516039624660205628489847484631468547255459561556195775240423452677267526402429243925162360230323031853189215411379140812861217NANANA
us-gaap:Liabilities ██▇▆▇▆▆▆▆▇▆▅▅▅▅▅▇▇▇▇▂▃▂▂▂▂▂▃▃▃▃▂▂▂▁▁▁▁48474794422540234170382937093966406240943955343233633298320932754168424343054531207221341951199820401946207321632104216121611806190216391538155213951331NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▇▇▇▇▇▆▅▅▅▅▅▆▆▆▆▂▂▃▃▃▂▂▃▂▂▂▂▂▁▁▁▁▁69287055628962346341590058516039624660205628489847484631468547255459561556195775240423452677267526402429243925162360230323031853189215411379140812861217NANANA
us-gaap:StockholdersEquity ▇█▇██▇█▇█▇▆▆▅▅▆▆▅▅▅▅▂▂▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁2080226020632210217020702141207321841925167214651385133214751449129013721313124433121172567659948336535225514214246-10-98-158-144-109-114NANANA
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 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings████▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁435342284136414540363942379636303476330831032982286127522643251622542161204719161752165415561457136911661070986905807807724651576496425359293NANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent █▇█▇▇▆▅▆▇▅▅▄▄▄▄▄▅▅▅▅▄▃▇▆▆▄▄▅▃▂▂▃▃▄▁▂▂▁814744831710734644593625708597544522513500464496586604617609453384705704679461493552390361361397419453271295311240NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▄▆▃▃▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▁███▄▃▅▂▂▂▂▂▄▁▁▂▁▂▂▃2041843111531791391471321491421421401551351641961311381681451523943241942718017226789979797114191525110154107106130
us-gaap:AccountsReceivableNetCurrent █▇▆▇▇▅▄▅▆▅▄▃▄▃▃▃▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▂▁523441405442438356324347424345285266298263229241297320266267226220188177173167186190178175175173194153152145163126NANANA
us-gaap:OtherAssetsCurrent ▂▂▂▃▅▅▄▆▇▄▄▂▃▂▃▂▅▅██▂▂▂▃▄▃▃▃▄▃▃▄▄▄▃▃▁▁19171826515046587039362028202619525283852318143235283431393333463941282977NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NoncurrentAssets ▇█▅▅▆▅▅▅▆▅▄▂▁▁▁▁▃▄▄▄61146310545855235606525552575414553854225083437542344130422042124872501150015165NA1960NANANANANANANANANANANANANANANANANANANA
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us-gaap:PropertyPlantAndEquipmentNet ▇▇████▇▇▇▆▆▅▅▅▅▄▅▆▅▅▄▄▄▄▃▃▂▂▂▂▂▂▁▁▁▁▁▁54954858656655755551850148947843740337738035533434141839138630330228127225121918516715414414413312411911010710093NANANA
us-gaap:Goodwill ██▇▇▇▇▁▁▇▇▇▆▆▆▆▆▆▇▇▇▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂374238643367340034313361404134543368318827332653257826322629270331343119305712071207118411841184125012491248124712201220934933709712712632632NANANA
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us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▇▆▆▆▆▆▆▇▇▆▅▅▅▅▅▆▇▇█▂▂▂▂▂▂▂▂▃▃▃▂▂▁▁▁▁▁13061398114111931249122712541289135613451256105210271010106911041191137614151655392406406420434471486503520530530363375226232241191200NANANA
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us-gaap:OtherAssetsNoncurrent █▄▄▄▃▃▄▆▆▆▅▅▅▄▄▃▁▂▂▁▁▁▁▁▁▁▁▂▂▂▂▁▁▁▁▁▁▁2971591301201169913023422121418317016012512111924484339242627242427244447464623382127282626NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LiabilitiesCurrent ▇▇▄▄▅▆▅▇▇▆▅▃▃▂▂▂▆▇▇█▃▃▂▂▂▂▂▃▂▃▃▂▂▁▂▂▂▃1597149197392010581324121914661558133712037376726215566151416147915401710709771561608515456585650585668668612567349506511492720NANANA
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ▇██▅▅▅▅▄▄▄▄▃▃▃▄▃▃▅▅▅▂▃▃▃▃▃▃▃▃▃▃▃▂▃▂▂▁▂31537536223623626324321622322521016116218319216317924526624614218016415715617115715018717617615314416214612188111NANANA
us-gaap:TaxesPayableCurrent █▃▂▂▂▃▁▁▃▂21644250063NANANA0NA1670NANANANANANA8NANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel2,us-gaap:FairValueMeasurementsRecurring███▅▅▁▄▄26502650264924262425203122832282NA2280NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▇█▇██▇█▇█▇▆▆▅▅▆▆▅▅▅▅▂▂▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁2080226020632210217020702141207321841925167214651385133214751449129013721313124433121172567659948336535225514214246-10-98-158-144-109-114NANANA
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us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▃▁▂▃▂▃▃▅▄▄▃▂▁▃▃▅▆▆███████▇▇▇█████████-658-486-678-592-532-591-509-474-309-412-443-526-616-650-518-457-316-242-179-83-80-80-42-42-42-86-88-88-89-76-76-77-77-78-53-53-54-55NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▄▅▄█▄▅▄▇▃▃▂▇▂▂▁▇▂▃▂▆▂▂▁▅362176213200366173226207327151162111317828574303103164842701109154232NA55191147133133-21895113641145946835137
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▅▆▇▆▆▇▆▇▆▅▆▆▆▇█▇▆▇▁▇▆▇▇▇-87-653-106-47-120-16166-101-68-281-629-87-107-86-71681-31-111-29-2840-25-75-31-39109NA-35-27-44-451-451-19-367-17-13-159-13-214-6-7-14
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▃▂▂▂▂▂▂▃▃▂▂▂▂▁▂▂▂█▂▂▂▂▂-25534551-179-206-21-271-122-254128467-40-192-25-37-692-277-22-1002735-132-427-47-22-81NA-11414-1103183184100104-12168-8667-61-51-62
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▄▅▄█▄▅▄▇▃▃▂▇▂▂▁▇▂▃▂▆▂▂▁▅362176213200366173226207327151162111317828574303103164842701109154232NA55191147133133-21895113641145946835137
us-gaap:NetIncomeLoss ▅▄▁▅▄▄▅▅▄▆▄▄▃▃▄█▃▃▄▅▃▃▃▃▄▃▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂17113232150134146166153133204120121108109127261921131311639897998811596848098828273748070656565625855
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▅▄▁▅▄▄▅▅▄▆▄▄▃▃▄█▃▃▄▅▃▃▃▃▄171132321501341461661531332041201211081091272619211313116398979988115NA8480988282737480706565NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▅▆▇▆▆▇▆▇▆▅▆▆▆▇█▇▆▇▁▇▆▇▇▇-87-653-106-47-120-16166-101-68-281-629-87-107-86-71681-31-111-29-2840-25-75-31-39109NA-35-27-44-451-451-19-367-17-13-159-13-214-6-7-14
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▅▆▆▄▄█▅▅▄▇▃▃▂▅▃▂▂▆▄▂▁▄▁▃▃52646046457655564369414131573631306045352443273936NA352818191919171713141316687
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▃▂▂▂▂▂▂▃▃▂▂▂▂▁▂▂▂█▂▂▂▂▂-25534551-179-206-21-271-122-254128467-40-192-25-37-692-277-22-1002735-132-427-47-22-81NA-11414-1103183184100104-12168-8667-61-51-62
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▁▁▅▁█▁▁▁▁0022103970000NANANANA00NANA00NANA00NANANANANA0NANANANA2470NANANA0NANA
us-gaap:PaymentsOfDividends █████▁▁▁▁43404041400000NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividends █████▁▁▁▁43404041400000NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▃▂▂▂▂▃▂▃▁▁▁▃▂▃▂▁▂▁▁▁▁█▂▁▂173100755075156102143360101669914466011620000595603388NA11322NANANA6936NANANA73NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-09-302012-06-302012-03-312011-12-31
Value100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Shares Issued

Common Stock Shares Issued

us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesIssued

us-gaap:CommonClassA



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value544544544544544544544544544544544544544544544544544544544544544544544544544544544544544544544544544350350150150
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-312012-09-302012-06-302012-03-312011-12-31
Value162163163163163163164164165164164166169157166165165164
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312009-10-06
Value2000200020002000200020002000200020002000200020002000120012001200120012001200120012001200800
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value165166166166168168168167168170171171171172167161169169170172172172171171171171171174176187189189
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 End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value162163163163164165165164164166168168168168164158166166166168168168165165165164164166169178180180
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

Earnings Per Share Diluted

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1.050.20.920.820.88999999999999971.010.930.811.23999999999999980.730.730.650.64000000000000010.760.640.650.65999999999999970.780.990.620.61000000000000030.60.530.50.560.480.47
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1.040.20.90.810.87999999999999990.990.910.791.210.720.720.640.63000000000000030.740.620.640.64999999999999990.770.970.610.60000000000000010.580.520.50.550.470.46
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value689676652652625613598601581570549523502506498498492560550497459464448423409438421403415398398373346351340327312293287281276
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

vrsk:Claims, vrsk:Insurance



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
Value145150156156147146142140132135134120113
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.122.224.023.923.623.823.823.422.723.724.423.022.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.122.224.023.923.623.823.823.422.723.724.423.022.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:Claims vrsk:Insurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:UnderwritingandRating, vrsk:Insurance



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
Value344318310312303289285288280269261262253
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.947.147.547.948.647.247.648.048.347.347.750.150.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.947.147.547.948.647.247.648.048.347.347.750.150.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:UnderwritingandRating vrsk:Insurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

vrsk:EnergyandSpecializedMarkets



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
Value160160142139130130127129125116111110106
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.223.721.821.420.921.221.321.621.620.420.321.121.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.223.721.821.420.921.221.321.621.620.420.321.121.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:EnergyandSpecializedMarkets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:FinancialServices



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
Value40474344434743424348413029
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.87.06.66.86.97.77.27.07.48.57.65.85.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.87.06.66.86.97.77.27.07.48.57.65.85.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:FinancialServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:Insurance



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
Value489469466468451436427429412405396382366
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.969.371.571.872.271.171.471.471.071.172.173.173.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.969.371.571.872.271.171.471.471.071.172.173.173.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:Insurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

country:GB



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
Value45464244444036363533272623
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.66.96.46.87.16.66.16.06.05.95.15.04.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.66.96.46.87.16.66.16.06.05.95.15.04.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:GB100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US



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
Value523515515493480475464460449439435409396
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax75.976.279.075.676.977.577.576.677.377.079.278.278.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax75.976.279.075.676.977.577.576.677.377.079.278.278.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:Othercountries



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
Value1201149411510097981049697868882
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.516.914.517.616.015.916.417.416.617.115.716.816.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.516.914.517.616.015.916.417.416.617.115.716.816.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:Othercountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value689676652652625613598601581570549523502506498498492560550497459464448423409438421403415398398373346351340327312293287281276
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Cost Of Revenue

us-gaap:CostOfRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value257259242242231224219222221208198193
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.438.437.237.237.036.536.637.038.136.636.237.0

us-gaap:StatementBusinessSegments

vrsk:EnergyandSpecializedMarkets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value707160595653535655504948
Percentage of CostOfRevenue27.427.724.724.624.423.924.325.325.224.124.725.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.210.69.29.19.08.78.99.49.68.88.99.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:EnergyandSpecializedMarkets44.044.842.142.643.241.141.743.344.443.144.044.2

vrsk:FinancialServices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value232424242424232426232019
Percentage of CostOfRevenue9.39.210.010.210.511.010.911.012.111.210.29.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.53.73.83.94.04.04.14.64.13.73.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:FinancialServices59.350.756.055.856.551.855.258.362.248.348.462.3

vrsk:Insurance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value163163158158150145142141138135129125
Percentage of CostOfRevenue63.463.165.365.365.165.164.863.762.764.765.165.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.724.224.324.324.123.823.723.523.923.723.524.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:Insurance33.434.934.033.833.433.433.233.033.633.332.732.9

Cost Of Services

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value437476577434422397387389386360340328314320299307300364341343281287273264260269269255256243243234207212208203193179173174169
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.470.488.466.567.664.864.764.766.563.262.062.762.763.460.261.760.965.162.069.161.261.960.962.463.761.364.063.461.861.161.162.959.960.561.462.261.961.260.462.061.5

Research And Development Expense

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value112124255112111979593918780787577777571837991585656575759615956585862535251554945404237
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.318.439.117.217.815.916.015.515.815.314.715.115.115.315.615.214.414.914.418.312.712.212.513.513.913.514.514.613.514.714.716.715.615.015.117.115.715.414.315.113.6

us-gaap:StatementBusinessSegments

vrsk:EnergyandSpecializedMarkets



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
Value38535440373734343430282728
Percentage of SellingGeneralAndAdministrativeExpense34.742.621.536.233.838.435.637.537.134.735.035.237.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.67.98.46.26.06.15.75.85.95.35.25.35.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:EnergyandSpecializedMarkets24.333.138.429.028.728.826.726.927.226.025.425.126.5

vrsk:FinancialServices



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
Value4445544453422
Percentage of SellingGeneralAndAdministrativeExpense4.33.21.94.84.84.84.35.25.84.54.92.53.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.60.70.80.90.80.70.80.90.70.70.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:FinancialServices11.98.511.112.212.69.99.511.412.38.19.66.67.8

vrsk:Insurance



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
Value686719566685557535253484945
Percentage of SellingGeneralAndAdministrativeExpense61.054.276.759.061.456.860.157.357.160.860.162.359.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.910.030.010.210.99.09.68.99.09.38.99.49.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax vrsk:Insurance14.014.441.914.215.212.713.412.412.713.112.312.812.4

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25220075218202216211212194210208195187185198191192195208153178177175159148169151147158155155138138138131123119113113107106
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.629.611.633.532.435.235.335.333.536.838.037.337.336.639.838.339.134.938.030.938.838.139.137.636.338.736.036.638.238.938.937.140.139.538.637.838.138.839.638.038.5

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-05-142015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value333331303132323132323028282828313232334371817171717181920201818171614141499888
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 RevenueFromContractWithCustomerExcludingAssessedTax4.94.94.84.75.15.35.45.35.65.65.55.45.75.65.76.36.55.86.00.07.64.03.83.94.14.34.34.75.05.04.54.54.74.74.24.34.53.13.23.03.03.1

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

Income Loss From Continuing Operations

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Nonoperating Income Expense

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value45396363533263129-2560485252445350496137606058534654474640535347484445434438424042
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.55.90.95.75.75.44.55.25.0-4.510.99.310.410.49.010.810.38.811.37.613.213.013.112.711.512.511.311.69.713.513.512.814.012.613.513.314.113.214.814.315.4

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0323-539019463130-11236235203211142-226512117513615999599888116988480858383737555706666
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.047.8-8.213.931.010.421.8-1.940.741.337.140.428.4-4.513.224.43.69.16.632.121.612.822.020.928.422.420.120.020.720.920.919.721.815.820.820.421.4

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17113232150134146166153133204120121108109127261921131311639897998811596848098828273748070656565625855
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.919.55.023.021.523.827.725.522.935.922.023.121.621.625.652.518.820.323.932.821.520.922.120.828.222.020.020.023.620.820.819.621.522.820.920.021.122.521.920.720.1

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value17113232150134146166153133204120121108109127261921131311639897998811584809882737480706565
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.919.55.023.021.523.827.725.522.935.922.023.121.621.625.652.518.820.323.932.821.520.922.120.828.220.020.023.620.819.621.522.820.920.021.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value69287055628962346341590058516039624660205628489847484631468547255459561556195775240423452677267526402504242924392516236023031853189215411379140812861217
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value48474794422540234170382937093966406240943955343233633298320932754168424343054531207221341951199820401956194620732163210421611806190216391538155213951331
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.068.067.264.565.864.963.465.765.068.070.370.170.871.268.569.376.475.676.678.586.291.072.974.777.378.180.185.086.089.293.897.5100.5106.4111.5110.3108.5109.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value69287055628962346341590058516039624660205628489847484631468547255459561556195775240423452677267526402504242924392516236023031853189215411379140812861217
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value208022602063221021702070207021412073218419251925167214651385133214751449129013721313124433121172567659954748336535225514246-10-98-158-144-109-114-34-1009
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.032.032.835.534.20.035.136.634.335.00.032.029.729.929.228.831.530.723.624.423.421.513.89.027.125.322.721.919.915.014.010.86.22.5-0.5-6.4-11.5-10.3-8.5-9.40.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-658-486-678-592-532-591-591-509-474-309-412-412-443-526-616-650-518-457-316-242-179-83-80-80-42-42-42-43-86-88-88-89-76-77-77-78-53-53-54-55-53-82
Percentage of StockholdersEquity-31.7-21.5-32.9-26.8-24.5-28.6-28.6-23.8-22.9-14.2-21.4-21.4-26.5-35.9-44.5-48.8-35.2-31.5-24.5-17.6-13.7-6.7-24.1-38.2-5.9-6.3-7.1-7.9-17.9-24.2-25.2-34.9-54.1-165.7754.679.533.837.050.348.8153.48.2
Percentage of Assets-9.5-6.9-10.8-9.5-8.40.0-10.0-8.7-7.9-5.00.0-6.8-7.9-10.7-13.0-14.1-11.1-9.7-5.8-4.3-3.2-1.5-3.3-3.4-1.6-1.6-1.6-1.7-3.6-3.6-3.5-3.8-3.3-4.2-4.1-5.1-3.9-3.8-4.3-4.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value240423692357233623012283228322652235220121802180216521532134212121002071203820231999197111901171125612401224120211561116107710449919639178748378077667546520
Percentage of StockholdersEquity115.6104.8114.2105.7106.1110.3110.3105.8107.8100.8113.2113.2129.5146.9154.0159.2142.4142.9158.0147.5152.2158.4358.9555.0173.1183.5204.2219.5239.4305.6305.7408.8698.22063.0-8948.0-888.2-527.1-559.3-702.7-659.5-1867.2-0.0
Percentage of Assets34.733.637.537.536.30.038.738.737.035.20.036.238.544.044.945.844.843.837.336.035.634.149.549.946.946.446.448.047.645.842.844.343.152.048.556.860.757.459.662.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value43534228413641454036394239423796363034763308330831032982286127522643251622542161204719161752165415561457136912541166107098690580772465157649642535929351-243
Percentage of StockholdersEquity209.2187.0200.4187.5185.9190.4190.4177.3175.1159.2171.8171.8185.5203.5206.5206.6179.2173.5174.7157.6155.9154.0528.4783.8214.4215.6228.5229.0241.6292.9279.8354.4568.41552.0-6348.1-585.4-312.4-294.4-329.7-256.7-146.724.1
Percentage of Assets62.859.965.866.563.60.066.864.960.155.70.054.955.160.960.359.456.453.341.338.536.433.272.970.558.154.551.950.148.043.939.238.435.139.134.437.436.030.228.024.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-4018-3849-3751-3679-3635-3563-3563-3411-3317-3185-3150-3150-3153-3144-2993-2891-2750-2680-2686-2571-2554-2559-2531-2533-2044-1979-1951-1864-1753-1733-1622-1605-1579-1563-1501-1471-1438-1323-1179-1106-683-683
Percentage of StockholdersEquity-193.2-170.3-181.8-166.4-167.5-172.1-172.1-159.3-160.0-145.8-163.6-163.6-188.5-214.5-216.0-217.0-186.4-184.9-208.1-187.4-194.5-205.7-763.2-1200.6-281.6-292.8-325.5-340.6-363.0-474.2-460.2-628.1-1112.2-3348.414636.51493.6905.3916.21081.4966.71957.167.7
Percentage of Assets-58.0-54.6-59.7-59.0-57.30.0-60.4-58.3-54.9-51.00.0-52.3-56.0-64.2-63.0-62.4-58.7-56.7-49.2-45.8-45.5-44.3-105.3-108.0-76.3-74.0-73.9-74.5-72.2-71.1-64.5-68.0-68.6-84.3-79.4-95.5-104.2-94.0-91.7-90.90.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:ParValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0136000.0135000.0130000.0100000.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.10.10.3-1.3-0.1-0.1-0.1-0.1-0.1-0.4-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets vrsk:ParValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value814744831710734644593625708597544522513500464496586604617609453384705704679474461493552390361397419453271295311240
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.710.613.211.411.610.910.110.411.39.99.710.710.810.89.910.510.710.811.010.618.916.426.426.325.719.019.020.222.016.515.721.422.229.419.721.024.219.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value204184311153179139147132149142142140155135164196131138168145152394324194271651801722678997971141915251101541071061307133
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.65.02.52.82.42.52.22.42.42.52.93.32.93.54.22.42.53.02.56.41.716.215.716.26.67.47.110.63.84.25.26.112.43.83.77.94.50.00.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value523441405442438356324347424348345285266298263229241297320266267226220188177173158167186190178175173194153152145163126
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 Assets7.66.36.47.16.96.05.55.86.80.05.75.15.46.35.74.95.15.45.74.74.69.49.47.06.76.66.36.97.67.67.67.69.410.39.911.110.312.710.4

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
Value1917182651504658703936202820261952528385231814323534283431393346394128297721
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 Assets0.30.30.30.40.80.90.81.01.10.60.60.40.60.40.60.41.00.91.51.51.00.80.51.21.31.41.21.41.31.71.52.52.12.72.02.10.60.60.0

Noncurrent Assets

us-gaap:NoncurrentAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value611463105458552356065255525754145538542250834375423441304220421248725011500151651960
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets88.389.486.888.688.489.189.989.688.790.190.389.389.289.290.189.289.389.289.089.483.6

us-gaap:StatementGeographical

country:GB



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value25052685247725762662259525752627275726562658225621792102279937
Percentage of NoncurrentAssets41.042.645.446.647.549.449.048.549.849.052.351.651.550.955.91.9
Percentage of Assets36.238.139.441.342.044.044.043.544.144.147.246.145.945.449.81.6
Percentage of Assets country:GB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value3172316225542530253723352360246124412438210117921746175422001893
Percentage of NoncurrentAssets51.950.146.845.845.344.444.945.544.145.041.341.041.242.543.996.6
Percentage of Assets45.844.840.640.640.039.640.340.839.140.537.336.636.837.939.280.7
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:Othercountries



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value4364624264174063243223243383273223263082731129
Percentage of NoncurrentAssets7.17.37.87.67.36.26.16.06.16.06.47.57.36.60.21.5
Percentage of Assets6.36.66.86.76.45.55.55.45.45.45.76.76.55.90.21.3
Percentage of Assets vrsk:Othercountries0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value54954858656655755551850148947843740337738035533434141839138630330228127225123321918516715414413312411911010710093
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.97.89.39.18.89.48.98.37.87.97.88.28.08.27.67.16.37.47.06.712.612.910.510.29.59.39.07.66.66.56.37.26.67.78.07.67.87.7

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-03-292018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value37423864336734003431693361404134543368318827332653257826322629270331343119305712071207118411841184118112501249124812471220934933709712712632632490
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.054.853.554.654.10.057.00.70.755.356.056.755.855.955.756.255.749.555.855.552.950.251.544.244.344.947.251.551.249.652.953.050.449.346.151.650.649.252.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, vrsk:EnergyandSpecializedMarkets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2270238920482096211720542085211322052149
Percentage of Goodwill60.761.860.861.661.761.15112.35142.163.963.8
Percentage of Assets32.833.932.633.633.434.835.635.035.335.7
Percentage of Assets us-gaap:OperatingSegments vrsk:EnergyandSpecializedMarkets0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, vrsk:FinancialServices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value474476471473473473472474472469
Percentage of Goodwill12.712.314.013.913.814.11157.11153.513.713.9
Percentage of Assets6.96.77.57.67.58.08.17.87.67.8
Percentage of Assets us-gaap:OperatingSegments vrsk:FinancialServices0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, vrsk:Insurance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value997998846831841833781785776749
Percentage of Goodwill26.725.825.124.524.524.81914.51910.522.522.2
Percentage of Assets14.414.213.513.313.314.113.313.012.412.4
Percentage of Assets us-gaap:OperatingSegments vrsk:Insurance0.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value13061398114111931249122712541289135613451256105210271010106911041191137614151655392406406420434447471486503520530363375226232241191200
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.919.818.119.219.720.821.421.421.722.322.321.521.621.822.823.421.824.525.228.716.317.315.215.716.517.919.419.920.022.123.019.619.914.716.917.114.916.5

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ContractualRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value00000000000000000001100000000
Percentage of IntangibleAssetsNetExcludingGoodwill0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.70.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:ContractualRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value587623464482502494508512530530456377359354365375400416524964277285283290298306323331339347
Percentage of IntangibleAssetsNetExcludingGoodwill44.944.540.740.440.240.340.539.839.139.436.435.935.035.134.234.033.630.237.158.270.870.369.669.168.768.568.768.167.466.7
Percentage of Assets8.58.87.47.77.98.48.78.58.58.88.17.77.67.77.87.97.37.49.316.711.512.210.610.911.312.213.313.613.514.7
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:DatabaseRelated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value351377356373387371385396424416429371361361383401436455469
Percentage of IntangibleAssetsNetExcludingGoodwill26.927.031.231.331.130.330.730.731.330.934.235.335.135.835.936.436.633.133.2
Percentage of Assets5.15.35.76.06.16.36.66.66.86.97.67.67.67.88.28.58.08.18.4
Percentage of Assets vrsk:DatabaseRelated0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:MarketingRelated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value15617116217017817818319020520119718418118018819521122123313614161821242629323538
Percentage of IntangibleAssetsNetExcludingGoodwill12.012.214.214.314.314.514.714.715.114.915.817.517.717.817.717.717.816.116.58.23.74.14.65.15.56.06.36.77.07.3
Percentage of Assets2.32.42.62.72.83.03.13.13.33.33.53.83.83.94.04.13.93.94.22.40.60.70.70.80.91.11.21.31.41.6
Percentage of Assets vrsk:MarketingRelated0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:TechnologyRelated



Period End2020-03-312019-12-312019-09-302018-12-31
Value211227157183
Percentage of IntangibleAssetsNetExcludingGoodwill16.216.213.814.9
Percentage of Assets3.13.22.53.1
Percentage of Assets vrsk:TechnologyRelated0.00.00.00.0

Finite Lived Intangible Assets Net

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2971591301201169913023422124121418317016012512111924484339242627242420272444474623382127282626
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 Assets4.32.32.11.91.81.72.23.93.60.03.63.33.53.42.72.62.50.40.90.80.71.01.11.00.90.90.81.11.01.82.02.01.32.01.42.02.02.02.2

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1597149197392010581324121914661558133712037376726215566151416147915401710709771561608515431456585650585668612567349506511492720
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.121.115.514.816.722.420.824.324.922.221.415.014.213.411.913.026.026.327.429.629.532.921.022.819.517.218.824.025.824.829.033.030.022.736.736.338.359.2

Debt Current

Long Term Debt Current

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value31537536223623626126324321622322521016116218319216317924526624614218016415715618817115715018717615314416214612188111
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.65.35.83.83.70.04.54.23.63.63.73.73.33.44.04.13.53.34.44.74.35.97.76.15.95.97.57.06.56.08.07.78.37.710.610.68.66.99.2

Taxes Payable Current

us-gaap:TaxesPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-06-302016-03-312015-12-312014-03-312013-12-31
Value216442500630167080
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.00.0100.00.0
Percentage of Assets0.30.10.10.10.00.10.00.00.10.10.00.30.10.00.30.0

Accrued Income Taxes Current

Other Liabilities Current

Long Term Debt

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LongTermDebt

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value265026502649242624252031228322822280
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.337.642.138.938.334.439.037.837.9
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.0

Long Term Notes And Loans

us-gaap:DebtInstrument

us-gaap:LongTermNotesAndLoans

vrsk:NotesFivePointFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3453453453453453453453453453453453453453453443443443443483480
Percentage of LongTermNotesAndLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets5.04.95.55.55.45.95.95.75.55.76.17.07.37.47.47.36.36.16.26.00.0
Percentage of Assets vrsk:NotesFivePointFive0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:NotesFourPoint



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value8938938938928928928918918918908908908898898898898888888958950
Percentage of LongTermNotesAndLoans258.6258.6258.5258.5258.3258.4258.3258.3258.2258.2258.0258.0257.9257.9257.8257.8257.7257.7256.7256.70.0
Percentage of Assets12.912.714.214.314.115.115.214.814.314.815.818.218.719.219.018.816.315.815.915.50.0
Percentage of Assets vrsk:NotesFourPoint0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:NotesFourPointOneTwoFiveDueTwoThousandTwentyNine



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6136136133943940
Percentage of LongTermNotesAndLoans177.6177.7177.7114.1114.10.0
Percentage of Assets8.98.79.86.36.20.0
Percentage of Assets vrsk:NotesFourPointOneTwoFiveDueTwoThousandTwentyNine0.00.00.00.00.00.0

vrsk:NotesFourPointOneTwoFiveDueTwoThousandTwentyTwo



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value348348348348347347347347347347347346346346346346346348348348347347347347347347347347347347
Percentage of LongTermNotesAndLoans100.9100.8100.8100.8100.7100.7100.7100.6100.6100.6100.6100.5100.5100.4100.4100.4100.4101.099.899.80.00.00.00.00.00.00.00.00.00.0
Percentage of Assets5.04.95.55.65.55.95.95.85.65.86.27.17.37.57.47.36.36.26.26.014.514.813.013.013.213.914.314.213.814.7
Percentage of Assets vrsk:NotesFourPointOneTwoFiveDueTwoThousandTwentyTwo0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:SeniorNotesFivePointEightZeroDueFirstMayTwoThousandTwentyOne



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value449449449449448448448448448448448447447447447447447449449449449449449449449449449449449449449
Percentage of LongTermNotesAndLoans130.1130.0130.1130.0130.0130.0129.9129.9129.9129.9129.8129.8129.8129.7129.8129.7129.7130.4128.8128.80.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets6.56.47.17.27.17.67.77.47.27.48.09.19.49.79.69.58.28.08.07.818.719.216.816.817.017.918.518.417.819.029.1
Percentage of Assets vrsk:SeniorNotesFivePointEightZeroDueFirstMayTwoThousandTwentyOne0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value49484883847710410410510613589818060545753605447434343434436455274788262806179808990
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 Assets0.70.70.81.31.30.01.81.81.81.72.21.61.71.71.31.21.21.01.11.00.81.81.81.61.61.71.41.92.13.03.33.63.44.24.05.85.77.07.4

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value208022602063221021702070207021412073218419251925167214651385133214751449129013721313124433121172567659954748336535225514246-10-98-158-144-109-114-34-1009
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.032.032.835.534.20.035.136.634.335.00.032.029.729.929.228.831.530.723.624.423.421.513.89.027.125.322.721.919.915.014.010.86.22.5-0.5-6.4-11.5-10.3-8.5-9.40.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-658-486-678-592-532-591-591-509-474-309-412-412-443-526-616-650-518-457-316-242-179-83-80-80-42-42-42-43-86-88-88-89-76-77-77-78-53-53-54-55-53-82
Percentage of StockholdersEquity-31.7-21.5-32.9-26.8-24.5-28.6-28.6-23.8-22.9-14.2-21.4-21.4-26.5-35.9-44.5-48.8-35.2-31.5-24.5-17.6-13.7-6.7-24.1-38.2-5.9-6.3-7.1-7.9-17.9-24.2-25.2-34.9-54.1-165.7754.679.533.837.050.348.8153.48.2
Percentage of Assets-9.5-6.9-10.8-9.5-8.40.0-10.0-8.7-7.9-5.00.0-6.8-7.9-10.7-13.0-14.1-11.1-9.7-5.8-4.3-3.2-1.5-3.3-3.4-1.6-1.6-1.6-1.7-3.6-3.6-3.5-3.8-3.3-4.2-4.1-5.1-3.9-3.8-4.3-4.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value240423692357233623012283228322652235220121802180216521532134212121002071203820231999197111901171125612401224120211561116107710449919639178748378077667546520
Percentage of StockholdersEquity115.6104.8114.2105.7106.1110.3110.3105.8107.8100.8113.2113.2129.5146.9154.0159.2142.4142.9158.0147.5152.2158.4358.9555.0173.1183.5204.2219.5239.4305.6305.7408.8698.22063.0-8948.0-888.2-527.1-559.3-702.7-659.5-1867.2-0.0
Percentage of Assets34.733.637.537.536.30.038.738.737.035.20.036.238.544.044.945.844.843.837.336.035.634.149.549.946.946.446.448.047.645.842.844.343.152.048.556.860.757.459.662.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value43534228413641454036394239423796363034763308330831032982286127522643251622542161204719161752165415561457136912541166107098690580772465157649642535929351-243
Percentage of StockholdersEquity209.2187.0200.4187.5185.9190.4190.4177.3175.1159.2171.8171.8185.5203.5206.5206.6179.2173.5174.7157.6155.9154.0528.4783.8214.4215.6228.5229.0241.6292.9279.8354.4568.41552.0-6348.1-585.4-312.4-294.4-329.7-256.7-146.724.1
Percentage of Assets62.859.965.866.563.60.066.864.960.155.70.054.955.160.960.359.456.453.341.338.536.433.272.970.558.154.551.950.148.043.939.238.435.139.134.437.436.030.228.024.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-4018-3849-3751-3679-3635-3563-3563-3411-3317-3185-3150-3150-3153-3144-2993-2891-2750-2680-2686-2571-2554-2559-2531-2533-2044-1979-1951-1864-1753-1733-1622-1605-1579-1563-1501-1471-1438-1323-1179-1106-683-683
Percentage of StockholdersEquity-193.2-170.3-181.8-166.4-167.5-172.1-172.1-159.3-160.0-145.8-163.6-163.6-188.5-214.5-216.0-217.0-186.4-184.9-208.1-187.4-194.5-205.7-763.2-1200.6-281.6-292.8-325.5-340.6-363.0-474.2-460.2-628.1-1112.2-3348.414636.51493.6905.3916.21081.4966.71957.167.7
Percentage of Assets-58.0-54.6-59.7-59.0-57.30.0-60.4-58.3-54.9-51.00.0-52.3-56.0-64.2-63.0-62.4-58.7-56.7-49.2-45.8-45.5-44.3-105.3-108.0-76.3-74.0-73.9-74.5-72.2-71.1-64.5-68.0-68.6-84.3-79.4-95.5-104.2-94.0-91.7-90.90.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:ParValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0136000.0135000.0130000.0100000.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.10.10.3-1.3-0.1-0.1-0.1-0.1-0.1-0.4-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets vrsk:ParValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-09-302012-06-302012-03-312011-12-31
Value100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0137000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value43534228413641454036394237963630347633433308310329822861275226432516225421612047191617521654155614571369125411661070986905807724651576496425359293
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 Assets62.859.965.866.563.666.864.960.155.70.054.955.160.960.359.456.453.341.338.536.433.272.970.558.154.551.950.148.043.939.238.435.139.134.437.436.030.228.024.1

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value40183849375136793635356334113317318531503153314429932891275026802686257125542559253125332044197919511864175317331622160515791563150114711438132311791106
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.054.659.759.057.360.458.354.951.052.356.064.263.062.458.756.749.245.845.544.3105.3108.076.374.073.974.572.271.164.568.068.684.379.495.5104.294.091.790.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-658-486-678-592-532-591-509-474-309-412-443-526-616-650-518-457-316-242-179-83-80-80-42-42-42-43-86-88-88-89-76-77-77-78-53-53-54-55
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-9.5-6.9-10.8-9.5-8.4-10.0-8.7-7.9-5.0-6.8-7.9-10.7-13.0-14.1-11.1-9.7-5.8-4.3-3.2-1.5-3.3-3.4-1.6-1.6-1.6-1.7-3.6-3.6-3.5-3.8-3.3-4.2-4.1-5.1-3.9-3.8-4.3-4.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value36217621320036617322620732715116211131782857430310316484270110915423255191147133-21895113641145946835137
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.626.132.730.758.628.237.834.556.326.529.621.463.316.317.115.061.718.529.917.059.023.820.512.856.813.247.435.433.5-0.654.714.840.212.746.532.123.912.749.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-87-653-106-47-120-16166-101-68-281-629-87-107-86-71681-31-111-29-2840-25-75-31-39109-35-27-44-451-19-367-17-13-159-13-214-6-7-14
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.7-96.5-16.3-7.3-19.2-26.311.1-16.9-11.8-49.4-114.6-16.7-21.4-17.0-14.3136.8-6.4-19.8-5.4-570.7-5.5-16.1-6.9-9.326.8-8.4-6.8-10.8-113.2-5.3-105.9-5.0-4.1-48.6-4.3-73.1-2.3-2.8-5.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-25534551-179-206-21-271-122-254128467-40-192-25-37-692-277-22-1002735-132-427-47-22-81-11414-1103184100104-12168-8667-61-51-62
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-37.051.17.9-27.6-33.0-3.5-45.3-20.4-43.722.585.1-7.7-38.3-5.1-7.5-138.9-56.4-4.0-18.2549.7-28.7-92.0-10.5-5.4-19.9-27.23.5-26.679.91.229.129.8-35.720.8-27.623.1-21.6-18.4-22.7

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value36217621320036617322620732715116211131782857430310316484270110915423255191147133-21895113641145946835137
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.626.132.730.758.628.237.834.556.326.529.621.463.316.317.115.061.718.529.917.059.023.820.512.856.813.247.435.433.5-0.654.714.840.212.746.532.123.912.749.7

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17113232150134146166153133204120121108109127261921131311639897998811596848098828273748070656565625855
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.919.55.023.021.523.827.725.522.935.922.023.121.621.625.652.518.820.323.932.821.520.922.120.828.222.020.020.023.620.820.819.621.522.820.920.021.122.521.920.720.1

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value17113232150134146166153133204120121108109127261921131311639897998811584809882737480706565
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.919.55.023.021.523.827.725.522.935.922.023.121.621.625.652.518.820.323.932.821.520.922.120.828.220.020.023.620.819.621.522.820.920.021.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-87-653-106-47-120-16166-101-68-281-629-87-107-86-71681-31-111-29-2840-25-75-31-39109-35-27-44-451-19-367-17-13-159-13-214-6-7-14
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.7-96.5-16.3-7.3-19.2-26.311.1-16.9-11.8-49.4-114.6-16.7-21.4-17.0-14.3136.8-6.4-19.8-5.4-570.7-5.5-16.1-6.9-9.326.8-8.4-6.8-10.8-113.2-5.3-105.9-5.0-4.1-48.6-4.3-73.1-2.3-2.8-5.4

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value526460464576555643694141315736313060453524432739363528181919171713141316687
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-25534551-179-206-21-271-122-254128467-40-192-25-37-692-277-22-1002735-132-427-47-22-81-11414-1103184100104-12168-8667-61-51-62
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-37.051.17.9-27.6-33.0-3.5-45.3-20.4-43.722.585.1-7.7-38.3-5.1-7.5-138.9-56.4-4.0-18.2549.7-28.7-92.0-10.5-5.4-19.9-27.23.5-26.679.91.229.129.8-35.720.8-27.623.1-21.6-18.4-22.7

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302012-12-312011-12-312011-09-302010-09-30
Value0022103970000000000024700
Percentage of ProceedsFromIssuanceOfLongTermDebt0.00.0100.00.0100.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.0

Repayments Of Long Term Debt

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-312020-03-312019-12-312019-12-312019-09-302019-09-302019-06-282019-06-302019-03-292019-03-312018-12-312018-09-302018-06-302018-03-31
Value434340404040414140400000
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-312020-03-312019-12-312019-12-312019-09-302019-09-302019-06-282019-06-302019-03-292019-03-312018-12-312018-09-302018-06-302018-03-31
Value434340404040414140400000
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-06-302012-03-312011-03-31
Value17310075507515610214336010166991446601162000059560338811322693673
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.2080.0109999999999999820.1550.1970.210.00580.13910.17030.1804-0.118099999999999980.33190.2880.32470.0060999999999999940.260.33490.31690.0035000000000000030.31980.18760.38120.00219999999999997970.37220.37870.3570.36190.36170.367-0.027799999999999990.39310.39310.39470.394-0.011000000000000010.3920.3990.401-0.0109999999999999540.4030.4090.435
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber



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
Value6666667888998899899108999891011111214151618202222232623
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value144964.093960.094081.093842.042050.042050.00.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber2.11.51.41.40.60.60.00.0

us-gaap:RestrictedStock



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
Value566449.0428729.0462087.0463588.0528062.0533335.0590272.0591186.0586055.0604464.0588832.0590933.0523168.0537667.0515331.0545165.0516488.0533768.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber8.36.77.06.88.17.88.17.27.16.86.46.36.26.15.75.75.85.9

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice



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
Value91.8679.5178.0476.8668.6167.2765.160.9254.8753.3152.2951.9547.0246.6746.0945.5540.2140.1739.3538.031.2231.1130.9230.6427.126.6726.8926.2323.0822.2120.8719.9717.8416.5515.6913.3313.3313.3510.747.79
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value170.4158.5158.85158.85140.7140.70.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice185.5199.3203.5206.7205.1209.20.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value121.0107.9698.63105.3188.488.5578.2873.34
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice131.7135.8126.4137.0128.8131.6146.8157.1

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

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value196818981011878866710556144356464559454835563
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-03-292019-01-012018-12-31
Value20821822223023902470
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.00.0

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
Value204184311153179139147132149142135
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType

us-gaap:AcceleratedShareRepurchasesInitialPricePaidPerShare

vrsk:March2020ShareRepurchaseProgram, us-gaap:SubsequentEvent



Period End2020-04-01
Value139.38
Percentage of AcceleratedShareRepurchasesInitialPricePaidPerShare100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value19681898101187886671055614435646455945483
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value19681898101187886671055614435646455945483
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0110111111
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4137333333323332332827232222222323331828141414141415171717151512888886677
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-03-312011-03-312010-03-31
Value1000000221121110120000010
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01000-11011-10100012-430-100004300120001000
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAcquiredFromAcquisition



Period End2020-03-312019-12-312019-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value03630300027180310105035000000602900008001
Percentage of CashAcquiredFromAcquisition0.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.00.00.00.00.0100.00.0100.00.00.0100.00.0100.00.00.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19-127158-2640-815-177
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-02-122019-10-232019-07-242019-09-302019-04-292019-06-302019-03-292019-02-132019-03-31
Value0.270.250.250.250.250.250.250.250.25
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-02-122019-10-232019-07-242019-04-29
Value0.270.250.250.25
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value-500000.0200000.0100000.0400000.0-400000.0200000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLoss100.0100.0100.0100.0100.0100.0

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
Value0.00.0-100000.0-100000.0-100000.0-100000.0-100000.0-100000.0-100000.0-100000.0-100000.0-100000.0-100000.0-100000.00.0-200000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

vrsk:PensionPlanAndSupplementalCashBalancePlan



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-1-10-1-10000-1-1-1-1000
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses0.00.0700.01600.01200.0800.0800.0800.0800.01100.01100.01200.01000.0700.00.0400.0

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
Value0.0100000.00.0100000.00.0100000.00.00.0100000.00.0100000.0100000.0100000.0100000.0100000.0100000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets0.0100.00.0100.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0

vrsk:PensionPlanAndSupplementalCashBalancePlan



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
Value7779688877777777
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets0.07700.00.09100.00.08300.00.00.07700.00.07800.07700.07800.07900.07900.07900.0

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
Value0.0100000.00.0200000.00.0100000.00.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0
Percentage of DefinedBenefitPlanInterestCost0.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:PensionPlanAndSupplementalCashBalancePlan



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
Value3334333434444444
Percentage of DefinedBenefitPlanInterestCost0.03800.00.02350.00.03800.00.04000.03600.04200.04300.04400.04200.04800.04900.04700.0

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
Value0.00.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.00.0100000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

vrsk:PensionPlanAndSupplementalCashBalancePlan



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-3-2-3-2-1-3-3-3-3-2-2-2-2-2-2-2
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost0.00.0-3000.0-2700.0-1500.0-3600.0-3600.0-3800.0-3300.0-2400.0-2400.0-2100.0-2500.0-2300.00.0-2400.0

us-gaap:Dividends



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1000000.0-400000.0800000.0100000.0100000.00.00.00.0
Percentage of Dividends100.0100.0100.0100.0100.00.00.00.0

us-gaap:DividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value4440414141
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value4440414141
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value040101-503
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense



Period End2020-03-312019-09-302019-06-302019-03-31
Value200000.0400000.0400000.0400000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability



Period End2020-03-312019-09-302019-06-302019-03-31
Value200000.0400000.0400000.0400000.0
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments



Period End2020-03-312019-09-302019-06-302019-03-31
Value1622
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization



Period End2020-03-312019-09-302019-06-302019-03-31
Value1432
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1



Period End2020-03-312019-09-302019-03-312018-09-30
Value19-600
Percentage of GainLossOnDispositionOfAssets1100.0100.00.00.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312016-03-31
Value-124122-59-4137-49
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, vrsk:EnergyandSpecializedMarkets



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-98-47-3130-19-9056
Percentage of GoodwillForeignCurrencyTranslationGainLoss78.879.377.280.30.00.00.0

us-gaap:OperatingSegments, vrsk:FinancialServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1000000.0-500000.0100000.0100000.0-700000.0-700000.0-300000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss0.80.8-0.20.30.00.00.0

us-gaap:OperatingSegments, vrsk:Insurance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-25-11-97-4-1811
Percentage of GoodwillForeignCurrencyTranslationGainLoss20.419.923.119.40.00.00.0

us-gaap:GoodwillPurchaseAccountingAdjustments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312015-03-312013-06-302013-03-312012-12-312012-09-30
Value0-100000000
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, vrsk:EnergyandSpecializedMarkets



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1000-8-10
Percentage of GoodwillPurchaseAccountingAdjustments-200.00.00.0-0.00.00.00.0

us-gaap:OperatingSegments, vrsk:FinancialServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000-120
Percentage of GoodwillPurchaseAccountingAdjustments-22.20.00.050.00.00.00.0

us-gaap:OperatingSegments, vrsk:Insurance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2000022
Percentage of GoodwillPurchaseAccountingAdjustments322.2100.0100.050.00.00.00.0

us-gaap:GoodwillTransfers



Period End2020-03-31
Value1
Percentage of GoodwillTransfers100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, vrsk:EnergyandSpecializedMarkets



Period End2020-03-31
Value-19
Percentage of GoodwillTransfers-1026.3

us-gaap:OperatingSegments, vrsk:FinancialServices



Period End2020-03-31
Value0.0
Percentage of GoodwillTransfers0.0

us-gaap:OperatingSegments, vrsk:Insurance



Period End2020-03-31
Value21
Percentage of GoodwillTransfers1126.3

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value216172381871701791921851621791801691611601721601601631932011591591571411311511311271381361361211231241161091101041059898
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:IncomeTaxesPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value440375372123525354410046771146246238436557802700-3133613517731633620
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-62-113833-2924414-363811-2841919-46-7265-3314246-3223-36827-3-202276-227157-25
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9615-3588133-18-7174492-373138-11-553454-1-446301157-4123-10-203417-2037-1611-1442
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value237-60-95-50217-50-72-75199-18-63-57168-22-77-53146-12-69-68106-4-55-34116-26113-19-37-35112-12-25-3384-8-26-3288
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-06-302012-03-31
Value4112-1425-1610-2124817-5148-36-161249632-4556-310-2671-23471247
Percentage of IncreaseDecreaseInIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0-2-700-500-29-1-7-2-6-1-34-405-200000-22-3-50-5-2-14-5-9-4-8-5-41
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1809-9-652136481341135-4-97-6-2-2-1102026-2-720-407-2-404
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value20323033303330223033303334440555606770899
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value22421645154317441945
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value14161515
Percentage of LeaseCost100.0100.0100.0100.0

us-gaap:NumberOfOperatingSegments



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-31
Value3.00.00.00.00.00.03.0
Percentage of NumberOfOperatingSegments100.00.00.00.00.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value219222-42112
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value114122-31111
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value12111212
Percentage of OperatingLeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-09-302019-06-302019-03-31
Value13101112
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent



Period End2020-03-312019-09-302019-03-312018-09-30
Value0-1-10
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent



Period End2020-03-312019-09-302019-03-312018-09-30
Value-172-8758-35
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value04000-10000
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-171196-86-5960-91-34-164103
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value117111-35101
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent-0.69.1-1.4-2.02.539.3-2.9-0.41.2

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-172178-87-6058-55-35-165102
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.690.9101.4102.097.560.7102.9100.498.8

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-30
Value-171191-86-5959-82-35-16410331839033-131-61-140-74-62-95-30-37000100-120000-240
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-31
Value-171191-86-5959-82-35-16410331839033-131-61-140-74-62-95-30-3700000-12
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-171191-86-5959-82-35-164103
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value013111-26001
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-0.57.0-1.3-1.71.832.6-0.8-0.41.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-172178-87-6058-55-35-165102
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.593.0101.3101.798.267.4100.8100.499.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value04000-9000
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value04000-9000
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OtherOperatingIncome



Period End2020-03-312019-03-31
Value190
Percentage of OtherOperatingIncome100.00.0

us-gaap:OtherOperatingIncomeExpenseNet



Period End2020-03-312019-03-31
Value190
Percentage of OtherOperatingIncomeExpenseNet100.00.0

us-gaap:StatementBusinessSegments

vrsk:FinancialServices



Period End2020-03-312019-03-31
Value30
Percentage of OtherOperatingIncomeExpenseNet18.00.0

vrsk:Insurance



Period End2020-03-312019-03-31
Value150
Percentage of OtherOperatingIncomeExpenseNet82.00.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6001600037000-900000000000000000000
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.00.0100.00.00.0100.00.00.00.00.00.00.00.00.0100.0100.00.00.00.00.00.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value011120000000000001390000030400100
Percentage of PaymentsOfDebtIssuanceCosts0.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.00.00.00.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.00.0

us-gaap:PaymentsToAcquireEquityMethodInvestments



Period End2020-03-312019-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value63000-5005000002
Percentage of PaymentsToAcquireEquityMethodInvestments100.00.00.0100.0100.00.00.0100.00.00.0100.00.00.0100.0

us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

vrsk:VexcelGroupInc, vrsk:ImagerySourcingGroup



Period End2020-02-01
Value63
Percentage of PaymentsToAcquireEquityMethodInvestments0.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-1-3-6-3-2-7-1-500-1-5000-2-1-1-2-1-1-1-20-1-1-2-1-1-1-2
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets



Period End2020-03-312019-03-31
Value230
Percentage of ProceedsFromSaleOfProductiveAssets100.00.0

us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths



Period End2020-03-312019-03-312018-12-312017-12-312016-09-302015-09-302014-09-30
Value20000000
Percentage of ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths100.00.00.00.00.00.00.0

us-gaap:ProceedsFromStockOptionsExercised



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19613201112272917931478161147139835771812241018141410143153160
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProvisionForDoubtfulAccounts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value121211111000000000000000000000000000000
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value11011-6000
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00011-4000
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00000-1000
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfShortTermDebt



Period End2020-03-312019-03-312018-03-312017-03-312015-06-302015-03-312013-03-312012-12-312012-07-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value75245235100-80130100101450279150-6262
Percentage of RepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00002470000
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.00.00.00.0100.00.00.00.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:PerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value21100
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value66445
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue290.5461.5383.3940.01020.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value49672.031402.044739.088401.011118.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-30
Value0.0432.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod0.01.40.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value8842.03945.08213.014785.02079.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod17.812.618.416.718.7

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value113.26-2.35999999999999945.799999999999997-7.56000000000000296.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value118.6-0.2199999999999988612.319999999999993-0.089999999999989297.71
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice104.79.3212.41.2101.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value883282.022549.040292.0857557.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.0100.0100.0100.00.0

us-gaap:AwardType

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-30
Value50736.00.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross5.70.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-30
Value149040.03690.010496.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross16.916.426.0

us-gaap:AwardType, us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

vrsk:EmployeeStockPurchasePlan, vrsk:USESPP



Period End2020-03-312019-03-31
Value9451.08310.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value43.28-1.5799999999999983-0.1999999999999957415.22999999999999737.75
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value107.870.0-0.07000000000000739-15.420000000000002100.09
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice249.2-0.035.0-101.2265.1

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice



Period End2020-03-312019-12-312019-09-30
Value158.630.51999999999998180.5900000000000034
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:AwardType

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-30
Value192.930.00.0
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice121.60.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-30
Value158.620.459999999999979540.8400000000000034
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.088.5142.4

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5434443
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value11929.09455.013906.010625.011504.02970.013131.010141.02580.02568.07963.02377.08444.00.013571.0567.011968.00.05004.0840.00.00.03387.0588.00.0
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.00.0100.0100.00.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312012-06-302012-03-31
Value0000012
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value2478.033103.03784.0202734.03194.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.620.51.549.31.0

us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockOption



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value449007.0252109.0410906.0307270.0932600.0776300.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value11111-200000000000
Percentage of StockIssuedDuringPeriodValueOther100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value11101000000000000
Percentage of StockIssuedDuringPeriodValueOther91.790.990.980.090.9-0.087.587.50.00.00.069.69800.091.10.00.090.7

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value100000.0100000.0100000.0200000.0100000.00.0100000.0100000.00.00.0100000.017000.097000.04000.082000.00.034000.0
Percentage of StockIssuedDuringPeriodValueOther8.39.19.120.09.1-0.012.512.50.00.00.030.4-9700.08.90.00.09.3

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1961326111227331793177132223620231113779153328522339443629
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value14510228819261262145111920517191010667122824431932352921
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised75.975.081.584.975.068.869.779.771.768.175.080.474.083.285.684.684.482.482.086.083.485.685.686.185.086.084.682.983.183.580.778.772.6

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value41242486420312330341211124493687
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised24.125.018.515.125.031.230.320.328.331.925.019.626.016.814.415.415.617.618.014.016.614.414.413.915.014.015.417.116.916.519.321.3

us-gaap:TreasuryStockSharesAcquired



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-06-302015-03-312014-12-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1000-201000111001000006710110001013
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareRepurchaseProgram

vrsk:May2010ShareRepurchaseProgram



Period End2020-03-312019-09-30
Value10
Percentage of TreasuryStockSharesAcquired100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1731007550751561011403901015510414373011620059065308811621290-2346838
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1731007550751561011403901015510414373011620049065308811621290-2346838
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.083.1100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:AcceleratedShareRepurchasesInitialPriceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-04-012019-01-022019-03-312018-12-312018-10-012018-07-022018-06-30
Value308746.0334802.0490716.0361473.0300752.0636590.0636590.0422844.0331812.0371609.0703421.0
Percentage of AcceleratedShareRepurchasesInitialPriceShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType

vrsk:March2020ShareRepurchaseProgram, us-gaap:SubsequentEvent



Period End2020-04-01
Value430477.0
Percentage of AcceleratedShareRepurchasesInitialPriceShares0.0

us-gaap:ShareRepurchaseProgram

vrsk:AcceleratedShareRepurchasesPurchasePrice

vrsk:March2020ShareRepurchaseProgram



Period End2020-03-31
Value75
Percentage of AcceleratedShareRepurchasesPurchasePrice100.0

vrsk:CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsCurrentAssetsHeldForSale



Period End2020-03-312019-03-31
Value300000.00.0
Percentage of CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsCurrentAssetsHeldForSale100.00.0

vrsk:ChangeInDeferredIncomeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0-1-27-3327-700-69-40016-7-1117-58-702700-3006300023-310
Percentage of ChangeInDeferredIncomeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:ContingentGainonSaleofAssets



Period End2020-03-312019-03-31
Value30
Percentage of ContingentGainonSaleofAssets100.00.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

vrsk:DataWarehouseBusiness



Period End2020-03-31
Value3
Percentage of ContingentGainonSaleofAssets100.0

vrsk:DebtIssuanceCostIncludedInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-09-302019-03-312018-09-30
Value0110
Percentage of DebtIssuanceCostIncludedInAccountsPayableAndAccruedLiabilities0.0100.0100.00.0

vrsk:DeferredTaxLiabilityEstablishedOnDateOfAcquisition



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302012-12-312012-09-302011-12-312011-09-30
Value0402000-2-11900
Percentage of DeferredTaxLiabilityEstablishedOnDateOfAcquisition0.0100.0100.0100.0100.00.0100.0100.0100.00.0

us-gaap:RetirementPlanType

vrsk:DefinedBenefitPlanPlanAssetsContributionsbyEmployerNet

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-400000.0-100000.00.0-300000.0200000.0-200000.0
Percentage of DefinedBenefitPlanPlanAssetsContributionsbyEmployerNet100.0100.00.0100.0100.0100.0

vrsk:PensionPlanAndSupplementalCashBalancePlan



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value200000.0200000.0200000.0200000.0200000.0300000.0
Percentage of DefinedBenefitPlanPlanAssetsContributionsbyEmployerNet-50.0-200.00.0-66.7100.0-150.0

vrsk:DepreciationAndAmortizationOfFixedAssets



Period End2020-03-312019-03-31
Value4646
Percentage of DepreciationAndAmortizationOfFixedAssets100.0100.0

vrsk:EarningsBeforeInterestIncomeTaxesDepreciationAmortizationFromReportableSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value337290149297281288297290268275272254245235252499263262278296216214211194238202185179189182182163159158151143139131129124123
Percentage of EarningsBeforeInterestIncomeTaxesDepreciationAmortizationFromReportableSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

vrsk:EnergyandSpecializedMarkets



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
Value50322939363841413334333431
Percentage of EarningsBeforeInterestIncomeTaxesDepreciationAmortizationFromReportableSegment14.911.319.413.312.813.313.814.212.512.512.213.412.9

vrsk:FinancialServices



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
Value141981413181613112117910
Percentage of EarningsBeforeInterestIncomeTaxesDepreciationAmortizationFromReportableSegment4.46.55.44.74.76.25.64.54.27.76.53.84.2

vrsk:Insurance



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
Value272238112243232231240236224220221210203
Percentage of EarningsBeforeInterestIncomeTaxesDepreciationAmortizationFromReportableSegment80.882.275.282.082.480.480.681.383.379.881.382.882.9

vrsk:FinanceLeaseObligationIncurred



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1971137
Percentage of FinanceLeaseObligationIncurred100.0100.0100.0100.0100.0100.0100.0

vrsk:GainLossonDisposalofFixedAssets



Period End2020-03-312019-03-31
Value-300000.00.0
Percentage of GainLossonDisposalofFixedAssets100.00.0

vrsk:HeldForSaleAssetsContributedToANonPublicCompany



Period End2020-03-312019-03-31
Value650
Percentage of HeldForSaleAssetsContributedToANonPublicCompany100.00.0

vrsk:IncreaseDecreaseinAcquisitionRelatedLiabilities



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value02944890
Percentage of IncreaseDecreaseinAcquisitionRelatedLiabilities100.0100.0100.0100.0100.0100.0

vrsk:IncreaseDecreaseinOperatingLeaseLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1022899000
Percentage of IncreaseDecreaseinOperatingLeaseLiabilities100.0100.0100.0100.0100.00.00.00.0

vrsk:IncreaseDecreaseinOperatingLeaseRightofUseAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9229-88000
Percentage of IncreaseDecreaseinOperatingLeaseRightofUseAssets100.0100.0100.0100.0100.00.00.00.0

vrsk:InvestmentLossIncomeandOtherNet



Period End2020-03-312019-03-31
Value-20
Percentage of InvestmentLossIncomeandOtherNet100.0100.0

us-gaap:StatementBusinessSegments

vrsk:FinancialServices



Period End2020-03-312019-03-31
Value-400000.00.0
Percentage of InvestmentLossIncomeandOtherNet19.0-0.0

vrsk:Insurance



Period End2020-03-312019-03-31
Value-10
Percentage of InvestmentLossIncomeandOtherNet57.1-25.0

vrsk:NonoperatingIncomeExpenseAndInterestExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-35-36-31-32-18-27-32
Percentage of NonoperatingIncomeExpenseAndInterestExpense100.0100.0100.0100.0100.0100.0100.0

vrsk:OperatingLeaseObligationsAdditionsNetofTerminations



Period End2020-03-312019-03-31
Value10
Percentage of OperatingLeaseObligationsAdditionsNetofTerminations100.00.0

vrsk:PaymentstoAcquireBusinessesNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value04006903921564
Percentage of PaymentstoAcquireBusinessesNet0.0100.00.0100.0100.0100.0100.0100.0

vrsk:ProvisionForCreditLossesRelatedToEquityInvestments



Period End2020-03-31
Value0.0
Percentage of ProvisionForCreditLossesRelatedToEquityInvestments0.0

us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:LimitedPartner



Period End2020-03-31
Value0.0
Percentage of ProvisionForCreditLossesRelatedToEquityInvestments0.0

vrsk:RepaymentsofLongtermDebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00002500000
Percentage of RepaymentsofLongtermDebtCurrent0.00.00.00.0100.00.00.00.00.0

vrsk:RevenueRemainingPerformanceObligationCurrentPercentage



Period End2020-03-312019-12-31
Value0.990.0
Percentage of RevenueRemainingPerformanceObligationCurrentPercentage100.00.0

us-gaap:AwardType

vrsk:SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsDividendsReinvestedinPeriod

us-gaap:PerformanceShares



Period End2020-03-312019-12-31
Value268.0311.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsDividendsReinvestedinPeriod100.0100.0

us-gaap:AwardType

vrsk:SharebasedCompensationArrangementbySharebasedPaymentAwardTargetLevels

us-gaap:PerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-31
Value1.00.00.01.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardTargetLevels100.00.00.0100.0

us-gaap:Range, us-gaap:AwardType

srt:Maximum, us-gaap:PerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value2.00.00.02.00.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardTargetLevels200.00.00.0200.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value86861001011021037676777887888989747575767576767741414141858687887576767753535455
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-572-400-578-490-430-488-433-397-231-334-356-438-528-561-444-382-241-165-103-7-3-3-1-1-1-1-1-1-10-1-1000000
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value240423692357233623012283226522352201218021652153213421212100207120382023199919711190117112561240122412021156111610771044991963917874837807766754
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1311986555444443332557657544545444344334
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent



Period End2020-03-312019-12-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302013-12-31
Value0140000627600013
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent0.0100.00.00.00.00.0100.0100.00.00.00.0100.0

us-gaap:AwardType, us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

vrsk:EmployeeStockPurchasePlan, vrsk:USESPP



Period End2020-03-31
Value1
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0

us-gaap:PlanName

vrsk:TwoThousandThirteenEquityIncentivePlan



Period End2020-03-31
Value3
Percentage of CommonStockCapitalSharesReservedForFutureIssuance239.7

us-gaap:ContractWithCustomerLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-01
Value672440463564607385435515589386
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value668440460559602383
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302018-12-31
Value66635849
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value265026502650245024502300230023002300230023002300230023002300230023002300230023001050
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscount

vrsk:NotesFivePointFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-05-152014-12-31
Value4444444444455555551100
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

vrsk:NotesFourPoint



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-05-152014-12-31
Value6677778889991010101011114400
Percentage of DebtInstrumentUnamortizedDiscount142.2148.9152.2158.7167.4168.1174.5177.1183.3185.7193.9196.0202.0208.0209.9214.1218.2222.3392.6399.4500.00.0

vrsk:NotesFourPointOneTwoFiveDueTwoThousandTwentyNine



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-03-062018-12-31
Value1313-136620
Percentage of DebtInstrumentUnamortizedDiscount300.0308.9-302.2130.4130.40.00.0

vrsk:NotesFourPointOneTwoFiveDueTwoThousandTwentyTwo



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value11112222223333333111222222222220
Percentage of DebtInstrumentUnamortizedDiscount33.335.639.141.345.748.951.154.258.359.261.264.066.070.071.874.176.535.6162.8167.20.00.00.00.00.00.00.00.00.00.00.00.0

vrsk:SeniorNotesFivePointEightZeroDueFirstMayTwoThousandTwentyOne



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value0001111111122222200000000000000
Percentage of DebtInstrumentUnamortizedDiscount13.315.617.421.723.925.529.831.235.436.738.842.044.048.048.750.953.210.548.550.40.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredFinanceCostsNoncurrentNet



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
Value122222333344444455
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value99101111111515161516161515
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-01-012017-12-312016-12-312015-12-31
Value349356322351354350349337322329
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DefinedBenefitPlanDebtSecurity



Period End2020-03-312019-12-312018-12-31
Value0.450.40.4
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0100.0100.0

us-gaap:DefinedBenefitPlanEquitySecurities



Period End2020-03-312019-12-312018-12-31
Value0.550.60.6
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage122.2150.0150.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent



Period End2020-03-312019-12-312018-12-31
Value01100
Percentage of DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent0.0100.00.0

us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

vrsk:VexcelGroupInc, vrsk:ImagerySourcingGroup



Period End2020-02-01
Value0.35
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

us-gaap:EquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1414141488888
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:LimitedPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13131310115777
Percentage of EquityMethodInvestments98.693.693.677.1131.070.283.384.585.7

us-gaap:FinanceLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-30
Value773532
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset



Period End2020-03-312019-12-31
Value99
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.0370.0450.0450.044
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value795776726706679640613583563523493461433409391371352463431413384370356341327313341325308291273258246237229220211202
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ContractualRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value55555555555555444666666666666666666666
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.60.60.70.70.70.80.80.90.91.01.01.11.21.21.31.31.41.41.51.61.71.81.81.92.02.11.92.02.12.22.42.52.72.72.82.93.03.1

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value289278258250238223212199189174161149138128121113105155140135121113105978982898173655750454239363331
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization36.435.835.635.535.235.034.634.233.633.232.732.332.031.430.930.529.933.632.632.831.630.629.628.627.426.226.325.123.922.621.119.618.618.017.416.716.015.4

vrsk:DatabaseRelated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value107107949086787469675851443732282420148
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization13.513.813.012.912.812.312.211.911.911.210.49.68.77.87.36.55.73.22.0

vrsk:MarketingRelated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value9594878582777470686259545047454240666260575452494644494643413835343332302928
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization12.012.112.012.012.112.112.112.112.112.012.111.811.711.611.611.611.514.314.614.714.814.814.614.514.314.114.514.314.214.113.913.913.814.014.014.014.114.2

vrsk:TechnologyRelated



Period End2020-03-312019-12-312019-09-302018-12-31
Value298291281255
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization37.537.638.739.9

us-gaap:FiniteLivedIntangibleAssetsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value21022175186719001928186818671872192018681750151314601420146014751544184018462068776776762762762761812812812812804622622464461461403403
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ContractualRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value555555555555554446618666666666666666666
Percentage of FiniteLivedIntangibleAssetsGross0.20.20.30.30.30.30.30.30.30.30.30.30.30.40.30.30.30.40.40.90.80.80.90.90.90.90.80.80.80.80.81.11.11.41.41.41.61.6

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value8769017237337417187207117197046185264984834864885056536651099399399388388388388413413413413414273273173172172145145
Percentage of FiniteLivedIntangibleAssetsGross41.741.438.838.638.438.438.638.037.537.735.334.834.134.033.333.132.735.536.053.251.451.450.950.950.951.050.850.850.850.851.543.943.937.337.337.336.136.1

vrsk:DatabaseRelated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value458484450464474450459465491474481416398393412425456470478
Percentage of FiniteLivedIntangibleAssetsGross21.822.324.124.424.624.124.624.925.625.427.527.527.327.728.228.829.625.625.9

vrsk:MarketingRelated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value252265249255260255258260273263257238232227234238252292295197717171717171797979797563634848484040
Percentage of FiniteLivedIntangibleAssetsGross12.012.213.413.413.513.713.813.914.214.114.715.815.916.016.016.116.415.916.09.59.29.29.39.39.39.39.79.79.79.79.410.210.210.510.410.410.110.1

vrsk:TechnologyRelated



Period End2020-03-312019-12-312019-09-302018-12-31
Value510519438438
Percentage of FiniteLivedIntangibleAssetsGross24.323.923.523.5

us-gaap:IncomeTaxesReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value0252325634112282834523491158484565126530287674254154536
Percentage of IncomeTaxesReceivable0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:InvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, vrsk:RegisteredInvestmentCompanies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value333333433
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent



Period End2020-03-312019-12-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value01800003139000090
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent0.0100.00.00.00.00.0100.0100.00.00.00.00.0100.00.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent



Period End2020-03-312019-12-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value03800006968000040
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent0.0100.00.00.00.00.0100.0100.00.00.00.00.0100.00.0

us-gaap:ShortTermDebtType

us-gaap:LineOfCreditFacilityFairValueOfAmountOutstanding

us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value4404951070170415285480480715595120010000705870900102030160
Percentage of LineOfCreditFacilityFairValueOfAmountOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-08-152019-08-142016-09-302016-06-302016-05-262016-05-252015-04-22
Value10001000150015001500150017501750
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-05-052020-02-182019-10-29
Value2040250
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.00.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312012-12-31
Value555500984142513241078840
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility

us-gaap:LetterOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value445456
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.81.00.50.30.40.6

us-gaap:LongTermDebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2652265126682447244320502044204420412284227822762281228022792273227122932292229311001100113611351270127112711266126612661301105410991100853854700401
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4444992481180672
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value309631512693252826232723
Percentage of LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LongTermDebtFairValue

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value289529022906264325652347232523352439
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-03-292019-01-012018-12-31
Value38403938370390
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-31
Value1982082122202302360
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.040.0390.040.039
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value66607162596363596152533842392528283030404637293131372625253131212528282123262517
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation



Period End2020-03-312019-12-312018-12-31
Value672443385
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value145121.093960.094081.093842.042050.042050.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302017-12-312017-06-302016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value0000000020000000000000000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber390.3456.3484.2493.41255.81268.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value344444455566566666776777677888910101213151514
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value66.9465.0563.3262.5257.3855.9453.2749.0643.3641.541.0840.0735.6935.3535.0634.1729.729.8128.8927.7323.924.023.923.3121.4220.9821.8421.4220.0218.3716.5815.6813.8512.3511.2510.439.399.22
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue



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
Value324449528477418284403383403380286302290302319340355334338359355303281281288360393375443361396459486445399479443478522179
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharePrice



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value139.38149.34158.14146.46133.0109.0496.081.17
Percentage of SharePrice100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1



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
Value275352418390306231322333330326259282269281293317321307318340324286271272261320336330340286297348351337
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermBorrowings



Period End2020-03-312019-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value4444991371831952652011305165170129437
Percentage of ShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:StockRepurchaseProgramAuthorizedAmount1

vrsk:February2020ShareRepurchaseProgram, us-gaap:CommonClassA



Period End2020-02-12
Value500
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0

vrsk:May2010ShareRepurchaseProgram, us-gaap:CommonClassA



Period End2020-03-31
Value3800
Percentage of StockRepurchaseProgramAuthorizedAmount10.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-02-12
Value500
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value381380380380380380379379378379379379378377375375376374374375385386378377377376375376375376377378378379380378374372
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

vrsk:AcquisitionRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302018-12-31
Value1091118112
Percentage of AcquisitionRelatedLiabilitiesCurrent100.0100.0100.0100.0

vrsk:PercentageOfOwnershipOnOutstandingCommonStockRequiredToBecomeRelatedParty



Period End2020-03-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-06-302015-03-312014-12-312014-12-312014-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.050.050.050.050.050.050.050.050.050.050.050.050.050.050.050.050.050.050.050.00.00.00.050.00.00.00.050.00.00.00.05
Percentage of PercentageOfOwnershipOnOutstandingCommonStockRequiredToBecomeRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:AwardType

vrsk:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestNumberOfShares

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value288444.0150400.0183231.0174053.081998.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestNumberOfShares100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value487007.0366529.0428029.0396784.0443221.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestNumberOfShares168.8243.7233.6228.0540.5

us-gaap:AwardType, us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan

vrsk:ValueOfCommonStockIssuedToEmployeesPerShare

vrsk:EmployeeStockPurchasePlan, vrsk:USESPP



Period End2020-03-312019-09-302019-03-312018-09-30
Value132.41138.02126.35105.14
Percentage of ValueOfCommonStockIssuedToEmployeesPerShare100.0100.0100.0100.0

Line plots across dimensions of each concept

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


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical


us-gaap:CostOfRevenue us-gaap:StatementBusinessSegments


us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:NoncurrentAssets us-gaap:StatementGeographical


us-gaap:Goodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass


us-gaap:LongTermNotesAndLoans us-gaap:DebtInstrument


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents