HLI


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

Table of contents


us-gaap:StatementClassOfStock
us-gaap:CommonStockValue
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesIssued
us-gaap:TitleOfIndividual, us-gaap:StatementClassOfStock

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:GrossProfit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:StatementGeographical

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebt
us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InterestPaidNet

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
us-gaap:ConsolidationItems

us-gaap:OperatingExpenses
us-gaap:ConsolidationItems

us-gaap:OperatingIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

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

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LongTermDebt

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

hli:AccountsReceivableAllowanceforCreditLossWriteoffsNetRecovery

hli:AccountsReceivableCreditLossExpenseReversalNet
us-gaap:StatementEquityComponents
hli:AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationRestrictedStockUnitorRestrictedStockAwardVested
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
hli:BusinessCombinationEstimatedConsiderationToBeTransferred

hli:ChangeInOperatingLeaseRightOfUseAssetDueToRemeasurement

hli:IncreaseDecreaseInDueToTerminatedEmployees

hli:IncreaseDecreaseinContractwithCustomerLiabilityCurrent

hli:IncreaseDecreaseinContractwithCustomerReceivablesNet

hli:IncreaseDecreaseinUnbilledWorkinProcess

hli:IncreaseDecreaseinUnbilledWorkinProcessNetofAcquisition

hli:OperatingLeaseNonCashLeaseExpense

hli:ProceedsFromRepaymentOfLoansToNonAffiliates

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsForfeitedInPeriod

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsOffersToGrantInPeriod

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedConvertedToCashPayments

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrants

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrantsShares

hli:SharesIssuedViaVestingOfLiabilityClassifiedAwards
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
hli:StockRepurchasedAndForfeitedDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:CashAcquiredFromAcquisition
us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommunicationsAndInformationTechnology

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:ConversionOfStockAmountConverted1

us-gaap:DefinedContributionPlanCostRecognized

us-gaap:Depreciation

us-gaap:DepreciationAndAmortization
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStock

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:GoodwillPeriodIncreaseDecrease
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets
us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:InterestExpenseRelatedParty

us-gaap:LaborAndRelatedExpense

us-gaap:LeaseAndRentalExpense

us-gaap:LeaseCost

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherCostAndExpenseOperating

us-gaap:PaymentsForRepurchaseOfEquity

us-gaap:PaymentsForRepurchaseOfOtherEquity

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProfessionalFees

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShortTermLeaseCost
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:SubleaseIncome

us-gaap:TravelAndEntertainmentExpense

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:UnrealizedGainLossOnInvestments

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

us-gaap:VariableLeaseCost

us-gaap:WeightedAverageNumberOfSharesRestrictedStock
us-gaap:StatementClassOfStock
dei:EntityCommonStockSharesOutstanding

hli:AllowanceForDoubtfulAccounts

hli:AllowanceForDoubtfulAccountsUnbilledReceivablesWorkInProcess
us-gaap:BalanceSheetLocation, us-gaap:BusinessAcquisition
hli:BusinessCombinationNoncontingentConsiderationLiability

hli:ContractwithCustomerReceivablesNet

hli:DebtSecuritiesTradingAccumulatedUnrecognizedGain
us-gaap:FinancialInstrument

hli:DebtSecuritiesTradingAccumulatedUnrecognizedLoss
us-gaap:FinancialInstrument

hli:DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedGain

hli:DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedLoss

hli:DeferredTaxAssetsAccountsReceivableAndWorkInProcess

hli:DeferredTaxAssetsOperatingLeaseLiabilities

hli:DeferredTaxAssetsUSForeignTaxCreditsTollCharge

hli:DeferredTaxAssetsValuationAllowanceNetOfForeignTaxCredits

hli:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets

hli:DueToTerminatedEmployees

hli:IntangibleAssetsGrossIncludingGoodwill

hli:LesseeOperatingLeaseLeaseNotYetCommencedAmount

hli:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

hli:LongTermDebtMaturityAfterYearFour

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwards

hli:UnbilledReceivablesWorkInProcess

hli:UndistributedEarningsOfForeignSubsidiariesExcessAmountOverNearTermWorkingCapitalNeeds

hli:UnrecognizedTaxBenefitsEstimatedDecreaseWithinNextTwelveMonths

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsReceivableNet

us-gaap:AccruedIncomeTaxes

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:StatementGeographical, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiability
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtSecuritiesTradingAndEquitySecuritiesFvNiCost

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:DividendsPayableCurrentAndNoncurrent
us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DueFromRelatedParties
us-gaap:RelatedPartyTransaction

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:HeldToMaturitySecurities
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:IncomeTaxReceivable

us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:SubsequentEventType
us-gaap:InvestmentsInAndAdvancesToAffiliatesBalancePrincipalAmount

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:BalanceSheetLocation
us-gaap:LoansAndLeasesReceivableRelatedParties

us-gaap:LoansPayable

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:MarketableSecurities

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherFiniteLivedIntangibleAssetsGross

us-gaap:OtherLiabilities

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:SubsequentEventType
us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:IncomeTaxAuthorityName
us-gaap:TaxCreditCarryforwardAmount

us-gaap:TaxesPayableCurrentAndNoncurrent

us-gaap:TradingSecurities

us-gaap:TradingSecuritiesDebt
us-gaap:FinancialInstrument

us-gaap:TradingSecuritiesDebtAmortizedCost
us-gaap:FinancialInstrument

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

Plots across concepts


IncomeStatement
Profit Loss
Expenses
Income Tax Expense Benefit
Balance Sheet
Long Term Debt
Assets
Property Plant And Equipment Net
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Dividends Payable Current And Noncurrent
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Businesses Net Of Cash Acquired
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA█████▇▇▆▆▆▅▅▅▄▄▃▃▃▁▁▁0.0510.0510.0520.0520.0510.0460.0440.0420.0410.0380.0350.0350.0340.0310.0270.0250.0230.0220.0130.0120.012
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassB▁▁▁▁▁▁▂▂▂▃▄▄▄▅▅▆▆▇███0.0180.0170.0170.0180.0190.0190.0220.0240.0250.0270.0310.0310.0330.0370.0390.0420.0440.0510.0540.0550.055
 us-gaap:CommonStockSharesIssued us-gaap:RelatedPartyTransactionsByRelatedParty,us-gaap:StatementClassOfStock us-gaap:Investor,us-gaap:CommonClassA51037.243NANANA50.66842546.14190943533.26941503.34137.41866134.03614133.84613234.03370233.371915NA26.13706524.6670723.38074422.02681112.82681112.15942712.076148
 us-gaap:CommonStockSharesIssued us-gaap:TitleOfIndividual,us-gaap:StatementClassOfStock srt:Director,us-gaap:CommonClassA54.026NANANA0.042301NANANA0.061967NANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 68.718629NA69.35634769.6150666.79856NA65.60802666.0862165.621103NA65.75867966.04592166.154212NA66.12293966.9078966.370249NA66.69232666.81668966.345599
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 65.71337NA66.54758766.78783263.684431NA62.01456462.47708561.670617NA61.97202762.25891962.985084NA62.55277762.11799862.343589NA61.10482261.13450160.565671
us-gaap:EarningsPerShareBasic ▆▇█▃▃▄▃▂▃▃▃▃▂▂▄▂▂▂▂▁▁1.311.51.780.730.720.950.790.530.690.740.710.640.470.610.980.540.630.550.560.340.32
us-gaap:EarningsPerShareDiluted ▆▇█▃▃▄▃▂▃▃▃▃▂▂▄▂▂▂▂▁▁1.251.441.710.70.690.90.750.50.650.690.670.610.450.580.930.50.590.510.510.310.29
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
 EBT Margin us-gaap:StatementGeographical country:US▅▇█▂▁▃▄▃▂311.727376.816414.891224.068176.945234.555294.083237.932208.505NANANANANANANANANANANANA
 EBT Margin us-gaap:StatementGeographical us-gaap:NonUs▃██▂▁▄▁▁▂60.995123.888122.98551.66834.19168.13939.43234.87841.844NANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hli:CorporateFinance▅██▂▁▃▅▃▂▃▄▃▂▂▂▃▂209.991300.662306.171108.04987.971156.081201.137155.981133.589144.44183.965146.057132.871129.821129.003145.821123.999NANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hli:FinancialAdvisoryServices█▆▆▃▁▃▂▂▂▄▂▂▂▂▂▁▁63.95657.30153.7142.29634.54543.53439.5739.55337.40647.33739.03536.25136.65537.2635.77433.08234.463NANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hli:FinancialRestructuring▄▆█▅▃▄▃▂▃▄▂▃▁▂▃▂▁98.775142.741177.995125.39188.62103.07992.80877.27679.35499.60175.01392.68450.47677.67294.1663.28159.029NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:AllocatedShareBasedCompensationExpense █▄▃▄▄▄▄▅▃▃▄▄▄▁▅▃▃▃▃▃▃34.2915.64212.64216.94117.19616.55416.68218.34712.76212.02213.78114.62116.1381.18622.36311.76411.79812.20510.87110.6411.342
us-gaap:ComprehensiveIncomeNetOfTax ▅▆█▃▃▃▄▁▂▃▃▂▁▂▄▂▃▂▂▁▁87.58599.891132.55254.23349.02745.22363.28223.6738.80548.04841.19736.42417.09937.41962.46336.04944.30539.14527.79118.55815.545
 us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▅▅█▆▅▁█▂▃▅▄▄▁1.6250.52514.0375.4432.927-13.79114.388-9.44-3.9712.7-2.760.0-12.583NANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:Parent▅▆█▃▃▃▄▁▂▃▃▂▁▂▄▂▃▂▂▁▁87.58599.891132.55254.23349.02745.22363.28223.6738.80548.04841.19736.42617.09937.41962.47136.04944.30539.14527.79118.55815.545
 us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▆▇█▄▄▄▄▃▄▄▄▁▃85.9699.366118.51548.7946.159.01448.89433.1142.77645.34843.9570.029.682NANANANANANANANA
us-gaap:GrossProfit ▅▇█▃▂▃▃▂▂▃▃▃▂▂▂▂▂▂▂▁▁133.451175.158189.18790.80966.21683.59594.04975.21669.68686.38179.81979.92359.86375.78272.26568.7860.77372.63973.59448.43146.811
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▇█▃▂▃▃▂▂▃▃▂▂▃▂▂▂▂▂▁▁107.777139.803158.60367.07143.75170.91469.05546.25449.42562.47362.93157.18241.73460.81455.11753.52648.37956.56755.73934.22831.953
us-gaap:IncomeTaxExpenseBenefit ▅██▅▂▄▅▄▃▅▅▅▄▅▁▅▃▅▅▄▄21.81740.43740.08818.281-2.34911.920.16113.1446.64917.12518.97417.06312.05222.715-6.46620.1699.13522.49121.75913.35212.542
us-gaap:IncomeTaxesPaidNet █▃▃▄▁▅▃▇▃▄▆█▂▁▂▆▃▆▂▃▂36.40710.5111.04918.9873.65620.5311.3930.02712.5617.57124.44335.7994.6512.0846.11425.57813.85327.5838.53913.6097.555
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType hli:NonInterestBearingUnsecuredConvertibleLoan,us-gaap:LoansPayable▅▆▆▆▇███▄▃██▁0.0590.070.0680.0660.0840.0990.0990.0930.0360.0260.0980.0930.0NANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType hli:OnePointFivePercentLoansPayable,us-gaap:LoansPayableNANA0.0060.0130.011NA0.0170.0230.024NA0.0320.0370.037NA0.0440.050.047NA0.0510.059NA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType hli:TwoPointEightyEightPercentLoansPayable,us-gaap:LoansPayable████████████▁0.0260.0260.0260.0270.0260.0260.0260.0260.0260.0270.0260.0260.009NANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType hli:TwoPointSevenFivePercentLoansPayable,us-gaap:LoansPayable▁▂██▇0.0190.020.0280.0280.027NA0.005NANANANANANANANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType,us-gaap:RelatedPartyTransactionsByRelatedParty us-gaap:LoansPayable,hli:FormerShareholders0.003NA0.0050.0050.008NA0.0150.0170.02NANANANANANANANANANANANA
us-gaap:InterestPaidNet ▄▄▅▅▃█▂▅▃▅▅▂▄▂▁0.2430.2450.2660.2810.1970.3920.1820.2820.1930.2710.2740.1830.2490.1470.127NANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▆▇█▃▃▄▃▂▃▃▃▂▂▂▄▂▂▂▂▁▁85.9699.366118.51548.7946.159.01448.89433.1142.77645.34843.95740.11929.68238.09961.58333.35739.24434.07633.9820.87619.411
us-gaap:NonoperatingIncomeExpense ▃▂▄▄▆█▅▆▇▆▅▅▇▅▅▄▆▂▁▂▁0.101-0.4730.1870.1961.1612.2591.0391.1011.6511.5080.6721.0071.6061.0520.6320.21.506-0.767-1.084-0.749-0.908
us-gaap:OperatingExpenses ▅▇█▃▂▄▅▃▃▄▄▃▂▂▃▂▂▃▂▁▁265.046360.428379.46208.861168.546234.039265.499227.657202.407230.827235.754218.817179.874184.991204.452188.857170.618199.766190.857151.56147.913
us-gaap:OperatingIncomeLoss ▅▇█▃▂▃▃▂▂▃▃▂▁▂▂▂▂▂▂▁▁107.676140.276158.41666.87542.5968.65568.01645.15347.94260.55162.25956.17540.12859.76254.48553.32646.87357.33456.82334.97732.861
us-gaap:ProfitLoss ▆▇█▃▃▄▃▂▃▃▃▂▂▂▄▂▂▂▂▁▁85.9699.366118.51548.7946.159.01448.89433.1142.77645.34843.95740.11929.68238.09961.58333.35739.24434.07633.9820.87619.411
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄▇█▂▁▃▄▂▂▃▃▂▁▃▂▂▁▂▂▂▁372.722500.704537.876275.736211.136302.694333.515272.81250.349291.378298.013274.992220.002291.378258.937242.183217.491244.753258.937242.183217.491
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▄▇█▂▁▃▄▂▂▃▃▂▁▃▂▂▁▂▂▂▁372.722500.704537.876275.736211.136302.694333.515272.81250.349291.378298.013274.992220.002291.378258.937242.183217.491244.753258.937242.183217.491
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:Assets ▇█▇▅▄▄▄▃▃▃▂▂▂▃▂▂▁▃▂▁▁2149.0792426.0672119.7991835.5431698.6831677.0031538.631447.91392.91423.0581260.171220.4061147.2771418.8411197.6181168.6811080.4761385.7071093.4541008.0986.469
us-gaap:Liabilities ▅█▅▄▃▅▄▃▃▃▂▂▁▃▂▂▁▄▂▁▁764.4811042.506765.533584.931489.043692.621591.937556.036499.581531.729409.503392.1327.922566.028369.007378.516315.541655.252371.119311.768307.168
us-gaap:LiabilitiesAndStockholdersEquity ▇█▇▅▄▄▄▃▃▃▂▂▂▃▂▂▁▃▂▁▁2149.0792426.0672119.7991835.5431698.6831677.0031538.631447.91392.91423.0581260.171220.4061147.2771418.8411197.6181168.6811080.4761385.7071093.4541008.0986.469
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇█▆▄▄▄▃▂▂▃▂▂▁▂▂▂▂▃▂▁▁782.194846.851633.659421.967422.164380.373276.735220.248211.731285.746256.401227.599144.244206.723197.178245.356183.221300.314253.605156.067105.972
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇█▆▄▄▃▂▂▂▂▂▂▁▃▂▂▁▄782.567847.224634.032422.34422.537380.746277.108220.62212.102286.115256.769227.965144.61300.223197.178245.356183.221492.686NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:PropertyPlantAndEquipmentGross ███▇▇▆▆▆▅▃▃▃▃▂▂▂▂▁▂▁▁101.476100.677102.73897.16494.0190.42792.03788.54682.8574.34773.76172.64470.68669.22469.60968.89566.0562.60965.44161.70261.299
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇█▇▆▆▆▅▅▄▄▄▃▂▃▂▂▁▂▂▁56.40354.30756.57153.52251.13448.05550.48147.60846.443.31342.89640.94538.81537.07837.43835.81233.94332.19335.11233.98733.366
us-gaap:AmortizationOfIntangibleAssets ▂▂▂▂▂█▃▃▃▃▃▃▂▁▁▁▁▁▂▂▂1.0641.0821.1930.8890.9976.0411.9131.7131.5531.581.5511.5891.3210.2210.4080.6330.4480.4510.7020.9741.018
us-gaap:PropertyPlantAndEquipmentNet ███▇▇▆▆▆▄▂▂▂▃▃▃▃▃▂▂▁▁45.07346.3746.16743.64242.87642.37241.55640.93836.4531.03430.86531.69931.87132.14632.17133.08332.10730.41630.32927.71527.933
us-gaap:Goodwill ████▆▆▆▅▅▅▅▅▅▂▂▂▁▁▁▁▁671.951671.065670.2664.248618.955618.455626.519600.578605.026594.812594.001596.39597.475528.889527.047526.547522.186519.487512.265515.505515.905
us-gaap:IntangibleAssetsNetIncludingGoodwill ████▆▆▆▅▅▅▅▅▅▂▂▂▁▁▁▁▁866.043866.221866.438861.658812.355812.844822.732797.564803.841794.604795.251799.322802.071723.31721.689721.534717.619715.343708.152712.148713.516
us-gaap:DeferredTaxAssetsLiabilitiesNet NA28.279NANANA5.843NANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset █████▇▇▇▇▁146.734152.031145.367149.454152.428135.24129.403131.776131.5540.0NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:ContractWithCustomerLiabilityCurrent ▆▆█▆▆▆▆▆▆▆▆▇▇▁29.84527.86837.00829.6628.5726.7827.89629.70929.21927.81228.52230.94631.1533.62NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:LongTermDebt ▁█▃▄46.05755.86448.59949.786NANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▁▁▂▁▁▁▂▂▂▃▃▄▅▆▇█▇▇▇█0.0210.0520.0354.0162.350.6641.6863.3276.0575.2049.34310.14816.11222.1825.91831.61633.86731.19632.46132.35235.288
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▁▅█▇20.15525.41928.88828.2NANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▃▁█▇21.24920.08924.09823.407NANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▅█▃▁20.0121.1318.83318.152NANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NA19.96419.91819.235NANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NA87.597101.28699.437NANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███▇▆▄▄▃▃▃▃▂▂▃▂▂▂▁▁▁▁1384.5981383.5611354.2661250.6121209.64984.382946.693891.864893.319891.329850.667828.306819.355852.813823.897785.698761.022726.617718.967694.376676.671
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA█████▇▇▆▆▆▅▅▅▄▄▃▃▃▁▁▁0.0510.0510.0520.0520.0510.0460.0440.0420.0410.0380.0350.0350.0340.0310.0270.0250.0230.0220.0130.0120.012
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassB▁▁▁▁▁▁▂▂▂▃▄▄▄▅▅▆▆▇███0.0180.0170.0170.0180.0190.0190.0220.0240.0250.0270.0310.0310.0330.0370.0390.0420.0440.0510.0540.0550.055
us-gaap:AdditionalPaidInCapital ▄▆▇█▇▂▁▁▁▁▁▁▁▄▂▂▂▇▂▂▂745.705803.573851.444880.37848.756649.954636.123635.362631.189645.09635.005636.15644.125753.077655.108665.551664.304854.75678.148668.424658.684
us-gaap:RetainedEarningsAccumulatedDeficit █▇▆▅▅▅▄▄▄▄▃▃▃▃▃▂▂▂▁▁▁657.375600.096523.454427.621400.995377.471339.821311.36298.831276.468248.59222.324201.702207.124181.999134.244113.50787.40767.86146.80436.52
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▇▆▆▃▂▁▄▁▃▄▃▄▅███▇▆▅▆▇-18.551-20.176-20.701-34.738-40.181-43.108-29.317-43.705-34.265-30.294-32.994-30.234-26.539-13.956-13.276-14.164-16.856-21.917-26.986-20.797-18.479
us-gaap:TreasuryStockValue NANANA22.711NANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNA0.00.00.00.3330.00.369NANA0.00.00.187NANA0.00.00.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▇█▅▁▆▅▅▁▅▄▅▁▅▄▅▂▄▅▅▂-90.093272.653308.514113.91-115.24176.91197.615122.352-109.209132.21176.206134.831-118.974109.93372.995128.674-60.95577.454113.218106.368-67.776
us-gaap:NetCashProvidedByUsedInInvestingActivities █▄▂▁▄▂▃▂▆▁▃▃▇▁▁▂▃▃▃▃▄158.97222.319-60.888-70.4089.229-48.052-19.967-58.60693.481-87.678-14.874-12.191121.202-79.673-71.228-44.391-23.292-8.031-5.025-1.05112.454
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▄▄█▅▅▄▄▅▄▄▂▆▄▅▁█▅▄▅-133.718-84.004-42.609-45.492145.282-20.875-25.563-48.955-56.746-17.246-33.508-36.98-148.40475.283-50.186-22.952-227.456166.732-6.869-53.138-3.801
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄██▅▆▇▆▅▄▆▆▆▃▇▄▆▁-64.657213.192211.692-0.19741.791103.63856.4888.518-74.01329.34628.80483.355-155.613103.045-48.17862.135-309.465NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:DeferredIncomeTaxExpenseBenefit ▅▁▅▇█▇▆▄█▅▇▅▇▆▅▆█▅█▆▇-5.022-19.24-7.5751.9723.606-0.371-2.712-9.0982.527-5.28-0.805-5.1960.594-1.292-5.698-2.252.671-6.0152.856-2.79-0.144
us-gaap:DepreciationDepletionAndAmortization ▆▆▆▅▅█▇▆▆▅▅▅▅▁▁▂▁▁▃▁▂4.1713.9373.9493.673.6725.0114.3363.9813.9633.6663.6353.7063.4681.7851.9712.1751.9741.9552.8451.8142.239
us-gaap:IncreaseDecreaseInAccountsReceivable ▂▇▄▆▁▆▃▃▃▄▄▂▂█▃▁▄▆▃▃▃-17.24431.9016.69921.171-26.80623.202-3.196-3.212-3.4076.213-0.274-15.799-11.75144.188-5.279-23.0832.37627.954-11.519-6.628-4.28
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▇█▅▁▆▅▅▁▅▄▅▁▅▄▅▂▄▅▅▂-90.093272.653308.514113.91-115.24176.91197.615122.352-109.209132.21176.206134.831-118.974109.93372.995128.674-60.95577.454113.218106.368-67.776
us-gaap:ProfitLoss ▆▇█▃▃▄▃▂▃▃▃▂▂▂▄▂▂▂▂▁▁85.9699.366118.51548.7946.159.01448.89433.1142.77645.34843.95740.11929.68238.09961.58333.35739.24434.07633.9820.87619.411
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities █▄▂▁▄▂▃▂▆▁▃▃▇▁▁▂▃▃▃▃▄158.97222.319-60.888-70.4089.229-48.052-19.967-58.60693.481-87.678-14.874-12.191121.202-79.673-71.228-44.391-23.292-8.031-5.025-1.05112.454
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▄▅▃▄▄▃▇█▃▂▃▁▂▁▃▄▂▅▁█1.4033.1464.4563.0523.4943.7512.6916.8397.4412.191.3372.1761.0231.5380.6522.3113.2181.5914.7560.6227.454
us-gaap:PaymentsToAcquireInvestments ▂▅▆▅▅▆▂▄█▅▂▂▁▄▄▃▂▁▁▁▁19.59697.359115.64679.27399.277102.50316.06475.015157.09798.02322.43320.0956.41876.48472.27741.48319.0750.00.00.00.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▄▄█▅▅▄▄▅▄▄▂▆▄▅▁█▅▄▅-133.718-84.004-42.609-45.492145.282-20.875-25.563-48.955-56.746-17.246-33.508-36.98-148.40475.283-50.186-22.952-227.456166.732-6.869-53.138-3.801
us-gaap:PaymentsOfDividends █▅▅▅▆▄▄▄▅▃▃▃▃▂▂▂▂▄▁▁▃31.20521.70421.88922.16626.24719.55118.89419.32322.88716.64416.7116.73116.84312.59714.5912.40712.48719.41310.38910.41915.072
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value51000.051000.052000.052000.051000.046000.044000.042000.041000.038000.035000.035000.034000.031000.027000.025000.023000.022000.013000.012000.012000.012000.012000.012000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value18000.017000.017000.018000.019000.019000.022000.024000.025000.027000.031000.031000.033000.037000.039000.042000.044000.051000.054000.055000.055000.053000.053000.053000.0
Percentage of CommonStockValue35.333.332.734.637.341.350.057.161.071.188.688.697.1119.4144.4168.0191.3231.8415.4458.3458.3441.7441.7441.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesIssued

us-gaap:Investor, us-gaap:CommonClassA


Common
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-08-18
Value510375046435334150337343334332624232212121212121212
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:TitleOfIndividual, us-gaap:StatementClassOfStock

srt:Director, us-gaap:CommonClassA


Common
Period End2021-06-302020-06-302019-06-30
Value540.0423010.061967
Percentage of CommonStockSharesIssued0.10.10.2

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-30
Value686969666566656566666666666666666562606060
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-30
Value656666636262616162626262626161605958585757
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1.311.51.780.730.720.950.790.530.690.740.710.640.470.610.980.540.630.550.560.340.320.380.380.160.260.430.420.290.25
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1.251.441.710.70.690.90.750.50.650.690.670.610.450.580.930.50.590.510.510.310.290.350.350.150.250.410.40.270.24
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value341512161716161812121314161.186221111121010119.371108.0387.2326.0936.3813.985
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.23.12.46.18.15.55.06.75.14.14.65.37.30.48.64.95.45.04.24.45.20.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value879913254494563233848413617376236443927181518247.56115242215
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.520.024.619.723.214.919.08.715.516.513.813.27.812.824.114.920.416.010.77.77.10.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:AccumulatedOtherComprehensiveIncome


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.6250.525145.4432.927-13.79114-9.44-3.9712.7-2.760.0-12.583
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.12.62.01.4-4.64.3-3.5-1.60.9-0.90.0-5.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value879913254494563233848413617376236443927181518247.561152422
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest5389.819026.9944.3996.41675.0-327.9439.8-250.7-977.21779.6-1492.60.0-135.90.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.520.024.619.723.214.919.08.715.516.513.813.27.812.824.114.920.416.010.77.77.10.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value859911848465948334245430.029
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest5289.818926.9844.3896.41575.0-427.9339.8-350.7-1077.21679.6-1592.60.0-235.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.80.013.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value13317518990668394756986797959757268607273484654573839535137
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.835.035.232.931.427.628.227.627.829.626.829.127.226.027.928.427.929.728.420.021.50.00.00.00.00.00.00.0

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hli:CorporateFinance


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value851079624224158423747624340473354412840272324352023332521
Percentage of GrossProfit63.861.351.026.534.249.162.256.853.754.878.254.867.063.246.978.868.438.954.957.249.944.762.054.658.962.548.657.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.821.417.98.710.713.617.515.615.016.220.915.918.216.413.122.419.111.515.611.410.70.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hli:CorporateFinance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hli:FinancialAdvisoryServices


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value221313117.397107.1638.948.2818.396.3026.6717.4135.5575.5856.7298.4627.1288.5076.5356.7359.5287.6886.3726.7268.1594.8535.079
Percentage of GrossProfit16.67.77.313.111.212.97.611.911.99.77.98.312.47.37.79.813.99.811.613.514.417.513.516.816.915.29.413.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.02.72.64.33.53.62.13.33.32.92.12.43.41.92.22.83.92.93.32.73.10.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hli:FinancialAdvisoryServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hli:FinancialRestructuring


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2654785436312823233011291222327.8410372414162014109.619122110
Percentage of GrossProfit19.631.041.760.454.638.030.231.434.435.513.936.820.629.545.411.417.751.333.529.335.737.724.628.624.222.442.129.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.010.914.719.917.110.58.58.69.610.53.710.75.67.712.73.24.915.29.55.97.70.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hli:FinancialRestructuring0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value10713915867437069464962625741605553485655343140421725403828
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.927.929.524.320.723.420.717.019.721.421.120.819.020.921.322.122.223.121.514.114.70.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:StatementGeographical

country:US


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value86111123513452583638
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest80.379.478.077.379.973.484.578.477.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.222.223.018.816.617.217.513.315.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US0.00.00.00.00.00.00.00.00.0

us-gaap:NonUs


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value212834158.78318109.98711
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest19.720.622.022.720.126.615.521.622.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.75.76.55.54.26.23.23.74.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs0.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value21404018-2.3491120136.6491718171222-6.466209.1352221131218197.84910161311
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.98.17.56.6-1.13.96.04.82.75.96.46.25.57.8-2.58.34.29.28.45.55.80.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value361011183.656201130121724354.6512.0846.1142513278.539137.555
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.82.12.16.91.76.83.411.05.06.08.213.02.10.72.410.66.411.33.35.63.5

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

hli:NonInterestBearingUnsecuredConvertibleLoan, us-gaap:LoansPayable


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value59000.070000.068000.066000.084000.099000.099000.093000.036000.026000.098000.093000.00
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hli:NonInterestBearingUnsecuredConvertibleLoan us-gaap:LoansPayable0.00.00.00.00.00.00.00.00.00.00.00.00.0

hli:OnePointFivePercentLoansPayable, us-gaap:LoansPayable


Interest
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-30
Value6000.013000.011000.017000.023000.024000.032000.037000.037000.044000.050000.047000.051000.059000.0
Percentage of InterestExpenseDebt8.819.713.117.224.766.732.739.80.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hli:OnePointFivePercentLoansPayable us-gaap:LoansPayable0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

hli:TwoPointEightyEightPercentLoansPayable, us-gaap:LoansPayable


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value26000.026000.026000.027000.026000.026000.026000.026000.026000.027000.026000.026000.09000.0
Percentage of InterestExpenseDebt44.137.138.240.931.026.326.328.072.2103.826.528.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hli:TwoPointEightyEightPercentLoansPayable us-gaap:LoansPayable0.00.00.00.00.00.00.00.00.00.00.00.00.0

hli:TwoPointSevenFivePercentLoansPayable, us-gaap:LoansPayable


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value19000.020000.028000.028000.027000.05000.0
Percentage of InterestExpenseDebt32.228.641.242.432.15.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hli:TwoPointSevenFivePercentLoansPayable us-gaap:LoansPayable0.00.00.00.00.00.0

us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:LoansPayable, hli:FormerShareholders


Interest
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value3000.05000.05000.08000.015000.017000.020000.0
Percentage of InterestExpenseDebt5.17.47.69.515.218.355.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:LoansPayable hli:FormerShareholders0.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value243000.0245000.0266000.0281000.0197000.0392000.0182000.0282000.0193000.0271000.0274000.0183000.0249000.0147000.0127000.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.00.10.10.10.10.10.10.10.10.10.10.10.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value8599118484659483342454340293861333934332019
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.814.613.513.123.813.818.013.913.18.68.9

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value101000.0-473000.0187000.0196000.01161000.02259000.01039000.01101000.01651000.01508000.0672000.01007000.01606000.01052000.0632000.0200000.01506000.0-767000.0-1084000.0-749000.0-908000.0-664000.0-1094000.0-333000.01321000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.10.00.10.50.70.30.40.70.50.20.40.70.40.20.10.7-0.3-0.4-0.3-0.40.00.00.00.0

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Nonoperating
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value101000.0187000.0196000.01161000.0-2136000.01039000.0-1101000.01483000.0-8078000.0672000.01007000.01606000.0-5728000.0632000.0-200000.01506000.0-767000.0-1084000.0-749000.0-908000.0-664000.0-1094000.0-45000.01112000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0-94.6100.0-100.089.8-535.7100.0100.0100.0-544.5100.0-100.0100.0100.0100.0100.0100.0100.0100.013.584.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.5-0.70.3-0.40.6-2.80.20.40.7-2.00.2-0.10.7-0.3-0.4-0.3-0.40.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value265360379208168234265227202230235218179184204188170199190151147142161140122145159128117
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.172.070.575.779.877.379.683.480.879.279.179.681.863.579.078.078.481.673.762.668.00.00.00.00.00.00.00.00.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value253430232314263021-147.5021723-19.735-16.02-17.781513151613131213-20.853151315-9.794
Percentage of OperatingExpenses9.79.78.111.514.06.49.813.210.7-63.97.410.9-11.0-8.7-8.78.28.17.78.88.99.49.08.3-14.812.99.09.5-7.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.97.05.78.711.24.97.811.08.7-50.65.98.6-9.0-5.5-6.96.46.46.36.55.66.40.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1071401586642686845476062564059545346575634324143172340362724
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.928.029.524.320.222.720.416.619.220.820.920.418.220.521.022.021.623.421.914.415.10.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value859911848465948334245434029386133393433201922229.2551524241614
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.814.613.513.123.813.818.013.913.18.68.90.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value859911848465948334245434029386133393433201922229.255152424
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.899.999.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.814.613.513.123.813.818.013.913.18.68.90.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value859911848465948334245434029386133393433201922229.255152424
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.899.999.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.814.613.513.123.813.818.013.913.18.68.90.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value372500537275211302333272250291298274220291258242217244258242217
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value372500537275211302333272250291298274220291258242217244258242217
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hli:CorporateFinance


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value20930030610887156201155133144183146132129129145123
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax56.360.056.939.241.751.660.357.253.449.661.753.160.444.649.860.257.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.360.056.939.241.751.660.357.253.449.661.753.160.444.649.860.257.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hli:CorporateFinance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hli:FinancialAdvisoryServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6357534234433939374739363637353334
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.211.410.015.316.414.411.914.514.916.213.113.216.712.813.813.715.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.211.410.015.316.414.411.914.514.916.213.113.216.712.813.813.715.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hli:FinancialAdvisoryServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hli:FinancialRestructuring


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value98142177125881039277799975925077946359
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.528.533.145.542.034.127.828.331.734.225.233.722.926.736.426.127.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.528.533.145.542.034.127.828.331.734.225.233.722.926.736.426.127.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hli:FinancialRestructuring0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value311376414224176234294237208235228231183191228209200
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax83.675.377.181.383.877.588.287.283.380.976.884.083.365.688.486.692.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.675.377.181.383.877.588.287.283.380.976.884.083.365.688.486.692.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value601231225134683934415569433653303217
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax16.424.722.918.716.222.511.812.816.719.123.216.016.718.411.613.47.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.424.722.918.716.222.511.812.816.719.123.216.016.718.411.613.47.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value214924262119183516981677153814471392142312601220114714181197116810801385109310089861070102698112291061
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value1302153213191054994959810749677714599562459769602576473754517421372453481397709528
Percentage of Assets60.663.262.357.458.657.252.751.748.650.247.546.140.154.350.349.443.854.447.441.837.842.346.940.557.749.8
Percentage of Assets60.663.262.357.458.657.252.751.748.650.247.546.140.154.350.349.443.854.447.441.837.842.346.940.557.749.8
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value846893799781704717728698715708661658687649594591607631575586613617544583519532
Percentage of Assets39.436.837.742.641.442.847.348.351.449.852.553.959.945.749.750.656.245.652.658.262.257.753.159.542.350.2
Percentage of Assets39.436.837.742.641.442.847.348.351.449.852.553.959.945.749.750.656.245.652.658.262.257.753.159.542.350.2
Percentage of Assets us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, hli:CorporateFinance


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value532575492471404403433387412397369364388337300300305316302305332309273286234247
Percentage of Assets24.823.723.225.723.824.028.226.829.627.929.329.833.923.825.125.728.322.827.630.333.728.926.729.219.123.3
Percentage of Assets24.823.723.225.723.824.028.226.829.627.929.329.833.923.825.125.728.322.827.630.333.728.926.729.219.123.3
Percentage of Assets us-gaap:OperatingSegments hli:CorporateFinance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hli:FinancialAdvisoryServices


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value140136136134125127127124121127123118113126121116121121109109107111861069899
Percentage of Assets6.65.66.57.37.47.68.38.68.78.99.89.79.98.910.19.911.28.810.110.810.910.48.410.88.09.4
Percentage of Assets6.65.66.57.37.47.68.38.68.78.99.89.79.98.910.19.911.28.810.110.810.910.48.410.88.09.4
Percentage of Assets us-gaap:OperatingSegments hli:FinancialAdvisoryServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hli:FinancialRestructuring


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value172181170174174186167186181184168175185185173175180193163171173196185190186185
Percentage of Assets8.07.58.19.510.311.110.912.913.013.013.414.316.113.114.515.016.713.914.917.017.618.318.019.515.117.5
Percentage of Assets8.07.58.19.510.311.110.912.913.013.013.414.316.113.114.515.016.713.914.917.017.618.318.019.515.117.5
Percentage of Assets us-gaap:OperatingSegments hli:FinancialRestructuring100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementGeographical

country:US


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value15981837163514491188113510529789301021811822723957760728666964677651637721693674948763
Percentage of Assets74.475.777.279.070.067.768.467.666.871.864.467.463.167.563.562.461.769.662.064.664.667.467.668.777.172.0
Percentage of Assets74.475.777.279.070.067.768.467.666.871.864.467.463.167.563.562.461.769.662.064.664.667.467.668.777.172.0
Percentage of Assets country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-03-31
Value550588484386510541486469462401448397423460436439414421415356348348332306281297
Percentage of Assets25.624.322.821.030.032.331.632.433.228.235.632.636.932.536.537.638.330.438.035.435.432.632.431.322.928.0
Percentage of Assets25.624.322.821.030.032.331.632.433.228.235.632.636.932.536.537.638.330.438.035.435.432.632.431.322.928.0
Percentage of Assets us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value7641042765584489692591556499531409392327566369378315655371311307417389366403
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.643.036.131.928.841.338.538.435.937.432.532.128.639.930.832.429.247.333.930.931.139.037.937.332.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value21492426211918351698167715381447139214231260122011471418119711681080138510931008986107010269811229
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value782846633421422380276220211285256227144206197245183300253156105166131979788767310968
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.434.929.923.024.922.718.015.215.220.120.318.612.614.616.521.017.021.723.215.510.715.512.910.00.07.20.00.010.30.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value782847634422422380277220212286256227144300197245183492166
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.434.929.923.024.922.718.015.215.220.120.418.712.621.216.521.017.035.615.5

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value10110010297949092888274737270696968666265616154494744
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.14.85.35.55.46.06.15.95.25.96.06.24.95.85.96.14.56.06.16.25.14.84.83.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

hli:ComputersAndSoftware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value1010191818171716141112111010111110101111111110108.292
Percentage of PropertyPlantAndEquipmentGross10.710.718.819.019.719.819.118.116.915.516.716.015.214.916.016.116.016.518.119.219.120.721.522.218.5
Percentage of Assets0.50.40.91.01.11.11.11.11.00.81.01.00.90.70.90.91.00.71.11.21.21.01.01.10.7
Percentage of Assets hli:ComputersAndSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value9.0138.7959.6799.4229.2368.7888.8388.2268.2597.9167.9757.6817.146.6537.5857.4537.1476.7316.616.4456.0675.7685.0635.2044.977
Percentage of PropertyPlantAndEquipmentGross8.98.79.49.79.89.79.69.310.010.610.810.610.19.610.910.810.810.810.110.49.910.610.211.111.1
Percentage of Assets0.40.40.50.50.50.50.60.60.60.60.60.60.60.50.60.60.70.50.60.60.60.50.50.50.4
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value21212122212021211919191919191918181815191919151313
Percentage of PropertyPlantAndEquipmentGross20.921.321.123.122.823.223.924.323.826.226.126.527.227.727.427.428.429.024.432.131.135.431.928.530.8
Percentage of Assets1.00.91.01.21.31.21.41.51.41.41.51.61.71.41.61.61.71.31.52.01.91.81.51.41.1
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value52525045434142413934333232313030282629222316171616
Percentage of PropertyPlantAndEquipmentGross52.252.249.647.046.446.146.347.147.946.244.945.445.946.144.144.143.142.045.736.538.231.434.336.037.4
Percentage of Assets2.52.22.42.52.62.52.82.92.92.42.62.72.82.22.62.62.61.92.72.22.41.61.71.71.4
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherCapitalizedPropertyPlantAndEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value7.3387.0561.1221.1191.1131.1131.1171.1131.1151.1171.1141.1161.1161.121.1181.1071.0931.091.0731.0411.0391.0431.0451.0490.991
Percentage of PropertyPlantAndEquipmentGross7.27.01.11.21.21.21.21.31.31.51.51.51.61.61.61.61.71.71.61.71.71.92.12.22.2
Percentage of Assets0.30.30.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:OtherCapitalizedPropertyPlantAndEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value56545653514850474643424038373735333235333332313028
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.22.72.93.02.93.33.33.33.03.43.43.42.63.13.13.12.33.23.43.43.03.03.12.3

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1064000.01082000.01193000.0889000.0997000.06041000.01913000.01713000.01553000.01580000.01551000.01589000.01321000.0221000.0408000.0633000.0448000.0451000.0702000.0974000.01018000.01239000.0723000.0570000.0379000.0383000.0340000.0340000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value45464643424241403631303131323233323030272721181616
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.92.22.42.52.52.72.82.62.22.42.62.82.32.72.83.02.22.82.72.82.01.81.71.3

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312006-01-31
Value671671670664618618626600605594594596597528527526522519512515515518515490455392
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.327.731.636.236.436.940.741.543.441.847.148.952.137.344.045.148.337.546.851.152.348.450.250.037.00.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

hli:CorporateFinance


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value417416415409364363340339341342273272271267265264267267270266241206
Percentage of Goodwill62.162.162.061.758.958.857.257.257.357.451.851.751.651.351.151.751.951.952.151.749.245.4
Percentage of Assets19.417.219.622.321.521.723.927.028.029.919.322.723.324.819.124.226.627.225.226.024.616.8
Percentage of Assets hli:CorporateFinance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

hli:FinancialAdvisoryServices


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value91919191919191919191919191919185858585858585
Percentage of Goodwill13.613.713.713.814.814.815.415.415.415.417.317.417.417.617.716.616.516.516.416.517.318.7
Percentage of Assets4.33.84.35.05.45.56.47.37.58.06.57.77.88.56.67.88.48.67.98.38.76.9
Percentage of Assets hli:FinancialAdvisoryServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

hli:FinancialRestructuring


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value162162162162162162162162162162163163163162162162162162163163164163
Percentage of Goodwill24.224.324.324.526.326.327.427.427.327.330.930.931.031.231.331.731.631.631.531.833.436.0
Percentage of Assets7.66.77.78.99.69.711.412.913.314.211.513.613.915.111.714.816.116.515.316.016.713.3
Percentage of Assets hli:FinancialRestructuring0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312006-01-31
Value866866866861812812822797803794795799802723721721717715708712713717715688652192
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.335.740.946.947.848.553.555.157.755.863.165.569.951.060.361.766.451.664.870.672.367.069.770.253.10.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2021-03-312020-03-31
Value285.843
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0
Percentage of Assets1.20.3

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1461521451491521351291311310.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets6.86.36.98.19.08.18.49.19.40.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value48505143393838343534332926211920181718172221181929
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.12.42.42.32.32.52.42.62.42.62.42.31.51.61.71.71.31.71.72.22.01.81.92.4

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value292737292826272929272830313.62
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.11.71.61.71.61.82.12.12.02.32.52.70.3

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value46554849
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets2.12.32.32.7

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value0.0210.0520.0354.0162.350.6641.6863.3276.0575.2049.3431016222531333132323537393941
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.20.10.00.10.20.40.40.70.81.41.62.22.73.12.33.03.23.63.53.94.13.4

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value20252828
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.91.01.41.5

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value21202423
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets1.00.81.11.3

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value20211818
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.90.90.91.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-03-312020-12-312020-09-30
Value191919
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0
Percentage of Assets0.80.91.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-03-312020-12-312020-09-30
Value8710199
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0
Percentage of Assets3.64.85.4

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1681741681701721541501511470.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets7.87.28.09.310.29.29.810.510.60.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value196203200203
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets9.18.49.511.1

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value27283233
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets1.31.21.51.8

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value13841383135412501209984946891893891850828819852823785761726718694676651634613845824793765713630
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets64.457.063.968.171.258.761.561.664.162.667.567.971.460.168.867.270.452.465.868.968.660.861.962.50.067.00.00.067.30.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value0.0510.0510.0520.0520.0510.0460.0440.0420.0410.0380.0350.0350.0340.0310.0270.0250.0230.0220.0130.0120.0120.0120.0120.0120.00.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value0.0180.0170.0170.0180.0190.0190.0220.0240.0250.0270.0310.0310.0330.0370.0390.0420.0440.0510.0540.0550.0550.0530.0530.0530.00.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassB us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value-18.551-20.176-20.701-34.738-40.181-43.108-29.317-43.705-34.265-30.294-32.994-30.234-26.539-13.956-13.276-14.164-16.856-21.917-26.986-20.797-18.479-14.613-10.622-12.625-10.931-11.338-11.438-10.209-8.903-10.174
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.3-1.5-1.5-2.8-3.3-4.4-3.1-4.9-3.8-3.4-3.9-3.7-3.2-1.6-1.6-1.8-2.2-3.0-3.8-3.0-2.7-2.2-1.7-2.1-1.3-1.4-1.4-1.3-1.2-1.6
Percentage of Assets-0.9-0.8-1.0-1.9-2.4-2.6-1.9-3.0-2.5-2.1-2.6-2.5-2.3-1.0-1.1-1.2-1.6-1.6-2.5-2.1-1.9-1.4-1.0-1.30.0-0.90.00.0-0.80.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value745803851880848649636635631645635636644753655665664854678668658637626619675670663658636612
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest53.958.162.970.470.266.067.271.270.772.474.676.878.688.379.584.787.3117.694.396.397.397.998.7101.079.981.383.786.089.297.0
Percentage of Assets34.733.140.248.050.038.841.343.945.345.350.452.156.153.154.756.961.561.762.066.366.859.561.163.10.054.50.00.060.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value13841383135412501209984946891893891850828819852823785761726718694676651634613843822791763711629
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.899.899.899.899.899.7
Percentage of Assets64.457.063.968.171.258.761.561.664.162.667.567.971.460.168.867.270.452.465.868.968.660.861.962.50.066.90.00.067.10.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-31
Value6576005234274003773393112982762482222012071811341138767463628196.471851701461229132
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest47.543.438.734.233.138.335.934.933.531.029.226.824.624.322.117.114.912.09.46.75.44.43.01.122.020.718.516.012.95.2
Percentage of Assets30.624.724.723.323.622.522.121.521.519.419.718.217.614.615.211.510.56.36.24.63.72.71.90.70.013.90.00.08.70.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-22.7110.0-11.219-2.5020.00.00.00.0-93.50.00.00.0-193.5720.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.80.0-1.3-0.30.00.00.00.0-11.00.00.00.0-26.60.00.00.00.0
Percentage of Assets-1.20.0-0.8-0.20.00.00.00.0-6.60.00.00.0-14.00.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value51000.051000.052000.052000.051000.046000.044000.042000.041000.038000.035000.035000.034000.031000.027000.025000.023000.022000.013000.012000.012000.012000.012000.012000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value18000.017000.017000.018000.019000.019000.022000.024000.025000.027000.031000.031000.033000.037000.039000.042000.044000.051000.054000.055000.055000.053000.053000.053000.0
Percentage of CommonStockValue35.333.332.734.637.341.350.057.161.071.188.688.697.1119.4144.4168.0191.3231.8415.4458.3458.3441.7441.7441.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value745803851880848649636635631645635636644753655665664854678668658637626619670
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.733.140.248.050.038.841.343.945.345.350.452.156.153.154.756.961.561.762.066.366.859.561.163.154.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value6576005234274003773393112982762482222012071811341138767463628196.47170
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.624.724.723.323.622.522.121.521.519.419.718.217.614.615.211.510.56.36.24.63.72.71.90.713.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value-18551000.0-20176000.0-20701000.0-34738000.0-40181000.0-43108000.0-29317000.0-43705000.0-34265000.0-30294000.0-32994000.0-30234000.0-26539000.0-13956000.0-13276000.0-14164000.0-16856000.0-21917000.0-26986000.0-20797000.0-18479000.0-14613000.0-10622000.0-12625000.0-11338000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.9-0.8-1.0-1.9-2.4-2.6-1.9-3.0-2.5-2.1-2.6-2.5-2.3-1.0-1.1-1.2-1.6-1.6-2.5-2.1-1.9-1.4-1.0-1.3-0.9

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2020-09-30
Value22
Percentage of TreasuryStockValue100.0
Percentage of Assets1.2

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302017-12-312017-09-302017-06-30
Value000333000.00369000.000187000.0000
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.0100.00.0100.00.00.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-90.093272308113-115.2417697122-109.20913276134-118.97410972128-60.95577113106-67.776482447-106.48973105
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-24.254.557.441.3-54.658.429.344.8-43.645.425.649.0-54.137.728.253.1-28.031.643.743.9-31.20.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value15822-60.888-70.4089.229-48.052-19.967-58.60693-87.678-14.874-12.191121-79.673-71.228-44.391-23.292-8.031-5.025-1.05112-3.2091946117-60.509-101.212
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.74.5-11.3-25.54.4-15.9-6.0-21.537.3-30.1-5.0-4.455.1-27.3-27.5-18.3-10.7-3.3-1.9-0.45.70.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-133.718-84.004-42.609-45.492145-20.875-25.563-48.955-56.746-17.246-33.508-36.98-148.40475-50.186-22.952-227.456166-6.869-53.138-3.801-9.735-11.475-92.886-1.912-1.0970.183
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-35.9-16.8-7.9-16.568.8-6.9-7.7-17.9-22.7-5.9-11.2-13.4-67.525.8-19.4-9.5-104.668.1-2.7-21.9-1.70.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-64.657213211-0.19741103568.518-74.013292883-155.613103-48.17862-309.465
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.342.639.4-0.119.834.216.93.1-29.610.19.730.3-70.735.4-18.625.7-142.3

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-5022000.0-19240000.0-7575000.01972000.03606000.0-371000.0-2712000.0-9098000.02527000.0-5280000.0-805000.0-5196000.0594000.0-1292000.0-5698000.0-2250000.02671000.0-6015000.02856000.0-2790000.0-144000.0-4363000.0671000.049000.0-522000.0-1137000.0-6221000.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value4.1713.9373.9493.673.6725.0114.3363.9813.9633.6663.6353.7063.4681.7851.9712.1751.9741.9552.8451.8142.2392.4331.9211.7131.4321.3221.39
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-17.244316.69921-26.80623-3.196-3.212-3.4076.213-0.274-15.799-11.75144-5.279-23.0832.37627-11.519-6.628-4.2815-13.2092.338-2.99303.034
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-90.093272308113-115.2417697122-109.20913276134-118.97410972128-60.95577113106-67.776482447-106.48973105
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-24.254.557.441.3-54.658.429.344.8-43.645.425.649.0-54.137.728.253.1-28.031.643.743.9-31.20.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value859911848465948334245434029386133393433201922229.2551524241614
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.814.613.513.123.813.818.013.913.18.68.90.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value859911848465948334245434029386133393433201922229.255152424
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.899.999.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.814.613.513.123.813.818.013.913.18.68.90.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value859911848465948334245434029386133393433201922229.255152424
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.899.999.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.119.822.017.721.819.514.712.117.115.614.814.613.513.123.813.818.013.913.18.68.90.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value15822-60.888-70.4089.229-48.052-19.967-58.60693-87.678-14.874-12.191121-79.673-71.228-44.391-23.292-8.031-5.025-1.05112-3.2091946117-60.509-101.212
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.74.5-11.3-25.54.4-15.9-6.0-21.537.3-30.1-5.0-4.455.1-27.3-27.5-18.3-10.7-3.3-1.9-0.45.70.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.4033.1464.4563.0523.4943.7512.6916.8397.4412.191.3372.1761.0231.5380.6522.3113.2181.5914.7560.6227.4544.5982.231.5860.9711.5651.293
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1997115799910216751579822206.418767241190.00.00.00.00.0-0.767-0.2070.974-3.44912
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-133.718-84.004-42.609-45.492145-20.875-25.563-48.955-56.746-17.246-33.508-36.98-148.40475-50.186-22.952-227.456166-6.869-53.138-3.801-9.735-11.475-92.886-1.912-1.0970.183
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-35.9-16.8-7.9-16.568.8-6.9-7.7-17.9-22.7-5.9-11.2-13.4-67.525.8-19.4-9.5-104.668.1-2.7-21.9-1.70.00.00.00.00.00.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value3121212226191819221616161612141212191010158.9098.913950.9151.147-1.147
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value20.22.825.327.3-0.054-0.0230.2920.2840.135-0.0060.3020.2980.2890.064-0.1170.3770.1890.0020.390.390.393-0.0010.4680.45890.4-0.00020.36480.417
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value1188948366247
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value149.9474.964.5633.6941.0240.1330.533
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value9.7831111131011
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0

hli:AccountsReceivableAllowanceforCreditLossWriteoffsNetRecovery

hli:AccountsReceivableAllowanceforCreditLossWriteoffsNetRecovery


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2100000.0481000.0-481000.02193000.02204000.0
Percentage of AccountsReceivableAllowanceforCreditLossWriteoffsNetRecovery100.0100.0100.0100.0100.0

hli:AccountsReceivableCreditLossExpenseReversalNet

hli:AccountsReceivableCreditLossExpenseReversalNet


Accounts
Period End2021-06-302020-12-312020-09-302020-06-302019-12-31
Value370000.01646000.01240000.01943000.0200000.0
Percentage of AccountsReceivableCreditLossExpenseReversalNet100.0100.0100.0100.0100.0

hli:AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationRestrictedStockUnitorRestrictedStockAwardVested us-gaap:StatementEquityComponents

hli:AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationRestrictedStockUnitorRestrictedStockAwardVested

us-gaap:AdditionalPaidInCapital


Adjustmentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value31121011151414161010111114-0.3892110109.6349.675109.7867.7198.7419.1183.1874.4254.895
Percentage of AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationRestrictedStockUnitorRestrictedStockAwardVested100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Adjustmentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value31121011151414161010111114-0.3892110109.6349.675109.7867.7198.7419.1183.1874.4254.895
Percentage of AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationRestrictedStockUnitorRestrictedStockAwardVested100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:BusinessCombinationEstimatedConsiderationToBeTransferred us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

hli:BusinessCombinationEstimatedConsiderationToBeTransferred

hli:GCACorporation, us-gaap:SubsequentEvent


Business
Period End2021-08-02
Value591
Percentage of BusinessCombinationEstimatedConsiderationToBeTransferred100.0

hli:ChangeInOperatingLeaseRightOfUseAssetDueToRemeasurement

hli:ChangeInOperatingLeaseRightOfUseAssetDueToRemeasurement


Change
Period End2021-06-302020-12-312020-09-302019-12-312019-09-30
Value-2562000.0-1208000.0594000.0-5883000.05883000.0
Percentage of ChangeInOperatingLeaseRightOfUseAssetDueToRemeasurement100.0100.0100.0100.0100.0

hli:IncreaseDecreaseInDueToTerminatedEmployees

hli:IncreaseDecreaseInDueToTerminatedEmployees


Increase
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-1723000.0-199000.0-97000.0-90000.0-208000.0-209000.0-147000.0-90000.0-295000.0-300000.0-254000.0-140000.0-386000.0-581000.0-1373000.0-106000.0-106000.0-316000.0-10247000.0-587000.0-774000.0-2273000.0
Percentage of IncreaseDecreaseInDueToTerminatedEmployees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:IncreaseDecreaseinContractwithCustomerLiabilityCurrent

hli:IncreaseDecreaseinContractwithCustomerLiabilityCurrent


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1.977-9.147.3480.9931.79-1.116-1.8140.4911.3810.249-2.425-0.206-4.279-0.17-1.333-3.9925.464
Percentage of IncreaseDecreaseinContractwithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:IncreaseDecreaseinContractwithCustomerReceivablesNet

hli:IncreaseDecreaseinContractwithCustomerReceivablesNet


Increase
Period End2021-06-302021-03-312020-12-31
Value-18.006324.701
Percentage of IncreaseDecreaseinContractwithCustomerReceivablesNet100.0100.0100.0

hli:IncreaseDecreaseinUnbilledWorkinProcess

hli:IncreaseDecreaseinUnbilledWorkinProcess


Increase
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value-30.3665125.235-9.2750.1061.181.04912-7.0091.18722
Percentage of IncreaseDecreaseinUnbilledWorkinProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:IncreaseDecreaseinUnbilledWorkinProcessNetofAcquisition

hli:IncreaseDecreaseinUnbilledWorkinProcessNetofAcquisition


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value30-65.041-12.502-4.1943.21128-5.2359.2750.247
Percentage of IncreaseDecreaseinUnbilledWorkinProcessNetofAcquisition100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:OperatingLeaseNonCashLeaseExpense

hli:OperatingLeaseNonCashLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5.8455.7335.5185.9315.574134.8930.476.1060.00.00.00.0
Percentage of OperatingLeaseNonCashLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

hli:ProceedsFromRepaymentOfLoansToNonAffiliates

hli:ProceedsFromRepaymentOfLoansToNonAffiliates


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-312019-12-31
Value-74000.0-1701000.0-90000.0705000.0-2389000.0
Percentage of ProceedsFromRepaymentOfLoansToNonAffiliates100.0100.0100.0100.0100.0

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsForfeitedInPeriod

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsForfeitedInPeriod


Sharebased
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-03-312014-12-31
Value1756000.0367000.045000.01344000.0266000.0274000.0-50000.050000.0768000.00272000.0204000.0620000.0-10000.0408000.00333000.0792000.00288000.0
Percentage of SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsForfeitedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsOffersToGrantInPeriod

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsOffersToGrantInPeriod


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value2.3545.1890.8290.2434.5830.00.322.9353.1551.0250.1821.8259.44.1870.00.05.453.9160.0-0.1411.850.1132.1710.0331.6760.275
Percentage of SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsOffersToGrantInPeriod100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedConvertedToCashPayments

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedConvertedToCashPayments


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value110.2490.00.00.2490.0480.00.00.0520.00.0-4.4964.7960.120.00.05.920.00.00.01.6870.00.00.06.244
Percentage of SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedConvertedToCashPayments100.0100.00.00.0100.0100.00.00.0100.00.00.0100.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.0

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrants

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrants


Sharebased
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-03-312016-12-312016-03-312015-12-312015-03-31
Value7.2230.0-0.0397.2620.00.012-6.4579.36-9.1510.00.00.1173.00.0
Percentage of SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrants100.00.0100.0100.00.00.0100.0100.0100.0100.00.00.0100.0100.00.0

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrantsShares

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrantsShares


Sharebased
Period End2021-03-312019-03-31
Value-13295.00
Percentage of SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwardsSharePriceDeterminedTransferredToEquityGrantsShares100.00.0

hli:SharesIssuedViaVestingOfLiabilityClassifiedAwards

hli:SharesIssuedViaVestingOfLiabilityClassifiedAwards


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4270000.00007511000.0102000.00-4000.06457000.050000.04955000.000
Percentage of SharesIssuedViaVestingOfLiabilityClassifiedAwards100.00.00.00.0100.0100.00.0100.0100.0100.0100.00.00.0

hli:StockRepurchasedAndForfeitedDuringPeriodValue us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

hli:StockRepurchasedAndForfeitedDuringPeriodValue

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-06-302020-12-312019-03-312018-12-312018-09-302018-06-30
Value0.0010.0010.00.00.00.001
Percentage of StockRepurchasedAndForfeitedDuringPeriodValue100.0100.00.00.00.0100.0

hli:StockRepurchasedAndForfeitedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-302016-03-31
Value10160410.51717151231-36.165-14.9612035210.09.4255.7140.0-1.532
Percentage of StockRepurchasedAndForfeitedDuringPeriodValue10118800.00.04132100.00.00.00.00.00.00.00.00.03599800.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value101601823174.4412133-36.165142035210.09.4255.714
Percentage of StockRepurchasedAndForfeitedDuringPeriodValue10118900.00.01861100.00.00.00.00.00.00.00.00.03599900.00.00.00.00.0

us-gaap:TreasuryStock


Stock
Period End2020-12-312020-09-302019-12-312019-09-302019-06-30
Value-22.71122-11.2198.7172.502
Percentage of StockRepurchasedAndForfeitedDuringPeriodValue-2271100.00.00.00.00.0

us-gaap:CashAcquiredFromAcquisition

us-gaap:CashAcquiredFromAcquisition


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.00.0880.00.05.2490.0100.00.00.0160.00.00.00.0
Percentage of CashAcquiredFromAcquisition0.00.0100.00.00.0100.00.0100.00.00.00.0100.00.00.00.00.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:SubsequentEvent


Common
Period End2021-07-222021-01-202020-10-222020-05-082019-04-302018-05-042017-05-092016-05-18
Value0.430.330.330.310.310.270.20.17
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommunicationsAndInformationTechnology

us-gaap:CommunicationsAndInformationTechnology


Communications
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value6.9619.1149.2816.8686.3837.4277.2256.9285.3245.4395.7754.7095.5894.8154.4244.9664.2764.1464.6314.4654.3864.4874.6563.3753.4993.8593.9383.313
Percentage of CommunicationsAndInformationTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-30
Value9.01.96.00.62.13.45.4
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConversionOfStockAmountConverted1 us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:ConversionOfStockAmountConverted1

us-gaap:CommonClassA, us-gaap:CommonStock


Conversion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-1000.0-1000.0-1000.0-1000.0-2000.0000-2000.0-4000.00-1000.0-1000.04000.0-2000.0-2000.0-1000.0-2000.01000.00000
Percentage of ConversionOfStockAmountConverted1100.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:CommonClassB, us-gaap:CommonStock


Conversion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1000.01000.01000.01000.02000.00002000.04000.001000.01000.0-4000.02000.02000.01000.02000.0-1000.00000
Percentage of ConversionOfStockAmountConverted1-100.0-100.0-100.0-100.0-100.00.00.00.0-100.0-100.00.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.00.00.00.00.0

us-gaap:DefinedContributionPlanCostRecognized

us-gaap:DefinedContributionPlanCostRecognized


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1450000.0151000.02327000.01117000.0924000.0227000.01815000.0930000.0779000.0-72000.01528000.0541000.0768000.0-287000.01293000.0486000.0525000.0332000.01154000.0386000.0449000.0222000.01090000.0368000.0380000.0195000.0462000.0338000.0
Percentage of DefinedContributionPlanCostRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value3.1072.8562.7562.7812.6758.4342.4232.2682.4092.0862.0842.1172.1471.5641.5631.5421.5261.5041.5751.4081.2211.1941.1981.1431.0530.9391.051.066
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.1713.9373.9493.673.6725.0114.3363.9813.9633.6663.6353.7063.4681.7851.9712.1751.9741.9552.2772.3822.2392.4331.9211.7131.4321.3221.391.406
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:ForeignExchangeForward, us-gaap:OtherOperatingIncomeExpense


Derivative
Period End2021-06-302020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-31
Value98.05000.0-46000.030000.0-53000.041000.0-39000.024000.014000.077000.0-10000.00139000.0258000.0-400000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStock

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-31
Value282222222121202020171717171212121314111111129.5640.2250.224
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-31
Value28222222212120202017-17.6917171212121314111111129.5620.2250.224
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.1822.2246.6751.7932.52-4.3464.403-6.273-1.5392.0590.98-2.305-9.437-2.4980.2410.8042.238
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


Effective
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6.9220.00.013-0.3360.00.07.605-0.0030.0
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount100.00.00.0100.0100.00.00.0100.0100.00.0

us-gaap:GoodwillPeriodIncreaseDecrease

us-gaap:GoodwillPeriodIncreaseDecrease


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.8860.8655.952450.50.811-2.389-1.085681.8420.54.3612.6997.222-3.24-0.4-2.7743.24324
Percentage of GoodwillPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillPeriodIncreaseDecrease us-gaap:StatementBusinessSegments

hli:CorporateFinance


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.886525.952450.50.618-2.207-0.999691.5410.4394.1362.4360.414-2.818-0.206-2.1643.47825
Percentage of GoodwillPeriodIncreaseDecrease100.06082.1100.0100.0100.076.292.492.1100.783.787.894.890.35.787.051.578.0107.2100.8

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-2.979.758103.192-23.075-11.9543.0195.141-4.9158.3873.9870.255-1.0877.567-1.9080.878-6.1454.927.8641.558-0.843-5.348-11.354.706-1.9674.8941.836
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-03-312015-12-312015-03-312014-12-31
Value-9.6694836-4.408-7.883-8.046.853-6.79-4.4664.301-4.483-9.2977.10420-6.882-12.5942.047-35.7640.499-2.61250
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

us-gaap:IncreaseDecreaseInContractWithCustomerAsset


Increase
Period End2021-06-302021-03-312020-12-31
Value392000.0-2975000.0352000.0
Percentage of IncreaseDecreaseInContractWithCustomerAsset100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-31
Value1.977-9.147.348
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-254.8521014564-192.281962263-171.0031122077-191.408953.16172-136.573794644-110.479575.52637-156.3718137
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-1.815-0.8657.6563.7111.0770.3633.616-1.2731.8091.4224.142.5184.6262.914-0.934-0.7390.462-0.2950.544-4.4180.4240.971-1.6223.418-2.1245.573-7.786
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseRelatedParty us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InterestExpenseRelatedParty

us-gaap:LoansPayable, hli:FormerShareholders


Interest
Period End2021-03-312019-03-31
Value-42000.00
Percentage of InterestExpenseRelatedParty100.00.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value23231733917713718621317416319018717513915517416114517016412412112013511193128138109
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseAndRentalExpense

us-gaap:LeaseAndRentalExpense


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value109.22310109.623109.5311410109.987108.1887.2527.1596.9597.196.3467.0126.7027.0347.0867.0216.1976.1555.7486.116.133
Percentage of LeaseAndRentalExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value109.22310109.623109.5311410
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value7.2156.9577.1697.5547.2446.766.4668.9346.329
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value7.54523157.45817116.073
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.6250.525145.4432.927-13.79114-9.44-3.9712.7-2.76-3.695-12.583-0.680.882.6925.0615.069-6.189-2.318-3.866-3.9912.003-1.6940.4070.1-1.229-1.449
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.6250.525145.4432.927-13.79114-9.44-3.9712.7-2.76-3.695-12.583-0.680.8882.6925.0615.069-6.189-2.318-3.866-3.9912.003-1.6940.4070.1-1.229
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.625228.372.92714-9.44-3.9712.7-2.76-3.695-12.583-0.680.8882.6925.0615.069-6.189-2.318-3.866-3.9912.003
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0159.6153.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.9100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.6250.525145.4432.927-13.79114-9.44-3.9712.7-2.76-3.695-12.583-0.680.8882.6925.0615.069-6.189-2.318-3.866-3.9912.003-1.6940.4070.1-1.229
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2.997108.8754.5824.6261012115.7355.797108.7497.5843.7543.5383.4972.994.5493.4014.1153.4241.1682.1985.3892.8460.6632.3172.274
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfEquity

us-gaap:PaymentsForRepurchaseOfEquity


Payments
Period End2021-06-30
Value67
Percentage of PaymentsForRepurchaseOfEquity100.0

us-gaap:PaymentsForRepurchaseOfOtherEquity

us-gaap:PaymentsForRepurchaseOfOtherEquity


Payments
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value230.04.325212.502-67.2731420341.10.001-0.0061.8410.00.00.00.0
Percentage of PaymentsForRepurchaseOfOtherEquity100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-30
Value330.00.0190.017170.0080.1150.087310.00.00.1791.7680.066330.00.06224.571
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-31
Value0.00.0120.00.0100.0-8.710.00.00.0710.026-0.152.8250.03.7250.02.101
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.0100.00.00.0100.00.0100.00.00.00.0100.0100.0100.0100.00.0100.00.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302019-06-30
Value0.00.00.01890.0
Percentage of ProceedsFromIssuanceOfCommonStock0.00.00.0100.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value477000.0000333000.00369000.00000-4068000.00187000.002000.04540000.029000.0-4804000.0-52000.01128000.0-1043000.0000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.00.00.00.0100.00.0100.00.00.00.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1791225924112589.69523249148.0539.1882000.00.00.00.0
Percentage of ProceedsFromSaleMaturityAndCollectionsOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


Professional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value6.7018.2596.1885.2275.0075.216.2045.8344.4564.8876.0875.7846.2776.8754.4843.3712.3874.8592.7833.0742.3571.8992.8298.3697.592.1671.6391.165
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value370000.02461000.0-2461000.03183000.01943000.04801000.0200000.0-107000.0-21000.0724000.0370000.0229000.0384000.0470000.0534000.0365000.0614000.01564000.01000000.0705000.0739000.0285000.0532000.0-685000.02406000.0-952000.0838000.01469000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

hli:ManagementAccountingLegalRegulatoryAndOtherAdministrativeServices, us-gaap:PrincipalOwner


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2642000.0108000.0125000.00130000.00598000.0100000.0238000.06660000.0297000.0227000.0320000.0504000.0000
Percentage of RevenueFromRelatedParties100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

hli:ManagementAndOtherAdministrativeServices, us-gaap:MajorityOwnedSubsidiaryUnconsolidated


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value126000.0000000126000.0207000.051000.0224000.0074000.078000.0-38000.0172000.0426000.0-181000.0216000.00-34000.0239000.00
Percentage of RevenueFromRelatedParties4.80.00.00.00.00.00.0126.00.00.00.00.00.00.00.072.36.4-60.995.20.0-6.70.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302020-12-312020-09-302020-06-302019-06-30
Value0.1733024220.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock, hli:IncentivePlan2006


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value54.080.180.063.5547.080.07-36441.036444.036.220.75-32217.032220.029.97
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock, hli:IncentivePlan2006


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value73.1900060.60.02-47153.047153.047.22-0.03-49301.049301.049.36
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock, hli:IncentivePlan2006


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value47.800.01-0.0332.380-29171.029171.029.260-49381.049381.049.43
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value47000.046000.057000.00100000.0175000.0114000.010000.071000.0
Percentage of ShortTermLeaseCost100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2020-09-302020-06-30
Value0.00.003
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross0.0100.0

us-gaap:CommonClassB, us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.00.002-0.0010.0010.00.0010.00.0-0.0010.0020.00.00.00.0010.00.00.00.002
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross0.066.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value202001.051.209-0.0036.456-0.3892.6550.9846.0076.0231.7740.0690.1180.526-6.748-0.192112.9110.0101.7981.6711.126
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross0.06695233.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value202001.0491.2090.06.457-0.3892.6550.9836.0096.0231.7740.0690.1190.526-6.748-0.192112.9110.0101.7981.6711.126
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross0.06695400.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-03-312020-06-30
Value0.00.003
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.0100.0

us-gaap:CommonClassB, us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-30
Value0.0020.00.002
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.00.066.7

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-06-302019-12-31
Value120.01.7012001.209
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.00.00.06695233.30.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-06-302019-12-31
Value120.01.7012001.209
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.00.00.06695400.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementClassOfStock

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value678341231.8124.322202.502-1.576145534200.0155.714
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:CommonClassB


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3317170.699172.1020.0650.039311.6940.0020.01.768
Percentage of StockRepurchasedAndRetiredDuringPeriodValue50.021.342.63.00.0116.01.50.21249.7-107.50.00.05.2

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value18000.051000.053000.053000.048000.048000.048000.048000.049000.0
Percentage of SubleaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TravelAndEntertainmentExpense

us-gaap:TravelAndEntertainmentExpense


Travel
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.6872.1111.3380.9642.1149.18512109.6171012109.5876.5048.0346.2295.6785.784.7825.2155.934.0586.6995.3294.8694.5165.0263.735
Percentage of TravelAndEntertainmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-30
Value76740.0-1.5161.0157.720.1544120.043.7947.81040330.048.3849.1134.26
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnInvestments

us-gaap:UnrealizedGainLossOnInvestments


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-386000.0-494000.0-140000.0-89000.0822000.0-107000.03000.015000.0164000.0414000.016000.0000
Percentage of UnrealizedGainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations


Unrecognized
Period End2021-03-31
Value1800000.0
Percentage of UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations100.0

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount


Valuation
Period End2021-03-31
Value-1042000.0
Percentage of ValuationAllowanceDeferredTaxAssetChangeInAmount100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2.982.2712.9132.82.3273.3522.9996.0263.65
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesRestrictedStock

us-gaap:WeightedAverageNumberOfSharesRestrictedStock


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3005300.0-29781.02808800.02827200.03114100.02306.03593500.03609100.03950500.046279.03786700.03787000.03169100.0-299460.03570200.04789900.04026700.0-198580.05587500.05682200.05779900.0
Percentage of WeightedAverageNumberOfSharesRestrictedStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding us-gaap:StatementClassOfStock

dei:EntityCommonStockSharesOutstanding

us-gaap:CommonClassA


Entity
Period End2020-08-032020-05-132020-02-052019-10-302019-08-052019-05-202019-02-042018-11-022018-08-062018-05-212018-02-062017-11-062017-08-032017-06-072017-02-032016-11-112016-08-082016-06-212016-02-112015-11-12
Value5046434140383434343126262423121212121212
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonClassB


Entity
Period End2020-08-032020-05-132020-02-052019-10-302019-08-052019-05-202019-02-042018-11-022018-08-062018-05-212018-02-062017-11-062017-08-032017-06-072017-02-032016-11-112016-08-082016-06-212016-02-112015-11-12
Value1818212325273031313539394243535454545353
Percentage of EntityCommonStockSharesOutstanding36.940.749.457.261.672.589.489.492.4114.6147.6148.1169.1185.2420.2427.1451.5452.7440.6441.2

hli:AllowanceForDoubtfulAccounts

hli:AllowanceForDoubtfulAccounts


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312017-03-31
Value6.5038.2627.9496.9525.8935.5874.8543.9623.9125.5961111
Percentage of AllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:AllowanceForDoubtfulAccountsUnbilledReceivablesWorkInProcess

hli:AllowanceForDoubtfulAccountsUnbilledReceivablesWorkInProcess


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value3549000.03520000.01853000.01758000.01566000.01302000.0716000.01413000.01818000.01341000.02547000.0
Percentage of AllowanceForDoubtfulAccountsUnbilledReceivablesWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:BusinessCombinationNoncontingentConsiderationLiability us-gaap:BalanceSheetLocation, us-gaap:BusinessAcquisition

hli:BusinessCombinationNoncontingentConsiderationLiability

us-gaap:OtherLiabilities, hli:January2017Acquisition


Business
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00226000.00999000.01983000.01974000.01964000.01983000.01967000.01950000.01927000.01918000.0
Percentage of BusinessCombinationNoncontingentConsiderationLiability0.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:ContractwithCustomerReceivablesNet

hli:ContractwithCustomerReceivablesNet


Contractwith
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value85103716644735558616460637777
Percentage of ContractwithCustomerReceivablesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:DebtSecuritiesTradingAccumulatedUnrecognizedGain

hli:DebtSecuritiesTradingAccumulatedUnrecognizedGain


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value291000.01106000.01244000.01338000.0901000.0616000.0623000.0595000.0445000.088000.0
Percentage of DebtSecuritiesTradingAccumulatedUnrecognizedGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:DebtSecuritiesTradingAccumulatedUnrecognizedGain us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value223000.0389000.0688000.0783000.0845000.0210000.0352000.0339000.0314000.0372000.049000.0
Percentage of DebtSecuritiesTradingAccumulatedUnrecognizedGain76.60.062.262.963.223.357.154.452.883.655.7

us-gaap:USTreasurySecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value68000.0322000.0418000.0461000.0493000.0691000.0264000.0284000.0281000.073000.039000.0
Percentage of DebtSecuritiesTradingAccumulatedUnrecognizedGain23.40.037.837.136.876.742.945.647.216.444.3

hli:DebtSecuritiesTradingAccumulatedUnrecognizedLoss

hli:DebtSecuritiesTradingAccumulatedUnrecognizedLoss


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value64000.014000.09000.014000.0400000.04000.014000.02000.015000.072000.0
Percentage of DebtSecuritiesTradingAccumulatedUnrecognizedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:DebtSecuritiesTradingAccumulatedUnrecognizedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value57000.0114000.014000.09000.014000.0349000.03000.06000.02000.015000.072000.0
Percentage of DebtSecuritiesTradingAccumulatedUnrecognizedLoss89.10.0100.0100.0100.087.275.042.9100.0100.0100.0

us-gaap:USTreasurySecurities


Debt
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7000.0051000.01000.08000.0000
Percentage of DebtSecuritiesTradingAccumulatedUnrecognizedLoss10.90.012.825.057.10.00.00.0

hli:DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedGain

hli:DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedGain


Debt
Period End2021-03-31
Value711000.0
Percentage of DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedGain100.0

hli:DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedLoss

hli:DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedLoss


Debt
Period End2021-03-31
Value114000.0
Percentage of DebtSecuritiesTradingAndEquitySecuritiesFVNIAccumulatedUnrecognizedLoss100.0

hli:DeferredTaxAssetsAccountsReceivableAndWorkInProcess

hli:DeferredTaxAssetsAccountsReceivableAndWorkInProcess


Deferred
Period End2021-03-31
Value2084000.0
Percentage of DeferredTaxAssetsAccountsReceivableAndWorkInProcess100.0

hli:DeferredTaxAssetsOperatingLeaseLiabilities

hli:DeferredTaxAssetsOperatingLeaseLiabilities


Deferred
Period End2021-03-312020-03-312019-03-31
Value31270.0
Percentage of DeferredTaxAssetsOperatingLeaseLiabilities100.0100.00.0

hli:DeferredTaxAssetsUSForeignTaxCreditsTollCharge

hli:DeferredTaxAssetsUSForeignTaxCreditsTollCharge


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value2475000.02478000.02523000.03865000.000
Percentage of DeferredTaxAssetsUSForeignTaxCreditsTollCharge100.0100.0100.0100.00.00.0

hli:DeferredTaxAssetsValuationAllowanceNetOfForeignTaxCredits

hli:DeferredTaxAssetsValuationAllowanceNetOfForeignTaxCredits


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value7.3088.6198.8469.46910
Percentage of DeferredTaxAssetsValuationAllowanceNetOfForeignTaxCredits100.0100.0100.0100.0100.0

hli:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets

hli:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets


Deferred
Period End2021-03-312020-03-312019-03-31
Value27250.0
Percentage of DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets100.0100.00.0

hli:DueToTerminatedEmployees

hli:DueToTerminatedEmployees


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-31
Value0.7440.8181.0071.2061.3031.3931.6021.811.9582.0472.3422.6422.8963.0363.4224.0035.3765.4825.9176.23416
Percentage of DueToTerminatedEmployees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:IntangibleAssetsGrossIncludingGoodwill

hli:IntangibleAssetsGrossIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value870870869864817821836809814805804807808736734733729726718722722725722695658
Percentage of IntangibleAssetsGrossIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:LesseeOperatingLeaseLeaseNotYetCommencedAmount

hli:LesseeOperatingLeaseLeaseNotYetCommencedAmount


Lessee
Period End2020-12-312020-09-30
Value1.513
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedAmount100.0100.0

hli:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

hli:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour


Lessee
Period End2021-06-30
Value87
Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour100.0

hli:LongTermDebtMaturityAfterYearFour

hli:LongTermDebtMaturityAfterYearFour


Long
Period End2021-06-30
Value11
Percentage of LongTermDebtMaturityAfterYearFour100.0

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwards

hli:SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwards


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-31
Value1216171616202121182121211915121212129.2359.2359.3091314154214131311
Percentage of SharebasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedShareAwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:UnbilledReceivablesWorkInProcess

hli:UnbilledReceivablesWorkInProcess


Unbilled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value871185340363967627171303132454134355741354951684542
Percentage of UnbilledReceivablesWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hli:UndistributedEarningsOfForeignSubsidiariesExcessAmountOverNearTermWorkingCapitalNeeds

hli:UndistributedEarningsOfForeignSubsidiariesExcessAmountOverNearTermWorkingCapitalNeeds


Undistributed
Period End2021-03-31
Value39
Percentage of UndistributedEarningsOfForeignSubsidiariesExcessAmountOverNearTermWorkingCapitalNeeds100.0

hli:UnrecognizedTaxBenefitsEstimatedDecreaseWithinNextTwelveMonths

hli:UnrecognizedTaxBenefitsEstimatedDecreaseWithinNextTwelveMonths


Unrecognized
Period End2021-03-31
Value1300000.0
Percentage of UnrecognizedTaxBenefitsEstimatedDecreaseWithinNextTwelveMonths100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value70675542375345404155454141403639394139312934354037
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value901087873518062646770656684773339626033455358435557
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxes

us-gaap:AccruedIncomeTaxes


Accrued
Period End2021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-12-312015-09-302015-03-31
Value680.03.7580.03.417.7593.4577.941179.9670.00.06.9844.9377.4540.025269.76
Percentage of AccruedIncomeTaxes100.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value10119.8028.717.4596.8895.575.3755.734.2556.6391111118.6489.78511118.5187.8476.6764.2665.4734.9986.4044.6254.6395.1395.6913.862
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-03-312020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2021351254026152091326019
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Assets
Period End2021-03-312020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2021351254026152091176019
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.088.3100.0100.0

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired us-gaap:StatementGeographical, us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

country:IT, hli:LeonardoCO.NV


Business
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302015-11-30
Value51.051.051.00.510.510.510.5151.00.49
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4814000.04422000.07397000.07045000.06711000.07192000.06942000.06637000.06628000.06033000.04881000.02452000.07450000.07462000.0
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2927372928262729292728303131
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

hli:NonInterestBearingUnsecuredConvertibleLoan, us-gaap:LoansPayable


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-08-312018-04-30
Value161617174.510
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesTradingAndEquitySecuritiesFvNiCost

us-gaap:DebtSecuritiesTradingAndEquitySecuritiesFvNiCost


Debt
Period End2021-03-31
Value202
Percentage of DebtSecuritiesTradingAndEquitySecuritiesFvNiCost100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-31
Value33289.5645.1475.0176.5077.616.5392.854
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value90835358938589
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value1281005949624747
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign


Deferred
Period End2021-03-31
Value5616000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsForeign100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value15157.789110.2511.3993.58
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value75534832574341
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value1305000.01078000.0675000.02347000.04920000.03195000.02294000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value49495150777777
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value128.6298.6070.00.00.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.00.00.00.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

us-gaap:ForeignExchangeForward


Derivative
Period End2021-06-302020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-09-302018-03-31
Value9.03.24.95.04.8201.5109.0
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value5103000.06744000.05846000.04961000.04028000.08780000.07719000.06670000.05624000.08006000.07034000.06028000.05028000.03983000.03530000.04109000.04105000.03284000.06017000.05648000.04858000.08657000.07044000.07044000.00888000.0928000.0888000.0
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:DueFromRelatedParties us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DueFromRelatedParties

us-gaap:OtherAssets, us-gaap:LoansReceivable, hli:CompanyEmployees


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-09-30
Value161616161717151414151413127.4896.9947.2335.8655.865
Percentage of DueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromRelatedParties us-gaap:RelatedPartyTransaction

hli:AccountsReceivableAfterAllowanceForCreditLossAndUnbilledReceivablesWorkInProcess


Due
Period End2020-12-312020-03-31
Value0.0260.0
Percentage of DueFromRelatedParties0.20.0

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value390648436288222420322297232404291268189377281276199336233180135254196185301
Percentage of EmployeeRelatedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value197921431191458013911012677
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value4.9273.8632.9263.174.9648.553141110119.3887.8816.302131212111110109.2138.467.1746.4285.481
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-31
Value325000.02207000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2021-06-302020-12-312020-09-30
Value1143000.01082000.02274000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value7000.07000.0325000.0325000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value7000.0325000.02207000.02207000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value202134124261520913260190.0
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:HeldToMaturitySecurities us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-03-31
Value1784311622183
Percentage of HeldToMaturitySecurities88.232.093.183.287.7

us-gaap:USTreasurySecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-06-302018-03-31
Value23918.6084.4511515
Percentage of HeldToMaturitySecurities11.868.06.916.8100.07.4

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value711000.0901000.0445000.016000.08000.024000.017000.016000.00
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-03-31
Value389000.0210000.0372000.05000.013000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain54.723.383.631.254.2

us-gaap:USTreasurySecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-06-302018-03-31
Value322000.0691000.073000.011000.08000.011000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain45.376.716.468.8100.045.8

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value114000.0400000.015000.021000.02000.077000.083000.012000.07000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-03-31
Value114000.0349000.015000.021000.067000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.087.2100.0100.087.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-31
Value30293030293027272729170.0
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-31
Value30292929282926262628170.0
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-31
Value412022331771221349084321244026209
Percentage of HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-31
Value412022341781231359184331254026209
Percentage of HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111722031489410563575.98596231615209
Percentage of HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111722031479410563575.95196231615209
Percentage of HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:HeldToMaturitySecuritiesFairValue


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value20213512526152091326019
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-03-31
Value1784311622183
Percentage of HeldToMaturitySecuritiesFairValue88.131.893.183.287.7

us-gaap:USTreasurySecurities


Held
Period End2021-03-312020-03-312019-03-312018-09-302018-06-302018-03-31
Value24928.6814.4621515
Percentage of HeldToMaturitySecuritiesFairValue11.968.26.916.8100.07.4

us-gaap:IncomeTaxReceivable

us-gaap:IncomeTaxReceivable


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-31
Value16124.2823.380.0125.6110.00.05.0986.887.2040.0
Percentage of IncomeTaxReceivable100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.0

us-gaap:InvestmentsFairValueDisclosure

us-gaap:InvestmentsFairValueDisclosure


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-06-30
Value41202234178123135918433125402099.068
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value412022341781231359184331259.068
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value351782061489943363116116183
Percentage of InvestmentsFairValueDisclosure84.688.188.183.280.631.840.537.150.893.187.7

us-gaap:FairValueInputsLevel2, us-gaap:USTreasurySecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value6.44424272924925453168.68115
Percentage of InvestmentsFairValueDisclosure15.411.911.916.819.468.259.562.949.26.97.4

us-gaap:InvestmentsFairValueDisclosure us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value351782061489943363116116183
Percentage of InvestmentsFairValueDisclosure84.688.188.183.280.631.840.537.150.893.187.7

us-gaap:USTreasurySecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value6.44424272924925453168.68115
Percentage of InvestmentsFairValueDisclosure15.411.911.916.819.468.259.562.949.26.97.4

us-gaap:InvestmentsInAndAdvancesToAffiliatesBalancePrincipalAmount us-gaap:SubsequentEventType

us-gaap:InvestmentsInAndAdvancesToAffiliatesBalancePrincipalAmount

us-gaap:SubsequentEvent


Investments
Period End2021-02-01
Value7000000.0
Percentage of InvestmentsInAndAdvancesToAffiliatesBalancePrincipalAmount100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-31
Value2529
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302020-12-312020-09-30
Value217.65715
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LoansAndLeasesReceivableRelatedParties us-gaap:BalanceSheetLocation

us-gaap:LoansAndLeasesReceivableRelatedParties

us-gaap:OtherAssets


Loans
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value1617157.4895.865
Percentage of LoansAndLeasesReceivableRelatedParties100.0100.0100.0100.0100.0

us-gaap:LoansPayable

us-gaap:LoansPayable


Loans
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-31
Value3.5173.3623.2833.3426.458156.616.7128.8998.8628.8258.78712121215153914150.0
Percentage of LoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2021-03-312020-12-312020-09-30
Value121317
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2021-06-302021-03-31
Value211.943
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-03-312020-12-312020-09-30
Value6532000.06588000.06578000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-03-312020-12-312020-09-30
Value161514
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value6.534171210
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear


Long
Period End2021-06-302020-12-312020-09-30
Value5555000.0975000.01170000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0

us-gaap:MarketableSecurities

us-gaap:MarketableSecurities


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-31
Value4720823417812313591843312540209
Percentage of MarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3.83.83.83.83.84.04.14.1
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherFiniteLivedIntangibleAssetsGross

us-gaap:OtherFiniteLivedIntangibleAssetsGross


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-31
Value6.8096.8096.9548.376.15410181616181818181515151414141414
Percentage of OtherFiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities

us-gaap:OtherLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value455547452032352422222221206.2279.2939.1728.971127.8798.2728.3249.4169.0959.65511
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-04-302017-03-312016-03-31
Value0.3730.3730.3730.3730.3730.3730.3730.3720.3710.3690.3680.3660.366930.00.00.00.1921920.0
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:RestrictedStock, hli:IncentivePlan2006


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-31
Value2.7712.8423.539047355435703.6086553.763984378037903.8074672.8548933.626275.9031682.9839992.965475
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock, hli:IncentivePlan2006


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-31
Value63.2151.3751.3751.3751.3839.1339.1339150.039.1232.2932.2832290.032.2826.3922.3518.812.8512.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramAuthorizedAmount1 us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:SubsequentEvent


Stock
Period End2021-07-22
Value250
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthorityName

us-gaap:TaxCreditCarryforwardAmount

us-gaap:ForeignCountry


Tax
Period End2021-03-312020-03-312019-03-312018-12-31
Value2475000.02478000.02523000.03865000.0
Percentage of TaxCreditCarryforwardAmount100.0100.0100.0100.0

us-gaap:TaxesPayableCurrentAndNoncurrent

us-gaap:TaxesPayableCurrentAndNoncurrent


Taxes
Period End2021-06-302021-03-312020-12-31
Value586819
Percentage of TaxesPayableCurrentAndNoncurrent100.0100.0100.0

us-gaap:TradingSecurities

us-gaap:TradingSecurities


Trading
Period End2021-03-31
Value202
Percentage of TradingSecurities100.0

us-gaap:TradingSecuritiesDebt

us-gaap:TradingSecuritiesDebt


Trading
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value41234178123135918412540
Percentage of TradingSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradingSecuritiesDebt us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value351782061489943363111636
Percentage of TradingSecuritiesDebt84.60.088.183.280.631.840.537.193.190.3

us-gaap:USTreasurySecurities


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value6.444242729249254538.6813.971
Percentage of TradingSecuritiesDebt15.40.011.916.819.468.259.562.96.99.7

us-gaap:TradingSecuritiesDebtAmortizedCost

us-gaap:TradingSecuritiesDebtAmortizedCost


Trading
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4123317712213490843212440
Percentage of TradingSecuritiesDebtAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradingSecuritiesDebtAmortizedCost us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value35178206147984336311611637
Percentage of TradingSecuritiesDebtAmortizedCost84.70.088.383.380.832.040.437.050.893.190.4

us-gaap:USTreasurySecurities


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6.38323272923915353158.6083.932
Percentage of TradingSecuritiesDebtAmortizedCost15.30.011.716.719.268.059.663.049.26.99.6

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value1984000.01845000.01093000.0934000.0816000.0313000.010000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
(None,)
Common Stock Valueus-gaap: Statement Class Of Stock
EBT Margin
us-gaap:StatementGeographical
(None,)
E B T  Marginus-gaap: Statement Geographical
Gross Margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Gross  Marginus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:GrossProfit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Gross Profitus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:StatementGeographical
(None,)
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interestus-gaap: Statement Geographical
us-gaap:InterestExpenseDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
(None, 'us-gaap:LoansPayable')
Interest Expense Debtus-gaap: Debt Instrument, us-gaap: Longterm Debt Type
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenue From Contract With Customer Including Assessed Taxus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Including Assessed Taxus-gaap: Statement Geographical
us-gaap:Assets
us-gaap:ConsolidationItems
(None,)
Assetsus-gaap: Consolidation Items
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:StatementGeographical
(None,)
Assetsus-gaap: Statement Geographical
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
(None, 'us-gaap:CommonStock')
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Class Of Stock, us-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
(None,)
Common Stock Valueus-gaap: Statement Class Of Stock
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components