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  <element name="AmendedAmountFromPreviousEscrowArrangement" id="lzd_AmendedAmountFromPreviousEscrowArrangement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmortizationGrantsOfAwardsToRetirementEligibleRecipients" id="lzd_AmortizationGrantsOfAwardsToRetirementEligibleRecipients" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmortizationOfDeferredExpensesStockUnitsAndInterestRateHedge" id="lzd_AmortizationOfDeferredExpensesStockUnitsAndInterestRateHedge" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmortizationOfPrepaidCompensationAssetWeightedAverageRecognitionPeriod" id="lzd_AmortizationOfPrepaidCompensationAssetWeightedAverageRecognitionPeriod" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmountReceivablesRelatedToAdministrativeAndSupportServicesAndReimbursementOfExpenses" id="lzd_AmountReceivablesRelatedToAdministrativeAndSupportServicesAndReimbursementOfExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmountsRecordedRelatingToAdministrativeServicesAgreement" id="lzd_AmountsRecordedRelatingToAdministrativeServicesAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmountsRecordedRelatingToNetReferralFeesForUnderwritingPrivatePlacementAndRestructuringTransactions" id="lzd_AmountsRecordedRelatingToNetReferralFeesForUnderwritingPrivatePlacementAndRestructuringTransactions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AssetManagementSegmentMember" id="lzd_AssetManagementSegmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AwardedUnderTwoThousandEightPlanMember" id="lzd_AwardedUnderTwoThousandEightPlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BusinessAcquisitionNonContingentConsiderationSharesIssuable" id="lzd_BusinessAcquisitionNonContingentConsiderationSharesIssuable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BusinessAcquisitionNumberOfCommonStockIssuedSubjectToEarnoutCriteriaAndPayableOverTime" id="lzd_BusinessAcquisitionNumberOfCommonStockIssuedSubjectToEarnoutCriteriaAndPayableOverTime" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BusinessAcquisitionsAndRelatedEquityTransactionsAbstract" id="lzd_BusinessAcquisitionsAndRelatedEquityTransactionsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BusinessAcquisitionShareIssuedForEarnOutSharesSettled" id="lzd_BusinessAcquisitionShareIssuedForEarnOutSharesSettled" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BusinessAcquisitionSharesEarned" id="lzd_BusinessAcquisitionSharesEarned" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CarryingAmountOfNonInterestBearingTradeReceivablesAndRelatedPartyReceivables" id="lzd_CarryingAmountOfNonInterestBearingTradeReceivablesAndRelatedPartyReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CashCollateralNettedAgainstDerivativeAssets" id="lzd_CashCollateralNettedAgainstDerivativeAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CertainAdvancesAndReferralFees" id="lzd_CertainAdvancesAndReferralFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CflfMember" id="lzd_CflfMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ChangeInFairValueOfCompensationLiability" id="lzd_ChangeInFairValueOfCompensationLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ChargeOffsForeignCurrencyTranslationAndOtherAdjustments" id="lzd_ChargeOffsForeignCurrencyTranslationAndOtherAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CofTwoMember" id="lzd_CofTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommonMembershipInterestIssued" id="lzd_CommonMembershipInterestIssued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommonMembershipInterestsHeld" id="lzd_CommonMembershipInterestsHeld" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommonMembershipInterestsShares" id="lzd_CommonMembershipInterestsShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommonStockDeliveredByCompanyShares" id="lzd_CommonStockDeliveredByCompanyShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommonStockHeldInParentCompanyShares" id="lzd_CommonStockHeldInParentCompanyShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommonStockHeldInParentCompanyValue" id="lzd_CommonStockHeldInParentCompanyValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CompanyContributionToUKPensionPlans" id="lzd_CompanyContributionToUKPensionPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="CompanyFundInterestsEquities" id="lzd_CompanyFundInterestsEquities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CompanyFundInterestsInAlternativeAssetManagementFundsFairValueOfInvestments" id="lzd_CompanyFundInterestsInAlternativeAssetManagementFundsFairValueOfInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CompensationAndBenefitsMember" id="lzd_CompensationAndBenefitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CompensationExpensesRecordedForLiabilityAwards" id="lzd_CompensationExpensesRecordedForLiabilityAwards" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ContingenciesAndCommitmentsTable" id="lzd_ContingenciesAndCommitmentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="CostSavingInitiativesDisclosureTextBlock" id="lzd_CostSavingInitiativesDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CostSavingsInitiativeCharges" id="lzd_CostSavingsInitiativeCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CostSavingsInitiativesAndRestructuringPlanExpensesTableTextBlock" id="lzd_CostSavingsInitiativesAndRestructuringPlanExpensesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CpIIMember" id="lzd_CpIIMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CumulativeComponentsMember" id="lzd_CumulativeComponentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CurrencyTranslationAdjustmentsMember" id="lzd_CurrencyTranslationAdjustmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DailyMember" id="lzd_DailyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtFundsMember" id="lzd_DebtFundsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentExcessOfFairValueOverCarryingValue" id="lzd_DebtInstrumentExcessOfFairValueOverCarryingValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DeferredStockUnitMember" id="lzd_DeferredStockUnitMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeliveryOfCommonStockAssociatedWithStockAwards" id="lzd_DeliveryOfCommonStockAssociatedWithStockAwards" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeliveryOfParentCompanyCommonStockShareBasedCompensationAndRelatedTaxBenefits" id="lzd_DeliveryOfParentCompanyCommonStockShareBasedCompensationAndRelatedTaxBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DepositsAndOtherCustomerPayables" id="lzd_DepositsAndOtherCustomerPayables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeLiabilityAdjustmentToForfeiture" id="lzd_DerivativeLiabilityAdjustmentToForfeiture" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeLiabilityAmortization" id="lzd_DerivativeLiabilityAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeLiabilityChangeInFairValue" id="lzd_DerivativeLiabilityChangeInFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeLiabilityForeignCurrencyTranslationAndOtherAdjustments" id="lzd_DerivativeLiabilityForeignCurrencyTranslationAndOtherAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeLiabilityForfeited" id="lzd_DerivativeLiabilityForfeited" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeLiabilityGranted" id="lzd_DerivativeLiabilityGranted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeLiabilitySettled" id="lzd_DerivativeLiabilitySettled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardAndOtherIncentiveAwardsTextBlock" id="lzd_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardAndOtherIncentiveAwardsTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureRegulatoryAuthoritiesAdditionalInformationAbstract" id="lzd_DisclosureRegulatoryAuthoritiesAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DistributionsToMembers" id="lzd_DistributionsToMembers" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DistributionToMembers" id="lzd_DistributionToMembers" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DistributionToMembersAndNoncontrollingInterestsNet" id="lzd_DistributionToMembersAndNoncontrollingInterestsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendParticipationRights" id="lzd_DividendParticipationRights" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentDocumentAndEntityInformationAbstract" id="lzd_DocumentDocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DueToRelatedPartyBusinessAcquisitions" id="lzd_DueToRelatedPartyBusinessAcquisitions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DurationOfSeniorRevolvingCreditFacility" id="lzd_DurationOfSeniorRevolvingCreditFacility" type="xbrli:durationItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EarnoutSharesMember" id="lzd_EarnoutSharesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EconomicInterestsThatAreOwnedByLeadershipTeamAndOtherInvestors" id="lzd_EconomicInterestsThatAreOwnedByLeadershipTeamAndOtherInvestors" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EdgewaterGrowthCapitalPartnersThreeLpMember" id="lzd_EdgewaterGrowthCapitalPartnersThreeLpMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EdgewaterMember" id="lzd_EdgewaterMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmployeeBenefitsMember" id="lzd_EmployeeBenefitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmployeeServiceShareBasedCompensationUnrecognizedCompensationCosts" id="lzd_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsWeightedAveragePeriodOfRecognition" id="lzd_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsWeightedAveragePeriodOfRecognition" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmployeesTaxObligationsInLieuOfSharesDelivered" id="lzd_EmployeesTaxObligationsInLieuOfSharesDelivered" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EquitiesMember" id="lzd_EquitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EquityAndFixedIncomeSwapsAndOtherMember" id="lzd_EquityAndFixedIncomeSwapsAndOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EquityAndFixedIncomeSwapsMember" id="lzd_EquityAndFixedIncomeSwapsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FairValueMeasurementsTable" id="lzd_FairValueMeasurementsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationAdjustments" id="lzd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueOfConsiderationInRelationToAcquisition" id="lzd_FairValueOfConsiderationInRelationToAcquisition" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FinancialAdvisorySegmentMember" id="lzd_FinancialAdvisorySegmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancingReceivables" id="lzd_FinancingReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FiniteLivedIntangibleAssetsAndGoodwillAccumulatedAmortization" id="lzd_FiniteLivedIntangibleAssetsAndGoodwillAccumulatedAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FrequencyTypeDomain" id="lzd_FrequencyTypeDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FundAdministrationAndOutsourcedServices" id="lzd_FundAdministrationAndOutsourcedServices" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FurnitureAndEquipmentMember" id="lzd_FurnitureAndEquipmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturePensionContributionsForNonUsPlans" id="lzd_FuturePensionContributionsForNonUsPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GoodwillAndIntangibleAssetsNet" id="lzd_GoodwillAndIntangibleAssetsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GoverningOperatingAgreementDate" id="lzd_GoverningOperatingAgreementDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GuaranteesIndemnifications" id="lzd_GuaranteesIndemnifications" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GuarantorObligationsCollateralHeld" id="lzd_GuarantorObligationsCollateralHeld" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreaseDecreaseInCashAndSecuritiesSegregatedUnderFederalAndOtherRegulations" id="lzd_IncreaseDecreaseInCashAndSecuritiesSegregatedUnderFederalAndOtherRegulations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreaseDecreaseInDepositsAndOtherCustomerPayables" id="lzd_IncreaseDecreaseInDepositsAndOtherCustomerPayables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="IntangibleAssetAmortizationAttributableToNoncontrollingInterestPercentage" id="lzd_IntangibleAssetAmortizationAttributableToNoncontrollingInterestPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IntangibleAssetsLineItems" id="lzd_IntangibleAssetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestBearingDeposits" id="lzd_InterestBearingDeposits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestBearingRelatedPartiesReceivables" id="lzd_InterestBearingRelatedPartiesReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestExpenseFromRelatedParty" id="lzd_InterestExpenseFromRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestIncomeRelatedToInterestBearingLoans" id="lzd_InterestIncomeRelatedToInterestBearingLoans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestRateCashFlowHedgesMember" id="lzd_InterestRateCashFlowHedgesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestRateOfSeniorNotes" id="lzd_InterestRateOfSeniorNotes" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentBankingAndOtherAdvisoryFees" id="lzd_InvestmentBankingAndOtherAdvisoryFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="InvestmentsIncludingDebtAndEquitySecuritiesOtherInvestmentsAsWellAsInvestmentsAccountedForUnderEquityMethodAndSecuritiesSoldNotYetPurchasedTableTextBlock" id="lzd_InvestmentsIncludingDebtAndEquitySecuritiesOtherInvestmentsAsWellAsInvestmentsAccountedForUnderEquityMethodAndSecuritiesSoldNotYetPurchasedTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="LazardGroupSevenPointOneTwoFivePercentSeniorNotesMember" id="lzd_LazardGroupSevenPointOneTwoFivePercentSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardGroupSixPointEightFivePercentSeniorNotesMember" id="lzd_LazardGroupSixPointEightFivePercentSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="LfcmHoldingsMember" id="lzd_LfcmHoldingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="LiabilityAwardsMember" id="lzd_LiabilityAwardsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LossOnSaleOfInterCompanyReceivable" id="lzd_LossOnSaleOfInterCompanyReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="MarketingAndBusinessDevelopmentExpense" id="lzd_MarketingAndBusinessDevelopmentExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="MbaLazardHoldingsMember" id="lzd_MbaLazardHoldingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MembersEquityMember" id="lzd_MembersEquityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MinimumNetCapitalRequirementAsDefinedUnderSecuritiesExchangeAct" id="lzd_MinimumNetCapitalRequirementAsDefinedUnderSecuritiesExchangeAct" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="NumberOfSharesCommonMembershipInterestsPurchasedCurrentYear" id="lzd_NumberOfSharesCommonMembershipInterestsPurchasedCurrentYear" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSharesOfCommonStockIssuedRelatedToAcquisition" id="lzd_NumberOfSharesOfCommonStockIssuedRelatedToAcquisition" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="OtherComprehensiveIncomeAmortizationExpenseRelatingToEmployeeBenefitPlans" id="lzd_OtherComprehensiveIncomeAmortizationExpenseRelatingToEmployeeBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="OtherComprehensiveIncomeReclassificationOfAmortizationExpenseRelatingToEmployeeBenefitPlansNetOfTax" id="lzd_OtherComprehensiveIncomeReclassificationOfAmortizationExpenseRelatingToEmployeeBenefitPlansNetOfTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="OtherRelatedPartiesMember" id="lzd_OtherRelatedPartiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherUSAndNonUSSubsidiariesMember" id="lzd_OtherUSAndNonUSSubsidiariesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ParentCompanyStockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" id="lzd_ParentCompanyStockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PayableToRelatedPartyResultingFromSalesOfIntercompanyReceivables" id="lzd_PayableToRelatedPartyResultingFromSalesOfIntercompanyReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="PaymentsFromTwoThousandAndFourteenThroughTwoThousandAndTwentyMember" id="lzd_PaymentsFromTwoThousandAndFourteenThroughTwoThousandAndTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="PercentageAsToThresholdForCalculationOfPerformanceObjectives" id="lzd_PercentageAsToThresholdForCalculationOfPerformanceObjectives" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfAggregateDebitBalancesRequiredAsMinimumNetCapital" id="lzd_PercentageOfAggregateDebitBalancesRequiredAsMinimumNetCapital" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfAnnualCompensationReceivedByDirectorsInDeferredStockUnits" id="lzd_PercentageOfAnnualCompensationReceivedByDirectorsInDeferredStockUnits" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableFiveToTenYears" id="lzd_PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableFiveToTenYears" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableThereafter" id="lzd_PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableThereafter" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="PerformanceRestrictedStockUnitsMember" id="lzd_PerformanceRestrictedStockUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" id="lzd_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProvisionForIncomeTaxes" id="lzd_ProvisionForIncomeTaxes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ReceivableDeemedPastDueOrUncollectible" id="lzd_ReceivableDeemedPastDueOrUncollectible" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="RestrictedStockUnitsRsusMember" id="lzd_RestrictedStockUnitsRsusMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RevolverCreditFacilityBorrowingInterestRate" id="lzd_RevolverCreditFacilityBorrowingInterestRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RsuMember" id="lzd_RsuMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RsuModifiedThroughForwardPurchaseAgreementsIntoLiabilityAward" id="lzd_RsuModifiedThroughForwardPurchaseAgreementsIntoLiabilityAward" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfActivityRelatingToRestrictedStockUnitAndDeferredStockUnitTableTextBlock" id="lzd_ScheduleOfActivityRelatingToRestrictedStockUnitAndDeferredStockUnitTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfAmountsReceivableFromAndPayableToRelatedPartiesTableTextBlock" id="lzd_ScheduleOfAmountsReceivableFromAndPayableToRelatedPartiesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ScheduleOfIntangibleAssetsTable" id="lzd_ScheduleOfIntangibleAssetsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriods" id="lzd_ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriods" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ScheduleOfStockholdersEquityLineItems" id="lzd_ScheduleOfStockholdersEquityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ScheduleOfSummaryOfActivityRelatedToSharesOfRestrictedClassCommonStockTableTextBlock" id="lzd_ScheduleOfSummaryOfActivityRelatedToSharesOfRestrictedClassCommonStockTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SettlementOfShareBasedIncentiveCompensation" id="lzd_SettlementOfShareBasedIncentiveCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfLiabilityComponentOfAward" id="lzd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfLiabilityComponentOfAward" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedIncentiveCompensationAndRelatedTaxBenefitOrExpenses" id="lzd_ShareBasedIncentiveCompensationAndRelatedTaxBenefitOrExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseAmountUnused" id="lzd_ShareRepurchaseAmountUnused" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseExpiryDate" id="lzd_ShareRepurchaseExpiryDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramMember" id="lzd_ShareRepurchaseProgramMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesInExchangeOfLikeNumberOfCommonMembershipInterests" id="lzd_SharesInExchangeOfLikeNumberOfCommonMembershipInterests" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesIssuableIfPerformanceThresholdsAreAchieved" id="lzd_SharesIssuableIfPerformanceThresholdsAreAchieved" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" id="lzd_SummaryOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfImpactOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" id="lzd_SummaryOfImpactOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfIncentivePlansOnCompensationAndBenefitsExpenseTableTextBlock" id="lzd_SummaryOfIncentivePlansOnCompensationAndBenefitsExpenseTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxBenefitExpenseAssociatedWithActuaryLossEmployeeBenefitPlans" id="lzd_TaxBenefitExpenseAssociatedWithActuaryLossEmployeeBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxExpenseAssociatedWithAdjustmentForItemReclassifiedToEarningsEmployeeBenefitPlans" id="lzd_TaxExpenseAssociatedWithAdjustmentForItemReclassifiedToEarningsEmployeeBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UKPensionPlanMember" id="lzd_UKPensionPlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitedKingdomSubsidiaryMember" id="lzd_UnitedKingdomSubsidiaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitsGrantedDirectorsDeferredUnitPlan" id="lzd_UnitsGrantedDirectorsDeferredUnitPlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnusedLineOfCreditFacilityAvailable" id="lzd_UnusedLineOfCreditFacilityAvailable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateMarchTwoThousandFifteenMember" id="lzd_VestingDateMarchTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateMarchTwoThousandSixteenMember" id="lzd_VestingDateMarchTwoThousandSixteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeeklyMember" id="lzd_WeeklyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WithholdingTaxesInLieuOfShareDelivery" id="lzd_WithholdingTaxesInLieuOfShareDelivery" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
