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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"/>
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  <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:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="AmountsRecordedRelatingToNetReferralFeesForUnderwritingPrivatePlacementAndRestructuringTransactions" id="lzd_AmountsRecordedRelatingToNetReferralFeesForUnderwritingPrivatePlacementAndRestructuringTransactions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="AwardedUnderTwoThousandEightPlanMember" id="lzd_AwardedUnderTwoThousandEightPlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="BusinessAcquisitionEarnoutShareUnrestrictedOrDelivered" id="lzd_BusinessAcquisitionEarnoutShareUnrestrictedOrDelivered" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="BusinessAcquisitionNumberOfCommonStockIssuedSubjectToEarnoutCriteriaAndPayableOverTime" id="lzd_BusinessAcquisitionNumberOfCommonStockIssuedSubjectToEarnoutCriteriaAndPayableOverTime" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="BusinessAcquisitionShareIssuedForEarnOutSharesSettled" id="lzd_BusinessAcquisitionShareIssuedForEarnOutSharesSettled" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
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  <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"/>
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  <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"/>
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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="ContingenciesAndCommitmentsLineItems" id="lzd_ContingenciesAndCommitmentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <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="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="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="DepositsAndOtherCustomerPayables" id="lzd_DepositsAndOtherCustomerPayables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DerivativeLiabilityChangeInFairValue" id="lzd_DerivativeLiabilityChangeInFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DerivativeLiabilitySettled" id="lzd_DerivativeLiabilitySettled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DistributionToMembersAndNoncontrollingInterestsNet" id="lzd_DistributionToMembersAndNoncontrollingInterestsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DocumentDocumentAndEntityInformationAbstract" id="lzd_DocumentDocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" 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="EmployeeServiceShareBasedCompensationUnrecognizedCompensationCosts" id="lzd_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="EquityAndFixedIncomeSwapsAndOtherMember" id="lzd_EquityAndFixedIncomeSwapsAndOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FairValueMeasurementsSummaryOfChangesInFairValueOfLevelThreeAssetsLineItems" id="lzd_FairValueMeasurementsSummaryOfChangesInFairValueOfLevelThreeAssetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationAdjustments" id="lzd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" 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="FinancingReceivablesMember" id="lzd_FinancingReceivablesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" 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="FundAdministrationAndOutsourcedServices" id="lzd_FundAdministrationAndOutsourcedServices" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="GoverningOperatingAgreementDate" id="lzd_GoverningOperatingAgreementDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <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"/>
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  <element name="IntangibleAssetAmortizationAttributableToNoncontrollingInterestPercentage" id="lzd_IntangibleAssetAmortizationAttributableToNoncontrollingInterestPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <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"/>
  <element name="IssuanceOfRestrictedStockUnitsInConnectionWithDividendParticipationRights" id="lzd_IssuanceOfRestrictedStockUnitsInConnectionWithDividendParticipationRights" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="LazardFundInterestsAndOtherSimilarDeferredCompensationArrangementsMember" id="lzd_LazardFundInterestsAndOtherSimilarDeferredCompensationArrangementsMember" type="nonnum:domainItemType" abstract="true" 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"/>
  <element name="LazardLimitedMember" id="lzd_LazardLimitedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardLtdMember" id="lzd_LazardLtdMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardMdHoldingsLlcMember" id="lzd_LazardMdHoldingsLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazMdHoldingsMember" id="lzd_LazMdHoldingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LfbMember" id="lzd_LfbMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LfcmHoldingsMember" id="lzd_LfcmHoldingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LfnyUSRegisteredBrokerDealerMember" id="lzd_LfnyUSRegisteredBrokerDealerMember" 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"/>
  <element name="ManagementFeesCustomerRelationshipsAndNonCompeteAgreementsMember" id="lzd_ManagementFeesCustomerRelationshipsAndNonCompeteAgreementsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" 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"/>
  <element name="MaximumContingentEarnOutPayment" id="lzd_MaximumContingentEarnOutPayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <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="MonthlyMember" id="lzd_MonthlyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetRevenue" id="lzd_NetRevenue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NonExecutiveMember" id="lzd_NonExecutiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoninterestBearingTradeReceivables" id="lzd_NoninterestBearingTradeReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfActualAwardsTimesTargetNumberOfCommonStock" id="lzd_NumberOfActualAwardsTimesTargetNumberOfCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSharesCommonMembershipInterestsPurchasedCurrentYear" id="lzd_NumberOfSharesCommonMembershipInterestsPurchasedCurrentYear" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OffSettingAssetsAndLiabilitiesPolicyTextBlock" id="lzd_OffSettingAssetsAndLiabilitiesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationAndBasisOfPresentationLineItems" id="lzd_OrganizationAndBasisOfPresentationLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationAndBasisOfPresentationTable" id="lzd_OrganizationAndBasisOfPresentationTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="OtherComprehensiveIncomeAdjustmentForItemsReclassifiedToEarningsNetActuarialGainsLossesAndPriorServiceCostArisingDuringPeriodNetOfTax" id="lzd_OtherComprehensiveIncomeAdjustmentForItemsReclassifiedToEarningsNetActuarialGainsLossesAndPriorServiceCostArisingDuringPeriodNetOfTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeAdjustmentForItemsReclassifiedToEarningsNetActuarialGainsLossesAndPriorServiceCostOtherArisingDuringPeriodNetOfTax" id="lzd_OtherComprehensiveIncomeAdjustmentForItemsReclassifiedToEarningsNetActuarialGainsLossesAndPriorServiceCostOtherArisingDuringPeriodNetOfTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeAmortizationExpenseRelatingToEmployeeBenefitPlans" id="lzd_OtherComprehensiveIncomeAmortizationExpenseRelatingToEmployeeBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeLossReclassificationAdjustmentOnAmortizationOfLossOnInterestRateHedgeIncludedInNetIncomeBeforeTax" id="lzd_OtherComprehensiveIncomeLossReclassificationAdjustmentOnAmortizationOfLossOnInterestRateHedgeIncludedInNetIncomeBeforeTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherMemberMember" id="lzd_OtherMemberMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherNonUsPensionPlanUsdsMember" id="lzd_OtherNonUsPensionPlanUsdsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <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"/>
  <element name="ParentCompanyStockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" id="lzd_ParentCompanyStockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForFinancingActivitiesAbstract" id="lzd_PaymentsForFinancingActivitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForOtherFinancingActivities" id="lzd_PaymentsForOtherFinancingActivities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsFromTwoThousandAndFourteenThroughTwoThousandAndTwentyMember" id="lzd_PaymentsFromTwoThousandAndFourteenThroughTwoThousandAndTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsFromTwoThousandAndTwelveThroughTwoThousandAndTwentyMember" id="lzd_PaymentsFromTwoThousandAndTwelveThroughTwoThousandAndTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageCommonMembershipInterestsHeld" id="lzd_PercentageCommonMembershipInterestsHeld" type="num:percentItemType" abstract="false" xbrli:periodType="instant" 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"/>
  <element name="PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableNextFiveYears" id="lzd_PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableNextFiveYears" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableThereafter" id="lzd_PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableThereafter" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfFairValueNotRedeemable" id="lzd_PercentageOfFairValueNotRedeemable" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfOutstandingClassCommonStock" id="lzd_PercentageOfOutstandingClassCommonStock" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfTargetNumberOfSharesSubjectToEachPrsuNoLongerSubjectToForfeitureDueToThresholdLevelOfPerformanceBeingAchieved" id="lzd_PercentageOfTargetNumberOfSharesSubjectToEachPrsuNoLongerSubjectToForfeitureDueToThresholdLevelOfPerformanceBeingAchieved" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PerformanceRestrictedStockUnitsMember" id="lzd_PerformanceRestrictedStockUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PortionOfAnnualCompensationElectedToBePaidInDeferredStockUnitsInLieuOfCash" id="lzd_PortionOfAnnualCompensationElectedToBePaidInDeferredStockUnitsInLieuOfCash" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAsset" id="lzd_PrepaidCompensationAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetAdjustmentToForfeiture" id="lzd_PrepaidCompensationAssetAdjustmentToForfeiture" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetChangeInFairValue" id="lzd_PrepaidCompensationAssetChangeInFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetForeignCurrencyTranslationAndOtherAdjustments" id="lzd_PrepaidCompensationAssetForeignCurrencyTranslationAndOtherAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetForfeited" id="lzd_PrepaidCompensationAssetForfeited" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetGranted" id="lzd_PrepaidCompensationAssetGranted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetSettled" id="lzd_PrepaidCompensationAssetSettled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromFinancingActivitiesAbstract" id="lzd_ProceedsFromFinancingActivitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromOtherFinancingActivities" id="lzd_ProceedsFromOtherFinancingActivities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <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"/>
  <element name="QuarterlyMember" id="lzd_QuarterlyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivableDeemedPastDueOrUncollectible" id="lzd_ReceivableDeemedPastDueOrUncollectible" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivablesFromCustomersAndOther" id="lzd_ReceivablesFromCustomersAndOther" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivablesNet" id="lzd_ReceivablesNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivablesNetAbstract" id="lzd_ReceivablesNetAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivablesNetLineItems" id="lzd_ReceivablesNetLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivablesNetTable" id="lzd_ReceivablesNetTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ReceivablesNetTextBlock" id="lzd_ReceivablesNetTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReferralFeesForUnderwritingAndPrivatePlacementTransactionsMember" id="lzd_ReferralFeesForUnderwritingAndPrivatePlacementTransactionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RegulatoryAuthoritiesLineItems" id="lzd_RegulatoryAuthoritiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RelatedPartyLossOnSaleOfIntercompanyReceivables" id="lzd_RelatedPartyLossOnSaleOfIntercompanyReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RemainingCommitmentDate" id="lzd_RemainingCommitmentDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RemeasurementMember" id="lzd_RemeasurementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <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="SalesOfIntercompanyReceivableMember" id="lzd_SalesOfIntercompanyReceivableMember" type="nonnum:domainItemType" abstract="true" 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="ScheduleOfDefinedBenefitPlanNetPeriodCostsTable" id="lzd_ScheduleOfDefinedBenefitPlanNetPeriodCostsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfGrossCostAndAccumulatedAmortizationTableTextBlock" id="lzd_ScheduleOfGrossCostAndAccumulatedAmortizationTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfGroupDistributionsLineItems" id="lzd_ScheduleOfGroupDistributionsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfGroupDistributionsTable" id="lzd_ScheduleOfGroupDistributionsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfGroupDistributionsTableTextBlock" id="lzd_ScheduleOfGroupDistributionsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfIntangibleAssetsTable" id="lzd_ScheduleOfIntangibleAssetsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfMembersEquityLineItems" id="lzd_ScheduleOfMembersEquityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriods" id="lzd_ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriods" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfRegulatoryAuthoritiesTable" id="lzd_ScheduleOfRegulatoryAuthoritiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfStockholdersEquityTable" id="lzd_ScheduleOfStockholdersEquityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfSummaryOfActivityRelatedToSharesOfRestrictedClassCommonStockTableTextBlock" id="lzd_ScheduleOfSummaryOfActivityRelatedToSharesOfRestrictedClassCommonStockTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorDebtMember" id="lzd_SeniorDebtMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorRevolvingCreditFacility" id="lzd_SeniorRevolvingCreditFacility" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" 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="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="StockIssuedDuringPeriodValueShareBasedCompensationAndRelatedTaxBenefitExpense" id="lzd_StockIssuedDuringPeriodValueShareBasedCompensationAndRelatedTaxBenefitExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" id="lzd_StockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SuccessAndPerformanceFeesMember" id="lzd_SuccessAndPerformanceFeesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" 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="TaxBenefitExpenseAssociatedWithActuaryGainLossEmployeeBenefitPlans" id="lzd_TaxBenefitExpenseAssociatedWithActuaryGainLossEmployeeBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxBenefitOrExpensesRelatedToDeliveryOfClassaCommonStockInConnectionWithShareBasedIncentiveCompensation" id="lzd_TaxBenefitOrExpensesRelatedToDeliveryOfClassaCommonStockInConnectionWithShareBasedIncentiveCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TradeReceivablesMember" id="lzd_TradeReceivablesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UkPensionPlanUsdsMember" id="lzd_UkPensionPlanUsdsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncategorizedAbstract" id="lzd_UncategorizedAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitedKingdomPensionPlansMember" id="lzd_UnitedKingdomPensionPlansMember" 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"/>
</schema>
