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  <element name="AvailableForSaleSecuritiesDebtMaturityPeriodRange" id="azo_AvailableForSaleSecuritiesDebtMaturityPeriodRange" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CapitalLeasesMember" id="azo_CapitalLeasesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ConcentrationRiskNumberOfProductClass" id="azo_ConcentrationRiskNumberOfProductClass" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ConcentrationRiskNumberOfVendors" id="azo_ConcentrationRiskNumberOfVendors" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CostOfSalesAndOperatingSellingGeneralAndAdministrativeExpensesPolicyTextBlock" id="azo_CostOfSalesAndOperatingSellingGeneralAndAdministrativeExpensesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CustomerRelationshipAndTechnologyMember" id="azo_CustomerRelationshipAndTechnologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentCovenantConsolidatedInterestCoverageRatio" id="azo_DebtInstrumentCovenantConsolidatedInterestCoverageRatio" type="xbrli:pureItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentCovenantMinimumConsolidatedInterestCoverageRatio" id="azo_DebtInstrumentCovenantMinimumConsolidatedInterestCoverageRatio" type="xbrli:pureItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentIssueDate" id="azo_DebtInstrumentIssueDate" type="xbrli:gYearMonthItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentMaturityMonthAndYear" id="azo_DebtInstrumentMaturityMonthAndYear" type="xbrli:gYearMonthItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts" id="azo_DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards" id="azo_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedBenefitPlanAssumptionsConsecutivePeriodOfHighestAverageCompensation" id="azo_DefinedBenefitPlanAssumptionsConsecutivePeriodOfHighestAverageCompensation" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedBenefitPlanCashContributedDuringPeriodStillHeld" id="azo_DefinedBenefitPlanCashContributedDuringPeriodStillHeld" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedBenefitPlanNetPeriodicBenefitCostsPeriodIncreaseDecrease" id="azo_DefinedBenefitPlanNetPeriodicBenefitCostsPeriodIncreaseDecrease" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedBenefitPlansAndOtherPostretirementBenefitPlansLineItems" id="azo_DefinedBenefitPlansAndOtherPostretirementBenefitPlansLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedBenefitPlansAndOtherPostretirementBenefitPlansTable" id="azo_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="DescriptionOfNewAccountingPronouncementsAdoptedPolicyTextBlock" id="azo_DescriptionOfNewAccountingPronouncementsAdoptedPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DiscretionaryMember" id="azo_DiscretionaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendsPolicyTextBlock" id="azo_DividendsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentAndEntityInformationAbstract" id="azo_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DomesticEquitiesMember" id="azo_DomesticEquitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmergingEquitiesMember" id="azo_EmergingEquitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmployeeHealthMember" id="azo_EmployeeHealthMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExecutiveStockPurchasePlanMember" id="azo_ExecutiveStockPurchasePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExercisePeriodOfVestedOptionsAfterDeath" id="azo_ExercisePeriodOfVestedOptionsAfterDeath" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExpenseRelatedToDiscountOnSellingOfSharesToEmployeesAndExecutives" id="azo_ExpenseRelatedToDiscountOnSellingOfSharesToEmployeesAndExecutives" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FailureMember" id="azo_FailureMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancialInstrumentsPolicyTextBlock" id="azo_FinancialInstrumentsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" id="azo_FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FutureTaxableIncomeAmountForUtilizingDeferredTaxAssets" id="azo_FutureTaxableIncomeAmountForUtilizingDeferredTaxAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GeneralProductsLiabilityAndVehicleMember" id="azo_GeneralProductsLiabilityAndVehicleMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="HighYieldEquitiesMember" id="azo_HighYieldEquitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreaseInAmountAuthorizedUnderStockRepurchaseProgram" id="azo_IncreaseInAmountAuthorizedUnderStockRepurchaseProgram" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InteramericanMotorCorporationMember" id="azo_InteramericanMotorCorporationMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestExpenseTableTextBlock" id="azo_InterestExpenseTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InternationalEquitiesMember" id="azo_InternationalEquitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LeasesLineItems" id="azo_LeasesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LeasesTable" id="azo_LeasesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="LetterOfCreditFacilityExtendedExpirationDate" id="azo_LetterOfCreditFacilityExtendedExpirationDate" type="xbrli:gYearMonthItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LimitedWarrantyPeriodMinimumPeriod" id="azo_LimitedWarrantyPeriodMinimumPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LineOfCreditFacilityExpirationYearAndMonth" id="azo_LineOfCreditFacilityExpirationYearAndMonth" type="xbrli:gYearMonthItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LineOfCreditFacilityTermPriorToExpirationPeriod" id="azo_LineOfCreditFacilityTermPriorToExpirationPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaintenanceItemsMember" id="azo_MaintenanceItemsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MarketableSecuritiesTransferredToTrustAccount" id="azo_MarketableSecuritiesTransferredToTrustAccount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaturityPeriodOfInvestments" id="azo_MaturityPeriodOfInvestments" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaximumLimitOfFeesDirectorCanElectToReceiveInStock" id="azo_MaximumLimitOfFeesDirectorCanElectToReceiveInStock" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaximumLimitsPerClaimForSelfInsuredPlanPerAnnum" id="azo_MaximumLimitsPerClaimForSelfInsuredPlanPerAnnum" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MeasureOfIncomeTaxBenefitForUncertainIncomeTaxPositions" id="azo_MeasureOfIncomeTaxBenefitForUncertainIncomeTaxPositions" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MultiYearRevolvingCreditAgreementMember" id="azo_MultiYearRevolvingCreditAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfLocations" id="azo_NumberOfLocations" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfOperatingBranches" id="azo_NumberOfOperatingBranches" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSharesUnderOptionForPurchaseEachYearNonEmployeeDirectors" id="azo_NumberOfSharesUnderOptionForPurchaseEachYearNonEmployeeDirectors" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfStoresWithCommercialSalesProgram" id="azo_NumberOfStoresWithCommercialSalesProgram" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLossCarryforwardsExpirationDateDescription" id="azo_OperatingLossCarryforwardsExpirationDateDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLossCarryforwardsExpirationPeriodEndYear" id="azo_OperatingLossCarryforwardsExpirationPeriodEndYear" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLossCarryforwardsExpirationPeriodStartYear" id="azo_OperatingLossCarryforwardsExpirationPeriodStartYear" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherLettersOfCreditMember" id="azo_OtherLettersOfCreditMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherTaxCreditCarryforwardExpirationDates" id="azo_OtherTaxCreditCarryforwardExpirationDates" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForProceedsFromCapitalAssetsAndOthers" id="azo_PaymentsForProceedsFromCapitalAssetsAndOthers" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfPenaltyForExtendingExpirationPeriod" id="azo_PercentageOfPenaltyForExtendingExpirationPeriod" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreOpeningExpensesPolicyTextBlock" id="azo_PreOpeningExpensesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RegulatoryAssetsAbstract" id="azo_RegulatoryAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SalesAndUseTaxesPolicyTextBlock" id="azo_SalesAndUseTaxesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SavingsOptionPercentageMaximumOfQualifiedEarnings" id="azo_SavingsOptionPercentageMaximumOfQualifiedEarnings" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock" id="azo_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTable" id="azo_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfFutureMinimumLeasePaymentsForNonCancelableOperatingAndCapitalLeasesTableTextBlock" id="azo_ScheduleOfFutureMinimumLeasePaymentsForNonCancelableOperatingAndCapitalLeasesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfSaleOfSubsidiaryAbstract" id="azo_ScheduleOfSaleOfSubsidiaryAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesEightMember" id="azo_SeniorNotesEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesElevenMember" id="azo_SeniorNotesElevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesFifteenMember" id="azo_SeniorNotesFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesFiveMember" id="azo_SeniorNotesFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesFourMember" id="azo_SeniorNotesFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesFourteenMember" id="azo_SeniorNotesFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesNineMember" id="azo_SeniorNotesNineMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesSevenMember" id="azo_SeniorNotesSevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesSeventeenMember" id="azo_SeniorNotesSeventeenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesSixMember" id="azo_SeniorNotesSixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesSixteenMember" id="azo_SeniorNotesSixteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesTenMember" id="azo_SeniorNotesTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesThirteenMember" id="azo_SeniorNotesThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesTwelveMember" id="azo_SeniorNotesTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SettlementTermOfCreditAndDebitCardTransactions" id="azo_SettlementTermOfCreditAndDebitCardTransactions" type="us-types:durationStringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate" id="azo_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPerEmployee" id="azo_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPerEmployee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" id="azo_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationPeriodAfterEmployeeSeparation" id="azo_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationPeriodAfterEmployeeSeparation" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesPurchasedFromEmployeesAtFairValue" id="azo_SharesPurchasedFromEmployeesAtFairValue" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SignificantAccountingPoliciesLineItems" id="azo_SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SignificantAccountingPoliciesTable" id="azo_SignificantAccountingPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="StockRepurchaseProgramLineItems" id="azo_StockRepurchaseProgramLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockRepurchaseProgramTable" id="azo_StockRepurchaseProgramTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="SubleasedPropertiesInConnectionWithSaleOfTruckProMember" id="azo_SubleasedPropertiesInConnectionWithSaleOfTruckProMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxCreditCarryForwardExpirationYearEnd" id="azo_TaxCreditCarryForwardExpirationYearEnd" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxCreditCarryForwardExpirationYearStart" id="azo_TaxCreditCarryForwardExpirationYearStart" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TermLoanMaturityPeriod" id="azo_TermLoanMaturityPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TermLoanMember" id="azo_TermLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TermsOfLeasePeriod" id="azo_TermsOfLeasePeriod" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThreeSixtyFourDayRevolvingCreditAgreementMember" id="azo_ThreeSixtyFourDayRevolvingCreditAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TwoThousandThreeMember" id="azo_TwoThousandThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TwoThousandThreePlanMember" id="azo_TwoThousandThreePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VehiclesInsuranceMember" id="azo_VehiclesInsuranceMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VendorAllowancesAndAdvertisingCostsPolicyTextBlock" id="azo_VendorAllowancesAndAdvertisingCostsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VendorPromotionalFunds" id="azo_VendorPromotionalFunds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WarrantyCostsPolicyTextBlock" id="azo_WarrantyCostsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WorkersCompensationAndPropertyMember" id="azo_WorkersCompensationAndPropertyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
