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  <xsd:element name="SubscriptionAndSoftwareRevenue" id="azpn_SubscriptionAndSoftwareRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SubscriptionAndSoftwareRevenueAbstract" id="azpn_SubscriptionAndSoftwareRevenueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdPeriodForClassificationOfCurrentInstallmentsReceivable" id="azpn_ThresholdPeriodForClassificationOfCurrentInstallmentsReceivable" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TotalSubscriptionAndSoftwareRevenuePercentOfTotal" id="azpn_TotalSubscriptionAndSoftwareRevenuePercentOfTotal" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BundledSmsRevenueFromPointProducts" id="azpn_BundledSmsRevenueFromPointProducts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DebtSecuritiesMaturitiesOneYearOrLessMember" id="azpn_DebtSecuritiesMaturitiesOneYearOrLessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtSecuritiesMaturitiesMoreThanOneYearMember" id="azpn_DebtSecuritiesMaturitiesMoreThanOneYearMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpactOfLicensingModelChangesExpenseAvailableToOffsetLowerRevenue" id="azpn_ImpactOfLicensingModelChangesExpenseAvailableToOffsetLowerRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RevenueRecognitionConcessionsOnContractModificationToExistingTermArrangement" id="azpn_RevenueRecognitionConcessionsOnContractModificationToExistingTermArrangement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SecuredBorrowingsAndCollateralizedReceivablesAbstract" id="azpn_SecuredBorrowingsAndCollateralizedReceivablesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevenueClassificationAndRevenueRecognitionMethodologyTableTextBlock" id="azpn_RevenueClassificationAndRevenueRecognitionMethodologyTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllowanceForDoubtfulAccountsActivityForAccountsReceivableTableTextBlock" id="azpn_AllowanceForDoubtfulAccountsActivityForAccountsReceivableTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetCashProvidedByOperatingActivitiesRelatedToSubscriptionOfferings" id="azpn_NetCashProvidedByOperatingActivitiesRelatedToSubscriptionOfferings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ValuationAllowancesAndReservesTransferToTradeAccountsReceivable" id="azpn_ValuationAllowancesAndReservesTransferToTradeAccountsReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RestructuringChargesFacilityExitCostsEstimatedSubleaseIncome" id="azpn_RestructuringChargesFacilityExitCostsEstimatedSubleaseIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AnticipatedNetCashPaymentsToSettleLiabilities" id="azpn_AnticipatedNetCashPaymentsToSettleLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="InterestIncomeCollateralizedReceivables" id="azpn_InterestIncomeCollateralizedReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InterestExpenseSecuredBorrowings" id="azpn_InterestExpenseSecuredBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityIncentivePlan2010Member" id="azpn_EquityIncentivePlan2010Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityIncentivePlan2005Member" id="azpn_EquityIncentivePlan2005Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockGrant" id="azpn_StockGrant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="WeightedAverageRemainingContractualTermAbstract" id="azpn_WeightedAverageRemainingContractualTermAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AggregateIntrinsicValueAbstract" id="azpn_AggregateIntrinsicValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsFederalAndStateCredits" id="azpn_DeferredTaxAssetsFederalAndStateCredits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxLiabilitiesPropertyLeaseholdImprovementsAndOtherBasisDifferences" id="azpn_DeferredTaxLiabilitiesPropertyLeaseholdImprovementsAndOtherBasisDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsIntangibleAssets" id="azpn_DeferredTaxAssetsIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsPropertyAndLeaseholdImprovements" id="azpn_DeferredTaxAssetsPropertyAndLeaseholdImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="StockBasedCompensationTaxDeductionsApicNol" id="azpn_StockBasedCompensationTaxDeductionsApicNol" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecognizedTaxBenefitsCurrencyTranslationAdjustment" id="azpn_UnrecognizedTaxBenefitsCurrencyTranslationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="StandbyLettersOfCreditInConnectionWithFacilityLeases" id="azpn_StandbyLettersOfCreditInConnectionWithFacilityLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="MaximumEmployeesPretaxContributionThatCanBeMatched" id="azpn_MaximumEmployeesPretaxContributionThatCanBeMatched" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SegmentRevenueAsPercentageOfTotalRevenue" id="azpn_SegmentRevenueAsPercentageOfTotalRevenue" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MaximumPeriodOverWhichCapitalizedSoftwareDevelopmentCostsAmortizationIsProvidedOnProductByProductBasisUsingStraightLineMethod" id="azpn_MaximumPeriodOverWhichCapitalizedSoftwareDevelopmentCostsAmortizationIsProvidedOnProductByProductBasisUsingStraightLineMethod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeDueAbstract" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeDueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeCurrent" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeDueInTwoYears" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeDueInTwoYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeDueInThreeYears" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeDueInThreeYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeDueInFourYears" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeDueInFourYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeDue" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeDue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueAbstract" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueCurrent" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInTwoYears" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInTwoYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInThreeYears" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInThreeYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInFourYears" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInFourYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="TransfersAccountedForAsSecuredBorrowingsClassificationAssociatedLiabilitiesTextBlock" id="azpn_TransfersAccountedForAsSecuredBorrowingsClassificationAssociatedLiabilitiesTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDue" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FixedIncomeCorporateDebtMarketableSecuritiesMaturityPeriodMaximumMinimumPeriod" id="azpn_FixedIncomeCorporateDebtMarketableSecuritiesMaturityPeriodMaximumMinimumPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedIncomeCorporateDebtMarketableSecuritiesMaturityPeriodMaximum" id="azpn_FixedIncomeCorporateDebtMarketableSecuritiesMaturityPeriodMaximum" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerReceivablesNumberAboveDisclosureThreshold" id="azpn_CustomerReceivablesNumberAboveDisclosureThreshold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GoodwillImpairmentNumberOfTriggeringEvents" id="azpn_GoodwillImpairmentNumberOfTriggeringEvents" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestructuringNumberOfRestructuringActions" id="azpn_RestructuringNumberOfRestructuringActions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerRevenueNumberAboveDisclosureThreshold" id="azpn_CustomerRevenueNumberAboveDisclosureThreshold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalLossRecognized" id="azpn_CapitalLossRecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ValuationAllowanceChangeInAmountIncrease" id="azpn_ValuationAllowanceChangeInAmountIncrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ValuationAllowanceChangeInAmountDecrease" id="azpn_ValuationAllowanceChangeInAmountDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxLiabilitiesReversalRestructuring" id="azpn_DeferredTaxLiabilitiesReversalRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DecreaseForeignIncomeTaxesPayable" id="azpn_DecreaseForeignIncomeTaxesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments" id="azpn_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments" id="azpn_AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" id="azpn_ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GoodwillAllocatedAmount" id="azpn_GoodwillAllocatedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ServicesAndOtherSegmentMember" id="azpn_ServicesAndOtherSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubscriptionAndSoftwareSegmentMember" id="azpn_SubscriptionAndSoftwareSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRevenueAndCostOfRevenueReclassificationsTableTextBlock" id="azpn_ScheduleOfRevenueAndCostOfRevenueReclassificationsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LegacySMSServicesMember" id="azpn_LegacySMSServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubscriptionAndSoftwareServicesMember" id="azpn_SubscriptionAndSoftwareServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProfessionalServicesTrainingAndOtherServicesMember" id="azpn_ProfessionalServicesTrainingAndOtherServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodOverWhichCustomersReceivedSMS" id="azpn_PeriodOverWhichCustomersReceivedSMS" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRevenueAndCostOfRevenueReclassificationsOnPreviouslyReportedResultsTableTextBlock" id="azpn_ScheduleOfRevenueAndCostOfRevenueReclassificationsOnPreviouslyReportedResultsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReclassificationMember" id="azpn_ReclassificationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeaseByCommencementDateAxis" id="azpn_OperatingLeaseByCommencementDateAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseArrangementTypeAxis" id="azpn_LeaseArrangementTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseArrangementTypeDomain" id="azpn_LeaseArrangementTypeDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OfficeSpaceInBedfordMassachusettsMember" id="azpn_OfficeSpaceInBedfordMassachusettsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesBaseAnnualRent" id="azpn_OperatingLeasesBaseAnnualRent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeDueInFiveYears" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeDueInFiveYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInFiveYears" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueInFiveYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CapitalizedComputerSoftwareDevelopmentCostsWeightedAverageUsefulLife" id="azpn_CapitalizedComputerSoftwareDevelopmentCostsWeightedAverageUsefulLife" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesLeaseholdImprovementsAllowance" id="azpn_OperatingLeasesLeaseholdImprovementsAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForFutureMinimumNonCancelableLease" id="azpn_PaymentsForFutureMinimumNonCancelableLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfPropertyPlantAndEquipmentComponentsTableTextBlock" id="azpn_ScheduleOfPropertyPlantAndEquipmentComponentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SoftwareLicensingIndemnificationObligationsNumberOfClaimsOutstanding" id="azpn_SoftwareLicensingIndemnificationObligationsNumberOfClaimsOutstanding" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueThereafter" id="azpn_OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalIncomeDueThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesAggregateCapitalExpendituresRelatedToLeasedPremises" id="azpn_OperatingLeasesAggregateCapitalExpendituresRelatedToLeasedPremises" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesContractualObligationsExpectedToBeMade" id="azpn_OperatingLeasesContractualObligationsExpectedToBeMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesAdditionalContractualObligationForCapitalExpenditures" id="azpn_OperatingLeasesAdditionalContractualObligationForCapitalExpenditures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesScheduledSubleaseRentalIncomeDueThereafter" id="azpn_OperatingLeasesScheduledSubleaseRentalIncomeDueThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesSubleaseRentalPaymentsReceived" id="azpn_OperatingLeasesSubleaseRentalPaymentsReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ComputerSoftwareDevelopmentCostsMember" id="azpn_ComputerSoftwareDevelopmentCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
</xsd:schema>


