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  <xsd:element id="omcl_BusinessAcquisitionsReceivablesnotExpectedCollectible" name="BusinessAcquisitionsReceivablesnotExpectedCollectible" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="omcl_BusinessCombinationStepAcquisitionInventoryAdjustment" name="BusinessCombinationStepAcquisitionInventoryAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_CashAndCashEquivalentsGrossUnrealizedGain" name="CashAndCashEquivalentsGrossUnrealizedGain" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_CashAndCashEquivalentsGrossUnrealizedLosses" name="CashAndCashEquivalentsGrossUnrealizedLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="omcl_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost" name="CashCashEquivalentsAndShortTermInvestmentsAmortizedCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure" name="CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_CashCashEquivalentsAndShortTermInvestmentsGrossUnrealizedGains" name="CashCashEquivalentsAndShortTermInvestmentsGrossUnrealizedGains" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_CashCashEquivalentsAndShortTermInvestmentsGrossUnrealizedLosses" name="CashCashEquivalentsAndShortTermInvestmentsGrossUnrealizedLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="omcl_ChangeInAccountingEstimateImpactOnDiltedEps" name="ChangeInAccountingEstimateImpactOnDiltedEps" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_Commitments" name="Commitments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_CommitmentsAbstract" name="CommitmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_CostOfProductRevenueMember" name="CostOfProductRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_CostOfSalesExcludingInstallationCostsForDeferredGrossProfit" name="CostOfSalesExcludingInstallationCostsForDeferredGrossProfit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_CustomersWith10AcctsRecConcentration" name="CustomersWith10AcctsRecConcentration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant" />
  <xsd:element id="omcl_CustomersWith10RevenueConcentration" name="CustomersWith10RevenueConcentration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_DeferredGrossProfit" name="DeferredGrossProfit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="omcl_DeferredGrossProfitAbstract" name="DeferredGrossProfitAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_DeferredGrossProfitTableTextBlock" name="DeferredGrossProfitTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_DeferredGrossProfitTextBlock" name="DeferredGrossProfitTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_DeferredServiceRevenue" name="DeferredServiceRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="omcl_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_EffectiveTaxRateBeforeDiscreteItems" name="EffectiveTaxRateBeforeDiscreteItems" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_EsppMaxPercentOfEarningsContributable" name="EsppMaxPercentOfEarningsContributable" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_EsppPurchasePriceAsPercentOfBeginAndOrEndingFairValue" name="EsppPurchasePriceAsPercentOfBeginAndOrEndingFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_EsspMaxAnnualContribution" name="EsspMaxAnnualContribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_EurodollarRateMember" name="EurodollarRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_ExpectedAmortizationOfAcquiredIntangiblesFirstYear" name="ExpectedAmortizationOfAcquiredIntangiblesFirstYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_FederalFundsRateMember" name="FederalFundsRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_FinancingReceivableGrossCollectivelyEvalauatedForImpairment" name="FinancingReceivableGrossCollectivelyEvalauatedForImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_FinancingReceivableGrossIndividuallyEvaluatedForImpairment" name="FinancingReceivableGrossIndividuallyEvaluatedForImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="omcl_GrossMarginPercentage" name="GrossMarginPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_ImpairmentOfSoftwareDevelopmentCostsTableTextBlock" name="ImpairmentOfSoftwareDevelopmentCostsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_IncreaseDecreaseInDeferredGrossProfit" name="IncreaseDecreaseInDeferredGrossProfit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_LIBORMember" name="LIBORMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_LeaseLeedsUnitedKingdomMember" name="LeaseLeedsUnitedKingdomMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_LeaseMilpitasCa735SycamoreDriveMember" name="LeaseMilpitasCa735SycamoreDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_LeaseMountainViewCa590MiddlefieldRoadMember" name="LeaseMountainViewCa590MiddlefieldRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_LeaseStPetersburgFl2003GaudyBldvdNorthMember" name="LeaseStPetersburgFl2003GaudyBldvdNorthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_LeaseTransfersInEndingAccountsReceivable" name="LeaseTransfersInEndingAccountsReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="omcl_LongTermDeferredServiceRevenue" name="LongTermDeferredServiceRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="omcl_MedicationPackagingSystemsMember" name="MedicationPackagingSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_MoneyMarketFundDailyTradedValue" name="MoneyMarketFundDailyTradedValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_MtsMedicationTechnologiesMember" name="MtsMedicationTechnologiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_NetInvestmentInSalesTypeLeasesAbstract" name="NetInvestmentInSalesTypeLeasesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_NetInvestmentInSalesTypeLeasesDisclosure" name="NetInvestmentInSalesTypeLeasesDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_NetInvestmentsInSalesTypeLeasesTextBlock" name="NetInvestmentsInSalesTypeLeasesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_NonAcuteCareSolutionsMember" name="NonAcuteCareSolutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_OperatingMarginPercentage" name="OperatingMarginPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PaymentsOfSoftwareDevelopmentForExternalUse" name="PaymentsOfSoftwareDevelopmentForExternalUse" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_PercentilePlacementOfShareholderReturnAxis" name="PercentilePlacementOfShareholderReturnAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PercentileRankingOf2011ShareholderReturn" name="PercentileRankingOf2011ShareholderReturn" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_PotentialIncreaseinAggregateCommitmentsMember" name="PotentialIncreaseinAggregateCommitmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_ProductSalesDeliveredAndInvoicedNotInstalled" name="ProductSalesDeliveredAndInvoicedNotInstalled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="omcl_PropertySubjectToLease1StExtensionTermDuration" name="PropertySubjectToLease1StExtensionTermDuration" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PropertySubjectToLeaseOriginalTerm" name="PropertySubjectToLeaseOriginalTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PropertySubjectToOperatingLease2NdExtensionTermDuration" name="PropertySubjectToOperatingLease2NdExtensionTermDuration" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PropertySubjectToOperatingLeaseNetRentableArea" name="PropertySubjectToOperatingLeaseNetRentableArea" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PropertySubjectToOperatingLeaseTermDuration" name="PropertySubjectToOperatingLeaseTermDuration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PsuEligibleVestingVsTotalShareholderReturnPlacementFirstYearTableTextBlock" name="PsuEligibleVestingVsTotalShareholderReturnPlacementFirstYearTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PsuEligibleVestingVsTotalShareholderReturnSecondYearTableTextBlock" name="PsuEligibleVestingVsTotalShareholderReturnSecondYearTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PsuPercentageEligibleForTimeBasedVesting" name="PsuPercentageEligibleForTimeBasedVesting" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PsuPercentageEligibleForVestingBasedOnActualReturn" name="PsuPercentageEligibleForVestingBasedOnActualReturn" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_PsuPercentilePlacementOfRetrunDomain" name="PsuPercentilePlacementOfRetrunDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_PsuProgramYearAxis" name="PsuProgramYearAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_PsuProgramYearDomainDomain" name="PsuProgramYearDomainDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_PsuProgramYearOneMember" name="PsuProgramYearOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_PsuProgramYearTwoMember" name="PsuProgramYearTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PsuSharesEligibleForVestingBasedOnActualShareholderReturn" name="PsuSharesEligibleForVestingBasedOnActualShareholderReturn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_PurchasesFromSignificantSupplier" name="PurchasesFromSignificantSupplier" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="omcl_RebatesAndLeaseBuyouts" name="RebatesAndLeaseBuyouts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="omcl_SalesTypeLeaseInvestmentTableTextBlock" name="SalesTypeLeaseInvestmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_SegmentsAbstract" name="SegmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_ShareBasedCompEsppAbstract" name="ShareBasedCompEsppAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_ShareBasedCompensationArrangementByShareBasedPaymentAwardFirstYearShareVestingRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFirstYearShareVestingRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfMonthlyVestingInstallmentsAfterInitialCliff" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfMonthlyVestingInstallmentsAfterInitialCliff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesEligibleForVesting" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesEligibleForVesting" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="omcl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesNotAvailableForGrantForEachShareGranted" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesNotAvailableForGrantForEachShareGranted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant" />
  <xsd:element id="omcl_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentVestedInFirstYear" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentVestedInFirstYear" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_ShareBasedCompensationPsuPerformanceToVestingTablesAbstract" name="ShareBasedCompensationPsuPerformanceToVestingTablesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_SharesRepurchasedToDate" name="SharesRepurchasedToDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_StockOptionPlanYtdRollforwardAbstract" name="StockOptionPlanYtdRollforwardAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_StockOptionPlansAndShareBasedCompensationAbstract" name="StockOptionPlansAndShareBasedCompensationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_StockOptionPlansPsusAbstract" name="StockOptionPlansPsusAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_StockOptionPlansRestrictedStockAwardsAndRsusAbstract" name="StockOptionPlansRestrictedStockAwardsAndRsusAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_SubsequentEventsBuybacksAbstract" name="SubsequentEventsBuybacksAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="omcl_Technologylicensepurchaseobigationcurrent" name="Technologylicensepurchaseobigationcurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="omcl_ThirdPartyLeaseTransfersLineItems" name="ThirdPartyLeaseTransfersLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_ThirdPartyLeaseTransfersTable" name="ThirdPartyLeaseTransfersTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_TransactionCostsAbstract" name="TransactionCostsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="omcl_VestedPerformanceSharesDomain" name="VestedPerformanceSharesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>