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  <element id="roc_InterestExpenseNet" name="InterestExpenseNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_PensionAndOtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" name="PensionAndOtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <element id="roc_GainLossOnExtinguishmentOfDebt" name="GainLossOnExtinguishmentOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_IncomeLossFromContinuingOperationsBeforeTaxes" name="IncomeLossFromContinuingOperationsBeforeTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_EarlyRepaymentOfSeniorSecuredDebt" name="EarlyRepaymentOfSeniorSecuredDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_PrepaidExpenseAndOtherCurrentAssets" name="PrepaidExpenseAndOtherCurrentAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <element id="roc_LoanFromNoncontrollingShareholder" name="LoanFromNoncontrollingShareholder" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_LossIncomeFromContinuingOperations" name="LossIncomeFromContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_InterestExpenseOnDebt" name="InterestExpenseOnDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_CashInterestPaid" name="CashInterestPaid" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_BusinessDescriptionAndAccountingPoliciesTextBlock" name="BusinessDescriptionAndAccountingPoliciesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <element abstract="true" id="roc_DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDisclosureAbstract" name="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <element id="roc_InventoryNoteTextBlock" name="InventoryNoteTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <element id="roc_RestructuringCharge" name="RestructuringCharge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_RestructuringActivitiesDisclosureTextBlock" name="RestructuringActivitiesDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <element id="roc_PaymentForCrossCurrencySwapSettlement" name="PaymentForCrossCurrencySwapSettlement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_ProceedsFromFormationOfJointVentureNet" name="ProceedsFromFormationOfJointVentureNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_RepaymentOf2011Notes" name="RepaymentOf2011Notes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_NoncashProceedsFromVentureFormationNet" name="NoncashProceedsFromVentureFormationNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_NetSaleProceedsFromDiscontinuedOperations" name="NetSaleProceedsFromDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element abstract="true" id="roc_CondensedFinancialInformationOfRegistrantDisclosureAbstract" name="CondensedFinancialInformationOfRegistrantDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <element id="roc_RefinancingExpenses" name="RefinancingExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_AcquisitionOfNoncontrollingInterestsInSubsidiaries" name="AcquisitionOfNoncontrollingInterestsInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_OtherComprehensiveIncomeIntercompanyForeignCurrencyLoansBeforeTax" name="OtherComprehensiveIncomeIntercompanyForeignCurrencyLoansBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_OtherComprehensiveIncomeNetInvestmentHedgesNetOfTax" name="OtherComprehensiveIncomeNetInvestmentHedgesNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_ReversalOfValuationAllowance" name="ReversalOfValuationAllowance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_ProceedsFromVentureFinancing" name="ProceedsFromVentureFinancing" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_DiscountOnPrepaymentOfDebt" name="DiscountOnPrepaymentOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_IncomeLossFromDiscontinuedOperationsNetOfTaxes" name="IncomeLossFromDiscontinuedOperationsNetOfTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="roc_CashAndCashEquivalentsPeriodIncreaseDecreaseContiningOperations" name="CashAndCashEquivalentsPeriodIncreaseDecreaseContiningOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <element id="roc_InterCompanyTransfersExcludingDiscontinuedOperations" name="InterCompanyTransfersExcludingDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_AdjustmentsToDiscontinuedOperations" name="AdjustmentsToDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_CashAndCashEquivalentsDiscOpsPeriodIncreaseDecrease" name="CashAndCashEquivalentsDiscOpsPeriodIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_PaymentOfAssumedDebt" name="PaymentOfAssumedDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="roc_OtherAssetImpairmentChargesAndOtherIncomeExpense" name="OtherAssetImpairmentChargesAndOtherIncomeExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</schema>
