<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Fujitsu XWand B0150 -->
<schema targetNamespace="http://www.rocksp.com/20110331" elementFormDefault="qualified" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:roc="http://www.rocksp.com/20110331" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:us-gaap-att="http://xbrl.us/us-gaap/attributes" xmlns:us-gaap="http://xbrl.us/us-gaap/2009-01-31" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:us-types="http://xbrl.us/us-types/2009-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:us-roles="http://xbrl.us/us-roles/2009-01-31" xmlns:xlink="http://www.w3.org/1999/xlink">
  <annotation>
    <appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="roc-20110331_pre.xml" xlink:title="Presentation Links, all" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="roc-20110331_cal.xml" xlink:title="Calculation Links, all" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="roc-20110331_def.xml" xlink:title="Definition Links, all" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="roc-20110331_lab.xml" xlink:title="Label Links, all" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:roleType roleURI="http://www.rocksp.com/role/StatementOfIncome" id="StatementOfIncome">
        <link:definition>0010 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/BalanceSheet" id="BalanceSheet">
        <link:definition>0020 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/CashFlows" id="CashFlows">
        <link:definition>0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/StatementOfStockholdersEquity" id="StatementOfStockholdersEquity">
        <link:definition>0040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" id="DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies">
        <link:definition>1010 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>9999 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/BalanceSheetParenthetical" id="BalanceSheetParenthetical">
        <link:definition>0025 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/StatementOfIncomeCalc1" id="StatementOfIncomeCalc1">
        <link:definition>0011 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS CALC 1</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureDiscontinuedOperations" id="DisclosureDiscontinuedOperations">
        <link:definition>1030 - Disclosure - DISCONTINUED OPERATIONS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureSegmentInformation" id="DisclosureSegmentInformation">
        <link:definition>1040 - Disclosure - SEGMENT INFORMATION:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureDerivatives" id="DisclosureDerivatives">
        <link:definition>1060 - Disclosure - DERIVATIVES:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureFairValueMeasurements" id="DisclosureFairValueMeasurements">
        <link:definition>1070 - Disclosure - FAIR VALUE MEASUREMENTS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureAcquisitions" id="DisclosureAcquisitions">
        <link:definition>8010 - Disclosure - ACQUISITIONS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureInventories" id="DisclosureInventories">
        <link:definition>1080 - Disclosure - INVENTORIES:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureGoodwill" id="DisclosureGoodwill">
        <link:definition>1090 - Disclosure - GOODWILL:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureOtherIntangibleAssetsNet" id="DisclosureOtherIntangibleAssetsNet">
        <link:definition>1100 - Disclosure - OTHER INTANGIBLE ASSETS, NET:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureLongTermDebt" id="DisclosureLongTermDebt">
        <link:definition>1110 - Disclosure - LONG-TERM DEBT:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureIncomeTaxes" id="DisclosureIncomeTaxes">
        <link:definition>1120 - Disclosure - INCOME TAXES:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureEmployeeBenefitPlans" id="DisclosureEmployeeBenefitPlans">
        <link:definition>1130 - Disclosure - EMPLOYEE BENEFIT PLANS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureEarningsPerCommonShare" id="DisclosureEarningsPerCommonShare">
        <link:definition>1140 - Disclosure - EARNINGS PER COMMON SHARE:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureRestructuringAndOtherSeveranceCosts" id="DisclosureRestructuringAndOtherSeveranceCosts">
        <link:definition>1150 - Disclosure - RESTRUCTURING AND OTHER SEVERANCE COSTS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureCommitmentsAndContingencies" id="DisclosureCommitmentsAndContingencies">
        <link:definition>1160 - Disclosure - COMMITMENTS AND CONTINGENCIES:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureComprehensiveIncome" id="DisclosureComprehensiveIncome">
        <link:definition>1020 - Disclosure - COMPREHENSIVE INCOME:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/StatementOfIncomeCalc2" id="StatementOfIncomeCalc2">
        <link:definition>0012 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS CALC 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureVariableInterestEntities" id="DisclosureVariableInterestEntities">
        <link:definition>1050 - Disclosure - VARIABLE INTEREST ENTITIES:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureSubsequentEvents" id="DisclosureSubsequentEvents">
        <link:definition>8060 - Disclosure - SUBSEQUENT EVENTS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/StatementOfStockholdersEquityCalc2" id="StatementOfStockholdersEquityCalc2">
        <link:definition>0041 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY CALC 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureWarrants" id="DisclosureWarrants">
        <link:definition>8050 - Disclosure - WARRANTS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureStockBasedCompensation" id="DisclosureStockBasedCompensation">
        <link:definition>8040 - Disclosure - STOCK-BASED COMPENSATION:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureOperatingLeaseObligations" id="DisclosureOperatingLeaseObligations">
        <link:definition>8030 - Disclosure - OPERATING LEASE OBLIGATIONS:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosurePropertyPlantAndEquipment" id="DisclosurePropertyPlantAndEquipment">
        <link:definition>8020 - Disclosure - PROPERTY, PLANT AND EQUIPMENT:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/CashFlowsParenthetical" id="CashFlowsParenthetical">
        <link:definition>8035 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/StatementOfIncomeParenthetical" id="StatementOfIncomeParenthetical">
        <link:definition>8000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rocksp.com/role/DisclosureCondensedFinancialInformationOfRegistrant" id="DisclosureCondensedFinancialInformationOfRegistrant">
        <link:definition>8070 - Disclosure - SCHEDULE I-CONDENSED FINANCIAL INFORMATION OF REGISTRANT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </appinfo>
  </annotation>
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <import namespace="http://xbrl.us/us-roles/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-roles-2009-01-31.xsd"/>
  <import namespace="http://xbrl.us/us-types/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-types-2009-01-31.xsd"/>
  <import namespace="http://xbrl.us/dei/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd"/>
  <import namespace="http://xbrl.us/us-gaap/negated/2008-03-31" schemaLocation="http://www.xbrl.org/lrr/role/negated-2008-03-31.xsd"/>
  <import namespace="http://xbrl.us/us-gaap/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd"/>
  <element name="DocumentAndEntityInformationAbstract" id="roc_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ComprehensiveIncomeDisclosureAbstract" id="roc_ComprehensiveIncomeDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="VariableInterestEntitiesDisclosureAbrstract" id="roc_VariableInterestEntitiesDisclosureAbrstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="WarrantsDisclosureAbstract" id="roc_WarrantsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="WarrantsDisclosureTextBlock" id="roc_WarrantsDisclosureTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="StockBasedCompensationDisclosureAbstract" id="roc_StockBasedCompensationDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DiscontinuedOperationsDisclosureAbstract" id="roc_DiscontinuedOperationsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PropertyPlantAndEquipmentDisclosureAbstract" id="roc_PropertyPlantAndEquipmentDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="OperatingLeaseObligationsDisclosureAbstract" id="roc_OperatingLeaseObligationsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SegmentInformationDisclosureAbstract" id="roc_SegmentInformationDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DerivativesDisclosureAbstract" id="roc_DerivativesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FairValueMeasurementsDisclosureAbstract" id="roc_FairValueMeasurementsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="AcquisitionsDisclosureAbstract" id="roc_AcquisitionsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="InventoriesDisclosureAbstract" id="roc_InventoriesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="GoodwillDisclosureAbstract" id="roc_GoodwillDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SubsequentEventsDisclosureAbstract" id="roc_SubsequentEventsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="OtherIntangibleAssetsDisclosureAbstract" id="roc_OtherIntangibleAssetsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="LongTermDebtDisclosureAbstract" id="roc_LongTermDebtDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="IncomeTaxesDisclosureAbstract" id="roc_IncomeTaxesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="EmployeeBenefitPlansDisclosureAbstract" id="roc_EmployeeBenefitPlansDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="EarningsPerCommonShareDisclosureAbstract" id="roc_EarningsPerCommonShareDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RestructuringAndOtherSeveranceCostsDisclosureAbstract" id="roc_RestructuringAndOtherSeveranceCostsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="CommitmentsAndContingenciesDisclosureAbstract" id="roc_CommitmentsAndContingenciesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="AdjustmentFairValueAssetsContributedNoncontrollingInterest" id="roc_AdjustmentFairValueAssetsContributedNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="FeesPaidRelatedToEarlyExtinguishmentOfDebt" id="roc_FeesPaidRelatedToEarlyExtinguishmentOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="PaymentsOfContractualAdvanceToNoncontrollingInterest" id="roc_PaymentsOfContractualAdvanceToNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="LiabilitiesEarlyExtinguishmentOfDebt" id="roc_LiabilitiesEarlyExtinguishmentOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="LiabilitiesCapitalExpenditures" id="roc_LiabilitiesCapitalExpenditures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="NetLossGainOnSaleOfAssets" id="roc_NetLossGainOnSaleOfAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="RestructuringAndOtherCashFlow" id="roc_RestructuringAndOtherCashFlow" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="GainLossOnDispositionOfAssetsAndOtherOperatingIncomeExpenseNet" id="roc_GainLossOnDispositionOfAssetsAndOtherOperatingIncomeExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="LossesGainsOnSalesOfAssetsAndAssetImpairmentCharges" id="roc_LossesGainsOnSalesOfAssetsAndAssetImpairmentCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="InterestExpenseNet" id="roc_InterestExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="PensionAndOtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" id="roc_PensionAndOtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="GainLossOnExtinguishmentOfDebt" id="roc_GainLossOnExtinguishmentOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="IncomeLossFromContinuingOperationsBeforeTaxes" id="roc_IncomeLossFromContinuingOperationsBeforeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="EarlyRepaymentOfSeniorSecuredDebt" id="roc_EarlyRepaymentOfSeniorSecuredDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="PrepaidExpenseAndOtherCurrentAssets" id="roc_PrepaidExpenseAndOtherCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="LoanFromNoncontrollingShareholder" id="roc_LoanFromNoncontrollingShareholder" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="LossIncomeFromContinuingOperations" id="roc_LossIncomeFromContinuingOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="InterestExpenseOnDebt" id="roc_InterestExpenseOnDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="BusinessDescriptionAndAccountingPoliciesTextBlock" id="roc_BusinessDescriptionAndAccountingPoliciesTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDisclosureAbstract" id="roc_DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="InventoryNoteTextBlock" id="roc_InventoryNoteTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="RestructuringCharge" id="roc_RestructuringCharge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="RestructuringActivitiesDisclosureTextBlock" id="roc_RestructuringActivitiesDisclosureTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PaymentForCrossCurrencySwapSettlement" id="roc_PaymentForCrossCurrencySwapSettlement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="ProceedsFromFormationOfJointVentureNet" id="roc_ProceedsFromFormationOfJointVentureNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="RepaymentOf2011Notes" id="roc_RepaymentOf2011Notes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="NoncashProceedsFromVentureFormationNet" id="roc_NoncashProceedsFromVentureFormationNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="NetSaleProceedsFromDiscontinuedOperations" id="roc_NetSaleProceedsFromDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="CondensedFinancialInformationOfRegistrantDisclosureAbstract" id="roc_CondensedFinancialInformationOfRegistrantDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RefinancingExpenses" id="roc_RefinancingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="AcquisitionOfNoncontrollingInterestsInSubsidiaries" id="roc_AcquisitionOfNoncontrollingInterestsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="OtherComprehensiveIncomeIntercompanyForeignCurrencyLoansBeforeTax" id="roc_OtherComprehensiveIncomeIntercompanyForeignCurrencyLoansBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="OtherComprehensiveIncomeNetInvestmentHedgesNetOfTax" id="roc_OtherComprehensiveIncomeNetInvestmentHedgesNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="ReversalOfValuationAllowance" id="roc_ReversalOfValuationAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="ProceedsFromVentureFinancing" id="roc_ProceedsFromVentureFinancing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="DiscountOnPrepaymentOfDebt" id="roc_DiscountOnPrepaymentOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="IncomeLossFromDiscontinuedOperationsNetOfTaxes" id="roc_IncomeLossFromDiscontinuedOperationsNetOfTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="CashAndCashEquivalentsPeriodIncreaseDecreaseContiningOperations" id="roc_CashAndCashEquivalentsPeriodIncreaseDecreaseContiningOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="InterCompanyTransfersExcludingDiscontinuedOperations" id="roc_InterCompanyTransfersExcludingDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="AdjustmentsToDiscontinuedOperations" id="roc_AdjustmentsToDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="CashAndCashEquivalentsDiscOpsPeriodIncreaseDecrease" id="roc_CashAndCashEquivalentsDiscOpsPeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="PaymentOfAssumedDebt" id="roc_PaymentOfAssumedDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="OtherAssetImpairmentChargesAndOtherIncomeExpense" id="roc_OtherAssetImpairmentChargesAndOtherIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="RepaymentsOfLoanFromNoncontrollingShareholder" id="roc_RepaymentsOfLoanFromNoncontrollingShareholder" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
</schema>

