<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.oildri.com/role/CommitmentsAndContingenciesLevel1Notes" xlink:href="odc-20120731.xsd#CommitmentsAndContingenciesLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/ConsolidatedBalanceSheets" xlink:href="odc-20120731.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="odc-20120731.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="odc-20120731.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/ConsolidatedStatementsOfOperations" xlink:href="odc-20120731.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/ConsolidatedStatementsOfStockholdersEquityAndOtherComprehensiveIncomeStatement" xlink:href="odc-20120731.xsd#ConsolidatedStatementsOfStockholdersEquityAndOtherComprehensiveIncomeStatement" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/DeferredCompensationDetails" xlink:href="odc-20120731.xsd#DeferredCompensationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/DeferredCompensationLevel1Notes" xlink:href="odc-20120731.xsd#DeferredCompensationLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/DocumentAndEntityInformation" xlink:href="odc-20120731.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/FinancialInstrumentsDetails" xlink:href="odc-20120731.xsd#FinancialInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/FinancialInstrumentsLevel1Notes" xlink:href="odc-20120731.xsd#FinancialInstrumentsLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/FinancialInstrumentsNarrativeDetails" xlink:href="odc-20120731.xsd#FinancialInstrumentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/FinancialInstrumentsTables" xlink:href="odc-20120731.xsd#FinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="odc-20120731.xsd#IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/IncomeTaxesIncomeTaxEffectiveRateReconciliationDetails" xlink:href="odc-20120731.xsd#IncomeTaxesIncomeTaxEffectiveRateReconciliationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/IncomeTaxesIncomeTaxProvisionDetails" xlink:href="odc-20120731.xsd#IncomeTaxesIncomeTaxProvisionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/IncomeTaxesLevel1Notes" xlink:href="odc-20120731.xsd#IncomeTaxesLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/IncomeTaxesNarrativeDetails" xlink:href="odc-20120731.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/IncomeTaxesTables" xlink:href="odc-20120731.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:href="odc-20120731.xsd#IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/LeasesDetails" xlink:href="odc-20120731.xsd#LeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/LeasesLevel1Notes" xlink:href="odc-20120731.xsd#LeasesLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/LeasesRentalExpenseForAllOperatingLeasesDetails" xlink:href="odc-20120731.xsd#LeasesRentalExpenseForAllOperatingLeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/LeasesTables" xlink:href="odc-20120731.xsd#LeasesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/NotesPayableLevel1Notes" xlink:href="odc-20120731.xsd#NotesPayableLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/NotesPayableMaturitiesOfNotesPayableDetails" xlink:href="odc-20120731.xsd#NotesPayableMaturitiesOfNotesPayableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/NotesPayableNotesPayableDetails" xlink:href="odc-20120731.xsd#NotesPayableNotesPayableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/NotesPayableNotesPayableNarrativeDetails" xlink:href="odc-20120731.xsd#NotesPayableNotesPayableNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/NotesPayableTables" xlink:href="odc-20120731.xsd#NotesPayableTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OperatingSegmentsDetails" xlink:href="odc-20120731.xsd#OperatingSegmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OperatingSegmentsFinancialInformationByGeographicRegionDetails" xlink:href="odc-20120731.xsd#OperatingSegmentsFinancialInformationByGeographicRegionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OperatingSegmentsLargestCustomerDetails" xlink:href="odc-20120731.xsd#OperatingSegmentsLargestCustomerDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OperatingSegmentsLevel1Notes" xlink:href="odc-20120731.xsd#OperatingSegmentsLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OperatingSegmentsTables" xlink:href="odc-20120731.xsd#OperatingSegmentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OtherCashFlowInformationDetails" xlink:href="odc-20120731.xsd#OtherCashFlowInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OtherCashFlowInformationLevel1Notes" xlink:href="odc-20120731.xsd#OtherCashFlowInformationLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/OtherCashFlowInformationTables" xlink:href="odc-20120731.xsd#OtherCashFlowInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAmountsRecognizedInConsolidatedBalanceSheetDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsAmountsRecognizedInConsolidatedBalanceSheetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAmountsRecognizedInOtherComprehensiveIncomeDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsAmountsRecognizedInOtherComprehensiveIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAmountsToBeRecognizedInOtherComprehensiveIncomeInNextFiscalYearDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsAmountsToBeRecognizedInOtherComprehensiveIncomeInNextFiscalYearDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAssumptionsUsedInCalculationsDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsAssumptionsUsedInCalculationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsChangeInBenefitObligationAndPlanAssetsFundedStatusDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsChangeInBenefitObligationAndPlanAssetsFundedStatusDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsComponentsOfNetPeriodicBenefitCostDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsComponentsOfNetPeriodicBenefitCostDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsEffectOfOnePercentagePointChangeInAssumedHealthcareTrendDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsEffectOfOnePercentagePointChangeInAssumedHealthcareTrendDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsEstimatedFutureBenefitPaymentsDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsEstimatedFutureBenefitPaymentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsFairValueLevelOfPensionPlanAssetsDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsFairValueLevelOfPensionPlanAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsLevel1Notes" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsNarrativeDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsPlanAssetsAllocationPercentagesDetails" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsPlanAssetsAllocationPercentagesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsTables" xlink:href="odc-20120731.xsd#PensionAndOtherPostretirementBenefitsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SelectedQuarterlyFinancialDataUnauditedDetails" xlink:href="odc-20120731.xsd#SelectedQuarterlyFinancialDataUnauditedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SelectedQuarterlyFinancialDataUnauditedLevel1Notes" xlink:href="odc-20120731.xsd#SelectedQuarterlyFinancialDataUnauditedLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SelectedQuarterlyFinancialDataUnauditedTables" xlink:href="odc-20120731.xsd#SelectedQuarterlyFinancialDataUnauditedTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SpecialCharges" xlink:href="odc-20120731.xsd#SpecialCharges" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SpecialChargesDetails" xlink:href="odc-20120731.xsd#SpecialChargesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SpecialChargesNarrativeDetails" xlink:href="odc-20120731.xsd#SpecialChargesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SpecialChargesTables" xlink:href="odc-20120731.xsd#SpecialChargesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockBasedCompensationNarrativeDetails" xlink:href="odc-20120731.xsd#StockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockBasedCompensationNotes" xlink:href="odc-20120731.xsd#StockBasedCompensationNotes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockBasedCompensationSummaryOfOptionActivityDetails" xlink:href="odc-20120731.xsd#StockBasedCompensationSummaryOfOptionActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockBasedCompensationSummaryOfRestrictedStockActivityDetails" xlink:href="odc-20120731.xsd#StockBasedCompensationSummaryOfRestrictedStockActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockBasedCompensationSummaryRelatedToOptionsOutstandingAndExercisableDetails" xlink:href="odc-20120731.xsd#StockBasedCompensationSummaryRelatedToOptionsOutstandingAndExercisableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockBasedCompensationTables" xlink:href="odc-20120731.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockholdersEquityDetails" xlink:href="odc-20120731.xsd#StockholdersEquityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/StockholdersEquityLevel1Notes" xlink:href="odc-20120731.xsd#StockholdersEquityLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesIntangibleAssetsAndGoodwillDetails" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesIntangibleAssetsAndGoodwillDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesInventoriesDetails" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesInventoriesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesInvestmentInShortTermSecuritiesDetails" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesInvestmentInShortTermSecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesLevel1Notes" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesLevel1Notes" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesLevel2Policies" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesLevel2Policies" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="odc-20120731.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <calculationLink xlink:role="http://www.oildri.com/role/CommitmentsAndContingenciesLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_06160e84-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_06160e84-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_f0f09754-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_f0f09754-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SeniorLongTermNotes" xlink:label="loc_us-gaap_SeniorLongTermNotes_f779ca00-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_f0f09754-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SeniorLongTermNotes_f779ca00-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_08518a52-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_f0f09754-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_08518a52-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_084e7d94-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_f0f09754-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_084e7d94-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_faebbfcc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_f0f09754-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_faebbfcc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_faeb4bdc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_faeb4bdc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_07f9742a-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_07f9742a-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedMarketingCostsCurrent" xlink:label="loc_us-gaap_AccruedMarketingCostsCurrent_0a4c59cc-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccruedMarketingCostsCurrent_0a4c59cc-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_080122b0-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_080122b0-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsPayableCurrent" xlink:label="loc_us-gaap_DividendsPayableCurrent_07fd5be4-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DividendsPayableCurrent_07fd5be4-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_07c50a3c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_07c50a3c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SeniorNotesCurrent" xlink:label="loc_us-gaap_SeniorNotesCurrent_f7797870-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SeniorNotesCurrent_f7797870-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5378c74-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5378c74-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_f8083a06-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ShortTermInvestments_f8083a06-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_e2791aa2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_e2791aa2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_e77ca6c2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_e77ca6c2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="loc_us-gaap_OtherPrepaidExpenseCurrent_f2347342-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherPrepaidExpenseCurrent_f2347342-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_f372cd62-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_f372cd62-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_Netdepreciableassets" xlink:label="loc_odc_Netdepreciableassets_6e8d2876-ae5c-11e0-bba0-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_odc_Netdepreciableassets_6e8d2876-ae5c-11e0-bba0-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_Grossdepreciableassets" xlink:label="loc_odc_Grossdepreciableassets_cac3f6a2-ae5b-11e0-bba0-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_Netdepreciableassets_6e8d2876-ae5c-11e0-bba0-12313b06a4a2" xlink:to="loc_odc_Grossdepreciableassets_cac3f6a2-ae5b-11e0-bba0-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_e4b24bd6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_Grossdepreciableassets_cac3f6a2-ae5b-11e0-bba0-12313b06a4a2" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_e4b24bd6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_fb9b2048-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_Grossdepreciableassets_cac3f6a2-ae5b-11e0-bba0-12313b06a4a2" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_fb9b2048-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOther_01c51190-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_Grossdepreciableassets_cac3f6a2-ae5b-11e0-bba0-12313b06a4a2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOther_01c51190-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_Vehicles" xlink:label="loc_odc_Vehicles_6c5f92a0-ae52-11e0-bba0-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_Grossdepreciableassets_cac3f6a2-ae5b-11e0-bba0-12313b06a4a2" xlink:to="loc_odc_Vehicles_6c5f92a0-ae52-11e0-bba0-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_e2d13566-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_Netdepreciableassets_6e8d2876-ae5c-11e0-bba0-12313b06a4a2" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_e2d13566-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_e65621ba-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ConstructionInProgressGross_e65621ba-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_eea8da10-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Land_eea8da10-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_Trademarksandpatents" xlink:label="loc_odc_Trademarksandpatents_52ed3ef0-eb90-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_odc_Trademarksandpatents_52ed3ef0-eb90-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_fada3464-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_fada3464-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_fb6cb6a4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_fb6cb6a4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ff39e37e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_f0ef9f20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_ff39e37e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_ee93e0d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_ee93e0d8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_f59e43aa-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_f59e43aa-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_f281d326-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_f281d326-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_f5a72484-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_f5a72484-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfTreasuryStock" xlink:label="loc_us-gaap_ProceedsFromSaleOfTreasuryStock_f3e902de-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromSaleOfTreasuryStock_f3e902de-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_08663b96-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_08663b96-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_f88c5ffc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_f88c5ffc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_f4a4611e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_f4a4611e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_f40b02da-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_f40b02da-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_f4ac5ba8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_f4ac5ba8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_f412cd8a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_f412cd8a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_e83f8c82-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_e83f8c82-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_e28b34da-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_e28b34da-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_eaf41c9a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ShareBasedCompensation_eaf41c9a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_feb636d2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_feb636d2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_00251cd6-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_00251cd6-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f43ffe9a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f43ffe9a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ec5e7e4a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ec5e7e4a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_f5f7b598-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RestructuringCharges_f5f7b598-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_01c8a486-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_01c8a486-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_e5ba7986-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_e5ba7986-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e5c99b5a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e5c99b5a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_ed9e60f4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="12" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_ed9e60f4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_e5df5b16-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_e5df5b16-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_e5e12d92-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="14" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_e5e12d92-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredCompensation" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCompensation_e5a9ee36-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="15" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredCompensation_e5a9ee36-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations" xlink:label="loc_us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations_04628e78-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="16" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations_04628e78-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_ff60b206-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="17" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_06e2a552-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_ff60b206-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_ea0f1514-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_ea0f1514-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_ffc350a0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_ffc350a0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_ffc350a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_ec7be2aa-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_GrossProfit_ec7be2aa-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_f67a28d4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ec7be2aa-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_f67a28d4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_e6ce98a2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ec7be2aa-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CostOfGoodsSold_e6ce98a2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_f777bd46-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_f777bd46-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_f5f7b598-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RestructuringCharges_f5f7b598-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_ffc350a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_fac497c6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InvestmentIncomeInterest_fac497c6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_ede6bde0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InterestExpenseDebt_ede6bde0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_01094b54-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_01094b54-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_f216971e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_f216971e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/ConsolidatedStatementsOfStockholdersEquityAndOtherComprehensiveIncomeStatement" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_f1c61424-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_f1c61424-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_f1e17ab6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_f1e17ab6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease_f1befcd4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease_f1befcd4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/DeferredCompensationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/DeferredCompensationLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/FinancialInstrumentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/FinancialInstrumentsLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/FinancialInstrumentsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/FinancialInstrumentsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/IncomeTaxesIncomeTaxEffectiveRateReconciliationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/IncomeTaxesIncomeTaxProvisionDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e7784a96-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e7784a96-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_e779a03a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_e779a03a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_e791e3f2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_e791e3f2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e7054d48-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e7054d48-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_e705d178-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_e705d178-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_e70f02f2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_e70f02f2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/IncomeTaxesLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/IncomeTaxesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/LeasesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/LeasesLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/LeasesRentalExpenseForAllOperatingLeasesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/LeasesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/NotesPayableLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/NotesPayableMaturitiesOfNotesPayableDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/NotesPayableNotesPayableDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/NotesPayableNotesPayableNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/NotesPayableTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OperatingSegmentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OperatingSegmentsFinancialInformationByGeographicRegionDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OperatingSegmentsLargestCustomerDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OperatingSegmentsLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OperatingSegmentsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OtherCashFlowInformationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OtherCashFlowInformationLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/OtherCashFlowInformationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAmountsRecognizedInConsolidatedBalanceSheetDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAmountsRecognizedInOtherComprehensiveIncomeDetails" xlink:type="extended">
    <loc xlink:href="odc-20120731.xsd#odc_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentAfterTax" xlink:label="loc_odc_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentAfterTax_f71a62ce-8d7e-11e1-ba93-1231380dc193" xlink:type="locator" />
    <loc xlink:href="odc-20120731.xsd#odc_DefinedbenefitplanamountsrecognizedinothercomprehensiveincomenetgainlossnetOfTax" xlink:label="loc_odc_DefinedbenefitplanamountsrecognizedinothercomprehensiveincomenetgainlossnetOfTax_7fcdaa76-8b2d-11e1-ba93-1231380dc193" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentAfterTax_f71a62ce-8d7e-11e1-ba93-1231380dc193" xlink:to="loc_odc_DefinedbenefitplanamountsrecognizedinothercomprehensiveincomenetgainlossnetOfTax_7fcdaa76-8b2d-11e1-ba93-1231380dc193" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetPriorServiceCostCreditAfterTax" xlink:label="loc_odc_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetPriorServiceCostCreditAfterTax_67acccc2-8d7d-11e1-ba93-1231380dc193" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentAfterTax_f71a62ce-8d7e-11e1-ba93-1231380dc193" xlink:to="loc_odc_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetPriorServiceCostCreditAfterTax_67acccc2-8d7d-11e1-ba93-1231380dc193" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostAfterTax" xlink:label="loc_odc_OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostAfterTax_ac466a6e-8d7d-11e1-ba93-1231380dc193" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentAfterTax_f71a62ce-8d7e-11e1-ba93-1231380dc193" xlink:to="loc_odc_OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostAfterTax_ac466a6e-8d7d-11e1-ba93-1231380dc193" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossAfterTax" xlink:label="loc_odc_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossAfterTax_e9013182-8d7d-11e1-ba93-1231380dc193" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_odc_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentAfterTax_f71a62ce-8d7e-11e1-ba93-1231380dc193" xlink:to="loc_odc_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossAfterTax_e9013182-8d7d-11e1-ba93-1231380dc193" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAmountsToBeRecognizedInOtherComprehensiveIncomeInNextFiscalYearDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear_fd107586-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfNetGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfNetGainsLosses_f29a3d6c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear_fd107586-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfNetGainsLosses_f29a3d6c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit_f29b342e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear_fd107586-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit_f29b342e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfNetTransitionAssetObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfNetTransitionAssetObligation_f29bb156-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear_fd107586-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfNetTransitionAssetObligation_f29bb156-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsAssumptionsUsedInCalculationsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsChangeInBenefitObligationAndPlanAssetsFundedStatusDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_f2c0851c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_f2ef287c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_f2c0851c-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_f2ef287c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_f2bec420-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_f2c0851c-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_f2bec420-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsComponentsOfNetPeriodicBenefitCostDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f2c601c2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_f2d12192-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f2c601c2-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_f2d12192-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_f2c232a4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f2c601c2-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_f2c232a4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_f2bda75c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f2c601c2-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_f2bda75c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets_f29f0720-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f2c601c2-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets_f29f0720-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_f29abec2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f2c601c2-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_f29abec2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_f299c2ce-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f2c601c2-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_f299c2ce-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsEffectOfOnePercentagePointChangeInAssumedHealthcareTrendDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsEstimatedFutureBenefitPaymentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsFairValueLevelOfPensionPlanAssetsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsPlanAssetsAllocationPercentagesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/PensionAndOtherPostretirementBenefitsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SelectedQuarterlyFinancialDataUnauditedDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SelectedQuarterlyFinancialDataUnauditedLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SelectedQuarterlyFinancialDataUnauditedTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SpecialCharges" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SpecialChargesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SpecialChargesNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SpecialChargesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockBasedCompensationNotes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockBasedCompensationSummaryOfOptionActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockBasedCompensationSummaryOfRestrictedStockActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockBasedCompensationSummaryRelatedToOptionsOutstandingAndExercisableDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockholdersEquityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/StockholdersEquityLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesIntangibleAssetsAndGoodwillDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesInventoriesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="loc_us-gaap_InventoryFinishedGoods_ee7d60d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InventoryFinishedGoods_ee7d60d8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="odc-20120731.xsd#odc_PackagingInventory" xlink:label="loc_odc_PackagingInventory_9bbd6844-d807-11e1-9a29-22000a1cf22c" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_odc_PackagingInventory_9bbd6844-d807-11e1-9a29-22000a1cf22c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherInventory" xlink:label="loc_us-gaap_OtherInventory_f2023756-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherInventory_f2023756-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesInvestmentInShortTermSecuritiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesLevel1Notes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesLevel2Policies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oildri.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
</linkbase>
</XBRL>
