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    <link:label id="lab_us-gaap_LeaseAndRentalExpense_AE6C1BD27EE9BA36DCBF1E5948181318_label_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_AE6C1BD27EE9BA36DCBF1E5948181318" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Rent Expense</link:label>
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    <link:label id="lab_cah_InitialtermofPharmaceuticalSourcingVenture_06D2DF896D17F54A42C11E5948188DCE_terseLabel_en-US" xlink:label="lab_cah_InitialtermofPharmaceuticalSourcingVenture_06D2DF896D17F54A42C11E5948188DCE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial term of Pharmaceutical Sourcing Venture</link:label>
    <link:label id="lab_cah_InitialtermofPharmaceuticalSourcingVenture_06D2DF896D17F54A42C11E5948188DCE_label_en-US" xlink:label="lab_cah_InitialtermofPharmaceuticalSourcingVenture_06D2DF896D17F54A42C11E5948188DCE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Initial term of Pharmaceutical Sourcing Venture</link:label>
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    <link:label id="lab_cah_NumberOfQuarterlyPayments_D56168B9457819DF0FA91E5948188040_terseLabel_en-US" xlink:label="lab_cah_NumberOfQuarterlyPayments_D56168B9457819DF0FA91E5948188040" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of quarterly payments</link:label>
    <link:label id="lab_cah_NumberOfQuarterlyPayments_D56168B9457819DF0FA91E5948188040_label_en-US" xlink:label="lab_cah_NumberOfQuarterlyPayments_D56168B9457819DF0FA91E5948188040" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Quarterly Payments</link:label>
    <link:label id="lab_cah_NumberOfQuarterlyPayments_D56168B9457819DF0FA91E5948188040_documentation_en-US" xlink:label="lab_cah_NumberOfQuarterlyPayments_D56168B9457819DF0FA91E5948188040" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Quarterly Payments related to pharmaceutical sourcing venture.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_NumberOfQuarterlyPayments" xlink:label="loc_cah_NumberOfQuarterlyPayments_D56168B9457819DF0FA91E5948188040" xlink:type="locator" />
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    <link:label id="lab_cah_QuarterlyPayments_8B195808091EA0C2475B1E594818885E_terseLabel_en-US" xlink:label="lab_cah_QuarterlyPayments_8B195808091EA0C2475B1E594818885E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quarterly payment</link:label>
    <link:label id="lab_cah_QuarterlyPayments_8B195808091EA0C2475B1E594818885E_label_en-US" xlink:label="lab_cah_QuarterlyPayments_8B195808091EA0C2475B1E594818885E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quarterly Payments</link:label>
    <link:label id="lab_cah_QuarterlyPayments_8B195808091EA0C2475B1E594818885E_documentation_en-US" xlink:label="lab_cah_QuarterlyPayments_8B195808091EA0C2475B1E594818885E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quarterly payment that we are required to pay related to the pharmaceutical sourcing venture.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_QuarterlyPayments" xlink:label="loc_cah_QuarterlyPayments_8B195808091EA0C2475B1E594818885E" xlink:type="locator" />
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    <link:label id="lab_cah_IncreaseinQuarterlyPayments_5EDFC671A43C384D66111E594818F05D_terseLabel_en-US" xlink:label="lab_cah_IncreaseinQuarterlyPayments_5EDFC671A43C384D66111E594818F05D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in quarterly payments</link:label>
    <link:label id="lab_cah_IncreaseinQuarterlyPayments_5EDFC671A43C384D66111E594818F05D_label_en-US" xlink:label="lab_cah_IncreaseinQuarterlyPayments_5EDFC671A43C384D66111E594818F05D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase in Quarterly Payments</link:label>
    <link:label id="lab_cah_IncreaseinQuarterlyPayments_5EDFC671A43C384D66111E594818F05D_documentation_en-US" xlink:label="lab_cah_IncreaseinQuarterlyPayments_5EDFC671A43C384D66111E594818F05D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in Quarterly Payments for pharmaceutical sourcing venture due to the achievement of a milestone.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_IncreaseinQuarterlyPayments" xlink:label="loc_cah_IncreaseinQuarterlyPayments_5EDFC671A43C384D66111E594818F05D" xlink:type="locator" />
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    <link:label id="lab_cah_FurtherIncreaseinQuarterlyPayments_4277FDAFD5BCB49909991E594818478A_terseLabel_en-US" xlink:label="lab_cah_FurtherIncreaseinQuarterlyPayments_4277FDAFD5BCB49909991E594818478A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Further Increase in Quarterly Payments</link:label>
    <link:label id="lab_cah_FurtherIncreaseinQuarterlyPayments_4277FDAFD5BCB49909991E594818478A_label_en-US" xlink:label="lab_cah_FurtherIncreaseinQuarterlyPayments_4277FDAFD5BCB49909991E594818478A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Further Increase in Quarterly Payments</link:label>
    <link:label id="lab_cah_FurtherIncreaseinQuarterlyPayments_4277FDAFD5BCB49909991E594818478A_documentation_en-US" xlink:label="lab_cah_FurtherIncreaseinQuarterlyPayments_4277FDAFD5BCB49909991E594818478A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Further Increase in Quarterly Payments for pharmaceutical sourcing venture if certain milestones are achieved.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_FurtherIncreaseinQuarterlyPayments" xlink:label="loc_cah_FurtherIncreaseinQuarterlyPayments_4277FDAFD5BCB49909991E594818478A" xlink:type="locator" />
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    <link:label id="lab_cah_MaximumQuarterlyPayment_F61B4EECFA0D8338F73A1E5948189192_terseLabel_en-US" xlink:label="lab_cah_MaximumQuarterlyPayment_F61B4EECFA0D8338F73A1E5948189192" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum Quarterly Payment</link:label>
    <link:label id="lab_cah_MaximumQuarterlyPayment_F61B4EECFA0D8338F73A1E5948189192_label_en-US" xlink:label="lab_cah_MaximumQuarterlyPayment_F61B4EECFA0D8338F73A1E5948189192" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Quarterly Payment</link:label>
    <link:label id="lab_cah_MaximumQuarterlyPayment_F61B4EECFA0D8338F73A1E5948189192_documentation_en-US" xlink:label="lab_cah_MaximumQuarterlyPayment_F61B4EECFA0D8338F73A1E5948189192" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Quarterly Payment for pharmaceutical sourcing venture if certain milestones are achieved.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_MaximumQuarterlyPayment" xlink:label="loc_cah_MaximumQuarterlyPayment_F61B4EECFA0D8338F73A1E5948189192" xlink:type="locator" />
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    <link:label id="lab_cah_BindingOfferPaymenttoAcquireBusiness_74E1BFF7BCBAFA3C93D11E5948187BE7_verboseLabel_en-US" xlink:label="lab_cah_BindingOfferPaymenttoAcquireBusiness_74E1BFF7BCBAFA3C93D11E5948187BE7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Binding offer payment to acquire business</link:label>
    <link:label id="lab_cah_BindingOfferPaymenttoAcquireBusiness_74E1BFF7BCBAFA3C93D11E5948187BE7_label_en-US" xlink:label="lab_cah_BindingOfferPaymenttoAcquireBusiness_74E1BFF7BCBAFA3C93D11E5948187BE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Binding Offer Payment to Acquire Business</link:label>
    <link:label id="lab_cah_BindingOfferPaymenttoAcquireBusiness_74E1BFF7BCBAFA3C93D11E5948187BE7_documentation_en-US" xlink:label="lab_cah_BindingOfferPaymenttoAcquireBusiness_74E1BFF7BCBAFA3C93D11E5948187BE7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow expected to be paid associated with the binding offer to acquire a business, gross.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_BindingOfferPaymenttoAcquireBusiness" xlink:label="loc_cah_BindingOfferPaymenttoAcquireBusiness_74E1BFF7BCBAFA3C93D11E5948187BE7" xlink:type="locator" />
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    <link:label id="lab_cah_PrincipalCountries_EFFE3042C9E92DAE622A1E5948197513_terseLabel_en-US" xlink:label="lab_cah_PrincipalCountries_EFFE3042C9E92DAE622A1E5948197513" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal countries</link:label>
    <link:label id="lab_cah_PrincipalCountries_EFFE3042C9E92DAE622A1E5948197513_label_en-US" xlink:label="lab_cah_PrincipalCountries_EFFE3042C9E92DAE622A1E5948197513" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Principal Countries</link:label>
    <link:label id="lab_cah_PrincipalCountries_EFFE3042C9E92DAE622A1E5948197513_documentation_en-US" xlink:label="lab_cah_PrincipalCountries_EFFE3042C9E92DAE622A1E5948197513" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of principal countries in which we expect to close the acquisition during the second quarter of fiscal 2016.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_PrincipalCountries" xlink:label="loc_cah_PrincipalCountries_EFFE3042C9E92DAE622A1E5948197513" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromLegalSettlements_598F3048726EA0B0170F1E59481928A5_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLegalSettlements_598F3048726EA0B0170F1E59481928A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from litigation settlements</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromLegalSettlements" xlink:label="loc_us-gaap_ProceedsFromLegalSettlements_598F3048726EA0B0170F1E59481928A5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_159F66EBEAFC516E5ED7B8086EE912AF_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_159F66EBEAFC516E5ED7B8086EE912AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</link:label>
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    <link:label id="lab_us-gaap_AwardTypeAxis_0858C5DBD009AD6C42D1B8086EEA9084_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_0858C5DBD009AD6C42D1B8086EEA9084" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</link:label>
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    <link:label id="lab_cah_DebRedemptionMember_4532C2EE10FB4E3FAA0818D9350E6FF9_documentation_en-US" xlink:label="lab_cah_DebRedemptionMember_4532C2EE10FB4E3FAA0818D9350E6FF9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial instrument related to termination of existing debt [Member]</link:label>
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    <link:label id="lab_cah_GoodwillAndIntangibleAssetsLineItems_9BB508C06F8EB55532AFFEB0A793DEEA_documentation_en-US" xlink:label="lab_cah_GoodwillAndIntangibleAssetsLineItems_9BB508C06F8EB55532AFFEB0A793DEEA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets [Line Items]</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_GoodwillAndIntangibleAssetsLineItems" xlink:label="loc_cah_GoodwillAndIntangibleAssetsLineItems_9BB508C06F8EB55532AFFEB0A793DEEA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillImpairmentLoss_29513BFEA84038EEFAB1FEB0A793B01A_label_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_29513BFEA84038EEFAB1FEB0A793B01A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Impairment Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_29513BFEA84038EEFAB1FEB0A793B01A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_573030265DB981D07189FEB0A79397C3_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_573030265DB981D07189FEB0A79397C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Intangible Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_573030265DB981D07189FEB0A79397C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets_573030265DB981D07189FEB0A79397C3" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets_573030265DB981D07189FEB0A79397C3" xlink:type="arc" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_04B3F8214D2443D2031AFEB0A793475E_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_04B3F8214D2443D2031AFEB0A793475E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_04B3F8214D2443D2031AFEB0A793475E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_82F0D36A42083FCB7C7FFEB0A79321E6_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_82F0D36A42083FCB7C7FFEB0A79321E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_82F0D36A42083FCB7C7FFEB0A79321E6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_DA8FBB07B51AAB383777FEB0A7932A32_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_DA8FBB07B51AAB383777FEB0A7932A32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Three</link:label>
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_A5C74693B21629671DBCFEB0A79369B2_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_A5C74693B21629671DBCFEB0A79369B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_A5C74693B21629671DBCFEB0A79369B2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_FB67841060EEC0B0BBF3B2B17D3AB294_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_FB67841060EEC0B0BBF3B2B17D3AB294" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-Term Obligations and Other Short-Term Borrowings</link:label>
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    <link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_0482ACF546CA6EBE105A974AB9248785_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_0482ACF546CA6EBE105A974AB9248785" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisitions</link:label>
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    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_8D8FF0B1E6261745CE7DB808757E12D8_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_8D8FF0B1E6261745CE7DB808757E12D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation expense</link:label>
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    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3B1CD4812D4AA3DC8C47B68F4DE14716_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3B1CD4812D4AA3DC8C47B68F4DE14716" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted-average common shares&#8211;basic (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3B1CD4812D4AA3DC8C47B68F4DE14716_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3B1CD4812D4AA3DC8C47B68F4DE14716" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
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    <link:label id="lab_cah_DistributionServiceAgreementAndOtherVendorFeesPolicyTextBlock_30481007989921F53F901E5948EDEE05_documentation_en-US" xlink:label="lab_cah_DistributionServiceAgreementAndOtherVendorFeesPolicyTextBlock_30481007989921F53F901E5948EDEE05" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Describes an entity's accounting policy for fees received from distribution service agreements and other fees received from vendors related to the purchase or distribution of the vendor's inventory. Such fees are recognized as a reduction of inventory when those fees have been earned and the entity is entitled to payment.</link:label>
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    <link:label id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_8A1656FB2F688A5F1FE11E5948EDB8CB_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_8A1656FB2F688A5F1FE11E5948EDB8CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingencies, Policy</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_8A1656FB2F688A5F1FE11E5948EDB8CB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_A55691C82CB33F52D7001E5948ED77CC_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_A55691C82CB33F52D7001E5948ED77CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes, Policy</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_A55691C82CB33F52D7001E5948ED77CC_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_A55691C82CB33F52D7001E5948ED77CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_A55691C82CB33F52D7001E5948ED77CC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_6C1629E5AB40B88230B31E5948ED087A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_6C1629E5AB40B88230B31E5948ED087A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation, Policy</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_6C1629E5AB40B88230B31E5948ED087A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_6C1629E5AB40B88230B31E5948ED087A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_6C1629E5AB40B88230B31E5948ED087A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EEF9F1DDCF6CEB8A5BA51E5948ED89C5_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EEF9F1DDCF6CEB8A5BA51E5948ED89C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue Recognition, Policy</link:label>
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EEF9F1DDCF6CEB8A5BA51E5948ED89C5_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EEF9F1DDCF6CEB8A5BA51E5948ED89C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_EEF9F1DDCF6CEB8A5BA51E5948ED89C5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueRecognitionSalesReturns_0290092CF570BF16D08C1E5948ED201A_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionSalesReturns_0290092CF570BF16D08C1E5948ED201A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales Returns and Allowances (including Third-Party Returns), Policy</link:label>
    <link:label id="lab_us-gaap_RevenueRecognitionSalesReturns_0290092CF570BF16D08C1E5948ED201A_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionSalesReturns_0290092CF570BF16D08C1E5948ED201A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition, Sales Returns [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenueRecognitionSalesReturns" xlink:label="loc_us-gaap_RevenueRecognitionSalesReturns_0290092CF570BF16D08C1E5948ED201A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_FF74B7A00EC5058011CE1E5948EDE4FA_terseLabel_en-US" xlink:label="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_FF74B7A00EC5058011CE1E5948EDE4FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shipping and Handling, Policy</link:label>
    <link:label id="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_FF74B7A00EC5058011CE1E5948EDE4FA_label_en-US" xlink:label="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_FF74B7A00EC5058011CE1E5948EDE4FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shipping and Handling Cost, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShippingAndHandlingCostPolicyTextBlock" xlink:label="loc_us-gaap_ShippingAndHandlingCostPolicyTextBlock_FF74B7A00EC5058011CE1E5948EDE4FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShippingAndHandlingCostPolicyTextBlock_FF74B7A00EC5058011CE1E5948EDE4FA" xlink:to="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_FF74B7A00EC5058011CE1E5948EDE4FA" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_58DC61CB22C663636A561E5948ED831E_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_58DC61CB22C663636A561E5948ED831E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restructuring and Employee Severance, Policy</link:label>
    <link:label id="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_58DC61CB22C663636A561E5948ED831E_label_en-US" xlink:label="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_58DC61CB22C663636A561E5948ED831E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock" xlink:label="loc_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_58DC61CB22C663636A561E5948ED831E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_58DC61CB22C663636A561E5948ED831E" xlink:to="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_58DC61CB22C663636A561E5948ED831E" xlink:type="arc" />
    <link:label id="lab_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395_terseLabel_en-US" xlink:label="lab_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization and Other Acquisition-Related Costs, Policy</link:label>
    <link:label id="lab_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395_label_en-US" xlink:label="lab_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization and Other Acquisition Related Costs Policy [Policy Text Block]</link:label>
    <link:label id="lab_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395_documentation_en-US" xlink:label="lab_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of accounting policy for the costs incurred during and relating to an acquisition. These costs specifically include transaction and integration costs; changes in fair value of contingent consideration obligations and amortization of acquisition-related intangible assets, and are recorded within amortization and other acquisition-related costs.</link:label>
    <link:loc xlink:href="cah-20150630.xsd#cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock" xlink:label="loc_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395" xlink:to="lab_cah_AmortizationandOtherAcquisitionRelatedCostsPolicyPolicyTextBlock_D8108430B816BE82EE901E5948EDD395" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_641543F50AFB4A5E2E2E1E5948EDB2A2_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_641543F50AFB4A5E2E2E1E5948EDB2A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Translation of Foreign Currencies, Policy</link:label>
    <link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_641543F50AFB4A5E2E2E1E5948EDB2A2_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_641543F50AFB4A5E2E2E1E5948EDB2A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_641543F50AFB4A5E2E2E1E5948EDB2A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_641543F50AFB4A5E2E2E1E5948EDB2A2" xlink:to="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_641543F50AFB4A5E2E2E1E5948EDB2A2" xlink:type="arc" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativesMethodsOfAccountingHedgingDerivatives" xlink:label="loc_us-gaap_DerivativesMethodsOfAccountingHedgingDerivatives_BF4EA822CBEF40807E8D1E5948ED2B06" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_805B77E3F7BE49AD6E251E5948EDDAE7_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_805B77E3F7BE49AD6E251E5948EDDAE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Common Share, Policy</link:label>
    <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_805B77E3F7BE49AD6E251E5948EDDAE7_label_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_805B77E3F7BE49AD6E251E5948EDDAE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_805B77E3F7BE49AD6E251E5948EDDAE7" xlink:type="locator" />
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    <link:label id="lab_cah_Purchaseofavailableforsalesecuritiesandotherinvestments_8DABDA4328CA3E29FE3B18CD6D91C0A6_negatedLabel_en-US" xlink:label="lab_cah_Purchaseofavailableforsalesecuritiesandotherinvestments_8DABDA4328CA3E29FE3B18CD6D91C0A6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchase of available-for-sale securities and other investments</link:label>
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    <link:label id="lab_cah_Purchaseofavailableforsalesecuritiesandotherinvestments_8DABDA4328CA3E29FE3B18CD6D91C0A6_documentation_en-US" xlink:label="lab_cah_Purchaseofavailableforsalesecuritiesandotherinvestments_8DABDA4328CA3E29FE3B18CD6D91C0A6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow from purchases of available-for-sale securities and other investments.</link:label>
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    <link:label id="lab_cah_ProceedsfromMaturitiesPrepaymentsandCallsofAvailableforsaleandHeldtomaturitySecurities_5A24D59923C9379A609D18CD6D911203_documentation_en-US" xlink:label="lab_cah_ProceedsfromMaturitiesPrepaymentsandCallsofAvailableforsaleandHeldtomaturitySecurities_5A24D59923C9379A609D18CD6D911203" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities classified as either available-for-sale securities or held-to-maturity securities.</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_5C49C45AB68D2F4141AB18CD6D916389_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_5C49C45AB68D2F4141AB18CD6D916389" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</link:label>
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    <link:label id="lab_cah_PaymentofContingentConsideration_D8977BAE12143D3CAD5D18CD6D920F2E_negatedTerseLabel_en-US" xlink:label="lab_cah_PaymentofContingentConsideration_D8977BAE12143D3CAD5D18CD6D920F2E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment of contingent consideration obligation</link:label>
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    <link:label id="lab_cah_PaymentofContingentConsideration_D8977BAE12143D3CAD5D18CD6D920F2E_documentation_en-US" xlink:label="lab_cah_PaymentofContingentConsideration_D8977BAE12143D3CAD5D18CD6D920F2E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow from a settlement payment of contingent consideration assumed in a business combination.</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_6E88C219495D51EB43E718CD6D925625_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_6E88C219495D51EB43E718CD6D925625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net change in short-term borrowings</link:label>
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    <link:label id="lab_us-gaap_NotesReceivableNet_77A2EF1D439349D4AAB92307F1A8AF24_terseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableNet_77A2EF1D439349D4AAB92307F1A8AF24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance notes and related accrued interest, net, total</link:label>
    <link:label id="lab_us-gaap_NotesReceivableNet_77A2EF1D439349D4AAB92307F1A8AF24_label_en-US" xlink:label="lab_us-gaap_NotesReceivableNet_77A2EF1D439349D4AAB92307F1A8AF24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Net</link:label>
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    <link:label id="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5F58AA4836AD0EA78BDA2307F1A8A1A2_terseLabel_en-US" xlink:label="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5F58AA4836AD0EA78BDA2307F1A8A1A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance notes and related accrued interest, net, current</link:label>
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    <link:label id="lab_cah_ConcentrationRiskLargestGroupPurchasingOrganizations_669A02477C97D11C4EE42307F1A87BA5_terseLabel_en-US" xlink:label="lab_cah_ConcentrationRiskLargestGroupPurchasingOrganizations_669A02477C97D11C4EE42307F1A87BA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Largest group purchasing organizations</link:label>
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    <link:label id="lab_cah_ConcentrationRiskLargestGroupPurchasingOrganizations_669A02477C97D11C4EE42307F1A87BA5_documentation_en-US" xlink:label="lab_cah_ConcentrationRiskLargestGroupPurchasingOrganizations_669A02477C97D11C4EE42307F1A87BA5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Concentration Risk, Largest Group Purchasing Organizations</link:label>
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    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_04CE37BB77CA1F07533F2307F1A81A75_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_04CE37BB77CA1F07533F2307F1A81A75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue, major customer, percentage</link:label>
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    <link:label id="lab_us-gaap_PercentageOfLIFOInventory_EF4C86F7F4600775AB7B2307F1A89728_terseLabel_en-US" xlink:label="lab_us-gaap_PercentageOfLIFOInventory_EF4C86F7F4600775AB7B2307F1A89728" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Portion of inventories held at LIFO, percentage</link:label>
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    <link:label id="lab_us-gaap_InventoryLIFOReserve_EA1D6BDBCA40E2447B522307F1A845CA_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryLIFOReserve_EA1D6BDBCA40E2447B522307F1A845CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories valued at LIFO amount higher than average cost value</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_CE6E73EDC20EDCAD5AEA2307F1A86DE6_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_CE6E73EDC20EDCAD5AEA2307F1A86DE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful life of property and equipment</link:label>
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    <link:label id="lab_us-gaap_InventoryValuationReserves_C3E61201328632833B772307F1A877D8_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryValuationReserves_C3E61201328632833B772307F1A877D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves for excess and obsolete inventory</link:label>
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    <link:label id="lab_us-gaap_Depreciation_12773E6F37A2FF67CDB82307F1A86910_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_12773E6F37A2FF67CDB82307F1A86910" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
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