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    <link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_08D5227475DC9D93C0138A9827B6A6E5_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_90633CE93B225624A02E26B8D7CFA3B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Disaggregation of Revenue</link:label>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_08D5227475DC9D93C0138A9827B6A6E5_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_90633CE93B225624A02E26B8D7CFA3B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disaggregation of Revenue [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_7597DD368361A2948D024D966B9AE322_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_7597DD368361A2948D024D966B9AE322" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining 2019</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_7597DD368361A2948D024D966B9AE322_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_7597DD368361A2948D024D966B9AE322" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_7597DD368361A2948D024D966B9AE322" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_7597DD368361A2948D024D966B9AE322" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_7597DD368361A2948D024D966B9AE322" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1042AD7ED9EF2A1EB4074D969ACB2E77_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1042AD7ED9EF2A1EB4074D969ACB2E77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1042AD7ED9EF2A1EB4074D969ACB2E77_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1042AD7ED9EF2A1EB4074D969ACB2E77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1042AD7ED9EF2A1EB4074D969ACB2E77" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1042AD7ED9EF2A1EB4074D969ACB2E77" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1042AD7ED9EF2A1EB4074D969ACB2E77" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_316CD27454E07D8F755D4D96C7B662CC_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_316CD27454E07D8F755D4D96C7B662CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_316CD27454E07D8F755D4D96C7B662CC_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_316CD27454E07D8F755D4D96C7B662CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_316CD27454E07D8F755D4D96C7B662CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_316CD27454E07D8F755D4D96C7B662CC" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_316CD27454E07D8F755D4D96C7B662CC" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22B7AFF40F785835E8FD4D9701FC7126_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22B7AFF40F785835E8FD4D9701FC7126" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22B7AFF40F785835E8FD4D9701FC7126_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22B7AFF40F785835E8FD4D9701FC7126" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22B7AFF40F785835E8FD4D9701FC7126" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22B7AFF40F785835E8FD4D9701FC7126" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22B7AFF40F785835E8FD4D9701FC7126" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_158D6015AD473B2239E74D9739B78400_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_158D6015AD473B2239E74D9739B78400" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_158D6015AD473B2239E74D9739B78400_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_158D6015AD473B2239E74D9739B78400" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_158D6015AD473B2239E74D9739B78400" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_158D6015AD473B2239E74D9739B78400" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_158D6015AD473B2239E74D9739B78400" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_63D6EB33C069CAF530844D976C9B3322_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_63D6EB33C069CAF530844D976C9B3322" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_63D6EB33C069CAF530844D976C9B3322_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_63D6EB33C069CAF530844D976C9B3322" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_63D6EB33C069CAF530844D976C9B3322" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_11F2635334512003AA894D97AA0023C2_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_11F2635334512003AA894D97AA0023C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_11F2635334512003AA894D97AA0023C2" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_C7E6BFE38E0BD370BB144D97D8810FF4" xlink:type="locator" />
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    <link:label id="lab_mmsi_DirectACCESSMedicalLLCMember_A9543B3B793C5E18A0C669AE5A69E6FF_terseLabel_en-US" xlink:label="lab_mmsi_DirectACCESSMedicalLLCMember_A9543B3B793C5E18A0C669AE5A69E6FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DirectACCESS Medical, LLC</link:label>
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    <link:label id="lab_mmsi_DirectACCESSMedicalLLCMember_A9543B3B793C5E18A0C669AE5A69E6FF_documentation_en-US" xlink:label="lab_mmsi_DirectACCESSMedicalLLCMember_A9543B3B793C5E18A0C669AE5A69E6FF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DirectACCESS Medical, LLC [Member]</link:label>
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    <link:label id="lab_mmsi_BectonDickinsonandCompanyMember_D320B7F7968954357A7869AE5A69D79C_terseLabel_en-US" xlink:label="lab_mmsi_BectonDickinsonandCompanyMember_D320B7F7968954357A7869AE5A69D79C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Becton, Dickinson and Company</link:label>
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    <link:label id="lab_mmsi_BectonDickinsonandCompanyMember_D320B7F7968954357A7869AE5A69D79C_documentation_en-US" xlink:label="lab_mmsi_BectonDickinsonandCompanyMember_D320B7F7968954357A7869AE5A69D79C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Becton, Dickinson and Company [Member]</link:label>
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    <link:label id="lab_us-gaap_TrademarksMember_567F517591E79D9F67ED69AE5A6A7347_terseLabel_en-US" xlink:label="lab_us-gaap_TrademarksMember_567F517591E79D9F67ED69AE5A6A7347" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trademarks</link:label>
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    <link:label id="lab_us-gaap_CustomerListsMember_F6DF27924AF14DB1EABF69AE5A6A07DE_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerListsMember_F6DF27924AF14DB1EABF69AE5A6A07DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer Lists</link:label>
    <link:label id="lab_us-gaap_CustomerListsMember_F6DF27924AF14DB1EABF69AE5A6A07DE_label_en-US" xlink:label="lab_us-gaap_CustomerListsMember_F6DF27924AF14DB1EABF69AE5A6A07DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Lists [Member]</link:label>
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    <link:label id="lab_mmsi_AnnualNetSalesMilestoneMember_4196404A7846EB97806A69AE5A6B765F_terseLabel_en-US" xlink:label="lab_mmsi_AnnualNetSalesMilestoneMember_4196404A7846EB97806A69AE5A6B765F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual Net Sales Milestone</link:label>
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    <link:label id="lab_mmsi_AnnualNetSalesMilestoneMember_4196404A7846EB97806A69AE5A6B765F_documentation_en-US" xlink:label="lab_mmsi_AnnualNetSalesMilestoneMember_4196404A7846EB97806A69AE5A6B765F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Annual Net Sales Milestone [Member]</link:label>
    <link:loc xlink:href="mmsi-20190331.xsd#mmsi_AnnualNetSalesMilestoneMember" xlink:label="loc_mmsi_AnnualNetSalesMilestoneMember_4196404A7846EB97806A69AE5A6B765F" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_3CD5085E1AA504243BE069AE5A6B5C8B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_947C73FEE078EE78553169AE5A6CA9A2_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_947C73FEE078EE78553169AE5A6CA9A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent liability</link:label>
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    <link:label id="lab_mmsi_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsGross_D1159FAEA5DACFE465F850D1AB54D99E_terseLabel_en-US" xlink:label="lab_mmsi_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsGross_D1159FAEA5DACFE465F850D1AB54D99E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, gross</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_C98C349F20C1CC48A3A47160A1D4C703_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_C98C349F20C1CC48A3A47160A1D4C703" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Property and equipment</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquireIntangibleAssets_DFD818775552F30187057160A1D4A363_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireIntangibleAssets_DFD818775552F30187057160A1D4A363" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_FEFF6EDFE1DA04F4B61A7160A1D44895_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_FEFF6EDFE1DA04F4B61A7160A1D44895" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from the sale of property and equipment</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_FEFF6EDFE1DA04F4B61A7160A1D44895" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_D0297C36AA02DBAB96067160A1D480E8_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_D0297C36AA02DBAB96067160A1D480E8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cash paid in acquisitions, net of cash acquired</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_D0297C36AA02DBAB96067160A1D480E8_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_D0297C36AA02DBAB96067160A1D480E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_D0297C36AA02DBAB96067160A1D480E8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D7DD16532C1EFA1311047160A1D47DE2_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D7DD16532C1EFA1311047160A1D47DE2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D7DD16532C1EFA1311047160A1D47DE2_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D7DD16532C1EFA1311047160A1D47DE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_D7DD16532C1EFA1311047160A1D47DE2" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_941C20BF30A1FF074FDC7160A1D494D1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_D2BF43CBF8AB74DB04007160A1D4D9CA_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_D2BF43CBF8AB74DB04007160A1D4D9CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of common stock</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_58BFE5CF2157DF3340CF7160A1D4A115" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_6358F293AB32CEF15B747160A1D4E82A_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_6358F293AB32CEF15B747160A1D4E82A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent payments related to acquisitions</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_238E8EDE101BF6B05CA57160A1D4291E_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_238E8EDE101BF6B05CA57160A1D4291E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used in) financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_238E8EDE101BF6B05CA57160A1D4291E_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_238E8EDE101BF6B05CA57160A1D4291E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_238E8EDE101BF6B05CA57160A1D4291E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8F6AB623034F28ECA7587160A1D49166_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8F6AB623034F28ECA7587160A1D49166" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EFFECT OF EXCHANGE RATES ON CASH</link:label>
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