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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_65C84A888750231E317EADBD9EA2984E_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_65C84A888750231E317EADBD9EA2984E" 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>
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    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_6A9528C9409D1C5B574EADBD9EA36924_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_6A9528C9409D1C5B574EADBD9EA36924" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net decrease in cash, cash equivalents and restricted cash</link:label>
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    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_BEE0CE5D9DDFF811182DADBD9EA35136_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_BEE0CE5D9DDFF811182DADBD9EA35136" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash, cash equivalents and restricted cash at the beginning of the period</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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_BEE0CE5D9DDFF811182DADBD9EA35136" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_6E6ECFB5B3F3BE0F2AEDADBD9EA3F961_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_6E6ECFB5B3F3BE0F2AEDADBD9EA3F961" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash, cash equivalents and restricted cash at the end of the period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_6E6ECFB5B3F3BE0F2AEDADBD9EA3F961" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_6B988E9398A931F0C1F8ADBD9EA31C65_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_6B988E9398A931F0C1F8ADBD9EA31C65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</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_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_6B988E9398A931F0C1F8ADBD9EA31C65" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestPaidNet_290116F478A1B527F74DADBD9EA40E04_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet_290116F478A1B527F74DADBD9EA40E04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash interest payments</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_290116F478A1B527F74DADBD9EA40E04_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_290116F478A1B527F74DADBD9EA40E04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_73AB152B7E71EDFC1280ADBD9EA44623_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_73AB152B7E71EDFC1280ADBD9EA44623" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash income tax payments, net</link:label>
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    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueAcquisitions_8CA821F4650D6BCA59C7ADBD9EA43009_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueAcquisitions_8CA821F4650D6BCA59C7ADBD9EA43009" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock issued for acquisitions</link:label>
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