<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_us-gaap_AccountingPoliciesAbstract_953552A75275A4B1116173742552D373_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_953552A75275A4B1116173742552D373" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_953552A75275A4B1116173742552D373" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_953552A75275A4B1116173742552D373" xlink:to="lab_us-gaap_AccountingPoliciesAbstract_953552A75275A4B1116173742552D373" xlink:type="arc" />
    <link:label id="lab_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20_terseLabel_en-US" xlink:label="lab_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract with Customer, Asset and Liability [Policy Text Block]</link:label>
    <link:label id="lab_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20_label_en-US" xlink:label="lab_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Asset and Liability [Policy Text Block]</link:label>
    <link:label id="lab_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20_documentation_en-US" xlink:label="lab_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract with Customer, Asset and Liability [Policy Text Block] - Disclosure of the Company's accounting policy related to Contract Assets and Contract Liabilities arising from ASC 606.</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock" xlink:label="loc_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20" xlink:to="lab_cmt_ContractwithCustomerAssetandLiabilityPolicyTextBlock_851BAD19CD69457AF308737425549A20" xlink:type="arc" />
    <link:label id="lab_us-gaap_PostemploymentBenefitPlansPolicy_388493C0D94749BD66E5737425552B4A_terseLabel_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitPlansPolicy_388493C0D94749BD66E5737425552B4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Postemployment Benefit Plans, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_PostemploymentBenefitPlansPolicy_388493C0D94749BD66E5737425552B4A_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitPlansPolicy_388493C0D94749BD66E5737425552B4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Postemployment Benefit Plans, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PostemploymentBenefitPlansPolicy" xlink:label="loc_us-gaap_PostemploymentBenefitPlansPolicy_388493C0D94749BD66E5737425552B4A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PostemploymentBenefitPlansPolicy_388493C0D94749BD66E5737425552B4A" xlink:to="lab_us-gaap_PostemploymentBenefitPlansPolicy_388493C0D94749BD66E5737425552B4A" xlink:type="arc" />
    <link:label id="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_C829DF168FC71E1DA7837374255769D8_terseLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_C829DF168FC71E1DA7837374255769D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Self Insurance Reserve [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_C829DF168FC71E1DA7837374255769D8_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_C829DF168FC71E1DA7837374255769D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Self Insurance Reserve [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SelfInsuranceReservePolicyTextBlock" xlink:label="loc_us-gaap_SelfInsuranceReservePolicyTextBlock_C829DF168FC71E1DA7837374255769D8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReservePolicyTextBlock_C829DF168FC71E1DA7837374255769D8" xlink:to="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_C829DF168FC71E1DA7837374255769D8" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B8707E7AF833AF3454C473742557C2D5_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B8707E7AF833AF3454C473742557C2D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B8707E7AF833AF3454C473742557C2D5_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B8707E7AF833AF3454C473742557C2D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B8707E7AF833AF3454C473742557C2D5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B8707E7AF833AF3454C473742557C2D5" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B8707E7AF833AF3454C473742557C2D5" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_0265C675E83D08A1B54F737425570883_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_0265C675E83D08A1B54F737425570883" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_0265C675E83D08A1B54F737425570883_label_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_0265C675E83D08A1B54F737425570883" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock_0265C675E83D08A1B54F737425570883" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesPolicyTextBlock_0265C675E83D08A1B54F737425570883" xlink:to="lab_us-gaap_DerivativesPolicyTextBlock_0265C675E83D08A1B54F737425570883" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_E55AB86F82B7ECDEF816737425589555_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_E55AB86F82B7ECDEF816737425589555" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_E55AB86F82B7ECDEF816737425589555_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_E55AB86F82B7ECDEF816737425589555" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_E55AB86F82B7ECDEF816737425589555" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryPolicyTextBlock_E55AB86F82B7ECDEF816737425589555" xlink:to="lab_us-gaap_InventoryPolicyTextBlock_E55AB86F82B7ECDEF816737425589555" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_B55BAF01516D3A9EABB373742558429B_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_B55BAF01516D3A9EABB373742558429B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_B55BAF01516D3A9EABB373742558429B_label_en-US" xlink:label="lab_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_B55BAF01516D3A9EABB373742558429B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy" xlink:label="loc_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_B55BAF01516D3A9EABB373742558429B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_B55BAF01516D3A9EABB373742558429B" xlink:to="lab_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_B55BAF01516D3A9EABB373742558429B" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_4DE56F9846097B941BB673742558D5FC_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_4DE56F9846097B941BB673742558D5FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue Recognition, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_4DE56F9846097B941BB673742558D5FC_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_4DE56F9846097B941BB673742558D5FC" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_4DE56F9846097B941BB673742558D5FC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock_4DE56F9846097B941BB673742558D5FC" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock_4DE56F9846097B941BB673742558D5FC" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_E47471D80F410CB714A6737425582B00_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_E47471D80F410CB714A6737425582B00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_E47471D80F410CB714A6737425582B00_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_E47471D80F410CB714A6737425582B00" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_E47471D80F410CB714A6737425582B00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock_E47471D80F410CB714A6737425582B00" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock_E47471D80F410CB714A6737425582B00" xlink:type="arc" />
    <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_EB8F2A7DD50A9E4E9F32737425590DB0_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_EB8F2A7DD50A9E4E9F32737425590DB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_EB8F2A7DD50A9E4E9F32737425590DB0_label_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_EB8F2A7DD50A9E4E9F32737425590DB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_EB8F2A7DD50A9E4E9F32737425590DB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_EB8F2A7DD50A9E4E9F32737425590DB0" xlink:to="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_EB8F2A7DD50A9E4E9F32737425590DB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentAbstract_1EC0F8C1F25F5203E1D52289BF964320_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAbstract_1EC0F8C1F25F5203E1D52289BF964320" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_1EC0F8C1F25F5203E1D52289BF964320" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_1EC0F8C1F25F5203E1D52289BF964320" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentAbstract_1EC0F8C1F25F5203E1D52289BF964320" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_74F1F2B8530833D0701E2289BF9704C5_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_74F1F2B8530833D0701E2289BF9704C5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant &amp; Equipment</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_74F1F2B8530833D0701E2289BF9704C5_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_74F1F2B8530833D0701E2289BF9704C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_74F1F2B8530833D0701E2289BF9704C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_74F1F2B8530833D0701E2289BF9704C5" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_74F1F2B8530833D0701E2289BF9704C5" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E323DA664DA8CE4FE70C8F4ADAE7E7BB_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E323DA664DA8CE4FE70C8F4ADAE7E7BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E323DA664DA8CE4FE70C8F4ADAE7E7BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E323DA664DA8CE4FE70C8F4ADAE7E7BB" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E323DA664DA8CE4FE70C8F4ADAE7E7BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTable_317A72FE3D775C375C818F4ADAE732AC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_317A72FE3D775C375C818F4ADAE732AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTable_317A72FE3D775C375C818F4ADAE732AC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_317A72FE3D775C375C818F4ADAE732AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_317A72FE3D775C375C818F4ADAE732AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_317A72FE3D775C375C818F4ADAE732AC" xlink:to="lab_us-gaap_ScheduleOfGoodwillTable_317A72FE3D775C375C818F4ADAE732AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_72AF16E982D744CF82118F4ADAE7C25C_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_72AF16E982D744CF82118F4ADAE7C25C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_72AF16E982D744CF82118F4ADAE7C25C_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_72AF16E982D744CF82118F4ADAE7C25C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_72AF16E982D744CF82118F4ADAE7C25C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_72AF16E982D744CF82118F4ADAE7C25C" xlink:to="lab_us-gaap_BusinessAcquisitionAxis_72AF16E982D744CF82118F4ADAE7C25C" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_8ED39AEE7A3CEB40BD4D8F4ADAE70C7D_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_8ED39AEE7A3CEB40BD4D8F4ADAE70C7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_8ED39AEE7A3CEB40BD4D8F4ADAE70C7D_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_8ED39AEE7A3CEB40BD4D8F4ADAE70C7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8ED39AEE7A3CEB40BD4D8F4ADAE70C7D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8ED39AEE7A3CEB40BD4D8F4ADAE70C7D" xlink:to="lab_us-gaap_BusinessAcquisitionAcquireeDomain_8ED39AEE7A3CEB40BD4D8F4ADAE70C7D" xlink:type="arc" />
    <link:label id="lab_srt_ConsolidationItemsAxis_03C27D30395C253BDE858F4ADAE89963_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsAxis_03C27D30395C253BDE858F4ADAE89963" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation Items [Axis]</link:label>
    <link:label id="lab_srt_ConsolidationItemsAxis_03C27D30395C253BDE858F4ADAE89963_label_en-US" xlink:label="lab_srt_ConsolidationItemsAxis_03C27D30395C253BDE858F4ADAE89963" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation Items [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_03C27D30395C253BDE858F4ADAE89963" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsAxis_03C27D30395C253BDE858F4ADAE89963" xlink:to="lab_srt_ConsolidationItemsAxis_03C27D30395C253BDE858F4ADAE89963" xlink:type="arc" />
    <link:label id="lab_srt_ConsolidationItemsDomain_6DC58FC1E32A0C23F30C8F4ADAE83A80_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsDomain_6DC58FC1E32A0C23F30C8F4ADAE83A80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:label id="lab_srt_ConsolidationItemsDomain_6DC58FC1E32A0C23F30C8F4ADAE83A80_label_en-US" xlink:label="lab_srt_ConsolidationItemsDomain_6DC58FC1E32A0C23F30C8F4ADAE83A80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_6DC58FC1E32A0C23F30C8F4ADAE83A80" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsDomain_6DC58FC1E32A0C23F30C8F4ADAE83A80" xlink:to="lab_srt_ConsolidationItemsDomain_6DC58FC1E32A0C23F30C8F4ADAE83A80" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_0A48FA0CF0672ACFD7848F4ADAE81BA9_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_0A48FA0CF0672ACFD7848F4ADAE81BA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_0A48FA0CF0672ACFD7848F4ADAE81BA9_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_0A48FA0CF0672ACFD7848F4ADAE81BA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_0A48FA0CF0672ACFD7848F4ADAE81BA9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_0A48FA0CF0672ACFD7848F4ADAE81BA9" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_0A48FA0CF0672ACFD7848F4ADAE81BA9" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentDomain_A0257D0B76FA282231468F4ADAE8E0B4_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_A0257D0B76FA282231468F4ADAE8E0B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_A0257D0B76FA282231468F4ADAE8E0B4_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_A0257D0B76FA282231468F4ADAE8E0B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_A0257D0B76FA282231468F4ADAE8E0B4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_A0257D0B76FA282231468F4ADAE8E0B4" xlink:to="lab_us-gaap_SegmentDomain_A0257D0B76FA282231468F4ADAE8E0B4" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_9C8D7718D6082C472CB48F4ADAE90566_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_9C8D7718D6082C472CB48F4ADAE90566" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Location [Axis]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_9C8D7718D6082C472CB48F4ADAE90566_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_9C8D7718D6082C472CB48F4ADAE90566" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_9C8D7718D6082C472CB48F4ADAE90566" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9C8D7718D6082C472CB48F4ADAE90566" xlink:to="lab_us-gaap_IncomeStatementLocationAxis_9C8D7718D6082C472CB48F4ADAE90566" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_CCE5C7984CF8436785718F4ADAE91C79_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_CCE5C7984CF8436785718F4ADAE91C79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Location [Domain]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_CCE5C7984CF8436785718F4ADAE91C79_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_CCE5C7984CF8436785718F4ADAE91C79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_CCE5C7984CF8436785718F4ADAE91C79" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_CCE5C7984CF8436785718F4ADAE91C79" xlink:to="lab_us-gaap_IncomeStatementLocationDomain_CCE5C7984CF8436785718F4ADAE91C79" xlink:type="arc" />
    <link:label id="lab_srt_RangeAxis_97FC1C5C61A7833D26C98F4ADAE972E3_terseLabel_en-US" xlink:label="lab_srt_RangeAxis_97FC1C5C61A7833D26C98F4ADAE972E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_97FC1C5C61A7833D26C98F4ADAE972E3_label_en-US" xlink:label="lab_srt_RangeAxis_97FC1C5C61A7833D26C98F4ADAE972E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_97FC1C5C61A7833D26C98F4ADAE972E3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis_97FC1C5C61A7833D26C98F4ADAE972E3" xlink:to="lab_srt_RangeAxis_97FC1C5C61A7833D26C98F4ADAE972E3" xlink:type="arc" />
    <link:label id="lab_srt_RangeMember_594C79672D4B82BCFA3B8F4ADAE97FAE_terseLabel_en-US" xlink:label="lab_srt_RangeMember_594C79672D4B82BCFA3B8F4ADAE97FAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_594C79672D4B82BCFA3B8F4ADAE97FAE_label_en-US" xlink:label="lab_srt_RangeMember_594C79672D4B82BCFA3B8F4ADAE97FAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_594C79672D4B82BCFA3B8F4ADAE97FAE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember_594C79672D4B82BCFA3B8F4ADAE97FAE" xlink:to="lab_srt_RangeMember_594C79672D4B82BCFA3B8F4ADAE97FAE" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillLineItems_C4F5D7EB157A53D6A3E08F4ADAE9E41E_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_C4F5D7EB157A53D6A3E08F4ADAE9E41E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill [Line Items]</link:label>
    <link:label id="lab_us-gaap_GoodwillLineItems_C4F5D7EB157A53D6A3E08F4ADAE9E41E_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_C4F5D7EB157A53D6A3E08F4ADAE9E41E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_C4F5D7EB157A53D6A3E08F4ADAE9E41E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillLineItems_C4F5D7EB157A53D6A3E08F4ADAE9E41E" xlink:to="lab_us-gaap_GoodwillLineItems_C4F5D7EB157A53D6A3E08F4ADAE9E41E" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_FD85D0904B87139BAE998F4ADAE938DC_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_FD85D0904B87139BAE998F4ADAE938DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of Intangible Assets</link:label>
    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_FD85D0904B87139BAE998F4ADAE938DC_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_FD85D0904B87139BAE998F4ADAE938DC" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_FD85D0904B87139BAE998F4ADAE938DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets_FD85D0904B87139BAE998F4ADAE938DC" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets_FD85D0904B87139BAE998F4ADAE938DC" xlink:type="arc" />
    <link:label id="lab_us-gaap_Goodwill_83F0B0B9F99849278EFF8F4ADAEAA542_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_83F0B0B9F99849278EFF8F4ADAEAA542" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_us-gaap_Goodwill_83F0B0B9F99849278EFF8F4ADAEAA542_label_en-US" xlink:label="lab_us-gaap_Goodwill_83F0B0B9F99849278EFF8F4ADAEAA542" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_83F0B0B9F99849278EFF8F4ADAEAA542" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_83F0B0B9F99849278EFF8F4ADAEAA542" xlink:to="lab_us-gaap_Goodwill_83F0B0B9F99849278EFF8F4ADAEAA542" xlink:type="arc" />
    <link:label id="lab_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189_terseLabel_en-US" xlink:label="lab_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill</link:label>
    <link:label id="lab_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189_label_en-US" xlink:label="lab_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill</link:label>
    <link:label id="lab_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189_documentation_en-US" xlink:label="lab_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill" xlink:label="loc_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189" xlink:to="lab_cmt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill_27BE0A3D62EA691E31DC8F4ADAEA2189" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillImpairmentLoss_DD7D10FDE7741430EE088F4ADAEAEA48_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_DD7D10FDE7741430EE088F4ADAEAEA48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill, Impairment Loss</link:label>
    <link:label id="lab_us-gaap_GoodwillImpairmentLoss_DD7D10FDE7741430EE088F4ADAEAEA48_label_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_DD7D10FDE7741430EE088F4ADAEAEA48" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_DD7D10FDE7741430EE088F4ADAEAEA48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillImpairmentLoss_DD7D10FDE7741430EE088F4ADAEAEA48" xlink:to="lab_us-gaap_GoodwillImpairmentLoss_DD7D10FDE7741430EE088F4ADAEAEA48" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D71635DFB8E709FEEC912289BDF5858F_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D71635DFB8E709FEEC912289BDF5858F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Text Block]</link:label>
    <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D71635DFB8E709FEEC912289BDF5858F_label_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D71635DFB8E709FEEC912289BDF5858F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_D71635DFB8E709FEEC912289BDF5858F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAccountingPoliciesTextBlock_D71635DFB8E709FEEC912289BDF5858F" xlink:to="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D71635DFB8E709FEEC912289BDF5858F" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueDisclosuresAbstract_D31D1E43E884F275698A2289BDB3C9E2_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract_D31D1E43E884F275698A2289BDB3C9E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_D31D1E43E884F275698A2289BDB3C9E2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_D31D1E43E884F275698A2289BDB3C9E2" xlink:to="lab_us-gaap_FairValueDisclosuresAbstract_D31D1E43E884F275698A2289BDB3C9E2" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_21CD977C69DF819D9F692289BDB494E1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_21CD977C69DF819D9F692289BDB494E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_21CD977C69DF819D9F692289BDB494E1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_21CD977C69DF819D9F692289BDB494E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_21CD977C69DF819D9F692289BDB494E1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_21CD977C69DF819D9F692289BDB494E1" xlink:to="lab_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_21CD977C69DF819D9F692289BDB494E1" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B46BA7555F12C7B30D662289BDB48373_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B46BA7555F12C7B30D662289BDB48373" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B46BA7555F12C7B30D662289BDB48373_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B46BA7555F12C7B30D662289BDB48373" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B46BA7555F12C7B30D662289BDB48373" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B46BA7555F12C7B30D662289BDB48373" xlink:to="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B46BA7555F12C7B30D662289BDB48373" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_FD2B94E4A56708A531E494DCFFAD0CA5_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_FD2B94E4A56708A531E494DCFFAD0CA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_FD2B94E4A56708A531E494DCFFAD0CA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_FD2B94E4A56708A531E494DCFFAD0CA5" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_FD2B94E4A56708A531E494DCFFAD0CA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_80F85D070EA8C595624394DCFFAEC907_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_80F85D070EA8C595624394DCFFAEC907" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_80F85D070EA8C595624394DCFFAEC907_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_80F85D070EA8C595624394DCFFAEC907" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_80F85D070EA8C595624394DCFFAEC907" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_80F85D070EA8C595624394DCFFAEC907" xlink:to="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_80F85D070EA8C595624394DCFFAEC907" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountingChangesAndErrorCorrectionsAbstract_3CBBA4E85E702362AE8195242011FDC7_label_en-US" xlink:label="lab_us-gaap_AccountingChangesAndErrorCorrectionsAbstract_3CBBA4E85E702362AE8195242011FDC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Changes and Error Corrections [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingChangesAndErrorCorrectionsAbstract" xlink:label="loc_us-gaap_AccountingChangesAndErrorCorrectionsAbstract_3CBBA4E85E702362AE8195242011FDC7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingChangesAndErrorCorrectionsAbstract_3CBBA4E85E702362AE8195242011FDC7" xlink:to="lab_us-gaap_AccountingChangesAndErrorCorrectionsAbstract_3CBBA4E85E702362AE8195242011FDC7" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_58112062E281FCA83E389524A8A6AC43_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_58112062E281FCA83E389524A8A6AC43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_58112062E281FCA83E389524A8A6AC43_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_58112062E281FCA83E389524A8A6AC43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_58112062E281FCA83E389524A8A6AC43" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset_58112062E281FCA83E389524A8A6AC43" xlink:to="lab_us-gaap_OperatingLeaseRightOfUseAsset_58112062E281FCA83E389524A8A6AC43" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseLiability_D8DD3FA4180D90ADB1359524A8BEC5A3_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability_D8DD3FA4180D90ADB1359524A8BEC5A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiability_D8DD3FA4180D90ADB1359524A8BEC5A3_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability_D8DD3FA4180D90ADB1359524A8BEC5A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_D8DD3FA4180D90ADB1359524A8BEC5A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiability_D8DD3FA4180D90ADB1359524A8BEC5A3" xlink:to="lab_us-gaap_OperatingLeaseLiability_D8DD3FA4180D90ADB1359524A8BEC5A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6B11AF7A17F694E5D12392D3413B607B_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6B11AF7A17F694E5D12392D3413B607B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6B11AF7A17F694E5D12392D3413B607B_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6B11AF7A17F694E5D12392D3413B607B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6B11AF7A17F694E5D12392D3413B607B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6B11AF7A17F694E5D12392D3413B607B" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6B11AF7A17F694E5D12392D3413B607B" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_42FDA3ADBC8CEA5D23BA92D3413BB413_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_42FDA3ADBC8CEA5D23BA92D3413BB413" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_42FDA3ADBC8CEA5D23BA92D3413BB413_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_42FDA3ADBC8CEA5D23BA92D3413BB413" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_42FDA3ADBC8CEA5D23BA92D3413BB413" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_42FDA3ADBC8CEA5D23BA92D3413BB413" xlink:to="lab_us-gaap_StatementEquityComponentsAxis_42FDA3ADBC8CEA5D23BA92D3413BB413" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityComponentDomain_CF72F39AF4769FF2B61892D3413BA489_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_CF72F39AF4769FF2B61892D3413BA489" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:label id="lab_us-gaap_EquityComponentDomain_CF72F39AF4769FF2B61892D3413BA489_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_CF72F39AF4769FF2B61892D3413BA489" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_CF72F39AF4769FF2B61892D3413BA489" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain_CF72F39AF4769FF2B61892D3413BA489" xlink:to="lab_us-gaap_EquityComponentDomain_CF72F39AF4769FF2B61892D3413BA489" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_F51B8E16661C3E49A71B92D3413CD5BE_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_F51B8E16661C3E49A71B92D3413CD5BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative [Member]</link:label>
    <link:label id="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_F51B8E16661C3E49A71B92D3413CD5BE_label_en-US" xlink:label="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_F51B8E16661C3E49A71B92D3413CD5BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_F51B8E16661C3E49A71B92D3413CD5BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_F51B8E16661C3E49A71B92D3413CD5BE" xlink:to="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_F51B8E16661C3E49A71B92D3413CD5BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_D11B58BDB1B96D527B2192D3413C9F3D_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_D11B58BDB1B96D527B2192D3413C9F3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]</link:label>
    <link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_D11B58BDB1B96D527B2192D3413C9F3D_label_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_D11B58BDB1B96D527B2192D3413C9F3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_D11B58BDB1B96D527B2192D3413C9F3D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_D11B58BDB1B96D527B2192D3413C9F3D" xlink:to="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_D11B58BDB1B96D527B2192D3413C9F3D" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5707BC4D5DFA1B1A412692D3413C0FFD_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5707BC4D5DFA1B1A412692D3413C0FFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5707BC4D5DFA1B1A412692D3413C0FFD_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5707BC4D5DFA1B1A412692D3413C0FFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AOCI Attributable to Parent [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5707BC4D5DFA1B1A412692D3413C0FFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5707BC4D5DFA1B1A412692D3413C0FFD" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5707BC4D5DFA1B1A412692D3413C0FFD" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_59C10A0588D178DF491792D3413D87DD_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_59C10A0588D178DF491792D3413D87DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Foreign Currency Adjustment Attributable to Parent [Member]</link:label>
    <link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_59C10A0588D178DF491792D3413D87DD_label_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_59C10A0588D178DF491792D3413D87DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Foreign Currency Adjustment Attributable to Parent [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_59C10A0588D178DF491792D3413D87DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedTranslationAdjustmentMember_59C10A0588D178DF491792D3413D87DD" xlink:to="lab_us-gaap_AccumulatedTranslationAdjustmentMember_59C10A0588D178DF491792D3413D87DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_466326CD2F4D94E35E8592D3413DB540_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_466326CD2F4D94E35E8592D3413DB540" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_466326CD2F4D94E35E8592D3413DB540_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_466326CD2F4D94E35E8592D3413DB540" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_466326CD2F4D94E35E8592D3413DB540" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_466326CD2F4D94E35E8592D3413DB540" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_466326CD2F4D94E35E8592D3413DB540" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836C1849559F81112CBF92D3413DD008_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836C1849559F81112CBF92D3413DD008" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836C1849559F81112CBF92D3413DD008_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836C1849559F81112CBF92D3413DD008" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836C1849559F81112CBF92D3413DD008" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836C1849559F81112CBF92D3413DD008" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836C1849559F81112CBF92D3413DD008" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_F066A94C724B2F7131A892D3413D0917_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_F066A94C724B2F7131A892D3413D0917" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Loss on Foreign Currency Derivatives, before Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_F066A94C724B2F7131A892D3413D0917_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_F066A94C724B2F7131A892D3413D0917" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_F066A94C724B2F7131A892D3413D0917" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_F066A94C724B2F7131A892D3413D0917" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_F066A94C724B2F7131A892D3413D0917" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_1690EF9E13ECCB87B9EE92D341435996_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_1690EF9E13ECCB87B9EE92D341435996" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_1690EF9E13ECCB87B9EE92D341435996_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_1690EF9E13ECCB87B9EE92D341435996" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_1690EF9E13ECCB87B9EE92D341435996" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_1690EF9E13ECCB87B9EE92D341435996" xlink:to="lab_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_1690EF9E13ECCB87B9EE92D341435996" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_71E92C61298E8085689492D341439517_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_71E92C61298E8085689492D341439517" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Before Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_71E92C61298E8085689492D341439517_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_71E92C61298E8085689492D341439517" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_71E92C61298E8085689492D341439517" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_71E92C61298E8085689492D341439517" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_71E92C61298E8085689492D341439517" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_EA4CFA35A09BFE16047392D34143B1C5_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_EA4CFA35A09BFE16047392D34143B1C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax</link:label>
    <link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_EA4CFA35A09BFE16047392D34143B1C5_label_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_EA4CFA35A09BFE16047392D34143B1C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_EA4CFA35A09BFE16047392D34143B1C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_EA4CFA35A09BFE16047392D34143B1C5" xlink:to="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_EA4CFA35A09BFE16047392D34143B1C5" xlink:type="arc" />
    <link:label id="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD_terseLabel_en-US" xlink:label="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Foreign Currency Hedge Gain (Loss), Tax</link:label>
    <link:label id="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD_label_en-US" xlink:label="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Foreign Currency Hedge Gain (Loss), Tax</link:label>
    <link:label id="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD_documentation_en-US" xlink:label="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrealized Foreign Currency Hedge Gain (Loss), Tax</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_UnrealizedForeignCurrencyHedgeGainLossTax" xlink:label="loc_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD" xlink:to="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_B72835F41E43BFDF94A392D34143C8AD" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTax_276AEB4ABD0C9977DCB492D34144F496_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTax_276AEB4ABD0C9977DCB492D34144F496" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTax_276AEB4ABD0C9977DCB492D34144F496_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTax_276AEB4ABD0C9977DCB492D34144F496" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_276AEB4ABD0C9977DCB492D34144F496" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_276AEB4ABD0C9977DCB492D34144F496" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossTax_276AEB4ABD0C9977DCB492D34144F496" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_5CC67D2ACE9957B7569A94FF2CA03A90_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_5CC67D2ACE9957B7569A94FF2CA03A90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_5CC67D2ACE9957B7569A94FF2CA03A90" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_5CC67D2ACE9957B7569A94FF2CA03A90" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_5CC67D2ACE9957B7569A94FF2CA03A90" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementTable_39445BFAB5B6FDCEEA1C94FF2CA0853E_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_39445BFAB5B6FDCEEA1C94FF2CA0853E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_us-gaap_StatementTable_39445BFAB5B6FDCEEA1C94FF2CA0853E_label_en-US" xlink:label="lab_us-gaap_StatementTable_39445BFAB5B6FDCEEA1C94FF2CA0853E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_39445BFAB5B6FDCEEA1C94FF2CA0853E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable_39445BFAB5B6FDCEEA1C94FF2CA0853E" xlink:to="lab_us-gaap_StatementTable_39445BFAB5B6FDCEEA1C94FF2CA0853E" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementScenarioAxis_D652A80E93A0E26A23DF94FF2CA16491_terseLabel_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_D652A80E93A0E26A23DF94FF2CA16491" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementScenarioAxis_D652A80E93A0E26A23DF94FF2CA16491_label_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_D652A80E93A0E26A23DF94FF2CA16491" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_D652A80E93A0E26A23DF94FF2CA16491" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementScenarioAxis_D652A80E93A0E26A23DF94FF2CA16491" xlink:to="lab_us-gaap_StatementScenarioAxis_D652A80E93A0E26A23DF94FF2CA16491" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_E3F1E0B768F45E55256994FF2CA12785_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_E3F1E0B768F45E55256994FF2CA12785" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario, Unspecified [Domain]</link:label>
    <link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_E3F1E0B768F45E55256994FF2CA12785_label_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_E3F1E0B768F45E55256994FF2CA12785" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario, Unspecified [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_E3F1E0B768F45E55256994FF2CA12785" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_E3F1E0B768F45E55256994FF2CA12785" xlink:to="lab_us-gaap_ScenarioUnspecifiedDomain_E3F1E0B768F45E55256994FF2CA12785" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementLineItems_FFA2CFDE5E2AE162040294FF2CA24892_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_FFA2CFDE5E2AE162040294FF2CA24892" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_FFA2CFDE5E2AE162040294FF2CA24892" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_FFA2CFDE5E2AE162040294FF2CA24892" xlink:to="lab_us-gaap_StatementLineItems_FFA2CFDE5E2AE162040294FF2CA24892" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredTaxLiabilities_760E235112EF36D7D4AD94FF2CA20880_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilities_760E235112EF36D7D4AD94FF2CA20880" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Net</link:label>
    <link:label id="lab_us-gaap_DeferredTaxLiabilities_760E235112EF36D7D4AD94FF2CA20880_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilities_760E235112EF36D7D4AD94FF2CA20880" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_760E235112EF36D7D4AD94FF2CA20880" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilities_760E235112EF36D7D4AD94FF2CA20880" xlink:to="lab_us-gaap_DeferredTaxLiabilities_760E235112EF36D7D4AD94FF2CA20880" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsAbstract_7481D89292522BA9154D94FF2CA23762_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_7481D89292522BA9154D94FF2CA23762" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Assets:</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_7481D89292522BA9154D94FF2CA23762_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_7481D89292522BA9154D94FF2CA23762" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_7481D89292522BA9154D94FF2CA23762" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_7481D89292522BA9154D94FF2CA23762" xlink:to="lab_us-gaap_AssetsAbstract_7481D89292522BA9154D94FF2CA23762" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_8A7691C57EE17E73777194FF2CA2FC9A_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_8A7691C57EE17E73777194FF2CA2FC9A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current assets:</link:label>
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_8A7691C57EE17E73777194FF2CA2FC9A_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_8A7691C57EE17E73777194FF2CA2FC9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_8A7691C57EE17E73777194FF2CA2FC9A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8A7691C57EE17E73777194FF2CA2FC9A" xlink:to="lab_us-gaap_AssetsCurrentAbstract_8A7691C57EE17E73777194FF2CA2FC9A" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_D5DEC0EF9A7F6698B27594FF2CA34936_verboseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_D5DEC0EF9A7F6698B27594FF2CA34936" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_D5DEC0EF9A7F6698B27594FF2CA34936_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_D5DEC0EF9A7F6698B27594FF2CA34936" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_D5DEC0EF9A7F6698B27594FF2CA34936" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_D5DEC0EF9A7F6698B27594FF2CA34936" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_D5DEC0EF9A7F6698B27594FF2CA34936" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_6D92F56B7C40F9E786F994FF2CA34872_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_6D92F56B7C40F9E786F994FF2CA34872" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, net</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_6D92F56B7C40F9E786F994FF2CA34872_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_6D92F56B7C40F9E786F994FF2CA34872" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Net, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_6D92F56B7C40F9E786F994FF2CA34872" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_6D92F56B7C40F9E786F994FF2CA34872" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_6D92F56B7C40F9E786F994FF2CA34872" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryNet_38237775EDFF788F74FC94FF2CA66BE0_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_38237775EDFF788F74FC94FF2CA66BE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory, Net</link:label>
    <link:label id="lab_us-gaap_InventoryNet_38237775EDFF788F74FC94FF2CA66BE0_label_en-US" xlink:label="lab_us-gaap_InventoryNet_38237775EDFF788F74FC94FF2CA66BE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_38237775EDFF788F74FC94FF2CA66BE0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_38237775EDFF788F74FC94FF2CA66BE0" xlink:to="lab_us-gaap_InventoryNet_38237775EDFF788F74FC94FF2CA66BE0" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_76DAE9E4A4917E90D46994FF2CA6DFFB_terseLabel_en-US" xlink:label="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_76DAE9E4A4917E90D46994FF2CA6DFFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Costs in Excess of Billings, Current</link:label>
    <link:label id="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_76DAE9E4A4917E90D46994FF2CA6DFFB_label_en-US" xlink:label="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_76DAE9E4A4917E90D46994FF2CA6DFFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs in Excess of Billings, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear" xlink:label="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_76DAE9E4A4917E90D46994FF2CA6DFFB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_76DAE9E4A4917E90D46994FF2CA6DFFB" xlink:to="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_76DAE9E4A4917E90D46994FF2CA6DFFB" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_23D3D580EBE02023F16494FF2CA63F0E_verboseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_23D3D580EBE02023F16494FF2CA63F0E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses and other current assets</link:label>
    <link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_23D3D580EBE02023F16494FF2CA63F0E_label_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_23D3D580EBE02023F16494FF2CA63F0E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Expense and Other Assets, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_23D3D580EBE02023F16494FF2CA63F0E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_23D3D580EBE02023F16494FF2CA63F0E" xlink:to="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_23D3D580EBE02023F16494FF2CA63F0E" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsCurrent_34ED038E610842837D8094FF2CA676D4_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_34ED038E610842837D8094FF2CA676D4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_us-gaap_AssetsCurrent_34ED038E610842837D8094FF2CA676D4_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_34ED038E610842837D8094FF2CA676D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_34ED038E610842837D8094FF2CA676D4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_34ED038E610842837D8094FF2CA676D4" xlink:to="lab_us-gaap_AssetsCurrent_34ED038E610842837D8094FF2CA676D4" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_DDD0080FBE6F3A5538A394FF2CA7C738_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_DDD0080FBE6F3A5538A394FF2CA7C738" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Net, Noncurrent</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_DDD0080FBE6F3A5538A394FF2CA7C738_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_DDD0080FBE6F3A5538A394FF2CA7C738" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Net, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_DDD0080FBE6F3A5538A394FF2CA7C738" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_DDD0080FBE6F3A5538A394FF2CA7C738" xlink:to="lab_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_DDD0080FBE6F3A5538A394FF2CA7C738" xlink:type="arc" />
    <link:label id="lab_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE_terseLabel_en-US" xlink:label="lab_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset, Noncurrent</link:label>
    <link:label id="lab_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE_label_en-US" xlink:label="lab_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset, Noncurrent</link:label>
    <link:label id="lab_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE_documentation_en-US" xlink:label="lab_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of lessee's right to use underlying asset under operating lease, noncurrent asset</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_OperatingLeaseRightofUseAssetNoncurrent" xlink:label="loc_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE" xlink:to="lab_cmt_OperatingLeaseRightofUseAssetNoncurrent_FDA472551D1E370EC19694FF2F82E8CE" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_5959AF1B6E3874BAE92594FF2CA72C67_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_5959AF1B6E3874BAE92594FF2CA72C67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_5959AF1B6E3874BAE92594FF2CA72C67_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_5959AF1B6E3874BAE92594FF2CA72C67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_5959AF1B6E3874BAE92594FF2CA72C67" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_5959AF1B6E3874BAE92594FF2CA72C67" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_5959AF1B6E3874BAE92594FF2CA72C67" xlink:type="arc" />
    <link:label id="lab_us-gaap_Goodwill_7A90956835B4A825C3FD94FF2CA74042_verboseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_7A90956835B4A825C3FD94FF2CA74042" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_7A90956835B4A825C3FD94FF2CA74042" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_7A90956835B4A825C3FD94FF2CA74042" xlink:to="lab_us-gaap_Goodwill_7A90956835B4A825C3FD94FF2CA74042" xlink:type="arc" />
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2FE7D661A85D803EFAA994FF2CA7C3E8_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2FE7D661A85D803EFAA994FF2CA7C3E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2FE7D661A85D803EFAA994FF2CA7C3E8_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2FE7D661A85D803EFAA994FF2CA7C3E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_2FE7D661A85D803EFAA994FF2CA7C3E8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_2FE7D661A85D803EFAA994FF2CA7C3E8" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2FE7D661A85D803EFAA994FF2CA7C3E8" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_710B631CE7841E8EFC1394FF2CA8C950_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_710B631CE7841E8EFC1394FF2CA8C950" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Assets, Noncurrent</link:label>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_710B631CE7841E8EFC1394FF2CA8C950_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_710B631CE7841E8EFC1394FF2CA8C950" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_710B631CE7841E8EFC1394FF2CA8C950" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_710B631CE7841E8EFC1394FF2CA8C950" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_710B631CE7841E8EFC1394FF2CA8C950" xlink:type="arc" />
    <link:label id="lab_us-gaap_Assets_E1651D50726C545DA99B94FF2CA8D4FA_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_E1651D50726C545DA99B94FF2CA8D4FA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Assets</link:label>
    <link:label id="lab_us-gaap_Assets_E1651D50726C545DA99B94FF2CA8D4FA_label_en-US" xlink:label="lab_us-gaap_Assets_E1651D50726C545DA99B94FF2CA8D4FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_E1651D50726C545DA99B94FF2CA8D4FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_E1651D50726C545DA99B94FF2CA8D4FA" xlink:to="lab_us-gaap_Assets_E1651D50726C545DA99B94FF2CA8D4FA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C3A7351CDF925FC9B6AB94FF2CA869BB_verboseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C3A7351CDF925FC9B6AB94FF2CA869BB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Liabilities and Stockholders' Equity:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C3A7351CDF925FC9B6AB94FF2CA869BB_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C3A7351CDF925FC9B6AB94FF2CA869BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C3A7351CDF925FC9B6AB94FF2CA869BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C3A7351CDF925FC9B6AB94FF2CA869BB" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C3A7351CDF925FC9B6AB94FF2CA869BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAbstract_085DC0099C5A9DE771FA94FF2CA9D9E9_verboseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_085DC0099C5A9DE771FA94FF2CA9D9E9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Liabilities:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAbstract_085DC0099C5A9DE771FA94FF2CA9D9E9_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_085DC0099C5A9DE771FA94FF2CA9D9E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_085DC0099C5A9DE771FA94FF2CA9D9E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAbstract_085DC0099C5A9DE771FA94FF2CA9D9E9" xlink:to="lab_us-gaap_LiabilitiesAbstract_085DC0099C5A9DE771FA94FF2CA9D9E9" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_3A46D70E4BF6F132D8C294FF2CA9166A_verboseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_3A46D70E4BF6F132D8C294FF2CA9166A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current liabilities:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_3A46D70E4BF6F132D8C294FF2CA9166A_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_3A46D70E4BF6F132D8C294FF2CA9166A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_3A46D70E4BF6F132D8C294FF2CA9166A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_3A46D70E4BF6F132D8C294FF2CA9166A" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract_3A46D70E4BF6F132D8C294FF2CA9166A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCredit_DFE8DFD522B420F00CF994FF2CA96A10_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_DFE8DFD522B420F00CF994FF2CA96A10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving line of credit</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_DFE8DFD522B420F00CF994FF2CA96A10_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_DFE8DFD522B420F00CF994FF2CA96A10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_DFE8DFD522B420F00CF994FF2CA96A10" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_DFE8DFD522B420F00CF994FF2CA96A10" xlink:to="lab_us-gaap_LineOfCredit_DFE8DFD522B420F00CF994FF2CA96A10" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtCurrent_A59E6DFEBD5BF556837994FF2CAA3759_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_A59E6DFEBD5BF556837994FF2CAA3759" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current portion of long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtCurrent_A59E6DFEBD5BF556837994FF2CAA3759_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_A59E6DFEBD5BF556837994FF2CAA3759" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Current Maturities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_A59E6DFEBD5BF556837994FF2CAA3759" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_A59E6DFEBD5BF556837994FF2CAA3759" xlink:to="lab_us-gaap_LongTermDebtCurrent_A59E6DFEBD5BF556837994FF2CAA3759" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsPayableCurrent_658CD6C1400E5EADE54D94FF2CAAA33D_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_658CD6C1400E5EADE54D94FF2CAAA33D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_us-gaap_AccountsPayableCurrent_658CD6C1400E5EADE54D94FF2CAAA33D_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_658CD6C1400E5EADE54D94FF2CAAA33D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_658CD6C1400E5EADE54D94FF2CAAA33D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent_658CD6C1400E5EADE54D94FF2CAAA33D" xlink:to="lab_us-gaap_AccountsPayableCurrent_658CD6C1400E5EADE54D94FF2CAAA33D" xlink:type="arc" />
    <link:label id="lab_us-gaap_BillingsInExcessOfCostCurrent_7B3E87DEAE1F42E22A0C94FF2CAA9844_verboseLabel_en-US" xlink:label="lab_us-gaap_BillingsInExcessOfCostCurrent_7B3E87DEAE1F42E22A0C94FF2CAA9844" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tooling in progress</link:label>
    <link:label id="lab_us-gaap_BillingsInExcessOfCostCurrent_7B3E87DEAE1F42E22A0C94FF2CAA9844_label_en-US" xlink:label="lab_us-gaap_BillingsInExcessOfCostCurrent_7B3E87DEAE1F42E22A0C94FF2CAA9844" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Billings in Excess of Cost, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BillingsInExcessOfCostCurrent" xlink:label="loc_us-gaap_BillingsInExcessOfCostCurrent_7B3E87DEAE1F42E22A0C94FF2CAA9844" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BillingsInExcessOfCostCurrent_7B3E87DEAE1F42E22A0C94FF2CAA9844" xlink:to="lab_us-gaap_BillingsInExcessOfCostCurrent_7B3E87DEAE1F42E22A0C94FF2CAA9844" xlink:type="arc" />
    <link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityCurrent_8A4EB72F65D0B5C5D93E94FF2CAAE720_verboseLabel_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityCurrent_8A4EB72F65D0B5C5D93E94FF2CAAE720" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current portion of post retirement benefits liability</link:label>
    <link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityCurrent_8A4EB72F65D0B5C5D93E94FF2CAAE720_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityCurrent_8A4EB72F65D0B5C5D93E94FF2CAAE720" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Postemployment Benefits Liability, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PostemploymentBenefitsLiabilityCurrent" xlink:label="loc_us-gaap_PostemploymentBenefitsLiabilityCurrent_8A4EB72F65D0B5C5D93E94FF2CAAE720" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PostemploymentBenefitsLiabilityCurrent_8A4EB72F65D0B5C5D93E94FF2CAAE720" xlink:to="lab_us-gaap_PostemploymentBenefitsLiabilityCurrent_8A4EB72F65D0B5C5D93E94FF2CAAE720" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccruedLiabilitiesCurrentAbstract_195447A0931A9B8B7DD694FF2CAA539E_verboseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrentAbstract_195447A0931A9B8B7DD694FF2CAA539E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accrued liabilities:</link:label>
    <link:label id="lab_us-gaap_AccruedLiabilitiesCurrentAbstract_195447A0931A9B8B7DD694FF2CAA539E_label_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrentAbstract_195447A0931A9B8B7DD694FF2CAA539E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Liabilities, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_195447A0931A9B8B7DD694FF2CAA539E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_195447A0931A9B8B7DD694FF2CAA539E" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrentAbstract_195447A0931A9B8B7DD694FF2CAA539E" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_14E7EDDABE0C168248EA94FF2CABB91E_verboseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_14E7EDDABE0C168248EA94FF2CABB91E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Compensation and related benefits</link:label>
    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_14E7EDDABE0C168248EA94FF2CABB91E_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_14E7EDDABE0C168248EA94FF2CABB91E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee-related Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_14E7EDDABE0C168248EA94FF2CABB91E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_14E7EDDABE0C168248EA94FF2CABB91E" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_14E7EDDABE0C168248EA94FF2CABB91E" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_C61438A5D10EBBD135BE94FF2CAB1F80_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_C61438A5D10EBBD135BE94FF2CAB1F80" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_C61438A5D10EBBD135BE94FF2CAB1F80_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_C61438A5D10EBBD135BE94FF2CAB1F80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_C61438A5D10EBBD135BE94FF2CAB1F80" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_C61438A5D10EBBD135BE94FF2CAB1F80" xlink:to="lab_us-gaap_OtherLiabilitiesCurrent_C61438A5D10EBBD135BE94FF2CAB1F80" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesCurrent_2498A62966C0E79101E994FF2CABFA3F_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_2498A62966C0E79101E994FF2CABFA3F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_2498A62966C0E79101E994FF2CABFA3F_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_2498A62966C0E79101E994FF2CABFA3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_2498A62966C0E79101E994FF2CABFA3F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent_2498A62966C0E79101E994FF2CABFA3F" xlink:to="lab_us-gaap_LiabilitiesCurrent_2498A62966C0E79101E994FF2CABFA3F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_56089364CDC679543FEC94FFA755A452_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_56089364CDC679543FEC94FFA755A452" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Noncurrent</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_56089364CDC679543FEC94FFA755A452_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_56089364CDC679543FEC94FFA755A452" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_56089364CDC679543FEC94FFA755A452" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_56089364CDC679543FEC94FFA755A452" xlink:to="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_56089364CDC679543FEC94FFA755A452" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_FDA258EDC017E1E799C594FF2CABA085_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_FDA258EDC017E1E799C594FF2CABA085" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_FDA258EDC017E1E799C594FF2CABA085_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_FDA258EDC017E1E799C594FF2CABA085" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_FDA258EDC017E1E799C594FF2CABA085" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_FDA258EDC017E1E799C594FF2CABA085" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_FDA258EDC017E1E799C594FF2CABA085" xlink:type="arc" />
    <link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_42F13CF4F29E356A482494FF2CACC8A6_verboseLabel_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_42F13CF4F29E356A482494FF2CACC8A6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Post retirement benefits liability</link:label>
    <link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_42F13CF4F29E356A482494FF2CACC8A6_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_42F13CF4F29E356A482494FF2CACC8A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Postemployment Benefits Liability, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PostemploymentBenefitsLiabilityNoncurrent" xlink:label="loc_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_42F13CF4F29E356A482494FF2CACC8A6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_42F13CF4F29E356A482494FF2CACC8A6" xlink:to="lab_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_42F13CF4F29E356A482494FF2CACC8A6" xlink:type="arc" />
    <link:label id="lab_us-gaap_Liabilities_62A90BB1840688E0B8A294FF2CACF496_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_62A90BB1840688E0B8A294FF2CACF496" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Liabilities</link:label>
    <link:label id="lab_us-gaap_Liabilities_62A90BB1840688E0B8A294FF2CACF496_label_en-US" xlink:label="lab_us-gaap_Liabilities_62A90BB1840688E0B8A294FF2CACF496" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_62A90BB1840688E0B8A294FF2CACF496" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities_62A90BB1840688E0B8A294FF2CACF496" xlink:to="lab_us-gaap_Liabilities_62A90BB1840688E0B8A294FF2CACF496" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_5CDD3B429F980C693B2C94FF2CAC7551_verboseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_5CDD3B429F980C693B2C94FF2CAC7551" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stockholders' Equity:</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_5CDD3B429F980C693B2C94FF2CAC7551_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_5CDD3B429F980C693B2C94FF2CAC7551" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_5CDD3B429F980C693B2C94FF2CAC7551" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_5CDD3B429F980C693B2C94FF2CAC7551" xlink:to="lab_us-gaap_StockholdersEquityAbstract_5CDD3B429F980C693B2C94FF2CAC7551" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockValue_6623858BE2D1027A0F8894FF2CAC34C8_negatedLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_6623858BE2D1027A0F8894FF2CAC34C8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Preferred stock &#8212; $0.01 par value, authorized shares &#8212; 10,000,000; no shares outstanding at March 31, 2019 and December 31, 2018</link:label>
    <link:label id="lab_us-gaap_PreferredStockValue_6623858BE2D1027A0F8894FF2CAC34C8_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_6623858BE2D1027A0F8894FF2CAC34C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_6623858BE2D1027A0F8894FF2CAC34C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_6623858BE2D1027A0F8894FF2CAC34C8" xlink:to="lab_us-gaap_PreferredStockValue_6623858BE2D1027A0F8894FF2CAC34C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockValue_80809DC4F96E339604B294FF2CAD662A_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_80809DC4F96E339604B294FF2CAD662A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common stock &#8212; $0.01 par value, authorized shares &#8211; 20,000,000; outstanding shares: 7,785,161 at March 31, 2019 and 7,776,164 December 31, 2018</link:label>
    <link:label id="lab_us-gaap_CommonStockValue_80809DC4F96E339604B294FF2CAD662A_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_80809DC4F96E339604B294FF2CAD662A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Value, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_80809DC4F96E339604B294FF2CAD662A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue_80809DC4F96E339604B294FF2CAD662A" xlink:to="lab_us-gaap_CommonStockValue_80809DC4F96E339604B294FF2CAD662A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_4848790E3F46C25F4DD394FF2CADF902_verboseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_4848790E3F46C25F4DD394FF2CADF902" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Paid-in capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_4848790E3F46C25F4DD394FF2CADF902_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_4848790E3F46C25F4DD394FF2CADF902" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital, Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_4848790E3F46C25F4DD394FF2CADF902" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock_4848790E3F46C25F4DD394FF2CADF902" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock_4848790E3F46C25F4DD394FF2CADF902" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_B7D5DD8DEC6B913C9B1394FF2CAD850D_verboseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_B7D5DD8DEC6B913C9B1394FF2CAD850D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income, net of income taxes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_B7D5DD8DEC6B913C9B1394FF2CAD850D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_B7D5DD8DEC6B913C9B1394FF2CAD850D" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_B7D5DD8DEC6B913C9B1394FF2CAD850D" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockValue_C8D6A7F5A7E5AC9469ED94FF2CAD0741_negatedLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_C8D6A7F5A7E5AC9469ED94FF2CAD0741" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Treasury stock</link:label>
    <link:label id="lab_us-gaap_TreasuryStockValue_C8D6A7F5A7E5AC9469ED94FF2CAD0741_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_C8D6A7F5A7E5AC9469ED94FF2CAD0741" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_C8D6A7F5A7E5AC9469ED94FF2CAD0741" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValue_C8D6A7F5A7E5AC9469ED94FF2CAD0741" xlink:to="lab_us-gaap_TreasuryStockValue_C8D6A7F5A7E5AC9469ED94FF2CAD0741" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_B7EC7EBFEC2132E4215794FF2CAEA7FA_verboseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_B7EC7EBFEC2132E4215794FF2CAEA7FA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_B7EC7EBFEC2132E4215794FF2CAEA7FA_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_B7EC7EBFEC2132E4215794FF2CAEA7FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_B7EC7EBFEC2132E4215794FF2CAEA7FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_B7EC7EBFEC2132E4215794FF2CAEA7FA" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_B7EC7EBFEC2132E4215794FF2CAEA7FA" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_974D62E13813491F00D594FF2CAE8A20_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_974D62E13813491F00D594FF2CAE8A20" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Stockholders' Equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_974D62E13813491F00D594FF2CAE8A20_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_974D62E13813491F00D594FF2CAE8A20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_974D62E13813491F00D594FF2CAE8A20" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_974D62E13813491F00D594FF2CAE8A20" xlink:to="lab_us-gaap_StockholdersEquity_974D62E13813491F00D594FF2CAE8A20" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_8A41B1AAB30D3785A0C094FF2CAE4A2B_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_8A41B1AAB30D3785A0C094FF2CAE4A2B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Liabilities and Stockholders' Equity</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_8A41B1AAB30D3785A0C094FF2CAE4A2B_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_8A41B1AAB30D3785A0C094FF2CAE4A2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_8A41B1AAB30D3785A0C094FF2CAE4A2B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8A41B1AAB30D3785A0C094FF2CAE4A2B" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_8A41B1AAB30D3785A0C094FF2CAE4A2B" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_4AF03FA49416DC2E5F2794FF2CAE59B1_verboseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_4AF03FA49416DC2E5F2794FF2CAE59B1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_4AF03FA49416DC2E5F2794FF2CAE59B1_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_4AF03FA49416DC2E5F2794FF2CAE59B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4AF03FA49416DC2E5F2794FF2CAE59B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_4AF03FA49416DC2E5F2794FF2CAE59B1" xlink:to="lab_us-gaap_CommitmentsAndContingencies_4AF03FA49416DC2E5F2794FF2CAE59B1" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationAbstract_79C7FE4CF44FDE9CA06E2289BD8BEE05_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationAbstract_79C7FE4CF44FDE9CA06E2289BD8BEE05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationAbstract_79C7FE4CF44FDE9CA06E2289BD8BEE05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationAbstract_79C7FE4CF44FDE9CA06E2289BD8BEE05" xlink:to="lab_us-gaap_ShareBasedCompensationAbstract_79C7FE4CF44FDE9CA06E2289BD8BEE05" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1E4EF4ECEEB58C1834CE2289BD8B40BE_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1E4EF4ECEEB58C1834CE2289BD8B40BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1E4EF4ECEEB58C1834CE2289BD8B40BE_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1E4EF4ECEEB58C1834CE2289BD8B40BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1E4EF4ECEEB58C1834CE2289BD8B40BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1E4EF4ECEEB58C1834CE2289BD8B40BE" xlink:to="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1E4EF4ECEEB58C1834CE2289BD8B40BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_NumberOfReportingUnits_723668DE3DA8DA9B9ECB951AB757ABDA_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportingUnits_723668DE3DA8DA9B9ECB951AB757ABDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Reporting Units</link:label>
    <link:label id="lab_us-gaap_NumberOfReportingUnits_723668DE3DA8DA9B9ECB951AB757ABDA_label_en-US" xlink:label="lab_us-gaap_NumberOfReportingUnits_723668DE3DA8DA9B9ECB951AB757ABDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Reporting Units</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfReportingUnits" xlink:label="loc_us-gaap_NumberOfReportingUnits_723668DE3DA8DA9B9ECB951AB757ABDA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfReportingUnits_723668DE3DA8DA9B9ECB951AB757ABDA" xlink:to="lab_us-gaap_NumberOfReportingUnits_723668DE3DA8DA9B9ECB951AB757ABDA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D39A41FD04CF59312C73951A3B0F072B_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D39A41FD04CF59312C73951A3B0F072B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Net Periodic Benefit Cost (Credit)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D39A41FD04CF59312C73951A3B0F072B_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D39A41FD04CF59312C73951A3B0F072B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Net Periodic Benefit Cost (Credit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D39A41FD04CF59312C73951A3B0F072B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D39A41FD04CF59312C73951A3B0F072B" xlink:to="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D39A41FD04CF59312C73951A3B0F072B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ContractWithCustomerAssetNet_C6EA4E3F8D6A919B7337951A3B0F6C25_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNet_C6EA4E3F8D6A919B7337951A3B0F6C25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract with Customer, Asset, Net</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerAssetNet_C6EA4E3F8D6A919B7337951A3B0F6C25_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNet_C6EA4E3F8D6A919B7337951A3B0F6C25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Asset, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_C6EA4E3F8D6A919B7337951A3B0F6C25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerAssetNet_C6EA4E3F8D6A919B7337951A3B0F6C25" xlink:to="lab_us-gaap_ContractWithCustomerAssetNet_C6EA4E3F8D6A919B7337951A3B0F6C25" xlink:type="arc" />
    <link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_5409C3214E4F028B9F6B951A3B1019BE_terseLabel_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_5409C3214E4F028B9F6B951A3B1019BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Postemployment Benefits Liability</link:label>
    <link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_5409C3214E4F028B9F6B951A3B1019BE_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_5409C3214E4F028B9F6B951A3B1019BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Postemployment Benefits Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_5409C3214E4F028B9F6B951A3B1019BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_5409C3214E4F028B9F6B951A3B1019BE" xlink:to="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_5409C3214E4F028B9F6B951A3B1019BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_SelfInsuranceReserve_F05D1D1B8C34E2DEAEE8951A3B102450_terseLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_F05D1D1B8C34E2DEAEE8951A3B102450" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Self Insurance Reserve</link:label>
    <link:label id="lab_us-gaap_SelfInsuranceReserve_F05D1D1B8C34E2DEAEE8951A3B102450_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_F05D1D1B8C34E2DEAEE8951A3B102450" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Self Insurance Reserve</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SelfInsuranceReserve" xlink:label="loc_us-gaap_SelfInsuranceReserve_F05D1D1B8C34E2DEAEE8951A3B102450" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReserve_F05D1D1B8C34E2DEAEE8951A3B102450" xlink:to="lab_us-gaap_SelfInsuranceReserve_F05D1D1B8C34E2DEAEE8951A3B102450" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_AC40EF486991E47B87B6951BFA86C52A_terseLabel_en-US" xlink:label="lab_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_AC40EF486991E47B87B6951BFA86C52A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount</link:label>
    <link:label id="lab_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_AC40EF486991E47B87B6951BFA86C52A_label_en-US" xlink:label="lab_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_AC40EF486991E47B87B6951BFA86C52A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount" xlink:label="loc_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_AC40EF486991E47B87B6951BFA86C52A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_AC40EF486991E47B87B6951BFA86C52A" xlink:to="lab_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_AC40EF486991E47B87B6951BFA86C52A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetImpairmentCharges_221EB46DE0F6CC795017951A3B119C99_terseLabel_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges_221EB46DE0F6CC795017951A3B119C99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asset Impairment Charges</link:label>
    <link:label id="lab_us-gaap_AssetImpairmentCharges_221EB46DE0F6CC795017951A3B119C99_label_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges_221EB46DE0F6CC795017951A3B119C99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset Impairment Charges</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_221EB46DE0F6CC795017951A3B119C99" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetImpairmentCharges_221EB46DE0F6CC795017951A3B119C99" xlink:to="lab_us-gaap_AssetImpairmentCharges_221EB46DE0F6CC795017951A3B119C99" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryValuationReserves_0B9A6D3F72C88377D881951A3B116539_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryValuationReserves_0B9A6D3F72C88377D881951A3B116539" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory Valuation Reserves</link:label>
    <link:label id="lab_us-gaap_InventoryValuationReserves_0B9A6D3F72C88377D881951A3B116539_label_en-US" xlink:label="lab_us-gaap_InventoryValuationReserves_0B9A6D3F72C88377D881951A3B116539" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Valuation Reserves</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="loc_us-gaap_InventoryValuationReserves_0B9A6D3F72C88377D881951A3B116539" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryValuationReserves_0B9A6D3F72C88377D881951A3B116539" xlink:to="lab_us-gaap_InventoryValuationReserves_0B9A6D3F72C88377D881951A3B116539" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_F6E6C4763F76F8781679951A3B118535_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_F6E6C4763F76F8781679951A3B118535" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Doubtful Accounts Receivable</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_F6E6C4763F76F8781679951A3B118535_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_F6E6C4763F76F8781679951A3B118535" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for Doubtful Accounts Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_F6E6C4763F76F8781679951A3B118535" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_F6E6C4763F76F8781679951A3B118535" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_F6E6C4763F76F8781679951A3B118535" xlink:type="arc" />
    <link:label id="lab_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D_terseLabel_en-US" xlink:label="lab_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Allowance for Chargebacks</link:label>
    <link:label id="lab_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D_label_en-US" xlink:label="lab_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Allowance for Chargebacks</link:label>
    <link:label id="lab_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D_documentation_en-US" xlink:label="lab_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Allowance for Chargebacks</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_AccountsReceivableAllowanceForChargebacks" xlink:label="loc_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D" xlink:to="lab_cmt_AccountsReceivableAllowanceForChargebacks_ADCE9F79B62B8DF4032E951A3B11712D" xlink:type="arc" />
    <link:label id="lab_us-gaap_ContractWithCustomerLiability_5C9159848B496ED37E1D951A3B124921_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_5C9159848B496ED37E1D951A3B124921" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerLiability_5C9159848B496ED37E1D951A3B124921_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_5C9159848B496ED37E1D951A3B124921" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:label="loc_us-gaap_ContractWithCustomerLiability_5C9159848B496ED37E1D951A3B124921" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiability_5C9159848B496ED37E1D951A3B124921" xlink:to="lab_us-gaap_ContractWithCustomerLiability_5C9159848B496ED37E1D951A3B124921" xlink:type="arc" />
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_C79653745862372E7C70951A3B1353C1_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_C79653745862372E7C70951A3B1353C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability, Revenue Recognized</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_C79653745862372E7C70951A3B1353C1_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_C79653745862372E7C70951A3B1353C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability, Revenue Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_C79653745862372E7C70951A3B1353C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_C79653745862372E7C70951A3B1353C1" xlink:to="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_C79653745862372E7C70951A3B1353C1" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_91FEAB8F9BD50A05D329952E650CA0D6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_91FEAB8F9BD50A05D329952E650CA0D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_91FEAB8F9BD50A05D329952E650CA0D6_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_91FEAB8F9BD50A05D329952E650CA0D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:label="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_91FEAB8F9BD50A05D329952E650CA0D6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_91FEAB8F9BD50A05D329952E650CA0D6" xlink:to="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_91FEAB8F9BD50A05D329952E650CA0D6" xlink:type="arc" />
    <link:label id="lab_srt_MinimumMember_CE488EC9C44AFD732BAC952E650ED375_terseLabel_en-US" xlink:label="lab_srt_MinimumMember_CE488EC9C44AFD732BAC952E650ED375" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:label id="lab_srt_MinimumMember_CE488EC9C44AFD732BAC952E650ED375_label_en-US" xlink:label="lab_srt_MinimumMember_CE488EC9C44AFD732BAC952E650ED375" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_CE488EC9C44AFD732BAC952E650ED375" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember_CE488EC9C44AFD732BAC952E650ED375" xlink:to="lab_srt_MinimumMember_CE488EC9C44AFD732BAC952E650ED375" xlink:type="arc" />
    <link:label id="lab_srt_MaximumMember_8A499678082B77381BFE952E650E08CB_terseLabel_en-US" xlink:label="lab_srt_MaximumMember_8A499678082B77381BFE952E650E08CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:label id="lab_srt_MaximumMember_8A499678082B77381BFE952E650E08CB_label_en-US" xlink:label="lab_srt_MaximumMember_8A499678082B77381BFE952E650E08CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_8A499678082B77381BFE952E650E08CB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember_8A499678082B77381BFE952E650E08CB" xlink:to="lab_srt_MaximumMember_8A499678082B77381BFE952E650E08CB" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DEDA706411C61B004D9E952E650F7CF9_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DEDA706411C61B004D9E952E650F7CF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DEDA706411C61B004D9E952E650F7CF9_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DEDA706411C61B004D9E952E650F7CF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DEDA706411C61B004D9E952E650F7CF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DEDA706411C61B004D9E952E650F7CF9" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DEDA706411C61B004D9E952E650F7CF9" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_58C8140C134DE33D45DA952E650F2AE0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_58C8140C134DE33D45DA952E650F2AE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_58C8140C134DE33D45DA952E650F2AE0_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_58C8140C134DE33D45DA952E650F2AE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_58C8140C134DE33D45DA952E650F2AE0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_58C8140C134DE33D45DA952E650F2AE0" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_58C8140C134DE33D45DA952E650F2AE0" xlink:type="arc" />
    <link:label id="lab_us-gaap_TradeNamesMember_280B5E3819AB894D3B63952E650F363A_terseLabel_en-US" xlink:label="lab_us-gaap_TradeNamesMember_280B5E3819AB894D3B63952E650F363A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade Names [Member]</link:label>
    <link:label id="lab_us-gaap_TradeNamesMember_280B5E3819AB894D3B63952E650F363A_label_en-US" xlink:label="lab_us-gaap_TradeNamesMember_280B5E3819AB894D3B63952E650F363A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Names [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_280B5E3819AB894D3B63952E650F363A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradeNamesMember_280B5E3819AB894D3B63952E650F363A" xlink:to="lab_us-gaap_TradeNamesMember_280B5E3819AB894D3B63952E650F363A" xlink:type="arc" />
    <link:label id="lab_us-gaap_TrademarksMember_EC499686DA9C382167D2952E65107983_terseLabel_en-US" xlink:label="lab_us-gaap_TrademarksMember_EC499686DA9C382167D2952E65107983" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trademarks [Member]</link:label>
    <link:label id="lab_us-gaap_TrademarksMember_EC499686DA9C382167D2952E65107983_label_en-US" xlink:label="lab_us-gaap_TrademarksMember_EC499686DA9C382167D2952E65107983" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trademarks [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TrademarksMember" xlink:label="loc_us-gaap_TrademarksMember_EC499686DA9C382167D2952E65107983" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TrademarksMember_EC499686DA9C382167D2952E65107983" xlink:to="lab_us-gaap_TrademarksMember_EC499686DA9C382167D2952E65107983" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoncompeteAgreementsMember_1AF83E811DE26A41F8DA952E65107034_terseLabel_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_1AF83E811DE26A41F8DA952E65107034" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncompete Agreements [Member]</link:label>
    <link:label id="lab_us-gaap_NoncompeteAgreementsMember_1AF83E811DE26A41F8DA952E65107034_label_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_1AF83E811DE26A41F8DA952E65107034" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncompete Agreements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_1AF83E811DE26A41F8DA952E65107034" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncompeteAgreementsMember_1AF83E811DE26A41F8DA952E65107034" xlink:to="lab_us-gaap_NoncompeteAgreementsMember_1AF83E811DE26A41F8DA952E65107034" xlink:type="arc" />
    <link:label id="lab_us-gaap_DevelopedTechnologyRightsMember_F649ED04E5DAB9E702D3952E6510A653_terseLabel_en-US" xlink:label="lab_us-gaap_DevelopedTechnologyRightsMember_F649ED04E5DAB9E702D3952E6510A653" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Developed Technology Rights [Member]</link:label>
    <link:label id="lab_us-gaap_DevelopedTechnologyRightsMember_F649ED04E5DAB9E702D3952E6510A653_label_en-US" xlink:label="lab_us-gaap_DevelopedTechnologyRightsMember_F649ED04E5DAB9E702D3952E6510A653" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Developed Technology Rights [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_F649ED04E5DAB9E702D3952E6510A653" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DevelopedTechnologyRightsMember_F649ED04E5DAB9E702D3952E6510A653" xlink:to="lab_us-gaap_DevelopedTechnologyRightsMember_F649ED04E5DAB9E702D3952E6510A653" xlink:type="arc" />
    <link:label id="lab_us-gaap_CustomerRelationshipsMember_EFEBC2833CEBC068E817952E6511FC58_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_EFEBC2833CEBC068E817952E6511FC58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer Relationships [Member]</link:label>
    <link:label id="lab_us-gaap_CustomerRelationshipsMember_EFEBC2833CEBC068E817952E6511FC58_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_EFEBC2833CEBC068E817952E6511FC58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Relationships [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_EFEBC2833CEBC068E817952E6511FC58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CustomerRelationshipsMember_EFEBC2833CEBC068E817952E6511FC58" xlink:to="lab_us-gaap_CustomerRelationshipsMember_EFEBC2833CEBC068E817952E6511FC58" xlink:type="arc" />
    <link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_2A0D8CB84ACCBF6F9FF6952E6511851A_terseLabel_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_2A0D8CB84ACCBF6F9FF6952E6511851A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_2A0D8CB84ACCBF6F9FF6952E6511851A_label_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_2A0D8CB84ACCBF6F9FF6952E6511851A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquired Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_2A0D8CB84ACCBF6F9FF6952E6511851A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_2A0D8CB84ACCBF6F9FF6952E6511851A" xlink:to="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_2A0D8CB84ACCBF6F9FF6952E6511851A" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_8488D8BF2A286344213B952E65163890_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_8488D8BF2A286344213B952E65163890" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_8488D8BF2A286344213B952E65163890_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_8488D8BF2A286344213B952E65163890" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_8488D8BF2A286344213B952E65163890" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_8488D8BF2A286344213B952E65163890" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_8488D8BF2A286344213B952E65163890" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_367D2AB269A85058700A952E6517B13E_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_367D2AB269A85058700A952E6517B13E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_367D2AB269A85058700A952E6517B13E_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_367D2AB269A85058700A952E6517B13E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_367D2AB269A85058700A952E6517B13E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_367D2AB269A85058700A952E6517B13E" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_367D2AB269A85058700A952E6517B13E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_548C3E7D98DA09A5D858952E65175861_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_548C3E7D98DA09A5D858952E65175861" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_548C3E7D98DA09A5D858952E65175861_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_548C3E7D98DA09A5D858952E65175861" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_548C3E7D98DA09A5D858952E65175861" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_548C3E7D98DA09A5D858952E65175861" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_548C3E7D98DA09A5D858952E65175861" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_4B6F1683DD2348C6CA47952E65187F19_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_4B6F1683DD2348C6CA47952E65187F19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_4B6F1683DD2348C6CA47952E65187F19_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_4B6F1683DD2348C6CA47952E65187F19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4B6F1683DD2348C6CA47952E65187F19" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4B6F1683DD2348C6CA47952E65187F19" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_4B6F1683DD2348C6CA47952E65187F19" xlink:type="arc" />
    <link:label id="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_BCBD6C77BFC1709CCF242289BF922660_label_en-US" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_BCBD6C77BFC1709CCF242289BF922660" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Benefits [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_BCBD6C77BFC1709CCF242289BF922660" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_BCBD6C77BFC1709CCF242289BF922660" xlink:to="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_BCBD6C77BFC1709CCF242289BF922660" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8A3F48C016BD889AC8272289BF93FF90_verboseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8A3F48C016BD889AC8272289BF93FF90" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Post Retirement Benefits</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8A3F48C016BD889AC8272289BF93FF90_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8A3F48C016BD889AC8272289BF93FF90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension and Other Postretirement Benefits Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8A3F48C016BD889AC8272289BF93FF90" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8A3F48C016BD889AC8272289BF93FF90" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8A3F48C016BD889AC8272289BF93FF90" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_FF87B293C3985917C65B2289BDF88C69_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_FF87B293C3985917C65B2289BDF88C69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_FF87B293C3985917C65B2289BDF88C69" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract_FF87B293C3985917C65B2289BDF88C69" xlink:to="lab_us-gaap_DebtDisclosureAbstract_FF87B293C3985917C65B2289BDF88C69" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E8D6C7DF6E67FFB68D0D2289BDF81E18_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E8D6C7DF6E67FFB68D0D2289BDF81E18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Long-term Debt [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E8D6C7DF6E67FFB68D0D2289BDF81E18_label_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E8D6C7DF6E67FFB68D0D2289BDF81E18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Long-term Debt [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E8D6C7DF6E67FFB68D0D2289BDF81E18" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E8D6C7DF6E67FFB68D0D2289BDF81E18" xlink:to="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E8D6C7DF6E67FFB68D0D2289BDF81E18" xlink:type="arc" />
    <link:label id="lab_us-gaap_TableTextBlockSupplementAbstract_499B7F13847CA39D77B42289BDF863E6_terseLabel_en-US" xlink:label="lab_us-gaap_TableTextBlockSupplementAbstract_499B7F13847CA39D77B42289BDF863E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Table Text Block Supplemental [Abstract]</link:label>
    <link:label id="lab_us-gaap_TableTextBlockSupplementAbstract_499B7F13847CA39D77B42289BDF863E6_label_en-US" xlink:label="lab_us-gaap_TableTextBlockSupplementAbstract_499B7F13847CA39D77B42289BDF863E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Table Text Block Supplement [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TableTextBlockSupplementAbstract" xlink:label="loc_us-gaap_TableTextBlockSupplementAbstract_499B7F13847CA39D77B42289BDF863E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TableTextBlockSupplementAbstract_499B7F13847CA39D77B42289BDF863E6" xlink:to="lab_us-gaap_TableTextBlockSupplementAbstract_499B7F13847CA39D77B42289BDF863E6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_E10B1C9C3D28D9E8B4AF2289BDF9D953_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock_E10B1C9C3D28D9E8B4AF2289BDF9D953" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Debt</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_E10B1C9C3D28D9E8B4AF2289BDF9D953_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock_E10B1C9C3D28D9E8B4AF2289BDF9D953" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Debt [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtTableTextBlock_E10B1C9C3D28D9E8B4AF2289BDF9D953" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtTableTextBlock_E10B1C9C3D28D9E8B4AF2289BDF9D953" xlink:to="lab_us-gaap_ScheduleOfDebtTableTextBlock_E10B1C9C3D28D9E8B4AF2289BDF9D953" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_171CDF7C1AA38AE098472289BDD986F3_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_171CDF7C1AA38AE098472289BDD986F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_171CDF7C1AA38AE098472289BDD986F3_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_171CDF7C1AA38AE098472289BDD986F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_171CDF7C1AA38AE098472289BDD986F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_171CDF7C1AA38AE098472289BDD986F3" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_171CDF7C1AA38AE098472289BDD986F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0BE67B28F801E93DA02E2289BE78509F_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0BE67B28F801E93DA02E2289BE78509F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0BE67B28F801E93DA02E2289BE78509F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0BE67B28F801E93DA02E2289BE78509F" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0BE67B28F801E93DA02E2289BE78509F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_63D871ACCAEFC23F21692289BE78648E_verboseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_63D871ACCAEFC23F21692289BE78648E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation</link:label>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_63D871ACCAEFC23F21692289BE78648E_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_63D871ACCAEFC23F21692289BE78648E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_63D871ACCAEFC23F21692289BE78648E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_63D871ACCAEFC23F21692289BE78648E" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_63D871ACCAEFC23F21692289BE78648E" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryDisclosureAbstract_D9A3D46A77C98D4DD3D12289BF478FF4_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureAbstract_D9A3D46A77C98D4DD3D12289BF478FF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_D9A3D46A77C98D4DD3D12289BF478FF4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_D9A3D46A77C98D4DD3D12289BF478FF4" xlink:to="lab_us-gaap_InventoryDisclosureAbstract_D9A3D46A77C98D4DD3D12289BF478FF4" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5EA9E4619FAF6931E2D42289BF479335_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5EA9E4619FAF6931E2D42289BF479335" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Inventory, Current [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5EA9E4619FAF6931E2D42289BF479335_label_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5EA9E4619FAF6931E2D42289BF479335" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Inventory, Current [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5EA9E4619FAF6931E2D42289BF479335" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5EA9E4619FAF6931E2D42289BF479335" xlink:to="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5EA9E4619FAF6931E2D42289BF479335" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_B978A964F3F252ECEB872289BD4BC964_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_B978A964F3F252ECEB872289BD4BC964" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_B978A964F3F252ECEB872289BD4BC964_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_B978A964F3F252ECEB872289BD4BC964" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_B978A964F3F252ECEB872289BD4BC964" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock_B978A964F3F252ECEB872289BD4BC964" xlink:to="lab_us-gaap_DebtDisclosureTextBlock_B978A964F3F252ECEB872289BD4BC964" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentTable_22D952B14B7FFADA32A694248B6A09CB_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_22D952B14B7FFADA32A694248B6A09CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_22D952B14B7FFADA32A694248B6A09CB_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_22D952B14B7FFADA32A694248B6A09CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_22D952B14B7FFADA32A694248B6A09CB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable_22D952B14B7FFADA32A694248B6A09CB" xlink:to="lab_us-gaap_DebtInstrumentTable_22D952B14B7FFADA32A694248B6A09CB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScenarioForecastMember_77F58129A62E14FD4B4894248B6BD1E9_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioForecastMember_77F58129A62E14FD4B4894248B6BD1E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario, Forecast [Member]</link:label>
    <link:label id="lab_us-gaap_ScenarioForecastMember_77F58129A62E14FD4B4894248B6BD1E9_label_en-US" xlink:label="lab_us-gaap_ScenarioForecastMember_77F58129A62E14FD4B4894248B6BD1E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario, Forecast [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_77F58129A62E14FD4B4894248B6BD1E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioForecastMember_77F58129A62E14FD4B4894248B6BD1E9" xlink:to="lab_us-gaap_ScenarioForecastMember_77F58129A62E14FD4B4894248B6BD1E9" xlink:type="arc" />
    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_7A81B66D767CE981D17D94248B6B213F_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_7A81B66D767CE981D17D94248B6B213F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_7A81B66D767CE981D17D94248B6B213F_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_7A81B66D767CE981D17D94248B6B213F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_7A81B66D767CE981D17D94248B6B213F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_7A81B66D767CE981D17D94248B6B213F" xlink:to="lab_us-gaap_BalanceSheetLocationAxis_7A81B66D767CE981D17D94248B6B213F" xlink:type="arc" />
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_830F43F6F8EE9A9C085A94248B6BBF4D_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_830F43F6F8EE9A9C085A94248B6BBF4D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_830F43F6F8EE9A9C085A94248B6BBF4D_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_830F43F6F8EE9A9C085A94248B6BBF4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_830F43F6F8EE9A9C085A94248B6BBF4D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_830F43F6F8EE9A9C085A94248B6BBF4D" xlink:to="lab_us-gaap_BalanceSheetLocationDomain_830F43F6F8EE9A9C085A94248B6BBF4D" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilityMember_E37B1862F8D6716CE3DC94248B6C221A_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilityMember_E37B1862F8D6716CE3DC94248B6C221A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liability [Member]</link:label>
    <link:label id="lab_us-gaap_LiabilityMember_E37B1862F8D6716CE3DC94248B6C221A_label_en-US" xlink:label="lab_us-gaap_LiabilityMember_E37B1862F8D6716CE3DC94248B6C221A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilityMember" xlink:label="loc_us-gaap_LiabilityMember_E37B1862F8D6716CE3DC94248B6C221A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilityMember_E37B1862F8D6716CE3DC94248B6C221A" xlink:to="lab_us-gaap_LiabilityMember_E37B1862F8D6716CE3DC94248B6C221A" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentAxis_560CFC5498EF47ADC58E94248B6DEB03_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_560CFC5498EF47ADC58E94248B6DEB03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_560CFC5498EF47ADC58E94248B6DEB03_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_560CFC5498EF47ADC58E94248B6DEB03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_560CFC5498EF47ADC58E94248B6DEB03" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis_560CFC5498EF47ADC58E94248B6DEB03" xlink:to="lab_us-gaap_DebtInstrumentAxis_560CFC5498EF47ADC58E94248B6DEB03" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_8A4CF160C9EC3EB1B79994248B6E65EF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_8A4CF160C9EC3EB1B79994248B6E65EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_8A4CF160C9EC3EB1B79994248B6E65EF_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_8A4CF160C9EC3EB1B79994248B6E65EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_8A4CF160C9EC3EB1B79994248B6E65EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8A4CF160C9EC3EB1B79994248B6E65EF" xlink:to="lab_us-gaap_DebtInstrumentNameDomain_8A4CF160C9EC3EB1B79994248B6E65EF" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditMember_3B631AD1EABD0A32AD6F94248B6ED82C_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_3B631AD1EABD0A32AD6F94248B6ED82C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditMember_3B631AD1EABD0A32AD6F94248B6ED82C_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_3B631AD1EABD0A32AD6F94248B6ED82C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_3B631AD1EABD0A32AD6F94248B6ED82C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditMember_3B631AD1EABD0A32AD6F94248B6ED82C" xlink:to="lab_us-gaap_LineOfCreditMember_3B631AD1EABD0A32AD6F94248B6ED82C" xlink:type="arc" />
    <link:label id="lab_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5_terseLabel_en-US" xlink:label="lab_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">First Amendment [Member]</link:label>
    <link:label id="lab_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5_label_en-US" xlink:label="lab_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">First Amendment [Member]</link:label>
    <link:label id="lab_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5_documentation_en-US" xlink:label="lab_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">First Amendment [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_FirstAmendmentMember" xlink:label="loc_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5" xlink:to="lab_cmt_FirstAmendmentMember_A356750A2793EB1CBD929427FDDB78B5" xlink:type="arc" />
    <link:label id="lab_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9_terseLabel_en-US" xlink:label="lab_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Swap Domestic [Member]</link:label>
    <link:label id="lab_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9_label_en-US" xlink:label="lab_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Swap Domestic [Member]</link:label>
    <link:label id="lab_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9_documentation_en-US" xlink:label="lab_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Rate Swap Domestic [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_InterestRateSwapDomesticMember" xlink:label="loc_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9" xlink:to="lab_cmt_InterestRateSwapDomesticMember_DF67EEEC4740FE8B31A994248B6E03E9" xlink:type="arc" />
    <link:label id="lab_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A_terseLabel_en-US" xlink:label="lab_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term Loan Domestic [Member]</link:label>
    <link:label id="lab_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A_label_en-US" xlink:label="lab_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term Loan Domestic [Member]</link:label>
    <link:label id="lab_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A_documentation_en-US" xlink:label="lab_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term Loan Domestic [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_TermLoanDomesticMember" xlink:label="loc_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A" xlink:to="lab_cmt_TermLoanDomesticMember_E541203DD502D1768A0794248B6F7E6A" xlink:type="arc" />
    <link:label id="lab_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5_terseLabel_en-US" xlink:label="lab_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Swap Foreign [Member]</link:label>
    <link:label id="lab_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5_label_en-US" xlink:label="lab_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Swap Foreign [Member]</link:label>
    <link:label id="lab_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5_documentation_en-US" xlink:label="lab_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Rate Swap Foreign [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_InterestRateSwapForeignMember" xlink:label="loc_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5" xlink:to="lab_cmt_InterestRateSwapForeignMember_0BA5F424749CF0076AB094248B6F31B5" xlink:type="arc" />
    <link:label id="lab_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947_terseLabel_en-US" xlink:label="lab_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term Loan Foreign [Member]</link:label>
    <link:label id="lab_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947_label_en-US" xlink:label="lab_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term Loan Foreign [Member]</link:label>
    <link:label id="lab_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947_documentation_en-US" xlink:label="lab_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term Loan Foreign [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_TermLoanForeignMember" xlink:label="loc_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947" xlink:to="lab_cmt_TermLoanForeignMember_8B1542C2CB0E7373A5FF94248B6FA947" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestRateSwapMember_82EDAE679ED19E7A010F94248B6F9636_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_82EDAE679ED19E7A010F94248B6F9636" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Swap [Member]</link:label>
    <link:label id="lab_us-gaap_InterestRateSwapMember_82EDAE679ED19E7A010F94248B6F9636_label_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_82EDAE679ED19E7A010F94248B6F9636" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Swap [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_82EDAE679ED19E7A010F94248B6F9636" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestRateSwapMember_82EDAE679ED19E7A010F94248B6F9636" xlink:to="lab_us-gaap_InterestRateSwapMember_82EDAE679ED19E7A010F94248B6F9636" xlink:type="arc" />
    <link:label id="lab_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147_terseLabel_en-US" xlink:label="lab_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Existing Term Loan [Member]</link:label>
    <link:label id="lab_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147_label_en-US" xlink:label="lab_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Existing Term Loan [Member]</link:label>
    <link:label id="lab_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147_documentation_en-US" xlink:label="lab_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Existing Term Loan [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_ExistingTermLoanMember" xlink:label="loc_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147" xlink:to="lab_cmt_ExistingTermLoanMember_738FA8329751FFA1549894248B6F4147" xlink:type="arc" />
    <link:label id="lab_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489_terseLabel_en-US" xlink:label="lab_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term Loan [Member]</link:label>
    <link:label id="lab_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489_label_en-US" xlink:label="lab_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term Loan [Member]</link:label>
    <link:label id="lab_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489_documentation_en-US" xlink:label="lab_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term Loan [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_TermLoanMember" xlink:label="loc_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489" xlink:to="lab_cmt_TermLoanMember_725A15B8B1D94945F3BC94248B709489" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityAxis_1645730C5783E22ED39B94248B704D2C_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_1645730C5783E22ED39B94248B704D2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityAxis_1645730C5783E22ED39B94248B704D2C_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_1645730C5783E22ED39B94248B704D2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_1645730C5783E22ED39B94248B704D2C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis_1645730C5783E22ED39B94248B704D2C" xlink:to="lab_us-gaap_CreditFacilityAxis_1645730C5783E22ED39B94248B704D2C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityDomain_CF4D06DA45BBA6E8D4D194248B7002A1_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_CF4D06DA45BBA6E8D4D194248B7002A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityDomain_CF4D06DA45BBA6E8D4D194248B7002A1_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_CF4D06DA45BBA6E8D4D194248B7002A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_CF4D06DA45BBA6E8D4D194248B7002A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain_CF4D06DA45BBA6E8D4D194248B7002A1" xlink:to="lab_us-gaap_CreditFacilityDomain_CF4D06DA45BBA6E8D4D194248B7002A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_DomesticLineOfCreditMember_3793657AD726291CEF4194248B7101C3_terseLabel_en-US" xlink:label="lab_us-gaap_DomesticLineOfCreditMember_3793657AD726291CEF4194248B7101C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Domestic Line of Credit [Member]</link:label>
    <link:label id="lab_us-gaap_DomesticLineOfCreditMember_3793657AD726291CEF4194248B7101C3_label_en-US" xlink:label="lab_us-gaap_DomesticLineOfCreditMember_3793657AD726291CEF4194248B7101C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Domestic Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DomesticLineOfCreditMember" xlink:label="loc_us-gaap_DomesticLineOfCreditMember_3793657AD726291CEF4194248B7101C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DomesticLineOfCreditMember_3793657AD726291CEF4194248B7101C3" xlink:to="lab_us-gaap_DomesticLineOfCreditMember_3793657AD726291CEF4194248B7101C3" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_8728D2F0605938FE338794248B719EBF_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_8728D2F0605938FE338794248B719EBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_8728D2F0605938FE338794248B719EBF_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_8728D2F0605938FE338794248B719EBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_8728D2F0605938FE338794248B719EBF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_8728D2F0605938FE338794248B719EBF" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_8728D2F0605938FE338794248B719EBF" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignLineOfCreditMember_550A576AA2A0B4A6243994248B725467_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_550A576AA2A0B4A6243994248B725467" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Line of Credit [Member]</link:label>
    <link:label id="lab_us-gaap_ForeignLineOfCreditMember_550A576AA2A0B4A6243994248B725467_label_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_550A576AA2A0B4A6243994248B725467" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignLineOfCreditMember" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_550A576AA2A0B4A6243994248B725467" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignLineOfCreditMember_550A576AA2A0B4A6243994248B725467" xlink:to="lab_us-gaap_ForeignLineOfCreditMember_550A576AA2A0B4A6243994248B725467" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_5D47A36EEF21E821485694248B741A97_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_5D47A36EEF21E821485694248B741A97" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative, by Nature [Axis]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_5D47A36EEF21E821485694248B741A97_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_5D47A36EEF21E821485694248B741A97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_5D47A36EEF21E821485694248B741A97" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_5D47A36EEF21E821485694248B741A97" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_5D47A36EEF21E821485694248B741A97" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_6125DDEE45B650ACF8E594248B75A2F2_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_6125DDEE45B650ACF8E594248B75A2F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Contract [Domain]</link:label>
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_6125DDEE45B650ACF8E594248B75A2F2_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_6125DDEE45B650ACF8E594248B75A2F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Contract [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_6125DDEE45B650ACF8E594248B75A2F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6125DDEE45B650ACF8E594248B75A2F2" xlink:to="lab_us-gaap_DerivativeContractTypeDomain_6125DDEE45B650ACF8E594248B75A2F2" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_A618B19E9B66964854EC94248B76595A_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_A618B19E9B66964854EC94248B76595A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_A618B19E9B66964854EC94248B76595A_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_A618B19E9B66964854EC94248B76595A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A618B19E9B66964854EC94248B76595A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A618B19E9B66964854EC94248B76595A" xlink:to="lab_us-gaap_DebtInstrumentLineItems_A618B19E9B66964854EC94248B76595A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_054906876C9B8C26DE5D94248B771D72_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_054906876C9B8C26DE5D94248B771D72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_054906876C9B8C26DE5D94248B771D72_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_054906876C9B8C26DE5D94248B771D72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_054906876C9B8C26DE5D94248B771D72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_054906876C9B8C26DE5D94248B771D72" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_054906876C9B8C26DE5D94248B771D72" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebt_E434159E016C2D7F779294248B7776D4_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_E434159E016C2D7F779294248B7776D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_E434159E016C2D7F779294248B7776D4_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_E434159E016C2D7F779294248B7776D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_E434159E016C2D7F779294248B7776D4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt_E434159E016C2D7F779294248B7776D4" xlink:to="lab_us-gaap_LongTermDebt_E434159E016C2D7F779294248B7776D4" xlink:type="arc" />
    <link:label id="lab_us-gaap_LoansPayable_3AAC2DBAD540E26ACB1794248B7898CB_terseLabel_en-US" xlink:label="lab_us-gaap_LoansPayable_3AAC2DBAD540E26ACB1794248B7898CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Payable</link:label>
    <link:label id="lab_us-gaap_LoansPayable_3AAC2DBAD540E26ACB1794248B7898CB_label_en-US" xlink:label="lab_us-gaap_LoansPayable_3AAC2DBAD540E26ACB1794248B7898CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_3AAC2DBAD540E26ACB1794248B7898CB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansPayable_3AAC2DBAD540E26ACB1794248B7898CB" xlink:to="lab_us-gaap_LoansPayable_3AAC2DBAD540E26ACB1794248B7898CB" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_A1D6867B9F286251B29694248B784DA4_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_A1D6867B9F286251B29694248B784DA4" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums</link:label>
    <link:label id="lab_us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_A1D6867B9F286251B29694248B784DA4_label_en-US" xlink:label="lab_us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_A1D6867B9F286251B29694248B784DA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums" xlink:label="loc_us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_A1D6867B9F286251B29694248B784DA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_A1D6867B9F286251B29694248B784DA4" xlink:to="lab_us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_A1D6867B9F286251B29694248B784DA4" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCredit_A60DD654451CFA7D46B294248B7892C1_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_A60DD654451CFA7D46B294248B7892C1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revolving Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_A60DD654451CFA7D46B294248B7892C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_A60DD654451CFA7D46B294248B7892C1" xlink:to="lab_us-gaap_LineOfCredit_A60DD654451CFA7D46B294248B7892C1" xlink:type="arc" />
    <link:label id="lab_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36_terseLabel_en-US" xlink:label="lab_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Price Funded with Debt</link:label>
    <link:label id="lab_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36_label_en-US" xlink:label="lab_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Price Funded with Debt</link:label>
    <link:label id="lab_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36_documentation_en-US" xlink:label="lab_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Price Funded with Debt - Amount of the purchase price of a business acquisition funded with debt</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_PurchasePriceFundedwithDebt" xlink:label="loc_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36" xlink:to="lab_cmt_PurchasePriceFundedwithDebt_D3933ECB20BCC01B855B94248B78DB36" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_1770F0E0201E6C68BE8194248B799EBE_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_1770F0E0201E6C68BE8194248B799EBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_1770F0E0201E6C68BE8194248B799EBE_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_1770F0E0201E6C68BE8194248B799EBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_1770F0E0201E6C68BE8194248B799EBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_1770F0E0201E6C68BE8194248B799EBE" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_1770F0E0201E6C68BE8194248B799EBE" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtCurrent_E52E193165067CB0D43394248B79AA5A_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtCurrent_E52E193165067CB0D43394248B79AA5A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less current portion</link:label>
    <link:label id="lab_us-gaap_DebtCurrent_E52E193165067CB0D43394248B79AA5A_label_en-US" xlink:label="lab_us-gaap_DebtCurrent_E52E193165067CB0D43394248B79AA5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_E52E193165067CB0D43394248B79AA5A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtCurrent_E52E193165067CB0D43394248B79AA5A" xlink:to="lab_us-gaap_DebtCurrent_E52E193165067CB0D43394248B79AA5A" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_6E810FDAC48BBC4D8B6F94248B79D085_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_6E810FDAC48BBC4D8B6F94248B79D085" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_6E810FDAC48BBC4D8B6F94248B79D085_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_6E810FDAC48BBC4D8B6F94248B79D085" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_6E810FDAC48BBC4D8B6F94248B79D085" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_6E810FDAC48BBC4D8B6F94248B79D085" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_6E810FDAC48BBC4D8B6F94248B79D085" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_EF99B9AB70A38F4D6B8694248B79E57C_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_EF99B9AB70A38F4D6B8694248B79E57C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_EF99B9AB70A38F4D6B8694248B79E57C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_EF99B9AB70A38F4D6B8694248B79E57C" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_EF99B9AB70A38F4D6B8694248B79E57C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_79D89B58E17BC6F30E7D94248B7A8907_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_79D89B58E17BC6F30E7D94248B7A8907" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_79D89B58E17BC6F30E7D94248B7A8907_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_79D89B58E17BC6F30E7D94248B7A8907" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_79D89B58E17BC6F30E7D94248B7A8907" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_79D89B58E17BC6F30E7D94248B7A8907" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_79D89B58E17BC6F30E7D94248B7A8907" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_25E52DCE82948D36FCA994248B7ADEEF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_25E52DCE82948D36FCA994248B7ADEEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_25E52DCE82948D36FCA994248B7ADEEF_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_25E52DCE82948D36FCA994248B7ADEEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_25E52DCE82948D36FCA994248B7ADEEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount_25E52DCE82948D36FCA994248B7ADEEF" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount_25E52DCE82948D36FCA994248B7ADEEF" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeFixedInterestRate_851DDE4EB4597C2046F594248B7AD5DC_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFixedInterestRate_851DDE4EB4597C2046F594248B7AD5DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, Fixed Interest Rate</link:label>
    <link:label id="lab_us-gaap_DerivativeFixedInterestRate_851DDE4EB4597C2046F594248B7AD5DC_label_en-US" xlink:label="lab_us-gaap_DerivativeFixedInterestRate_851DDE4EB4597C2046F594248B7AD5DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fixed Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFixedInterestRate" xlink:label="loc_us-gaap_DerivativeFixedInterestRate_851DDE4EB4597C2046F594248B7AD5DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFixedInterestRate_851DDE4EB4597C2046F594248B7AD5DC" xlink:to="lab_us-gaap_DerivativeFixedInterestRate_851DDE4EB4597C2046F594248B7AD5DC" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E48FAB905CB62ABD0AA694248B7AA72C_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E48FAB905CB62ABD0AA694248B7AA72C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E48FAB905CB62ABD0AA694248B7AA72C_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E48FAB905CB62ABD0AA694248B7AA72C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E48FAB905CB62ABD0AA694248B7AA72C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E48FAB905CB62ABD0AA694248B7AA72C" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E48FAB905CB62ABD0AA694248B7AA72C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentRestrictiveCovenants_25AA1BEEE5384F0659FC94248B7B1B5E_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentRestrictiveCovenants_25AA1BEEE5384F0659FC94248B7B1B5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Restrictive Covenants</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentRestrictiveCovenants_25AA1BEEE5384F0659FC94248B7B1B5E_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRestrictiveCovenants_25AA1BEEE5384F0659FC94248B7B1B5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Restrictive Covenants</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRestrictiveCovenants" xlink:label="loc_us-gaap_DebtInstrumentRestrictiveCovenants_25AA1BEEE5384F0659FC94248B7B1B5E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRestrictiveCovenants_25AA1BEEE5384F0659FC94248B7B1B5E" xlink:to="lab_us-gaap_DebtInstrumentRestrictiveCovenants_25AA1BEEE5384F0659FC94248B7B1B5E" xlink:type="arc" />
    <link:label id="lab_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D_verboseLabel_en-US" xlink:label="lab_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percent of subsidiary stock not security for financing</link:label>
    <link:label id="lab_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D_label_en-US" xlink:label="lab_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent of Subsidiary Stock Not Security for Financing</link:label>
    <link:label id="lab_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D_documentation_en-US" xlink:label="lab_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percent of Subsidiary Stock Not Security for Financing</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_PercentOfSubsidiaryStockNotSecurityForFinancing" xlink:label="loc_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D" xlink:to="lab_cmt_PercentOfSubsidiaryStockNotSecurityForFinancing_00FC1D9EFBC686162A7394248B7B914D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_65E8A5325299ED3E7B1294248B7BA12A_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_65E8A5325299ED3E7B1294248B7BA12A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_65E8A5325299ED3E7B1294248B7BA12A_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_65E8A5325299ED3E7B1294248B7BA12A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_65E8A5325299ED3E7B1294248B7BA12A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_65E8A5325299ED3E7B1294248B7BA12A" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_65E8A5325299ED3E7B1294248B7BA12A" xlink:type="arc" />
    <link:label id="lab_invest_DerivativeNotionalAmount_532EDCED09EB7F9AEA5A94248B7BA476_terseLabel_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_532EDCED09EB7F9AEA5A94248B7BA476" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, Notional Amount</link:label>
    <link:label id="lab_invest_DerivativeNotionalAmount_532EDCED09EB7F9AEA5A94248B7BA476_label_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_532EDCED09EB7F9AEA5A94248B7BA476" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Notional Amount</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_532EDCED09EB7F9AEA5A94248B7BA476" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_invest_DerivativeNotionalAmount_532EDCED09EB7F9AEA5A94248B7BA476" xlink:to="lab_invest_DerivativeNotionalAmount_532EDCED09EB7F9AEA5A94248B7BA476" xlink:type="arc" />
    <link:label id="lab_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C_terseLabel_en-US" xlink:label="lab_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letter of Credit, Maximum</link:label>
    <link:label id="lab_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C_label_en-US" xlink:label="lab_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter of Credit, Maximum</link:label>
    <link:label id="lab_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C_documentation_en-US" xlink:label="lab_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letter of Credit, Maximum</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_LetterofCreditMaximum" xlink:label="loc_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C" xlink:to="lab_cmt_LetterofCreditMaximum_27291AAFF8B361CFD7A094248B7B1F7C" xlink:type="arc" />
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_E850C9F04F84EAAF4A6A94248B7C794D_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_E850C9F04F84EAAF4A6A94248B7C794D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_E850C9F04F84EAAF4A6A94248B7C794D_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_E850C9F04F84EAAF4A6A94248B7C794D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_E850C9F04F84EAAF4A6A94248B7C794D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_E850C9F04F84EAAF4A6A94248B7C794D" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_E850C9F04F84EAAF4A6A94248B7C794D" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_E6792E4A1AD101BEFDF194248B7CD698_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_E6792E4A1AD101BEFDF194248B7CD698" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_E6792E4A1AD101BEFDF194248B7CD698_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_E6792E4A1AD101BEFDF194248B7CD698" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_E6792E4A1AD101BEFDF194248B7CD698" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_E6792E4A1AD101BEFDF194248B7CD698" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_E6792E4A1AD101BEFDF194248B7CD698" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_9C6005FA406D3662F60B94248B7CE062_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_9C6005FA406D3662F60B94248B7CE062" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_9C6005FA406D3662F60B94248B7CE062_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_9C6005FA406D3662F60B94248B7CE062" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_9C6005FA406D3662F60B94248B7CE062" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_9C6005FA406D3662F60B94248B7CE062" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_9C6005FA406D3662F60B94248B7CE062" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_552F220FAB1B12B8EB6C94248B7C40C8_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_552F220FAB1B12B8EB6C94248B7C40C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_552F220FAB1B12B8EB6C94248B7C40C8_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_552F220FAB1B12B8EB6C94248B7C40C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_552F220FAB1B12B8EB6C94248B7C40C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_552F220FAB1B12B8EB6C94248B7C40C8" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_552F220FAB1B12B8EB6C94248B7C40C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_4B34B9147C80EFA1FD0994248B7D6208_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_4B34B9147C80EFA1FD0994248B7D6208" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_4B34B9147C80EFA1FD0994248B7D6208_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_4B34B9147C80EFA1FD0994248B7D6208" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_4B34B9147C80EFA1FD0994248B7D6208" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_4B34B9147C80EFA1FD0994248B7D6208" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_4B34B9147C80EFA1FD0994248B7D6208" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestRateDerivativeAssetsAtFairValue_844FC0661D022519948094248B7D0500_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateDerivativeAssetsAtFairValue_844FC0661D022519948094248B7D0500" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Derivative Assets, at Fair Value</link:label>
    <link:label id="lab_us-gaap_InterestRateDerivativeAssetsAtFairValue_844FC0661D022519948094248B7D0500_label_en-US" xlink:label="lab_us-gaap_InterestRateDerivativeAssetsAtFairValue_844FC0661D022519948094248B7D0500" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Derivative Assets, at Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestRateDerivativeAssetsAtFairValue" xlink:label="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_844FC0661D022519948094248B7D0500" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_844FC0661D022519948094248B7D0500" xlink:to="lab_us-gaap_InterestRateDerivativeAssetsAtFairValue_844FC0661D022519948094248B7D0500" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_D07E291B67D6F8DBC14594248B7D70A6_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_D07E291B67D6F8DBC14594248B7D70A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Currency Contract, Asset, Fair Value Disclosure</link:label>
    <link:label id="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_D07E291B67D6F8DBC14594248B7D70A6_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_D07E291B67D6F8DBC14594248B7D70A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Contract, Asset, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure" xlink:label="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_D07E291B67D6F8DBC14594248B7D70A6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_D07E291B67D6F8DBC14594248B7D70A6" xlink:to="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_D07E291B67D6F8DBC14594248B7D70A6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_82AD7FD25510FAEAB0B094248B7DE628_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_82AD7FD25510FAEAB0B094248B7DE628" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Currency Contracts, Liability, Fair Value Disclosure</link:label>
    <link:label id="lab_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_82AD7FD25510FAEAB0B094248B7DE628_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_82AD7FD25510FAEAB0B094248B7DE628" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Contracts, Liability, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure" xlink:label="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_82AD7FD25510FAEAB0B094248B7DE628" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_82AD7FD25510FAEAB0B094248B7DE628" xlink:to="lab_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_82AD7FD25510FAEAB0B094248B7DE628" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTable_ECB103E69B53A2BEC5932289BE705F9C_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTable_ECB103E69B53A2BEC5932289BE705F9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTable_ECB103E69B53A2BEC5932289BE705F9C_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTable_ECB103E69B53A2BEC5932289BE705F9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_ECB103E69B53A2BEC5932289BE705F9C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_ECB103E69B53A2BEC5932289BE705F9C" xlink:to="lab_us-gaap_FairValueByBalanceSheetGroupingTable_ECB103E69B53A2BEC5932289BE705F9C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_953AB848E42EDE8056BC2289BE724AC3_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_953AB848E42EDE8056BC2289BE724AC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_953AB848E42EDE8056BC2289BE724AC3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_953AB848E42EDE8056BC2289BE724AC3" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_953AB848E42EDE8056BC2289BE724AC3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignExchangeForwardMember_1CC4BD2FE3CA0C1425B12289BE72CF96_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignExchangeForwardMember_1CC4BD2FE3CA0C1425B12289BE72CF96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Exchange Forward [Member]</link:label>
    <link:label id="lab_us-gaap_ForeignExchangeForwardMember_1CC4BD2FE3CA0C1425B12289BE72CF96_label_en-US" xlink:label="lab_us-gaap_ForeignExchangeForwardMember_1CC4BD2FE3CA0C1425B12289BE72CF96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Forward [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_1CC4BD2FE3CA0C1425B12289BE72CF96" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignExchangeForwardMember_1CC4BD2FE3CA0C1425B12289BE72CF96" xlink:to="lab_us-gaap_ForeignExchangeForwardMember_1CC4BD2FE3CA0C1425B12289BE72CF96" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsMember_0D8499A24D7F964C0C682289BE733B95_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsMember_0D8499A24D7F964C0C682289BE733B95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets [Member]</link:label>
    <link:label id="lab_us-gaap_AssetsMember_0D8499A24D7F964C0C682289BE733B95_label_en-US" xlink:label="lab_us-gaap_AssetsMember_0D8499A24D7F964C0C682289BE733B95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsMember" xlink:label="loc_us-gaap_AssetsMember_0D8499A24D7F964C0C682289BE733B95" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsMember_0D8499A24D7F964C0C682289BE733B95" xlink:to="lab_us-gaap_AssetsMember_0D8499A24D7F964C0C682289BE733B95" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_B6CEE59F05CC684ACB982289BE74A026_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_B6CEE59F05CC684ACB982289BE74A026" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
    <link:label id="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_B6CEE59F05CC684ACB982289BE74A026_label_en-US" xlink:label="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_B6CEE59F05CC684ACB982289BE74A026" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_B6CEE59F05CC684ACB982289BE74A026" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_B6CEE59F05CC684ACB982289BE74A026" xlink:to="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_B6CEE59F05CC684ACB982289BE74A026" xlink:type="arc" />
    <link:label id="lab_us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet_BE3F33029841331412FA2289BE755A6B_terseLabel_en-US" xlink:label="lab_us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet_BE3F33029841331412FA2289BE755A6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of Location of Foreign Currency Derivatives on Balance Sheet</link:label>
    <link:label id="lab_us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet_BE3F33029841331412FA2289BE755A6B_label_en-US" xlink:label="lab_us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet_BE3F33029841331412FA2289BE755A6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of Location of Foreign Currency Derivatives on Balance Sheet</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet" xlink:label="loc_us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet_BE3F33029841331412FA2289BE755A6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet_BE3F33029841331412FA2289BE755A6B" xlink:to="lab_us-gaap_DescriptionOfLocationOfForeignCurrencyDerivativesOnBalanceSheet_BE3F33029841331412FA2289BE755A6B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_264781E36EFEC1901E3494DD0220583A_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_264781E36EFEC1901E3494DD0220583A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss) Note [Text Block]</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_264781E36EFEC1901E3494DD0220583A_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_264781E36EFEC1901E3494DD0220583A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss) Note [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_264781E36EFEC1901E3494DD0220583A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_264781E36EFEC1901E3494DD0220583A" xlink:to="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_264781E36EFEC1901E3494DD0220583A" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_D35CA6F20407BA809EFA73C867157155_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_D35CA6F20407BA809EFA73C867157155" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_D35CA6F20407BA809EFA73C867157155" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_D35CA6F20407BA809EFA73C867157155" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_D35CA6F20407BA809EFA73C867157155" xlink:type="arc" />
    <link:label id="lab_srt_StatementGeographicalAxis_8D26E9EC5D2A561E6B9173C867161FEA_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis_8D26E9EC5D2A561E6B9173C867161FEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_srt_StatementGeographicalAxis_8D26E9EC5D2A561E6B9173C867161FEA_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis_8D26E9EC5D2A561E6B9173C867161FEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_8D26E9EC5D2A561E6B9173C867161FEA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis_8D26E9EC5D2A561E6B9173C867161FEA" xlink:to="lab_srt_StatementGeographicalAxis_8D26E9EC5D2A561E6B9173C867161FEA" xlink:type="arc" />
    <link:label id="lab_srt_SegmentGeographicalDomain_0F5CDACE961F8EE7BCB773C86716BFEF_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_0F5CDACE961F8EE7BCB773C86716BFEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_srt_SegmentGeographicalDomain_0F5CDACE961F8EE7BCB773C86716BFEF_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_0F5CDACE961F8EE7BCB773C86716BFEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_0F5CDACE961F8EE7BCB773C86716BFEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain_0F5CDACE961F8EE7BCB773C86716BFEF" xlink:to="lab_srt_SegmentGeographicalDomain_0F5CDACE961F8EE7BCB773C86716BFEF" xlink:type="arc" />
    <link:label id="lab_country_CA_0A3F7FBEE92C7AD89F0F73C867161D87_terseLabel_en-US" xlink:label="lab_country_CA_0A3F7FBEE92C7AD89F0F73C867161D87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CANADA</link:label>
    <link:label id="lab_country_CA_0A3F7FBEE92C7AD89F0F73C867161D87_label_en-US" xlink:label="lab_country_CA_0A3F7FBEE92C7AD89F0F73C867161D87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CANADA</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_CA" xlink:label="loc_country_CA_0A3F7FBEE92C7AD89F0F73C867161D87" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CA_0A3F7FBEE92C7AD89F0F73C867161D87" xlink:to="lab_country_CA_0A3F7FBEE92C7AD89F0F73C867161D87" xlink:type="arc" />
    <link:label id="lab_country_US_A7F68F0FA2629F817E0473C867177135_terseLabel_en-US" xlink:label="lab_country_US_A7F68F0FA2629F817E0473C867177135" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
    <link:label id="lab_country_US_A7F68F0FA2629F817E0473C867177135_label_en-US" xlink:label="lab_country_US_A7F68F0FA2629F817E0473C867177135" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_A7F68F0FA2629F817E0473C867177135" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US_A7F68F0FA2629F817E0473C867177135" xlink:to="lab_country_US_A7F68F0FA2629F817E0473C867177135" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementLineItems_FEA1359C16B43C5F96A173C86717D1A2_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_FEA1359C16B43C5F96A173C86717D1A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_FEA1359C16B43C5F96A173C86717D1A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_FEA1359C16B43C5F96A173C86717D1A2" xlink:to="lab_us-gaap_StatementLineItems_FEA1359C16B43C5F96A173C86717D1A2" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_56E20955BBECC5F7A0BF73C8671792C4_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_56E20955BBECC5F7A0BF73C8671792C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income before income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_56E20955BBECC5F7A0BF73C8671792C4_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_56E20955BBECC5F7A0BF73C8671792C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_56E20955BBECC5F7A0BF73C8671792C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_56E20955BBECC5F7A0BF73C8671792C4" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_56E20955BBECC5F7A0BF73C8671792C4" xlink:type="arc" />
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_CB627AD1D67325A7DE2473C867179E44_verboseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_CB627AD1D67325A7DE2473C867179E44" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Effective income tax rate</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_CB627AD1D67325A7DE2473C867179E44_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_CB627AD1D67325A7DE2473C867179E44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_CB627AD1D67325A7DE2473C867179E44" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_CB627AD1D67325A7DE2473C867179E44" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_CB627AD1D67325A7DE2473C867179E44" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_05B46AFC868461A1A61673CB5242E5BD_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_05B46AFC868461A1A61673CB5242E5BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_05B46AFC868461A1A61673CB5242E5BD_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_05B46AFC868461A1A61673CB5242E5BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_05B46AFC868461A1A61673CB5242E5BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsValuationAllowance_05B46AFC868461A1A61673CB5242E5BD" xlink:to="lab_us-gaap_DeferredTaxAssetsValuationAllowance_05B46AFC868461A1A61673CB5242E5BD" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_E2DEF5AD42CE6B50EA6273C86718EDB8_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_E2DEF5AD42CE6B50EA6273C86718EDB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_E2DEF5AD42CE6B50EA6273C86718EDB8_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_E2DEF5AD42CE6B50EA6273C86718EDB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_E2DEF5AD42CE6B50EA6273C86718EDB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_E2DEF5AD42CE6B50EA6273C86718EDB8" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit_E2DEF5AD42CE6B50EA6273C86718EDB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryCurrentTable_94E11BC223F0913CC6702289BD5ED98F_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryCurrentTable_94E11BC223F0913CC6702289BD5ED98F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory, Current [Table]</link:label>
    <link:label id="lab_us-gaap_InventoryCurrentTable_94E11BC223F0913CC6702289BD5ED98F_label_en-US" xlink:label="lab_us-gaap_InventoryCurrentTable_94E11BC223F0913CC6702289BD5ED98F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Current [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryCurrentTable" xlink:label="loc_us-gaap_InventoryCurrentTable_94E11BC223F0913CC6702289BD5ED98F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryCurrentTable_94E11BC223F0913CC6702289BD5ED98F" xlink:to="lab_us-gaap_InventoryCurrentTable_94E11BC223F0913CC6702289BD5ED98F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PublicUtilitiesInventoryAxis_84A69194550C127F2B412289BD5F3E5F_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesInventoryAxis_84A69194550C127F2B412289BD5F3E5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory [Axis]</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesInventoryAxis_84A69194550C127F2B412289BD5F3E5F_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesInventoryAxis_84A69194550C127F2B412289BD5F3E5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryAxis" xlink:label="loc_us-gaap_PublicUtilitiesInventoryAxis_84A69194550C127F2B412289BD5F3E5F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_84A69194550C127F2B412289BD5F3E5F" xlink:to="lab_us-gaap_PublicUtilitiesInventoryAxis_84A69194550C127F2B412289BD5F3E5F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PublicUtilitiesInventoryTypeDomain_496C2E7A768E57FB8B4A2289BD5F919F_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesInventoryTypeDomain_496C2E7A768E57FB8B4A2289BD5F919F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory [Domain]</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesInventoryTypeDomain_496C2E7A768E57FB8B4A2289BD5F919F_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesInventoryTypeDomain_496C2E7A768E57FB8B4A2289BD5F919F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_496C2E7A768E57FB8B4A2289BD5F919F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_496C2E7A768E57FB8B4A2289BD5F919F" xlink:to="lab_us-gaap_PublicUtilitiesInventoryTypeDomain_496C2E7A768E57FB8B4A2289BD5F919F" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryLineItems_39E9AEB05905E5BD4E212289BD5F7B40_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryLineItems_39E9AEB05905E5BD4E212289BD5F7B40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory [Line Items]</link:label>
    <link:label id="lab_us-gaap_InventoryLineItems_39E9AEB05905E5BD4E212289BD5F7B40_label_en-US" xlink:label="lab_us-gaap_InventoryLineItems_39E9AEB05905E5BD4E212289BD5F7B40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryLineItems" xlink:label="loc_us-gaap_InventoryLineItems_39E9AEB05905E5BD4E212289BD5F7B40" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryLineItems_39E9AEB05905E5BD4E212289BD5F7B40" xlink:to="lab_us-gaap_InventoryLineItems_39E9AEB05905E5BD4E212289BD5F7B40" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_F8B7E2CB54D0A056E7922289BD6029BD_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_F8B7E2CB54D0A056E7922289BD6029BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory, Raw Materials and Purchased Parts, Net of Reserves</link:label>
    <link:label id="lab_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_F8B7E2CB54D0A056E7922289BD6029BD_label_en-US" xlink:label="lab_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_F8B7E2CB54D0A056E7922289BD6029BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Raw Materials and Purchased Parts, Net of Reserves</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_F8B7E2CB54D0A056E7922289BD6029BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_F8B7E2CB54D0A056E7922289BD6029BD" xlink:to="lab_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_F8B7E2CB54D0A056E7922289BD6029BD" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryWorkInProcessNetOfReserves_6A702419806B6EB02F792289BD60E5D6_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcessNetOfReserves_6A702419806B6EB02F792289BD60E5D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory, Work in Process, Net of Reserves</link:label>
    <link:label id="lab_us-gaap_InventoryWorkInProcessNetOfReserves_6A702419806B6EB02F792289BD60E5D6_label_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcessNetOfReserves_6A702419806B6EB02F792289BD60E5D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Work in Process, Net of Reserves</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_6A702419806B6EB02F792289BD60E5D6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryWorkInProcessNetOfReserves_6A702419806B6EB02F792289BD60E5D6" xlink:to="lab_us-gaap_InventoryWorkInProcessNetOfReserves_6A702419806B6EB02F792289BD60E5D6" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_CF634D3F1CD3A3A87A222289BD603FF9_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_CF634D3F1CD3A3A87A222289BD603FF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory, Finished Goods, Net of Reserves</link:label>
    <link:label id="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_CF634D3F1CD3A3A87A222289BD603FF9_label_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_CF634D3F1CD3A3A87A222289BD603FF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Finished Goods, Net of Reserves</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_CF634D3F1CD3A3A87A222289BD603FF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_CF634D3F1CD3A3A87A222289BD603FF9" xlink:to="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_CF634D3F1CD3A3A87A222289BD603FF9" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryNet_D80E50859D8B58C6AACF2289BD6133B2_totalLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_D80E50859D8B58C6AACF2289BD6133B2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Inventory, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_D80E50859D8B58C6AACF2289BD6133B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_D80E50859D8B58C6AACF2289BD6133B2" xlink:to="lab_us-gaap_InventoryNet_D80E50859D8B58C6AACF2289BD6133B2" xlink:type="arc" />
    <link:label id="lab_cmt_DocumentAndEntityInformationAbstract_4CEAA87AF4114FDFC3EE95010C15C399_label_en-US" xlink:label="lab_cmt_DocumentAndEntityInformationAbstract_4CEAA87AF4114FDFC3EE95010C15C399" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document and Entity Information [Abstract]</link:label>
    <link:label id="lab_cmt_DocumentAndEntityInformationAbstract_4CEAA87AF4114FDFC3EE95010C15C399_documentation_en-US" xlink:label="lab_cmt_DocumentAndEntityInformationAbstract_4CEAA87AF4114FDFC3EE95010C15C399" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Document and Entity Information [Abstract]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_DocumentAndEntityInformationAbstract" xlink:label="loc_cmt_DocumentAndEntityInformationAbstract_4CEAA87AF4114FDFC3EE95010C15C399" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_DocumentAndEntityInformationAbstract_4CEAA87AF4114FDFC3EE95010C15C399" xlink:to="lab_cmt_DocumentAndEntityInformationAbstract_4CEAA87AF4114FDFC3EE95010C15C399" xlink:type="arc" />
    <link:label id="lab_dei_EntitiesTable_1A6C72EE4913A0F749DF95010C152CFD_terseLabel_en-US" xlink:label="lab_dei_EntitiesTable_1A6C72EE4913A0F749DF95010C152CFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entities [Table]</link:label>
    <link:label id="lab_dei_EntitiesTable_1A6C72EE4913A0F749DF95010C152CFD_label_en-US" xlink:label="lab_dei_EntitiesTable_1A6C72EE4913A0F749DF95010C152CFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entities [Table]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_1A6C72EE4913A0F749DF95010C152CFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitiesTable_1A6C72EE4913A0F749DF95010C152CFD" xlink:to="lab_dei_EntitiesTable_1A6C72EE4913A0F749DF95010C152CFD" xlink:type="arc" />
    <link:label id="lab_dei_LegalEntityAxis_E411F914374A63ECF53895010C15B8FE_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis_E411F914374A63ECF53895010C15B8FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_E411F914374A63ECF53895010C15B8FE_label_en-US" xlink:label="lab_dei_LegalEntityAxis_E411F914374A63ECF53895010C15B8FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_E411F914374A63ECF53895010C15B8FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis_E411F914374A63ECF53895010C15B8FE" xlink:to="lab_dei_LegalEntityAxis_E411F914374A63ECF53895010C15B8FE" xlink:type="arc" />
    <link:label id="lab_dei_EntityDomain_F7C9F48069BCA5B3A9AA95010C16120A_terseLabel_en-US" xlink:label="lab_dei_EntityDomain_F7C9F48069BCA5B3A9AA95010C16120A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_F7C9F48069BCA5B3A9AA95010C16120A_label_en-US" xlink:label="lab_dei_EntityDomain_F7C9F48069BCA5B3A9AA95010C16120A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_F7C9F48069BCA5B3A9AA95010C16120A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain_F7C9F48069BCA5B3A9AA95010C16120A" xlink:to="lab_dei_EntityDomain_F7C9F48069BCA5B3A9AA95010C16120A" xlink:type="arc" />
    <link:label id="lab_dei_EntityInformationLineItems_7B99C95F4F171EA2290195010C1648BB_terseLabel_en-US" xlink:label="lab_dei_EntityInformationLineItems_7B99C95F4F171EA2290195010C1648BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Information [Line Items]</link:label>
    <link:label id="lab_dei_EntityInformationLineItems_7B99C95F4F171EA2290195010C1648BB_label_en-US" xlink:label="lab_dei_EntityInformationLineItems_7B99C95F4F171EA2290195010C1648BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Information [Line Items]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_7B99C95F4F171EA2290195010C1648BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInformationLineItems_7B99C95F4F171EA2290195010C1648BB" xlink:to="lab_dei_EntityInformationLineItems_7B99C95F4F171EA2290195010C1648BB" xlink:type="arc" />
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_06C34984D64679788DC795010C164BA0_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_06C34984D64679788DC795010C164BA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_06C34984D64679788DC795010C164BA0_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_06C34984D64679788DC795010C164BA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_06C34984D64679788DC795010C164BA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer_06C34984D64679788DC795010C164BA0" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer_06C34984D64679788DC795010C164BA0" xlink:type="arc" />
    <link:label id="lab_dei_EntityVoluntaryFilers_AD0BF8D04ECD6B2D6EF195010C167AA5_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_AD0BF8D04ECD6B2D6EF195010C167AA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_AD0BF8D04ECD6B2D6EF195010C167AA5_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_AD0BF8D04ECD6B2D6EF195010C167AA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_AD0BF8D04ECD6B2D6EF195010C167AA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers_AD0BF8D04ECD6B2D6EF195010C167AA5" xlink:to="lab_dei_EntityVoluntaryFilers_AD0BF8D04ECD6B2D6EF195010C167AA5" xlink:type="arc" />
    <link:label id="lab_dei_EntityRegistrantName_4F7B8F6F3649BE5C51DE95010C175871_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_4F7B8F6F3649BE5C51DE95010C175871" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_4F7B8F6F3649BE5C51DE95010C175871_label_en-US" xlink:label="lab_dei_EntityRegistrantName_4F7B8F6F3649BE5C51DE95010C175871" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_4F7B8F6F3649BE5C51DE95010C175871" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName_4F7B8F6F3649BE5C51DE95010C175871" xlink:to="lab_dei_EntityRegistrantName_4F7B8F6F3649BE5C51DE95010C175871" xlink:type="arc" />
    <link:label id="lab_dei_EntityCentralIndexKey_B25E50582E6F1B4383DA95010C17D470_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_B25E50582E6F1B4383DA95010C17D470" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_B25E50582E6F1B4383DA95010C17D470_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_B25E50582E6F1B4383DA95010C17D470" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_B25E50582E6F1B4383DA95010C17D470" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_B25E50582E6F1B4383DA95010C17D470" xlink:to="lab_dei_EntityCentralIndexKey_B25E50582E6F1B4383DA95010C17D470" xlink:type="arc" />
    <link:label id="lab_dei_DocumentType_062953A48C0FD0333A6F95010C17EA17_terseLabel_en-US" xlink:label="lab_dei_DocumentType_062953A48C0FD0333A6F95010C17EA17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_062953A48C0FD0333A6F95010C17EA17_label_en-US" xlink:label="lab_dei_DocumentType_062953A48C0FD0333A6F95010C17EA17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_062953A48C0FD0333A6F95010C17EA17" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType_062953A48C0FD0333A6F95010C17EA17" xlink:to="lab_dei_DocumentType_062953A48C0FD0333A6F95010C17EA17" xlink:type="arc" />
    <link:label id="lab_dei_DocumentPeriodEndDate_1014621453000BC4F66195010C180948_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_1014621453000BC4F66195010C180948" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_1014621453000BC4F66195010C180948_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_1014621453000BC4F66195010C180948" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_1014621453000BC4F66195010C180948" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate_1014621453000BC4F66195010C180948" xlink:to="lab_dei_DocumentPeriodEndDate_1014621453000BC4F66195010C180948" xlink:type="arc" />
    <link:label id="lab_dei_AmendmentFlag_41D09613C691A299BF9F95010C182742_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag_41D09613C691A299BF9F95010C182742" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_41D09613C691A299BF9F95010C182742_label_en-US" xlink:label="lab_dei_AmendmentFlag_41D09613C691A299BF9F95010C182742" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_41D09613C691A299BF9F95010C182742" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag_41D09613C691A299BF9F95010C182742" xlink:to="lab_dei_AmendmentFlag_41D09613C691A299BF9F95010C182742" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalYearFocus_ACD41A57701DF5FD115795010C18789A_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_ACD41A57701DF5FD115795010C18789A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_ACD41A57701DF5FD115795010C18789A_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_ACD41A57701DF5FD115795010C18789A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_ACD41A57701DF5FD115795010C18789A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus_ACD41A57701DF5FD115795010C18789A" xlink:to="lab_dei_DocumentFiscalYearFocus_ACD41A57701DF5FD115795010C18789A" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_6B3A1BCD6E103CE848CC95010C1834ED_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_6B3A1BCD6E103CE848CC95010C1834ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_6B3A1BCD6E103CE848CC95010C1834ED_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_6B3A1BCD6E103CE848CC95010C1834ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_6B3A1BCD6E103CE848CC95010C1834ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus_6B3A1BCD6E103CE848CC95010C1834ED" xlink:to="lab_dei_DocumentFiscalPeriodFocus_6B3A1BCD6E103CE848CC95010C1834ED" xlink:type="arc" />
    <link:label id="lab_dei_CurrentFiscalYearEndDate_6CBCA940A3D4F7546F5B95010C186E00_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_6CBCA940A3D4F7546F5B95010C186E00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_6CBCA940A3D4F7546F5B95010C186E00_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_6CBCA940A3D4F7546F5B95010C186E00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_6CBCA940A3D4F7546F5B95010C186E00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_6CBCA940A3D4F7546F5B95010C186E00" xlink:to="lab_dei_CurrentFiscalYearEndDate_6CBCA940A3D4F7546F5B95010C186E00" xlink:type="arc" />
    <link:label id="lab_dei_EntityCurrentReportingStatus_5F712E7BFA452A4F0C1E95010C19283C_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_5F712E7BFA452A4F0C1E95010C19283C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_5F712E7BFA452A4F0C1E95010C19283C_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_5F712E7BFA452A4F0C1E95010C19283C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_5F712E7BFA452A4F0C1E95010C19283C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus_5F712E7BFA452A4F0C1E95010C19283C" xlink:to="lab_dei_EntityCurrentReportingStatus_5F712E7BFA452A4F0C1E95010C19283C" xlink:type="arc" />
    <link:label id="lab_dei_EntityFilerCategory_96F96D39C431552772AD95010C198640_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_96F96D39C431552772AD95010C198640" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_96F96D39C431552772AD95010C198640_label_en-US" xlink:label="lab_dei_EntityFilerCategory_96F96D39C431552772AD95010C198640" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_96F96D39C431552772AD95010C198640" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_96F96D39C431552772AD95010C198640" xlink:to="lab_dei_EntityFilerCategory_96F96D39C431552772AD95010C198640" xlink:type="arc" />
    <link:label id="lab_dei_EntitySmallBusiness_DD53328EC7F420F6C30495010C190FBE_terseLabel_en-US" xlink:label="lab_dei_EntitySmallBusiness_DD53328EC7F420F6C30495010C190FBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Small Business</link:label>
    <link:label id="lab_dei_EntitySmallBusiness_DD53328EC7F420F6C30495010C190FBE_label_en-US" xlink:label="lab_dei_EntitySmallBusiness_DD53328EC7F420F6C30495010C190FBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Small Business</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness_DD53328EC7F420F6C30495010C190FBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitySmallBusiness_DD53328EC7F420F6C30495010C190FBE" xlink:to="lab_dei_EntitySmallBusiness_DD53328EC7F420F6C30495010C190FBE" xlink:type="arc" />
    <link:label id="lab_dei_EntityEmergingGrowthCompany_7DACCF7EEEA76B6DF64695010C1A4DDE_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_7DACCF7EEEA76B6DF64695010C1A4DDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_7DACCF7EEEA76B6DF64695010C1A4DDE_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_7DACCF7EEEA76B6DF64695010C1A4DDE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany_7DACCF7EEEA76B6DF64695010C1A4DDE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany_7DACCF7EEEA76B6DF64695010C1A4DDE" xlink:to="lab_dei_EntityEmergingGrowthCompany_7DACCF7EEEA76B6DF64695010C1A4DDE" xlink:type="arc" />
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_2D026841667D0BD1546C95010C1AF4C7_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_2D026841667D0BD1546C95010C1AF4C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_2D026841667D0BD1546C95010C1AF4C7_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_2D026841667D0BD1546C95010C1AF4C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_2D026841667D0BD1546C95010C1AF4C7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_2D026841667D0BD1546C95010C1AF4C7" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_2D026841667D0BD1546C95010C1AF4C7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRisksTypesNoConcentrationPercentageAbstract_93C4AA35C76986D40437745E54F7516B_label_en-US" xlink:label="lab_us-gaap_ConcentrationRisksTypesNoConcentrationPercentageAbstract_93C4AA35C76986D40437745E54F7516B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risks, Types, No Concentration Percentage [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRisksTypesNoConcentrationPercentageAbstract" xlink:label="loc_us-gaap_ConcentrationRisksTypesNoConcentrationPercentageAbstract_93C4AA35C76986D40437745E54F7516B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRisksTypesNoConcentrationPercentageAbstract_93C4AA35C76986D40437745E54F7516B" xlink:to="lab_us-gaap_ConcentrationRisksTypesNoConcentrationPercentageAbstract_93C4AA35C76986D40437745E54F7516B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_5B1020FB4935F67BAE0D745E54F7F294_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_5B1020FB4935F67BAE0D745E54F7F294" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Revenue by Major Customers, by Reporting Segments [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_5B1020FB4935F67BAE0D745E54F7F294_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_5B1020FB4935F67BAE0D745E54F7F294" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Revenue by Major Customers, by Reporting Segments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable" xlink:label="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_5B1020FB4935F67BAE0D745E54F7F294" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_5B1020FB4935F67BAE0D745E54F7F294" xlink:to="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_5B1020FB4935F67BAE0D745E54F7F294" xlink:type="arc" />
    <link:label id="lab_srt_ProductOrServiceAxis_9929AAE302175F8D47DE745E54F736C4_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis_9929AAE302175F8D47DE745E54F736C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:label id="lab_srt_ProductOrServiceAxis_9929AAE302175F8D47DE745E54F736C4_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis_9929AAE302175F8D47DE745E54F736C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_9929AAE302175F8D47DE745E54F736C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis_9929AAE302175F8D47DE745E54F736C4" xlink:to="lab_srt_ProductOrServiceAxis_9929AAE302175F8D47DE745E54F736C4" xlink:type="arc" />
    <link:label id="lab_srt_ProductsAndServicesDomain_74353D126A9A6A606EB1745E54F80CBB_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_74353D126A9A6A606EB1745E54F80CBB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:label id="lab_srt_ProductsAndServicesDomain_74353D126A9A6A606EB1745E54F80CBB_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_74353D126A9A6A606EB1745E54F80CBB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_74353D126A9A6A606EB1745E54F80CBB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain_74353D126A9A6A606EB1745E54F80CBB" xlink:to="lab_srt_ProductsAndServicesDomain_74353D126A9A6A606EB1745E54F80CBB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductMember_4017DCEA0E44C23F33CD745E54F8DA30_terseLabel_en-US" xlink:label="lab_us-gaap_ProductMember_4017DCEA0E44C23F33CD745E54F8DA30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product [Member]</link:label>
    <link:label id="lab_us-gaap_ProductMember_4017DCEA0E44C23F33CD745E54F8DA30_label_en-US" xlink:label="lab_us-gaap_ProductMember_4017DCEA0E44C23F33CD745E54F8DA30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductMember" xlink:label="loc_us-gaap_ProductMember_4017DCEA0E44C23F33CD745E54F8DA30" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductMember_4017DCEA0E44C23F33CD745E54F8DA30" xlink:to="lab_us-gaap_ProductMember_4017DCEA0E44C23F33CD745E54F8DA30" xlink:type="arc" />
    <link:label id="lab_us-gaap_ServiceMember_8CFA3B5DFE87ED13E478745E54F830C6_terseLabel_en-US" xlink:label="lab_us-gaap_ServiceMember_8CFA3B5DFE87ED13E478745E54F830C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service [Member]</link:label>
    <link:label id="lab_us-gaap_ServiceMember_8CFA3B5DFE87ED13E478745E54F830C6_label_en-US" xlink:label="lab_us-gaap_ServiceMember_8CFA3B5DFE87ED13E478745E54F830C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Service [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ServiceMember" xlink:label="loc_us-gaap_ServiceMember_8CFA3B5DFE87ED13E478745E54F830C6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServiceMember_8CFA3B5DFE87ED13E478745E54F830C6" xlink:to="lab_us-gaap_ServiceMember_8CFA3B5DFE87ED13E478745E54F830C6" xlink:type="arc" />
    <link:label id="lab_srt_MajorCustomersAxis_D13A25B50CA928011EF7745E54F81758_terseLabel_en-US" xlink:label="lab_srt_MajorCustomersAxis_D13A25B50CA928011EF7745E54F81758" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major Customers [Axis]</link:label>
    <link:label id="lab_srt_MajorCustomersAxis_D13A25B50CA928011EF7745E54F81758_label_en-US" xlink:label="lab_srt_MajorCustomersAxis_D13A25B50CA928011EF7745E54F81758" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MajorCustomersAxis" xlink:label="loc_srt_MajorCustomersAxis_D13A25B50CA928011EF7745E54F81758" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MajorCustomersAxis_D13A25B50CA928011EF7745E54F81758" xlink:to="lab_srt_MajorCustomersAxis_D13A25B50CA928011EF7745E54F81758" xlink:type="arc" />
    <link:label id="lab_srt_NameOfMajorCustomerDomain_16A122B06F4A01C687E1745E54F9A97D_terseLabel_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain_16A122B06F4A01C687E1745E54F9A97D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name of Major Customer [Domain]</link:label>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_16A122B06F4A01C687E1745E54F9A97D_label_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain_16A122B06F4A01C687E1745E54F9A97D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_16A122B06F4A01C687E1745E54F9A97D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_NameOfMajorCustomerDomain_16A122B06F4A01C687E1745E54F9A97D" xlink:to="lab_srt_NameOfMajorCustomerDomain_16A122B06F4A01C687E1745E54F9A97D" xlink:type="arc" />
    <link:label id="lab_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48_terseLabel_en-US" xlink:label="lab_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Navistar [Member]</link:label>
    <link:label id="lab_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48_label_en-US" xlink:label="lab_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Navistar [Member]</link:label>
    <link:label id="lab_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48_documentation_en-US" xlink:label="lab_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Navistar [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_NavistarMember" xlink:label="loc_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48" xlink:to="lab_cmt_NavistarMember_BE49C01730BBBED98C45745E54F95D48" xlink:type="arc" />
    <link:label id="lab_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200_terseLabel_en-US" xlink:label="lab_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volvo [Member]</link:label>
    <link:label id="lab_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200_label_en-US" xlink:label="lab_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Volvo [Member]</link:label>
    <link:label id="lab_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200_documentation_en-US" xlink:label="lab_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Volvo [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_VolvoMember" xlink:label="loc_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200" xlink:to="lab_cmt_VolvoMember_7B41A24DCE82720C984C745E54F9A200" xlink:type="arc" />
    <link:label id="lab_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1_terseLabel_en-US" xlink:label="lab_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paccar [Member]</link:label>
    <link:label id="lab_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1_label_en-US" xlink:label="lab_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Paccar [Member]</link:label>
    <link:label id="lab_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1_documentation_en-US" xlink:label="lab_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Paccar [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_PaccarMember" xlink:label="loc_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1" xlink:to="lab_cmt_PaccarMember_059C8AB512B55B63F509745E54F907B1" xlink:type="arc" />
    <link:label id="lab_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B_terseLabel_en-US" xlink:label="lab_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Yamaha [Member]</link:label>
    <link:label id="lab_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B_label_en-US" xlink:label="lab_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Yamaha [Member]</link:label>
    <link:label id="lab_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B_documentation_en-US" xlink:label="lab_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Yamaha [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_YamahaMember" xlink:label="loc_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B" xlink:to="lab_cmt_YamahaMember_7EA086D39C06690A7368745E54F95B3B" xlink:type="arc" />
    <link:label id="lab_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9_terseLabel_en-US" xlink:label="lab_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Customers [Member]</link:label>
    <link:label id="lab_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9_label_en-US" xlink:label="lab_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Customers [Member]</link:label>
    <link:label id="lab_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9_documentation_en-US" xlink:label="lab_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Customers [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_OtherCustomersMember" xlink:label="loc_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9" xlink:to="lab_cmt_OtherCustomersMember_1083FC6098E015D3BC2B745E54FA42E9" xlink:type="arc" />
    <link:label id="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_FEA4F98EE295CBBE164A745E54FA438A_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_FEA4F98EE295CBBE164A745E54FA438A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue, Major Customer [Line Items]</link:label>
    <link:label id="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_FEA4F98EE295CBBE164A745E54FA438A_label_en-US" xlink:label="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_FEA4F98EE295CBBE164A745E54FA438A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue, Major Customer [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EntityWideRevenueMajorCustomerLineItems" xlink:label="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_FEA4F98EE295CBBE164A745E54FA438A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_FEA4F98EE295CBBE164A745E54FA438A" xlink:to="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_FEA4F98EE295CBBE164A745E54FA438A" xlink:type="arc" />
    <link:label id="lab_us-gaap_Revenues_CE60649F50DC46954A61745E54FAA202_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues_CE60649F50DC46954A61745E54FAA202" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenues</link:label>
    <link:label id="lab_us-gaap_Revenues_CE60649F50DC46954A61745E54FAA202_label_en-US" xlink:label="lab_us-gaap_Revenues_CE60649F50DC46954A61745E54FAA202" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_CE60649F50DC46954A61745E54FAA202" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues_CE60649F50DC46954A61745E54FAA202" xlink:to="lab_us-gaap_Revenues_CE60649F50DC46954A61745E54FAA202" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_DEC1CE3F2A6C524CD069745E54FAFDBE_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_DEC1CE3F2A6C524CD069745E54FAFDBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer, Including Assessed Tax</link:label>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_DEC1CE3F2A6C524CD069745E54FAFDBE_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_DEC1CE3F2A6C524CD069745E54FAFDBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer, Including Assessed Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_DEC1CE3F2A6C524CD069745E54FAFDBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_DEC1CE3F2A6C524CD069745E54FAFDBE" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_DEC1CE3F2A6C524CD069745E54FAFDBE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2B291D6D3B8D7A324EF02289BCE48BC7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2B291D6D3B8D7A324EF02289BCE48BC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2B291D6D3B8D7A324EF02289BCE48BC7_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2B291D6D3B8D7A324EF02289BCE48BC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2B291D6D3B8D7A324EF02289BCE48BC7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2B291D6D3B8D7A324EF02289BCE48BC7" xlink:to="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2B291D6D3B8D7A324EF02289BCE48BC7" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeasesAbstract_FCED3843A05ECE8BEC1B94FE09EF1FFA_label_en-US" xlink:label="lab_us-gaap_LeasesAbstract_FCED3843A05ECE8BEC1B94FE09EF1FFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_FCED3843A05ECE8BEC1B94FE09EF1FFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesAbstract_FCED3843A05ECE8BEC1B94FE09EF1FFA" xlink:to="lab_us-gaap_LeasesAbstract_FCED3843A05ECE8BEC1B94FE09EF1FFA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseCostTableTextBlock_38B117C2254464969FA794FE4B0CFC24_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseCostTableTextBlock_38B117C2254464969FA794FE4B0CFC24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease, Cost [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_LeaseCostTableTextBlock_38B117C2254464969FA794FE4B0CFC24_label_en-US" xlink:label="lab_us-gaap_LeaseCostTableTextBlock_38B117C2254464969FA794FE4B0CFC24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease, Cost [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_38B117C2254464969FA794FE4B0CFC24" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCostTableTextBlock_38B117C2254464969FA794FE4B0CFC24" xlink:to="lab_us-gaap_LeaseCostTableTextBlock_38B117C2254464969FA794FE4B0CFC24" xlink:type="arc" />
    <link:label id="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_AAA1821469C7D496CC9594FE189FF1EF_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_AAA1821469C7D496CC9594FE189FF1EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental Balance Sheet Disclosures [Text Block]</link:label>
    <link:label id="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_AAA1821469C7D496CC9594FE189FF1EF_label_en-US" xlink:label="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_AAA1821469C7D496CC9594FE189FF1EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Balance Sheet Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_AAA1821469C7D496CC9594FE189FF1EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_AAA1821469C7D496CC9594FE189FF1EF" xlink:to="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_AAA1821469C7D496CC9594FE189FF1EF" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashFlowSupplementalDisclosuresTextBlock_1FBF374CA20EA7420DE994FE09F03D31_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowSupplementalDisclosuresTextBlock_1FBF374CA20EA7420DE994FE09F03D31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flow, Supplemental Disclosures [Text Block]</link:label>
    <link:label id="lab_us-gaap_CashFlowSupplementalDisclosuresTextBlock_1FBF374CA20EA7420DE994FE09F03D31_label_en-US" xlink:label="lab_us-gaap_CashFlowSupplementalDisclosuresTextBlock_1FBF374CA20EA7420DE994FE09F03D31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow, Supplemental Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:label="loc_us-gaap_CashFlowSupplementalDisclosuresTextBlock_1FBF374CA20EA7420DE994FE09F03D31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowSupplementalDisclosuresTextBlock_1FBF374CA20EA7420DE994FE09F03D31" xlink:to="lab_us-gaap_CashFlowSupplementalDisclosuresTextBlock_1FBF374CA20EA7420DE994FE09F03D31" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_5522A59E3BF94FE2D61F94FE09F03823_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_5522A59E3BF94FE2D61F94FE09F03823" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Maturity [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_5522A59E3BF94FE2D61F94FE09F03823_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_5522A59E3BF94FE2D61F94FE09F03823" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Maturity [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_5522A59E3BF94FE2D61F94FE09F03823" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_5522A59E3BF94FE2D61F94FE09F03823" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_5522A59E3BF94FE2D61F94FE09F03823" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_14045795FEEBCEE3805C2289BF5CA5CE_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_14045795FEEBCEE3805C2289BF5CA5CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_14045795FEEBCEE3805C2289BF5CA5CE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_14045795FEEBCEE3805C2289BF5CA5CE" xlink:to="lab_us-gaap_EarningsPerShareAbstract_14045795FEEBCEE3805C2289BF5CA5CE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D1FC55807CBC4D5788052289BF5C98FD_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D1FC55807CBC4D5788052289BF5C98FD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Computation of basic and diluted net income per common share:</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D1FC55807CBC4D5788052289BF5C98FD_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D1FC55807CBC4D5788052289BF5C98FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D1FC55807CBC4D5788052289BF5C98FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D1FC55807CBC4D5788052289BF5C98FD" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D1FC55807CBC4D5788052289BF5C98FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationsAbstract_D03B3448DC7CAC2D75682289BDA75E21_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsAbstract_D03B3448DC7CAC2D75682289BDA75E21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combinations [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_D03B3448DC7CAC2D75682289BDA75E21" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_D03B3448DC7CAC2D75682289BDA75E21" xlink:to="lab_us-gaap_BusinessCombinationsAbstract_D03B3448DC7CAC2D75682289BDA75E21" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_2F71B782A1CFCC3B3EB72289BDA78C38_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_2F71B782A1CFCC3B3EB72289BDA78C38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_2F71B782A1CFCC3B3EB72289BDA78C38_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_2F71B782A1CFCC3B3EB72289BDA78C38" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_2F71B782A1CFCC3B3EB72289BDA78C38" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_2F71B782A1CFCC3B3EB72289BDA78C38" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_2F71B782A1CFCC3B3EB72289BDA78C38" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock_DED0323028C7B3AD376E2289BDA94C7E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock_DED0323028C7B3AD376E2289BDA94C7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock_DED0323028C7B3AD376E2289BDA94C7E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock_DED0323028C7B3AD376E2289BDA94C7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock_DED0323028C7B3AD376E2289BDA94C7E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock_DED0323028C7B3AD376E2289BDA94C7E" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock_DED0323028C7B3AD376E2289BDA94C7E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_9E398C16F2E8B3DC9D9E735BC97822FF_verboseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_9E398C16F2E8B3DC9D9E735BC97822FF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Major Customers</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_9E398C16F2E8B3DC9D9E735BC97822FF_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_9E398C16F2E8B3DC9D9E735BC97822FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="loc_us-gaap_ConcentrationRiskDisclosureTextBlock_9E398C16F2E8B3DC9D9E735BC97822FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskDisclosureTextBlock_9E398C16F2E8B3DC9D9E735BC97822FF" xlink:to="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_9E398C16F2E8B3DC9D9E735BC97822FF" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_93A06B57A038E29AC47D2289BF35B105_verboseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_93A06B57A038E29AC47D2289BF35B105" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock Based Compensation</link:label>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_93A06B57A038E29AC47D2289BF35B105_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_93A06B57A038E29AC47D2289BF35B105" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_93A06B57A038E29AC47D2289BF35B105" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_93A06B57A038E29AC47D2289BF35B105" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_93A06B57A038E29AC47D2289BF35B105" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2EA659F06D1BB8CC6E0C78F6453216DD_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2EA659F06D1BB8CC6E0C78F6453216DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Comprehensive Income [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2EA659F06D1BB8CC6E0C78F6453216DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2EA659F06D1BB8CC6E0C78F6453216DD" xlink:to="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2EA659F06D1BB8CC6E0C78F6453216DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_6DB264F73823999E17CC78F645320AD6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_6DB264F73823999E17CC78F645320AD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Axis]</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_6DB264F73823999E17CC78F645320AD6_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_6DB264F73823999E17CC78F645320AD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationAxis" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_6DB264F73823999E17CC78F645320AD6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_6DB264F73823999E17CC78F645320AD6" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_6DB264F73823999E17CC78F645320AD6" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_A3412F6159E5C5B12C9178F64533E7DC_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_A3412F6159E5C5B12C9178F64533E7DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Domain]</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_A3412F6159E5C5B12C9178F64533E7DC_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_A3412F6159E5C5B12C9178F64533E7DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationDomain" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_A3412F6159E5C5B12C9178F64533E7DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_A3412F6159E5C5B12C9178F64533E7DC" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_A3412F6159E5C5B12C9178F64533E7DC" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_BE89479EB9D8355C8B2878F64533E029_verboseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_BE89479EB9D8355C8B2878F64533E029" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_NetIncomeLoss_BE89479EB9D8355C8B2878F64533E029_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_BE89479EB9D8355C8B2878F64533E029" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_BE89479EB9D8355C8B2878F64533E029" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_BE89479EB9D8355C8B2878F64533E029" xlink:to="lab_us-gaap_NetIncomeLoss_BE89479EB9D8355C8B2878F64533E029" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_54AB3C71699E7FF8A14178F64534546E_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_54AB3C71699E7FF8A14178F64534546E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income:</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_54AB3C71699E7FF8A14178F64534546E_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_54AB3C71699E7FF8A14178F64534546E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_54AB3C71699E7FF8A14178F64534546E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_54AB3C71699E7FF8A14178F64534546E" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_54AB3C71699E7FF8A14178F64534546E" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_CDC1E887A62D23BFAEE378F64534771A_terseLabel_en-US" xlink:label="lab_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_CDC1E887A62D23BFAEE378F64534771A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax</link:label>
    <link:label id="lab_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_CDC1E887A62D23BFAEE378F64534771A_label_en-US" xlink:label="lab_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_CDC1E887A62D23BFAEE378F64534771A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:label="loc_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_CDC1E887A62D23BFAEE378F64534771A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_CDC1E887A62D23BFAEE378F64534771A" xlink:to="lab_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_CDC1E887A62D23BFAEE378F64534771A" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_35AA755C6C2EC11462F878F64534CEA4_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_35AA755C6C2EC11462F878F64534CEA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swaps:</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_35AA755C6C2EC11462F878F64534CEA4_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_35AA755C6C2EC11462F878F64534CEA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_35AA755C6C2EC11462F878F64534CEA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_35AA755C6C2EC11462F878F64534CEA4" xlink:to="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_35AA755C6C2EC11462F878F64534CEA4" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3EBEDD91040EF89563EC78F64534012F_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3EBEDD91040EF89563EC78F64534012F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3EBEDD91040EF89563EC78F64534012F_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3EBEDD91040EF89563EC78F64534012F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3EBEDD91040EF89563EC78F64534012F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3EBEDD91040EF89563EC78F64534012F" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3EBEDD91040EF89563EC78F64534012F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_F3F1040E772BF260A48678F64535EC52_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_F3F1040E772BF260A48678F64535EC52" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_F3F1040E772BF260A48678F64535EC52_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_F3F1040E772BF260A48678F64535EC52" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_F3F1040E772BF260A48678F64535EC52" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_F3F1040E772BF260A48678F64535EC52" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_F3F1040E772BF260A48678F64535EC52" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_D351FC4328EB143C400478F645350994_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_D351FC4328EB143C400478F645350994" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Post retirement benefit plan adjustments:</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_D351FC4328EB143C400478F645350994_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_D351FC4328EB143C400478F645350994" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_D351FC4328EB143C400478F645350994" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_D351FC4328EB143C400478F645350994" xlink:to="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_D351FC4328EB143C400478F645350994" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_F4293158AA518626220978F645357711_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_F4293158AA518626220978F645357711" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net actuarial loss</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_F4293158AA518626220978F645357711_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_F4293158AA518626220978F645357711" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_F4293158AA518626220978F645357711" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_F4293158AA518626220978F645357711" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_F4293158AA518626220978F645357711" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_01EBC1EE5C2186D47C1B78F645355808_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_01EBC1EE5C2186D47C1B78F645355808" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prior service costs</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_01EBC1EE5C2186D47C1B78F645355808_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_01EBC1EE5C2186D47C1B78F645355808" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_01EBC1EE5C2186D47C1B78F645355808" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_01EBC1EE5C2186D47C1B78F645355808" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_01EBC1EE5C2186D47C1B78F645355808" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_27500F2AF4818D0BFD0C78F6453620E6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_27500F2AF4818D0BFD0C78F6453620E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_27500F2AF4818D0BFD0C78F6453620E6_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_27500F2AF4818D0BFD0C78F6453620E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_27500F2AF4818D0BFD0C78F6453620E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_27500F2AF4818D0BFD0C78F6453620E6" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_27500F2AF4818D0BFD0C78F6453620E6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_C93E120967ECF4C6EF8D78F64536B3C8_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_C93E120967ECF4C6EF8D78F64536B3C8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_C93E120967ECF4C6EF8D78F64536B3C8_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_C93E120967ECF4C6EF8D78F64536B3C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_C93E120967ECF4C6EF8D78F64536B3C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_C93E120967ECF4C6EF8D78F64536B3C8" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax_C93E120967ECF4C6EF8D78F64536B3C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTextBlock_B3AED321819BF0E2E6FB2289BEF73DBD_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTextBlock_B3AED321819BF0E2E6FB2289BEF73DBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTextBlock_B3AED321819BF0E2E6FB2289BEF73DBD_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTextBlock_B3AED321819BF0E2E6FB2289BEF73DBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_B3AED321819BF0E2E6FB2289BEF73DBD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfGoodwillTextBlock_B3AED321819BF0E2E6FB2289BEF73DBD" xlink:to="lab_us-gaap_ScheduleOfGoodwillTextBlock_B3AED321819BF0E2E6FB2289BEF73DBD" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeLeaseDescriptionTable_7EAEBEDED3A6C5AD2CB49544E55809B2_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionTable_7EAEBEDED3A6C5AD2CB49544E55809B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Table]</link:label>
    <link:label id="lab_us-gaap_LesseeLeaseDescriptionTable_7EAEBEDED3A6C5AD2CB49544E55809B2_label_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionTable_7EAEBEDED3A6C5AD2CB49544E55809B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_7EAEBEDED3A6C5AD2CB49544E55809B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_7EAEBEDED3A6C5AD2CB49544E55809B2" xlink:to="lab_us-gaap_LesseeLeaseDescriptionTable_7EAEBEDED3A6C5AD2CB49544E55809B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeLeaseDescriptionLineItems_03CEE790F9CFE38B96339544E560A897_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionLineItems_03CEE790F9CFE38B96339544E560A897" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Line Items]</link:label>
    <link:label id="lab_us-gaap_LesseeLeaseDescriptionLineItems_03CEE790F9CFE38B96339544E560A897_label_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionLineItems_03CEE790F9CFE38B96339544E560A897" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_03CEE790F9CFE38B96339544E560A897" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_03CEE790F9CFE38B96339544E560A897" xlink:to="lab_us-gaap_LesseeLeaseDescriptionLineItems_03CEE790F9CFE38B96339544E560A897" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseTermOfContract_55CF2280C8CF563D26069544E560DF77_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract_55CF2280C8CF563D26069544E560DF77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Term of Contract</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseTermOfContract_55CF2280C8CF563D26069544E560DF77_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract_55CF2280C8CF563D26069544E560DF77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Term of Contract</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_55CF2280C8CF563D26069544E560DF77" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseTermOfContract_55CF2280C8CF563D26069544E560DF77" xlink:to="lab_us-gaap_LesseeOperatingLeaseTermOfContract_55CF2280C8CF563D26069544E560DF77" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_4F5A0748D98DC5CAEB0D9544E56060C3_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_4F5A0748D98DC5CAEB0D9544E56060C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Renewal Term</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_4F5A0748D98DC5CAEB0D9544E56060C3_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_4F5A0748D98DC5CAEB0D9544E56060C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Renewal Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_4F5A0748D98DC5CAEB0D9544E56060C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_4F5A0748D98DC5CAEB0D9544E56060C3" xlink:to="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_4F5A0748D98DC5CAEB0D9544E56060C3" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseCost_FD0920921085751C7A419544E5617092_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost_FD0920921085751C7A419544E5617092" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Cost</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseCost_FD0920921085751C7A419544E5617092_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost_FD0920921085751C7A419544E5617092" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost_FD0920921085751C7A419544E5617092" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseCost_FD0920921085751C7A419544E5617092" xlink:to="lab_us-gaap_OperatingLeaseCost_FD0920921085751C7A419544E5617092" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasePayments_DB68D96FCD551385E6DE9544E561CB65_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments_DB68D96FCD551385E6DE9544E561CB65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Cost</link:label>
    <link:label id="lab_us-gaap_OperatingLeasePayments_DB68D96FCD551385E6DE9544E561CB65_label_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments_DB68D96FCD551385E6DE9544E561CB65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="loc_us-gaap_OperatingLeasePayments_DB68D96FCD551385E6DE9544E561CB65" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasePayments_DB68D96FCD551385E6DE9544E561CB65" xlink:to="lab_us-gaap_OperatingLeasePayments_DB68D96FCD551385E6DE9544E561CB65" xlink:type="arc" />
    <link:label id="lab_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720_terseLabel_en-US" xlink:label="lab_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset, Current</link:label>
    <link:label id="lab_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720_label_en-US" xlink:label="lab_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset, Current</link:label>
    <link:label id="lab_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720_documentation_en-US" xlink:label="lab_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of lessee's right to use underlying asset under operating lease current portion</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_OperatingLeaseRightofUseAssetCurrent" xlink:label="loc_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720" xlink:to="lab_cmt_OperatingLeaseRightofUseAssetCurrent_92EFA6649A70FA63953F9544E5619720" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_1BF7040FE97E5A7D44599544E562637F_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_1BF7040FE97E5A7D44599544E562637F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_1BF7040FE97E5A7D44599544E562637F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset_1BF7040FE97E5A7D44599544E562637F" xlink:to="lab_us-gaap_OperatingLeaseRightOfUseAsset_1BF7040FE97E5A7D44599544E562637F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityCurrent_98D0B5D7F0D3BE9DFF269544E56260E6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent_98D0B5D7F0D3BE9DFF269544E56260E6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Current</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityCurrent_98D0B5D7F0D3BE9DFF269544E56260E6_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent_98D0B5D7F0D3BE9DFF269544E56260E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_98D0B5D7F0D3BE9DFF269544E56260E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityCurrent_98D0B5D7F0D3BE9DFF269544E56260E6" xlink:to="lab_us-gaap_OperatingLeaseLiabilityCurrent_98D0B5D7F0D3BE9DFF269544E56260E6" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseLiability_09A1806723DDC87B87AC9544E562DD21_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability_09A1806723DDC87B87AC9544E562DD21" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_09A1806723DDC87B87AC9544E562DD21" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiability_09A1806723DDC87B87AC9544E562DD21" xlink:to="lab_us-gaap_OperatingLeaseLiability_09A1806723DDC87B87AC9544E562DD21" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_25AB0332B6481EB893469544E56802A1_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_25AB0332B6481EB893469544E56802A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Weighted Average Remaining Lease Term</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_25AB0332B6481EB893469544E56802A1_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_25AB0332B6481EB893469544E56802A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Weighted Average Remaining Lease Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_25AB0332B6481EB893469544E56802A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_25AB0332B6481EB893469544E56802A1" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_25AB0332B6481EB893469544E56802A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_68CB5440503964D19BAF9544E5689DCA_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_68CB5440503964D19BAF9544E5689DCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_68CB5440503964D19BAF9544E5689DCA_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_68CB5440503964D19BAF9544E5689DCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_68CB5440503964D19BAF9544E5689DCA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_68CB5440503964D19BAF9544E5689DCA" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_68CB5440503964D19BAF9544E5689DCA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4ED56AC87759206982379544E561E2B5_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4ED56AC87759206982379544E561E2B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4ED56AC87759206982379544E561E2B5_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4ED56AC87759206982379544E561E2B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4ED56AC87759206982379544E561E2B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4ED56AC87759206982379544E561E2B5" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4ED56AC87759206982379544E561E2B5" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D6065E6437050E46F9389544E5681CFC_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D6065E6437050E46F9389544E5681CFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Two</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D6065E6437050E46F9389544E5681CFC_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D6065E6437050E46F9389544E5681CFC" 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_D6065E6437050E46F9389544E5681CFC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D6065E6437050E46F9389544E5681CFC" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D6065E6437050E46F9389544E5681CFC" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_F4030F88402FC3EEA7539544E568CB8B_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_F4030F88402FC3EEA7539544E568CB8B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Three</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_F4030F88402FC3EEA7539544E568CB8B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_F4030F88402FC3EEA7539544E568CB8B" 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_F4030F88402FC3EEA7539544E568CB8B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_F4030F88402FC3EEA7539544E568CB8B" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_F4030F88402FC3EEA7539544E568CB8B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_16CB570348C3DBBAAE039544E569BCF9_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_16CB570348C3DBBAAE039544E569BCF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Four</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_16CB570348C3DBBAAE039544E569BCF9_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_16CB570348C3DBBAAE039544E569BCF9" 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_16CB570348C3DBBAAE039544E569BCF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_16CB570348C3DBBAAE039544E569BCF9" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_16CB570348C3DBBAAE039544E569BCF9" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2E516B3926CA67F46E419544E5699E02_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2E516B3926CA67F46E419544E5699E02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Five</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2E516B3926CA67F46E419544E5699E02_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2E516B3926CA67F46E419544E5699E02" 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_2E516B3926CA67F46E419544E5699E02" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2E516B3926CA67F46E419544E5699E02" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2E516B3926CA67F46E419544E5699E02" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_3E3309F19876C2EFF2329544E569881C_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_3E3309F19876C2EFF2329544E569881C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due after Year Five</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_3E3309F19876C2EFF2329544E569881C_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_3E3309F19876C2EFF2329544E569881C" 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_3E3309F19876C2EFF2329544E569881C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_3E3309F19876C2EFF2329544E569881C" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_3E3309F19876C2EFF2329544E569881C" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_BC5E089974F35C2BA82D9544E56A30FB_totalLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_BC5E089974F35C2BA82D9544E56A30FB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_BC5E089974F35C2BA82D9544E56A30FB_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_BC5E089974F35C2BA82D9544E56A30FB" 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_BC5E089974F35C2BA82D9544E56A30FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_BC5E089974F35C2BA82D9544E56A30FB" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_BC5E089974F35C2BA82D9544E56A30FB" xlink:type="arc" />
    <link:label id="lab_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4_negatedTerseLabel_en-US" xlink:label="lab_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Imputed Interest</link:label>
    <link:label id="lab_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4_label_en-US" xlink:label="lab_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Imputed Interest</link:label>
    <link:label id="lab_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4_documentation_en-US" xlink:label="lab_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Imputed Interest</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_LesseeOperatingLeaseImputedInterest" xlink:label="loc_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4" xlink:to="lab_cmt_LesseeOperatingLeaseImputedInterest_F9AB56427C8F941AD5E79544E56A73A4" xlink:type="arc" />
    <link:label id="lab_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309_totalLabel_en-US" xlink:label="lab_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Discounted Lease Payments</link:label>
    <link:label id="lab_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309_label_en-US" xlink:label="lab_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Discounted Lease Payments</link:label>
    <link:label id="lab_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309_documentation_en-US" xlink:label="lab_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Discounted Lease Payments</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_LesseeOperatingLeaseDiscountedLeasePayments" xlink:label="loc_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309" xlink:to="lab_cmt_LesseeOperatingLeaseDiscountedLeasePayments_41E6FC9880AD1027A70A9544E56A1309" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7ACA426396AEA17CA65B9526CAF5DFD2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7ACA426396AEA17CA65B9526CAF5DFD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Business Acquisitions, by Acquisition [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7ACA426396AEA17CA65B9526CAF5DFD2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7ACA426396AEA17CA65B9526CAF5DFD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Business Acquisitions, by Acquisition [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7ACA426396AEA17CA65B9526CAF5DFD2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7ACA426396AEA17CA65B9526CAF5DFD2" xlink:to="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7ACA426396AEA17CA65B9526CAF5DFD2" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProFormaMember_3B62A2DDD463297D5C169537E53CBB7D_terseLabel_en-US" xlink:label="lab_us-gaap_ProFormaMember_3B62A2DDD463297D5C169537E53CBB7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pro Forma [Member]</link:label>
    <link:label id="lab_us-gaap_ProFormaMember_3B62A2DDD463297D5C169537E53CBB7D_label_en-US" xlink:label="lab_us-gaap_ProFormaMember_3B62A2DDD463297D5C169537E53CBB7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pro Forma [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProFormaMember" xlink:label="loc_us-gaap_ProFormaMember_3B62A2DDD463297D5C169537E53CBB7D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProFormaMember_3B62A2DDD463297D5C169537E53CBB7D" xlink:to="lab_us-gaap_ProFormaMember_3B62A2DDD463297D5C169537E53CBB7D" xlink:type="arc" />
    <link:label id="lab_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4_terseLabel_en-US" xlink:label="lab_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Horizon Plastics [Member]</link:label>
    <link:label id="lab_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4_label_en-US" xlink:label="lab_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Horizon Plastics [Member]</link:label>
    <link:label id="lab_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4_documentation_en-US" xlink:label="lab_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Horizon Plastics [Member]</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_HorizonPlasticsMember" xlink:label="loc_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4" xlink:to="lab_cmt_HorizonPlasticsMember_BD5FBDA54ED669A271B09526CAF783C4" xlink:type="arc" />
    <link:label id="lab_srt_OwnershipAxis_DBEB8C59829FD17420029526CAF81923_terseLabel_en-US" xlink:label="lab_srt_OwnershipAxis_DBEB8C59829FD17420029526CAF81923" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership [Axis]</link:label>
    <link:label id="lab_srt_OwnershipAxis_DBEB8C59829FD17420029526CAF81923_label_en-US" xlink:label="lab_srt_OwnershipAxis_DBEB8C59829FD17420029526CAF81923" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis_DBEB8C59829FD17420029526CAF81923" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipAxis_DBEB8C59829FD17420029526CAF81923" xlink:to="lab_srt_OwnershipAxis_DBEB8C59829FD17420029526CAF81923" xlink:type="arc" />
    <link:label id="lab_srt_OwnershipDomain_1DFA64FD3B64682D7F039526CAF8FE18_terseLabel_en-US" xlink:label="lab_srt_OwnershipDomain_1DFA64FD3B64682D7F039526CAF8FE18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership [Domain]</link:label>
    <link:label id="lab_srt_OwnershipDomain_1DFA64FD3B64682D7F039526CAF8FE18_label_en-US" xlink:label="lab_srt_OwnershipDomain_1DFA64FD3B64682D7F039526CAF8FE18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_1DFA64FD3B64682D7F039526CAF8FE18" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipDomain_1DFA64FD3B64682D7F039526CAF8FE18" xlink:to="lab_srt_OwnershipDomain_1DFA64FD3B64682D7F039526CAF8FE18" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_E8BB959F2A735FFB38609526CAF8ACE7_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_E8BB959F2A735FFB38609526CAF8ACE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_E8BB959F2A735FFB38609526CAF8ACE7_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_E8BB959F2A735FFB38609526CAF8ACE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_E8BB959F2A735FFB38609526CAF8ACE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis_E8BB959F2A735FFB38609526CAF8ACE7" xlink:to="lab_us-gaap_StatementClassOfStockAxis_E8BB959F2A735FFB38609526CAF8ACE7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfStockDomain_085D6AB04F1C79F3FA179526CAF9749F_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_085D6AB04F1C79F3FA179526CAF9749F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockDomain_085D6AB04F1C79F3FA179526CAF9749F_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_085D6AB04F1C79F3FA179526CAF9749F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_085D6AB04F1C79F3FA179526CAF9749F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain_085D6AB04F1C79F3FA179526CAF9749F" xlink:to="lab_us-gaap_ClassOfStockDomain_085D6AB04F1C79F3FA179526CAF9749F" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionLineItems_51B521A06E3F439339109526CAF999FD_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_51B521A06E3F439339109526CAF999FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition [Line Items]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionLineItems_51B521A06E3F439339109526CAF999FD_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_51B521A06E3F439339109526CAF999FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_51B521A06E3F439339109526CAF999FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_51B521A06E3F439339109526CAF999FD" xlink:to="lab_us-gaap_BusinessAcquisitionLineItems_51B521A06E3F439339109526CAF999FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_Depreciation_CB0848073F3EDA0C0F769526CAF91029_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_CB0848073F3EDA0C0F769526CAF91029" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_us-gaap_Depreciation_CB0848073F3EDA0C0F769526CAF91029_label_en-US" xlink:label="lab_us-gaap_Depreciation_CB0848073F3EDA0C0F769526CAF91029" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_CB0848073F3EDA0C0F769526CAF91029" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Depreciation_CB0848073F3EDA0C0F769526CAF91029" xlink:to="lab_us-gaap_Depreciation_CB0848073F3EDA0C0F769526CAF91029" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_24D1A1AB1C618F5042BC9526CAFA12E0_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_24D1A1AB1C618F5042BC9526CAFA12E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Diluted</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_24D1A1AB1C618F5042BC9526CAFA12E0_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_24D1A1AB1C618F5042BC9526CAFA12E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_24D1A1AB1C618F5042BC9526CAFA12E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_24D1A1AB1C618F5042BC9526CAFA12E0" xlink:to="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_24D1A1AB1C618F5042BC9526CAFA12E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_2D01AABCBDF57D6A51F79526CAFAE15B_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_2D01AABCBDF57D6A51F79526CAFAE15B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Revenue</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_2D01AABCBDF57D6A51F79526CAFAE15B_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_2D01AABCBDF57D6A51F79526CAFAE15B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_2D01AABCBDF57D6A51F79526CAFAE15B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_2D01AABCBDF57D6A51F79526CAFAE15B" xlink:to="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_2D01AABCBDF57D6A51F79526CAFAE15B" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_EE657481C6AF069608549526CAFA90C1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_EE657481C6AF069608549526CAFA90C1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_EE657481C6AF069608549526CAFA90C1_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_EE657481C6AF069608549526CAFA90C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed" xlink:label="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_EE657481C6AF069608549526CAFA90C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_EE657481C6AF069608549526CAFA90C1" xlink:to="lab_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_EE657481C6AF069608549526CAFA90C1" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_58362A26FEC999B4D7B59526CAFA86BB_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_58362A26FEC999B4D7B59526CAFA86BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_58362A26FEC999B4D7B59526CAFA86BB_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_58362A26FEC999B4D7B59526CAFA86BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_58362A26FEC999B4D7B59526CAFA86BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_58362A26FEC999B4D7B59526CAFA86BB" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_58362A26FEC999B4D7B59526CAFA86BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_C96E11C2E2BFC8DFB7709526CAFB10A5_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_C96E11C2E2BFC8DFB7709526CAFB10A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_C96E11C2E2BFC8DFB7709526CAFB10A5_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_C96E11C2E2BFC8DFB7709526CAFB10A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_C96E11C2E2BFC8DFB7709526CAFB10A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_C96E11C2E2BFC8DFB7709526CAFB10A5" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_C96E11C2E2BFC8DFB7709526CAFB10A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_9063AD30A0C4342C59179526CAFB4BC4_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_9063AD30A0C4342C59179526CAFB4BC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_9063AD30A0C4342C59179526CAFB4BC4_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_9063AD30A0C4342C59179526CAFB4BC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_9063AD30A0C4342C59179526CAFB4BC4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_9063AD30A0C4342C59179526CAFB4BC4" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_9063AD30A0C4342C59179526CAFB4BC4" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_37500820918692EBDFB59526CAFB6961_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_37500820918692EBDFB59526CAFB6961" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_37500820918692EBDFB59526CAFB6961_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_37500820918692EBDFB59526CAFB6961" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_37500820918692EBDFB59526CAFB6961" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_37500820918692EBDFB59526CAFB6961" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_37500820918692EBDFB59526CAFB6961" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_5A06495FF4B6199F8A029526CAFB2CA0_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_5A06495FF4B6199F8A029526CAFB2CA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_5A06495FF4B6199F8A029526CAFB2CA0_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_5A06495FF4B6199F8A029526CAFB2CA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_5A06495FF4B6199F8A029526CAFB2CA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_5A06495FF4B6199F8A029526CAFB2CA0" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_5A06495FF4B6199F8A029526CAFB2CA0" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_B048C074AA07B9E89BEE9526CAFC02EC_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_B048C074AA07B9E89BEE9526CAFC02EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Goodwill, Expected Tax Deductible Amount</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_B048C074AA07B9E89BEE9526CAFC02EC_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_B048C074AA07B9E89BEE9526CAFC02EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Goodwill, Expected Tax Deductible Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_B048C074AA07B9E89BEE9526CAFC02EC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_B048C074AA07B9E89BEE9526CAFC02EC" xlink:to="lab_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_B048C074AA07B9E89BEE9526CAFC02EC" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_F9C4DD97F57FC3661E689526CAFCF7D3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_F9C4DD97F57FC3661E689526CAFCF7D3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_F9C4DD97F57FC3661E689526CAFCF7D3_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_F9C4DD97F57FC3661E689526CAFCF7D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_F9C4DD97F57FC3661E689526CAFCF7D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_F9C4DD97F57FC3661E689526CAFCF7D3" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_F9C4DD97F57FC3661E689526CAFCF7D3" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2484706BA0D8DEE8A4309526CAFCEFCC_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2484706BA0D8DEE8A4309526CAFCEFCC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2484706BA0D8DEE8A4309526CAFCEFCC_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2484706BA0D8DEE8A4309526CAFCEFCC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2484706BA0D8DEE8A4309526CAFCEFCC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2484706BA0D8DEE8A4309526CAFCEFCC" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2484706BA0D8DEE8A4309526CAFCEFCC" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationConsiderationTransferred1_B055D320C76AF1AA7BD99526CAFC1705_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationConsiderationTransferred1_B055D320C76AF1AA7BD99526CAFC1705" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Consideration Transferred</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationConsiderationTransferred1_B055D320C76AF1AA7BD99526CAFC1705_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationConsiderationTransferred1_B055D320C76AF1AA7BD99526CAFC1705" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Consideration Transferred</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_B055D320C76AF1AA7BD99526CAFC1705" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_B055D320C76AF1AA7BD99526CAFC1705" xlink:to="lab_us-gaap_BusinessCombinationConsiderationTransferred1_B055D320C76AF1AA7BD99526CAFC1705" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_F3AFDDCE4A316C25D85D9526CAFDF260_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_F3AFDDCE4A316C25D85D9526CAFDF260" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Net Income (Loss)</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_F3AFDDCE4A316C25D85D9526CAFDF260_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_F3AFDDCE4A316C25D85D9526CAFDF260" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Net Income (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_F3AFDDCE4A316C25D85D9526CAFDF260" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_F3AFDDCE4A316C25D85D9526CAFDF260" xlink:to="lab_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_F3AFDDCE4A316C25D85D9526CAFDF260" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_F1CFA34B376DA36CA2849526CAFDC8BA_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_F1CFA34B376DA36CA2849526CAFDC8BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Basic</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_F1CFA34B376DA36CA2849526CAFDC8BA_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_F1CFA34B376DA36CA2849526CAFDC8BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_F1CFA34B376DA36CA2849526CAFDC8BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_F1CFA34B376DA36CA2849526CAFDC8BA" xlink:to="lab_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_F1CFA34B376DA36CA2849526CAFDC8BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpense_CB6CD08312C29FCE4D479526CAFDDB07_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_CB6CD08312C29FCE4D479526CAFDDB07" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:label id="lab_us-gaap_InterestExpense_CB6CD08312C29FCE4D479526CAFDDB07_label_en-US" xlink:label="lab_us-gaap_InterestExpense_CB6CD08312C29FCE4D479526CAFDDB07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_CB6CD08312C29FCE4D479526CAFDDB07" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_CB6CD08312C29FCE4D479526CAFDDB07" xlink:to="lab_us-gaap_InterestExpense_CB6CD08312C29FCE4D479526CAFDDB07" xlink:type="arc" />
    <link:label id="lab_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08_terseLabel_en-US" xlink:label="lab_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Working Capital Purchase Price Adjustment</link:label>
    <link:label id="lab_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08_label_en-US" xlink:label="lab_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Working Capital Purchase Price Adjustment</link:label>
    <link:label id="lab_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08_documentation_en-US" xlink:label="lab_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Combination, Working Capital Purchase Price Adjustment</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment" xlink:label="loc_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08" xlink:to="lab_cmt_BusinessCombinationWorkingCapitalPurchasePriceAdjustment_EC227C948C4BE14DF9D6952CDE359C08" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementAbstract_2304E06ED29C57AE060292D2F6670F82_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_2304E06ED29C57AE060292D2F6670F82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_2304E06ED29C57AE060292D2F6670F82" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract_2304E06ED29C57AE060292D2F6670F82" xlink:to="lab_us-gaap_IncomeStatementAbstract_2304E06ED29C57AE060292D2F6670F82" xlink:type="arc" />
    <link:label id="lab_us-gaap_Revenues_15E071B065E012496BCB92D2F668EF07_totalLabel_en-US" xlink:label="lab_us-gaap_Revenues_15E071B065E012496BCB92D2F668EF07" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Revenues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_15E071B065E012496BCB92D2F668EF07" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues_15E071B065E012496BCB92D2F668EF07" xlink:to="lab_us-gaap_Revenues_15E071B065E012496BCB92D2F668EF07" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfRevenue_F2AFEEDD3DF326C593FE92D2F6699722_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfRevenue_F2AFEEDD3DF326C593FE92D2F6699722" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of Revenue</link:label>
    <link:label id="lab_us-gaap_CostOfRevenue_F2AFEEDD3DF326C593FE92D2F6699722_label_en-US" xlink:label="lab_us-gaap_CostOfRevenue_F2AFEEDD3DF326C593FE92D2F6699722" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_F2AFEEDD3DF326C593FE92D2F6699722" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfRevenue_F2AFEEDD3DF326C593FE92D2F6699722" xlink:to="lab_us-gaap_CostOfRevenue_F2AFEEDD3DF326C593FE92D2F6699722" xlink:type="arc" />
    <link:label id="lab_us-gaap_GrossProfit_6E3DDD11F940CBDE22D292D2F669749D_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_6E3DDD11F940CBDE22D292D2F669749D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Gross margin</link:label>
    <link:label id="lab_us-gaap_GrossProfit_6E3DDD11F940CBDE22D292D2F669749D_label_en-US" xlink:label="lab_us-gaap_GrossProfit_6E3DDD11F940CBDE22D292D2F669749D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Profit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_6E3DDD11F940CBDE22D292D2F669749D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GrossProfit_6E3DDD11F940CBDE22D292D2F669749D" xlink:to="lab_us-gaap_GrossProfit_6E3DDD11F940CBDE22D292D2F669749D" xlink:type="arc" />
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_086EF60810ADF7AACAEC92D2F6699EFD_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_086EF60810ADF7AACAEC92D2F6699EFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expense</link:label>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_086EF60810ADF7AACAEC92D2F6699EFD_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_086EF60810ADF7AACAEC92D2F6699EFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_086EF60810ADF7AACAEC92D2F6699EFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense_086EF60810ADF7AACAEC92D2F6699EFD" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense_086EF60810ADF7AACAEC92D2F6699EFD" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingIncomeLoss_53E0804017CF4FCA8F8992D2F669441A_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_53E0804017CF4FCA8F8992D2F669441A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating Income (Loss)</link:label>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_53E0804017CF4FCA8F8992D2F669441A_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_53E0804017CF4FCA8F8992D2F669441A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_53E0804017CF4FCA8F8992D2F669441A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_53E0804017CF4FCA8F8992D2F669441A" xlink:to="lab_us-gaap_OperatingIncomeLoss_53E0804017CF4FCA8F8992D2F669441A" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpense_5BC6971F8EF6718A954E92D2F66A54B2_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_5BC6971F8EF6718A954E92D2F66A54B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_5BC6971F8EF6718A954E92D2F66A54B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_5BC6971F8EF6718A954E92D2F66A54B2" xlink:to="lab_us-gaap_InterestExpense_5BC6971F8EF6718A954E92D2F66A54B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_9B5D9D3289DF3D03A3BE92D2F66A0650_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_9B5D9D3289DF3D03A3BE92D2F66A0650" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income (Expense)</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_9B5D9D3289DF3D03A3BE92D2F66A0650_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_9B5D9D3289DF3D03A3BE92D2F66A0650" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income (Expense)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_9B5D9D3289DF3D03A3BE92D2F66A0650" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_9B5D9D3289DF3D03A3BE92D2F66A0650" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense_9B5D9D3289DF3D03A3BE92D2F66A0650" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_53002A0C108C1EB7BA0592D2F66A55B6_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_53002A0C108C1EB7BA0592D2F66A55B6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income before income taxes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_53002A0C108C1EB7BA0592D2F66A55B6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_53002A0C108C1EB7BA0592D2F66A55B6" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_53002A0C108C1EB7BA0592D2F66A55B6" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_6A88EB75C945782B9B2892D2F66BE083_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_6A88EB75C945782B9B2892D2F66BE083" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_6A88EB75C945782B9B2892D2F66BE083" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_6A88EB75C945782B9B2892D2F66BE083" xlink:to="lab_us-gaap_NetIncomeLoss_6A88EB75C945782B9B2892D2F66BE083" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_93FA2261956CFAB3212992D2F66BAE55_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_93FA2261956CFAB3212992D2F66BAE55" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income per common share:</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_93FA2261956CFAB3212992D2F66BAE55" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_93FA2261956CFAB3212992D2F66BAE55" xlink:to="lab_us-gaap_EarningsPerShareAbstract_93FA2261956CFAB3212992D2F66BAE55" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasic_EAA225C146E181B264BA92D2F66BBE00_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_EAA225C146E181B264BA92D2F66BBE00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_EAA225C146E181B264BA92D2F66BBE00_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_EAA225C146E181B264BA92D2F66BBE00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_EAA225C146E181B264BA92D2F66BBE00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic_EAA225C146E181B264BA92D2F66BBE00" xlink:to="lab_us-gaap_EarningsPerShareBasic_EAA225C146E181B264BA92D2F66BBE00" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_9816A553334C70739D7392D2F66CE42E_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_9816A553334C70739D7392D2F66CE42E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_9816A553334C70739D7392D2F66CE42E_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_9816A553334C70739D7392D2F66CE42E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_9816A553334C70739D7392D2F66CE42E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted_9816A553334C70739D7392D2F66CE42E" xlink:to="lab_us-gaap_EarningsPerShareDiluted_9816A553334C70739D7392D2F66CE42E" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D4AFABC401E8C6B1D10992D2F66C8DC5_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D4AFABC401E8C6B1D10992D2F66C8DC5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding:</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D4AFABC401E8C6B1D10992D2F66C8DC5_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D4AFABC401E8C6B1D10992D2F66C8DC5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D4AFABC401E8C6B1D10992D2F66C8DC5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D4AFABC401E8C6B1D10992D2F66C8DC5" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D4AFABC401E8C6B1D10992D2F66C8DC5" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_805E9566F36907D6875292D2F66C8133_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_805E9566F36907D6875292D2F66C8133" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_805E9566F36907D6875292D2F66C8133_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_805E9566F36907D6875292D2F66C8133" 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>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_805E9566F36907D6875292D2F66C8133" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_805E9566F36907D6875292D2F66C8133" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_805E9566F36907D6875292D2F66C8133" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1C0F257362C55FBAD8F392D2F66C5D90_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1C0F257362C55FBAD8F392D2F66C5D90" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1C0F257362C55FBAD8F392D2F66C5D90_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1C0F257362C55FBAD8F392D2F66C5D90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1C0F257362C55FBAD8F392D2F66C5D90" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1C0F257362C55FBAD8F392D2F66C5D90" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1C0F257362C55FBAD8F392D2F66C5D90" xlink:type="arc" />
    <link:label id="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_6E63179B62DBCC4C47C3735C8B4403C6_terseLabel_en-US" xlink:label="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_6E63179B62DBCC4C47C3735C8B4403C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Major Customers</link:label>
    <link:label id="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_6E63179B62DBCC4C47C3735C8B4403C6_label_en-US" xlink:label="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_6E63179B62DBCC4C47C3735C8B4403C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedules of Concentration of Risk, by Risk Factor [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:label="loc_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_6E63179B62DBCC4C47C3735C8B4403C6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_6E63179B62DBCC4C47C3735C8B4403C6" xlink:to="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_6E63179B62DBCC4C47C3735C8B4403C6" xlink:type="arc" />
    <link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_E6ED36369F5DE07506889524526664B7_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_E6ED36369F5DE07506889524526664B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements and Changes in Accounting Principles [Text Block]</link:label>
    <link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_E6ED36369F5DE07506889524526664B7_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_E6ED36369F5DE07506889524526664B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements and Changes in Accounting Principles [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_E6ED36369F5DE07506889524526664B7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_E6ED36369F5DE07506889524526664B7" xlink:to="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_E6ED36369F5DE07506889524526664B7" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_B9FF4EF229653CF1BF062289BD414979_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_B9FF4EF229653CF1BF062289BD414979" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant and Equipment [Table]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_B9FF4EF229653CF1BF062289BD414979_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_B9FF4EF229653CF1BF062289BD414979" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_B9FF4EF229653CF1BF062289BD414979" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_B9FF4EF229653CF1BF062289BD414979" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_B9FF4EF229653CF1BF062289BD414979" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_DFC158F35023B31630C92289BCF8D16C_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_DFC158F35023B31630C92289BCF8D16C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_DFC158F35023B31630C92289BCF8D16C_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_DFC158F35023B31630C92289BCF8D16C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_DFC158F35023B31630C92289BCF8D16C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresTextBlock_DFC158F35023B31630C92289BCF8D16C" xlink:to="lab_us-gaap_FairValueDisclosuresTextBlock_DFC158F35023B31630C92289BCF8D16C" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract_9A24DE0F679394A1106E2289BDBB97D7_verboseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract_9A24DE0F679394A1106E2289BDBB97D7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Pension, health and life insurance expense:</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract_9A24DE0F679394A1106E2289BDBB97D7_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract_9A24DE0F679394A1106E2289BDBB97D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract_9A24DE0F679394A1106E2289BDBB97D7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract_9A24DE0F679394A1106E2289BDBB97D7" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract_9A24DE0F679394A1106E2289BDBB97D7" xlink:type="arc" />
    <link:label id="lab_us-gaap_MultiemployerPlanContributionsByEmployer_122D10D4F1013C11EF092289BDBB39FC_terseLabel_en-US" xlink:label="lab_us-gaap_MultiemployerPlanContributionsByEmployer_122D10D4F1013C11EF092289BDBB39FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Multi-employer plan contributions</link:label>
    <link:label id="lab_us-gaap_MultiemployerPlanContributionsByEmployer_122D10D4F1013C11EF092289BDBB39FC_label_en-US" xlink:label="lab_us-gaap_MultiemployerPlanContributionsByEmployer_122D10D4F1013C11EF092289BDBB39FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Multiemployer Plan, Contributions by Employer</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MultiemployerPlanContributionsByEmployer" xlink:label="loc_us-gaap_MultiemployerPlanContributionsByEmployer_122D10D4F1013C11EF092289BDBB39FC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MultiemployerPlanContributionsByEmployer_122D10D4F1013C11EF092289BDBB39FC" xlink:to="lab_us-gaap_MultiemployerPlanContributionsByEmployer_122D10D4F1013C11EF092289BDBB39FC" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CFBD81197958F182E4202289BDBCA9F2_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CFBD81197958F182E4202289BDBCA9F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined contribution plan contributions</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CFBD81197958F182E4202289BDBCA9F2_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CFBD81197958F182E4202289BDBCA9F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Contributions by Employer</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_CFBD81197958F182E4202289BDBCA9F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_CFBD81197958F182E4202289BDBCA9F2" xlink:to="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CFBD81197958F182E4202289BDBCA9F2" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionExpense_ED4FADCC849FC889B3932289BDBC812A_totalLabel_en-US" xlink:label="lab_us-gaap_PensionExpense_ED4FADCC849FC889B3932289BDBC812A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total pension expense</link:label>
    <link:label id="lab_us-gaap_PensionExpense_ED4FADCC849FC889B3932289BDBC812A_label_en-US" xlink:label="lab_us-gaap_PensionExpense_ED4FADCC849FC889B3932289BDBC812A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Cost (Reversal of Cost)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionExpense" xlink:label="loc_us-gaap_PensionExpense_ED4FADCC849FC889B3932289BDBC812A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionExpense_ED4FADCC849FC889B3932289BDBC812A" xlink:to="lab_us-gaap_PensionExpense_ED4FADCC849FC889B3932289BDBC812A" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_09F47458B71B9C14E2C32289BDBC8E04_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_09F47458B71B9C14E2C32289BDBC8E04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest cost</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_09F47458B71B9C14E2C32289BDBC8E04_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_09F47458B71B9C14E2C32289BDBC8E04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Interest Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_09F47458B71B9C14E2C32289BDBC8E04" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanInterestCost_09F47458B71B9C14E2C32289BDBC8E04" xlink:to="lab_us-gaap_DefinedBenefitPlanInterestCost_09F47458B71B9C14E2C32289BDBC8E04" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0B18C1AAF12070FB8CEA2289BDBC2076_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0B18C1AAF12070FB8CEA2289BDBC2076" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of prior service costs</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0B18C1AAF12070FB8CEA2289BDBC2076_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0B18C1AAF12070FB8CEA2289BDBC2076" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Amortization of Prior Service Cost (Credit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0B18C1AAF12070FB8CEA2289BDBC2076" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0B18C1AAF12070FB8CEA2289BDBC2076" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0B18C1AAF12070FB8CEA2289BDBC2076" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_6D81039FDEBB4BEA3B302289BDBC07FA_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_6D81039FDEBB4BEA3B302289BDBC07FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of net loss</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_6D81039FDEBB4BEA3B302289BDBC07FA_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_6D81039FDEBB4BEA3B302289BDBC07FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_6D81039FDEBB4BEA3B302289BDBC07FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_6D81039FDEBB4BEA3B302289BDBC07FA" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_6D81039FDEBB4BEA3B302289BDBC07FA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_758455FF4BE8C5FFB1C82289BDBCCE13_totalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_758455FF4BE8C5FFB1C82289BDBCCE13" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net periodic benefit cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_758455FF4BE8C5FFB1C82289BDBCCE13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_758455FF4BE8C5FFB1C82289BDBCCE13" xlink:to="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_758455FF4BE8C5FFB1C82289BDBCCE13" xlink:type="arc" />
    <link:label id="lab_us-gaap_PostemploymentBenefitsPeriodExpense_2DE9280C8FA46EFDA6802289BDBD67B6_totalLabel_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsPeriodExpense_2DE9280C8FA46EFDA6802289BDBD67B6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total post retirement benefits expense</link:label>
    <link:label id="lab_us-gaap_PostemploymentBenefitsPeriodExpense_2DE9280C8FA46EFDA6802289BDBD67B6_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsPeriodExpense_2DE9280C8FA46EFDA6802289BDBD67B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Postemployment Benefits, Period Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PostemploymentBenefitsPeriodExpense" xlink:label="loc_us-gaap_PostemploymentBenefitsPeriodExpense_2DE9280C8FA46EFDA6802289BDBD67B6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PostemploymentBenefitsPeriodExpense_2DE9280C8FA46EFDA6802289BDBD67B6" xlink:to="lab_us-gaap_PostemploymentBenefitsPeriodExpense_2DE9280C8FA46EFDA6802289BDBD67B6" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitContributions_D6CFCAEB0D87723D53D72289BDBDB2D1_verboseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitContributions_D6CFCAEB0D87723D53D72289BDBDB2D1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Payments to pension plans</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitContributions_D6CFCAEB0D87723D53D72289BDBDB2D1_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitContributions_D6CFCAEB0D87723D53D72289BDBDB2D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment for Pension and Other Postretirement Benefits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_D6CFCAEB0D87723D53D72289BDBDB2D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_D6CFCAEB0D87723D53D72289BDBDB2D1" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitContributions_D6CFCAEB0D87723D53D72289BDBDB2D1" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherPostretirementBenefitsPayments_351EE4A3F8D1457623332289BDBD1332_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherPostretirementBenefitsPayments_351EE4A3F8D1457623332289BDBD1332" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Payments for post retirement healthcare and life insurance</link:label>
    <link:label id="lab_us-gaap_OtherPostretirementBenefitsPayments_351EE4A3F8D1457623332289BDBD1332_label_en-US" xlink:label="lab_us-gaap_OtherPostretirementBenefitsPayments_351EE4A3F8D1457623332289BDBD1332" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment for Other Postretirement Benefits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherPostretirementBenefitsPayments" xlink:label="loc_us-gaap_OtherPostretirementBenefitsPayments_351EE4A3F8D1457623332289BDBD1332" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherPostretirementBenefitsPayments_351EE4A3F8D1457623332289BDBD1332" xlink:to="lab_us-gaap_OtherPostretirementBenefitsPayments_351EE4A3F8D1457623332289BDBD1332" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_3F129DF724D3865488662289BDBDC218_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_3F129DF724D3865488662289BDBDC218" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_3F129DF724D3865488662289BDBDC218_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_3F129DF724D3865488662289BDBDC218" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_3F129DF724D3865488662289BDBDC218" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_3F129DF724D3865488662289BDBDC218" xlink:to="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_3F129DF724D3865488662289BDBDC218" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_1FF9743AD858FFC110CE2289BDBEA524_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_1FF9743AD858FFC110CE2289BDBEA524" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_1FF9743AD858FFC110CE2289BDBEA524_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_1FF9743AD858FFC110CE2289BDBEA524" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_1FF9743AD858FFC110CE2289BDBEA524" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_1FF9743AD858FFC110CE2289BDBEA524" xlink:to="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_1FF9743AD858FFC110CE2289BDBEA524" xlink:type="arc" />
    <link:label id="lab_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318_verboseLabel_en-US" xlink:label="lab_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expected payments to pension plans</link:label>
    <link:label id="lab_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318_label_en-US" xlink:label="lab_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Pension Plan, Expected</link:label>
    <link:label id="lab_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318_documentation_en-US" xlink:label="lab_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments to Pension Plan, Expected</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_PaymentsToPensionPlanExpected" xlink:label="loc_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318" xlink:to="lab_cmt_PaymentsToPensionPlanExpected_AFF0C7FF8DCDF2CB0C2F2289BDBE8318" xlink:type="arc" />
    <link:label id="lab_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3_terseLabel_en-US" xlink:label="lab_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued Expected Pension Plan Payments</link:label>
    <link:label id="lab_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3_label_en-US" xlink:label="lab_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Expected Pension Plan Payments</link:label>
    <link:label id="lab_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3_documentation_en-US" xlink:label="lab_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued Expected Pension Plan Payments</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_AccruedExpectedPensionPlanPayments" xlink:label="loc_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3" xlink:to="lab_cmt_AccruedExpectedPensionPlanPayments_22B5F30EF404BE9FCAEA2289BDBFF0D3" xlink:type="arc" />
    <link:label id="lab_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB_terseLabel_en-US" xlink:label="lab_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected future payments for other post retirement benefits</link:label>
    <link:label id="lab_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB_label_en-US" xlink:label="lab_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected future payments for other post retirement benefits</link:label>
    <link:label id="lab_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB_documentation_en-US" xlink:label="lab_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected future payments for other post retirement benefits</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits" xlink:label="loc_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB" xlink:to="lab_cmt_ExpectedFuturePaymentsForOtherPostRetirementBenefits_DAE9CDEA556803B768F12289BDBF12BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_83E5FE93BB6A2E44B6C92289BDAD69A5_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_83E5FE93BB6A2E44B6C92289BDAD69A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_83E5FE93BB6A2E44B6C92289BDAD69A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_83E5FE93BB6A2E44B6C92289BDAD69A5" xlink:to="lab_us-gaap_StockholdersEquityAbstract_83E5FE93BB6A2E44B6C92289BDAD69A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_15B7F9729F4D5CF9E6012289BDAD9385_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_15B7F9729F4D5CF9E6012289BDAD9385" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, par value</link:label>
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_15B7F9729F4D5CF9E6012289BDAD9385_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_15B7F9729F4D5CF9E6012289BDAD9385" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_15B7F9729F4D5CF9E6012289BDAD9385" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare_15B7F9729F4D5CF9E6012289BDAD9385" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare_15B7F9729F4D5CF9E6012289BDAD9385" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_5BF6ECFE16CD01EB7F032289BDAEE210_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_5BF6ECFE16CD01EB7F032289BDAEE210" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, shares authorized</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_5BF6ECFE16CD01EB7F032289BDAEE210_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_5BF6ECFE16CD01EB7F032289BDAEE210" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_5BF6ECFE16CD01EB7F032289BDAEE210" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized_5BF6ECFE16CD01EB7F032289BDAEE210" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized_5BF6ECFE16CD01EB7F032289BDAEE210" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_32C8428F0CDCF79E96452289BDAEDAB8_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_32C8428F0CDCF79E96452289BDAEDAB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, shares outstanding</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_32C8428F0CDCF79E96452289BDAEDAB8_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_32C8428F0CDCF79E96452289BDAEDAB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_32C8428F0CDCF79E96452289BDAEDAB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesOutstanding_32C8428F0CDCF79E96452289BDAEDAB8" xlink:to="lab_us-gaap_PreferredStockSharesOutstanding_32C8428F0CDCF79E96452289BDAEDAB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_35FDC04078049C80D7962289BDAE8D2C_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_35FDC04078049C80D7962289BDAE8D2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, par value</link:label>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_35FDC04078049C80D7962289BDAE8D2C_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_35FDC04078049C80D7962289BDAE8D2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_35FDC04078049C80D7962289BDAE8D2C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_35FDC04078049C80D7962289BDAE8D2C" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_35FDC04078049C80D7962289BDAE8D2C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_3306193546122364E4BE2289BDAE0C6C_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_3306193546122364E4BE2289BDAE0C6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, shares authorized</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_3306193546122364E4BE2289BDAE0C6C_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_3306193546122364E4BE2289BDAE0C6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_3306193546122364E4BE2289BDAE0C6C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized_3306193546122364E4BE2289BDAE0C6C" xlink:to="lab_us-gaap_CommonStockSharesAuthorized_3306193546122364E4BE2289BDAE0C6C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_6F543C93EF7C1CDC01152289BDAE9346_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_6F543C93EF7C1CDC01152289BDAE9346" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_6F543C93EF7C1CDC01152289BDAE9346_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_6F543C93EF7C1CDC01152289BDAE9346" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_6F543C93EF7C1CDC01152289BDAE9346" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_6F543C93EF7C1CDC01152289BDAE9346" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_6F543C93EF7C1CDC01152289BDAE9346" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockShares_85D52AAAA5900909C0A02289BDAED391_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_85D52AAAA5900909C0A02289BDAED391" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares</link:label>
    <link:label id="lab_us-gaap_TreasuryStockShares_85D52AAAA5900909C0A02289BDAED391_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_85D52AAAA5900909C0A02289BDAED391" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_85D52AAAA5900909C0A02289BDAED391" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockShares_85D52AAAA5900909C0A02289BDAED391" xlink:to="lab_us-gaap_TreasuryStockShares_85D52AAAA5900909C0A02289BDAED391" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_0A05A3AB6E299EC844C82289BD00E5BC_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_0A05A3AB6E299EC844C82289BD00E5BC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net Income per Common Share</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_0A05A3AB6E299EC844C82289BD00E5BC_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_0A05A3AB6E299EC844C82289BD00E5BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_0A05A3AB6E299EC844C82289BD00E5BC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareTextBlock_0A05A3AB6E299EC844C82289BD00E5BC" xlink:to="lab_us-gaap_EarningsPerShareTextBlock_0A05A3AB6E299EC844C82289BD00E5BC" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_46084094D364157A726E8F4ADB3F0D0F_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_46084094D364157A726E8F4ADB3F0D0F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_46084094D364157A726E8F4ADB3F0D0F_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_46084094D364157A726E8F4ADB3F0D0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_46084094D364157A726E8F4ADB3F0D0F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_46084094D364157A726E8F4ADB3F0D0F" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross_46084094D364157A726E8F4ADB3F0D0F" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21BFCF99BA7AEE263B4D8F4ADB3F13FF_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21BFCF99BA7AEE263B4D8F4ADB3F13FF" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation</link:label>
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21BFCF99BA7AEE263B4D8F4ADB3F13FF_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21BFCF99BA7AEE263B4D8F4ADB3F13FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21BFCF99BA7AEE263B4D8F4ADB3F13FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21BFCF99BA7AEE263B4D8F4ADB3F13FF" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21BFCF99BA7AEE263B4D8F4ADB3F13FF" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_E19184F7C92095B8D9418F4ADB3F40CA_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_E19184F7C92095B8D9418F4ADB3F40CA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_E19184F7C92095B8D9418F4ADB3F40CA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_E19184F7C92095B8D9418F4ADB3F40CA" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_E19184F7C92095B8D9418F4ADB3F40CA" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConstructionInProgressGross_4F5001FE51FE08B3A0A08F4ADB40291B_verboseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressGross_4F5001FE51FE08B3A0A08F4ADB40291B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capital expenditures in progress</link:label>
    <link:label id="lab_us-gaap_ConstructionInProgressGross_4F5001FE51FE08B3A0A08F4ADB40291B_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressGross_4F5001FE51FE08B3A0A08F4ADB40291B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in Progress, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_4F5001FE51FE08B3A0A08F4ADB40291B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressGross_4F5001FE51FE08B3A0A08F4ADB40291B" xlink:to="lab_us-gaap_ConstructionInProgressGross_4F5001FE51FE08B3A0A08F4ADB40291B" xlink:type="arc" />
    <link:label id="lab_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B_verboseLabel_en-US" xlink:label="lab_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commitments for capital expenditures in progress</link:label>
    <link:label id="lab_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B_label_en-US" xlink:label="lab_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments For Capital Expenditures In Progress</link:label>
    <link:label id="lab_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B_documentation_en-US" xlink:label="lab_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments For Capital Expenditures In Progress</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_CommitmentsForCapitalExpendituresInProgress" xlink:label="loc_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B" xlink:to="lab_cmt_CommitmentsForCapitalExpendituresInProgress_E7C48B9067FE0FFAAAF78F4ADB409D8B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeasesTextBlock_B7AA19FBEE8AA3ACB9A094D5FC9807C4_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeasesTextBlock_B7AA19FBEE8AA3ACB9A094D5FC9807C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases [Text Block]</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeasesTextBlock_B7AA19FBEE8AA3ACB9A094D5FC9807C4_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeasesTextBlock_B7AA19FBEE8AA3ACB9A094D5FC9807C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeasesTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_B7AA19FBEE8AA3ACB9A094D5FC9807C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeasesTextBlock_B7AA19FBEE8AA3ACB9A094D5FC9807C4" xlink:to="lab_us-gaap_LesseeOperatingLeasesTextBlock_B7AA19FBEE8AA3ACB9A094D5FC9807C4" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_C7800993C5A8A0D7B9322289BD6C19F1_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_C7800993C5A8A0D7B9322289BD6C19F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combination Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_C7800993C5A8A0D7B9322289BD6C19F1_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_C7800993C5A8A0D7B9322289BD6C19F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_C7800993C5A8A0D7B9322289BD6C19F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationDisclosureTextBlock_C7800993C5A8A0D7B9322289BD6C19F1" xlink:to="lab_us-gaap_BusinessCombinationDisclosureTextBlock_C7800993C5A8A0D7B9322289BD6C19F1" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_7805B794504AD8C9D41E7378F130D7BF_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_7805B794504AD8C9D41E7378F130D7BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7805B794504AD8C9D41E7378F130D7BF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_7805B794504AD8C9D41E7378F130D7BF" xlink:to="lab_us-gaap_NetIncomeLoss_7805B794504AD8C9D41E7378F130D7BF" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5B1CCEBBB7A922EB74097378F1313441_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5B1CCEBBB7A922EB74097378F1313441" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average common shares outstanding &#8212; basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5B1CCEBBB7A922EB74097378F1313441" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5B1CCEBBB7A922EB74097378F1313441" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5B1CCEBBB7A922EB74097378F1313441" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_194CA21DEE8446882C2B7378F13104A9_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_194CA21DEE8446882C2B7378F13104A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Number Diluted Shares Outstanding Adjustment</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_194CA21DEE8446882C2B7378F13104A9_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_194CA21DEE8446882C2B7378F13104A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number Diluted Shares Outstanding Adjustment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_194CA21DEE8446882C2B7378F13104A9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_194CA21DEE8446882C2B7378F13104A9" xlink:to="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_194CA21DEE8446882C2B7378F13104A9" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5BB549FE8A87DFF9DB1E7378F13145AB_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5BB549FE8A87DFF9DB1E7378F13145AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average common and potentially issuable common shares outstanding &#8212; diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5BB549FE8A87DFF9DB1E7378F13145AB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5BB549FE8A87DFF9DB1E7378F13145AB" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5BB549FE8A87DFF9DB1E7378F13145AB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_B79C7D61F96A11EE55922289BEB16017_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_B79C7D61F96A11EE55922289BEB16017" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_B79C7D61F96A11EE55922289BEB16017_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_B79C7D61F96A11EE55922289BEB16017" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:label="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_B79C7D61F96A11EE55922289BEB16017" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_B79C7D61F96A11EE55922289BEB16017" xlink:to="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_B79C7D61F96A11EE55922289BEB16017" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_50E31D0C248C0B80A6492289C002A87B_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_50E31D0C248C0B80A6492289C002A87B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_50E31D0C248C0B80A6492289C002A87B_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_50E31D0C248C0B80A6492289C002A87B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_50E31D0C248C0B80A6492289C002A87B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_50E31D0C248C0B80A6492289C002A87B" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_50E31D0C248C0B80A6492289C002A87B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AwardTypeAxis_5F342EB78BC7FDDE9FB92289C0025D0C_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_5F342EB78BC7FDDE9FB92289C0025D0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:label id="lab_us-gaap_AwardTypeAxis_5F342EB78BC7FDDE9FB92289C0025D0C_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_5F342EB78BC7FDDE9FB92289C0025D0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_5F342EB78BC7FDDE9FB92289C0025D0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis_5F342EB78BC7FDDE9FB92289C0025D0C" xlink:to="lab_us-gaap_AwardTypeAxis_5F342EB78BC7FDDE9FB92289C0025D0C" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BF8DE1C08B89F82C3A822289C002D6BE_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BF8DE1C08B89F82C3A822289C002D6BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BF8DE1C08B89F82C3A822289C002D6BE_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BF8DE1C08B89F82C3A822289C002D6BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Award [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BF8DE1C08B89F82C3A822289C002D6BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BF8DE1C08B89F82C3A822289C002D6BE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BF8DE1C08B89F82C3A822289C002D6BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_RestrictedStockMember_CEC1DBD7CA7D96F6061E2289C0030B31_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockMember_CEC1DBD7CA7D96F6061E2289C0030B31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Stock [Member]</link:label>
    <link:label id="lab_us-gaap_RestrictedStockMember_CEC1DBD7CA7D96F6061E2289C0030B31_label_en-US" xlink:label="lab_us-gaap_RestrictedStockMember_CEC1DBD7CA7D96F6061E2289C0030B31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_CEC1DBD7CA7D96F6061E2289C0030B31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockMember_CEC1DBD7CA7D96F6061E2289C0030B31" xlink:to="lab_us-gaap_RestrictedStockMember_CEC1DBD7CA7D96F6061E2289C0030B31" xlink:type="arc" />
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpensesMember_AD386A612FF7E3DFE6552289C004FC7E_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpensesMember_AD386A612FF7E3DFE6552289C004FC7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expenses [Member]</link:label>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpensesMember_AD386A612FF7E3DFE6552289C004FC7E_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpensesMember_AD386A612FF7E3DFE6552289C004FC7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expenses [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_AD386A612FF7E3DFE6552289C004FC7E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_AD386A612FF7E3DFE6552289C004FC7E" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpensesMember_AD386A612FF7E3DFE6552289C004FC7E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8EB7B260F721AF8DB3832289C0059C97_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8EB7B260F721AF8DB3832289C0059C97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8EB7B260F721AF8DB3832289C0059C97_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8EB7B260F721AF8DB3832289C0059C97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8EB7B260F721AF8DB3832289C0059C97" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8EB7B260F721AF8DB3832289C0059C97" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8EB7B260F721AF8DB3832289C0059C97" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_0C496006C5474F4CEC232289C005D3FD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_0C496006C5474F4CEC232289C005D3FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares authorized</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_0C496006C5474F4CEC232289C005D3FD_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_0C496006C5474F4CEC232289C005D3FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_0C496006C5474F4CEC232289C005D3FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_0C496006C5474F4CEC232289C005D3FD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_0C496006C5474F4CEC232289C005D3FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_A27632B687D0BC2B99192289C005C125_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_A27632B687D0BC2B99192289C005C125" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation costs</link:label>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_A27632B687D0BC2B99192289C005C125_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_A27632B687D0BC2B99192289C005C125" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allocated Share-based Compensation Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_A27632B687D0BC2B99192289C005C125" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_A27632B687D0BC2B99192289C005C125" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_A27632B687D0BC2B99192289C005C125" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_1D2151F7F08D5EC63C812289C006D18B_verboseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_1D2151F7F08D5EC63C812289C006D18B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tax benefit recorded to additional paid in capital</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_1D2151F7F08D5EC63C812289C006D18B_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_1D2151F7F08D5EC63C812289C006D18B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_1D2151F7F08D5EC63C812289C006D18B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_1D2151F7F08D5EC63C812289C006D18B" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_1D2151F7F08D5EC63C812289C006D18B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_166A463712F7197A86D12289C00668E5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_166A463712F7197A86D12289C00668E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Stock Rollforward, Shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_166A463712F7197A86D12289C00668E5_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_166A463712F7197A86D12289C00668E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_166A463712F7197A86D12289C00668E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_166A463712F7197A86D12289C00668E5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_166A463712F7197A86D12289C00668E5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6912FB199CE3E6AB75DB2289C007C089_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6912FB199CE3E6AB75DB2289C007C089" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Unvested balance at December 31, 2016</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6912FB199CE3E6AB75DB2289C007C089_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6912FB199CE3E6AB75DB2289C007C089" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6912FB199CE3E6AB75DB2289C007C089" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6912FB199CE3E6AB75DB2289C007C089" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6912FB199CE3E6AB75DB2289C007C089" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_036A0CCCE1DA7B888C872289C00784BE_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_036A0CCCE1DA7B888C872289C00784BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Granted</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_036A0CCCE1DA7B888C872289C00784BE_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_036A0CCCE1DA7B888C872289C00784BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_036A0CCCE1DA7B888C872289C00784BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_036A0CCCE1DA7B888C872289C00784BE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_036A0CCCE1DA7B888C872289C00784BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B41927EF97C1485B65AD2289C0077D6E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B41927EF97C1485B65AD2289C0077D6E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Vested</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B41927EF97C1485B65AD2289C0077D6E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B41927EF97C1485B65AD2289C0077D6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B41927EF97C1485B65AD2289C0077D6E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B41927EF97C1485B65AD2289C0077D6E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B41927EF97C1485B65AD2289C0077D6E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9DE2659750EA758E98442289C0075B9B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9DE2659750EA758E98442289C0075B9B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Forfeited</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9DE2659750EA758E98442289C0075B9B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9DE2659750EA758E98442289C0075B9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9DE2659750EA758E98442289C0075B9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9DE2659750EA758E98442289C0075B9B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9DE2659750EA758E98442289C0075B9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_530CE42D62EC32E528DA2289C00801BD_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_530CE42D62EC32E528DA2289C00801BD" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Unvested balance at Period End</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_530CE42D62EC32E528DA2289C00801BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_530CE42D62EC32E528DA2289C00801BD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_530CE42D62EC32E528DA2289C00801BD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_35F3A33C3261540B0C102289C008F277_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_35F3A33C3261540B0C102289C008F277" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Grant Date Fair Value of Restricted Stock</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_35F3A33C3261540B0C102289C008F277_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_35F3A33C3261540B0C102289C008F277" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_35F3A33C3261540B0C102289C008F277" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_35F3A33C3261540B0C102289C008F277" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_35F3A33C3261540B0C102289C008F277" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_299617E1D0643764E6E72289C008BE29_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_299617E1D0643764E6E72289C008BE29" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unvested balance at December 31, 2015, USD per share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_299617E1D0643764E6E72289C008BE29_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_299617E1D0643764E6E72289C008BE29" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_299617E1D0643764E6E72289C008BE29" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_299617E1D0643764E6E72289C008BE29" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_299617E1D0643764E6E72289C008BE29" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_AEF6C9552A1C0B4E7D992289C009FBBD_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_AEF6C9552A1C0B4E7D992289C009FBBD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Granted, USD per share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_AEF6C9552A1C0B4E7D992289C009FBBD_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_AEF6C9552A1C0B4E7D992289C009FBBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_AEF6C9552A1C0B4E7D992289C009FBBD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_AEF6C9552A1C0B4E7D992289C009FBBD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_AEF6C9552A1C0B4E7D992289C009FBBD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A7DD8B092A2C330F5A012289C009E326_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A7DD8B092A2C330F5A012289C009E326" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested, USD per share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A7DD8B092A2C330F5A012289C009E326_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A7DD8B092A2C330F5A012289C009E326" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A7DD8B092A2C330F5A012289C009E326" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A7DD8B092A2C330F5A012289C009E326" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A7DD8B092A2C330F5A012289C009E326" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_AD46A98F409F082076D02289C009B0E7_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_AD46A98F409F082076D02289C009B0E7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Forfeited, USD per share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_AD46A98F409F082076D02289C009B0E7_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_AD46A98F409F082076D02289C009B0E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_AD46A98F409F082076D02289C009B0E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_AD46A98F409F082076D02289C009B0E7" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_AD46A98F409F082076D02289C009B0E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_93EBCC59E7C37D1B240C2289C00A4E29_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_93EBCC59E7C37D1B240C2289C00A4E29" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Unvested balance at Period End, USD per share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_93EBCC59E7C37D1B240C2289C00A4E29" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_93EBCC59E7C37D1B240C2289C00A4E29" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_93EBCC59E7C37D1B240C2289C00A4E29" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_5F5C9AC33B8459AB0BBB2289C00AB7A7_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_5F5C9AC33B8459AB0BBB2289C00AB7A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized compensation expense</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_5F5C9AC33B8459AB0BBB2289C00AB7A7_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_5F5C9AC33B8459AB0BBB2289C00AB7A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_5F5C9AC33B8459AB0BBB2289C00AB7A7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_5F5C9AC33B8459AB0BBB2289C00AB7A7" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_5F5C9AC33B8459AB0BBB2289C00AB7A7" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0DE681D3BAC01BB475562289C00A2770_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0DE681D3BAC01BB475562289C00A2770" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0DE681D3BAC01BB475562289C00A2770_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0DE681D3BAC01BB475562289C00A2770" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0DE681D3BAC01BB475562289C00A2770" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0DE681D3BAC01BB475562289C00A2770" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0DE681D3BAC01BB475562289C00A2770" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_809FAB85EFF43C7E51482289C00A5E58_terseLabel_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_809FAB85EFF43C7E51482289C00A5E58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares Paid for Tax Withholding for Share Based Compensation</link:label>
    <link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_809FAB85EFF43C7E51482289C00A5E58_label_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_809FAB85EFF43C7E51482289C00A5E58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Paid for Tax Withholding for Share Based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_809FAB85EFF43C7E51482289C00A5E58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_809FAB85EFF43C7E51482289C00A5E58" xlink:to="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_809FAB85EFF43C7E51482289C00A5E58" xlink:type="arc" />
    <link:label id="lab_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE_terseLabel_en-US" xlink:label="lab_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Minimum</link:label>
    <link:label id="lab_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE_label_en-US" xlink:label="lab_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Minimum</link:label>
    <link:label id="lab_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE_documentation_en-US" xlink:label="lab_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Minimum</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_ForfeitureRateMinimum" xlink:label="loc_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE" xlink:to="lab_cmt_ForfeitureRateMinimum_CCE3ADAE7A1DA280AE4E2289C00B79DE" xlink:type="arc" />
    <link:label id="lab_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA_terseLabel_en-US" xlink:label="lab_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Maximum</link:label>
    <link:label id="lab_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA_label_en-US" xlink:label="lab_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Maximum</link:label>
    <link:label id="lab_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA_documentation_en-US" xlink:label="lab_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Maximum</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_ForfeitureRateMaximum" xlink:label="loc_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA" xlink:to="lab_cmt_ForfeitureRateMaximum_CBDAB856A5E9EA40ACE22289C00BF9EA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_0EBD77FA914BBDBE2DA078F642ECEAED_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_0EBD77FA914BBDBE2DA078F642ECEAED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_0EBD77FA914BBDBE2DA078F642ECEAED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_0EBD77FA914BBDBE2DA078F642ECEAED" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_0EBD77FA914BBDBE2DA078F642ECEAED" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8AE8478ED0FF73D8179278F642EDC9D1_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8AE8478ED0FF73D8179278F642EDC9D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Table]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8AE8478ED0FF73D8179278F642EDC9D1_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8AE8478ED0FF73D8179278F642EDC9D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8AE8478ED0FF73D8179278F642EDC9D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8AE8478ED0FF73D8179278F642EDC9D1" xlink:to="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8AE8478ED0FF73D8179278F642EDC9D1" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfSalesMember_4D9CBE30ADC3B5D6C76178F642F0E25E_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfSalesMember_4D9CBE30ADC3B5D6C76178F642F0E25E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of Sales [Member]</link:label>
    <link:label id="lab_us-gaap_CostOfSalesMember_4D9CBE30ADC3B5D6C76178F642F0E25E_label_en-US" xlink:label="lab_us-gaap_CostOfSalesMember_4D9CBE30ADC3B5D6C76178F642F0E25E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Sales [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_4D9CBE30ADC3B5D6C76178F642F0E25E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfSalesMember_4D9CBE30ADC3B5D6C76178F642F0E25E" xlink:to="lab_us-gaap_CostOfSalesMember_4D9CBE30ADC3B5D6C76178F642F0E25E" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseMember_C9A84AAF6A1490FD9DF878F642F0B1C4_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseMember_C9A84AAF6A1490FD9DF878F642F0B1C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Expense [Member]</link:label>
    <link:label id="lab_us-gaap_InterestExpenseMember_C9A84AAF6A1490FD9DF878F642F0B1C4_label_en-US" xlink:label="lab_us-gaap_InterestExpenseMember_C9A84AAF6A1490FD9DF878F642F0B1C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_us-gaap_InterestExpenseMember_C9A84AAF6A1490FD9DF878F642F0B1C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseMember_C9A84AAF6A1490FD9DF878F642F0B1C4" xlink:to="lab_us-gaap_InterestExpenseMember_C9A84AAF6A1490FD9DF878F642F0B1C4" xlink:type="arc" />
    <link:label id="lab_us-gaap_HedgingDesignationAxis_A8F911E01C166A9001CC78F642F06A3A_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis_A8F911E01C166A9001CC78F642F06A3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Designation [Axis]</link:label>
    <link:label id="lab_us-gaap_HedgingDesignationAxis_A8F911E01C166A9001CC78F642F06A3A_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis_A8F911E01C166A9001CC78F642F06A3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Designation [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_A8F911E01C166A9001CC78F642F06A3A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingDesignationAxis_A8F911E01C166A9001CC78F642F06A3A" xlink:to="lab_us-gaap_HedgingDesignationAxis_A8F911E01C166A9001CC78F642F06A3A" xlink:type="arc" />
    <link:label id="lab_us-gaap_HedgingDesignationDomain_EC42502EC8518A96D7E878F642F18454_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_EC42502EC8518A96D7E878F642F18454" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Designation [Domain]</link:label>
    <link:label id="lab_us-gaap_HedgingDesignationDomain_EC42502EC8518A96D7E878F642F18454_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_EC42502EC8518A96D7E878F642F18454" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Designation [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_EC42502EC8518A96D7E878F642F18454" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingDesignationDomain_EC42502EC8518A96D7E878F642F18454" xlink:to="lab_us-gaap_HedgingDesignationDomain_EC42502EC8518A96D7E878F642F18454" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_CF2B0E5FAA439FAFAA3D78F642F1FDCE_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_CF2B0E5FAA439FAFAA3D78F642F1FDCE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Relationship [Axis]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_CF2B0E5FAA439FAFAA3D78F642F1FDCE_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_CF2B0E5FAA439FAFAA3D78F642F1FDCE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Relationship [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_CF2B0E5FAA439FAFAA3D78F642F1FDCE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_CF2B0E5FAA439FAFAA3D78F642F1FDCE" xlink:to="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_CF2B0E5FAA439FAFAA3D78F642F1FDCE" xlink:type="arc" />
    <link:label id="lab_us-gaap_HedgingRelationshipDomain_64B1DCFFE47742A102A178F642F14559_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingRelationshipDomain_64B1DCFFE47742A102A178F642F14559" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Relationship [Domain]</link:label>
    <link:label id="lab_us-gaap_HedgingRelationshipDomain_64B1DCFFE47742A102A178F642F14559_label_en-US" xlink:label="lab_us-gaap_HedgingRelationshipDomain_64B1DCFFE47742A102A178F642F14559" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Relationship [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_64B1DCFFE47742A102A178F642F14559" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingRelationshipDomain_64B1DCFFE47742A102A178F642F14559" xlink:to="lab_us-gaap_HedgingRelationshipDomain_64B1DCFFE47742A102A178F642F14559" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossLineItems_DC7EB6A3E4EF7325152378F642F10CB0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossLineItems_DC7EB6A3E4EF7325152378F642F10CB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Line Items]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossLineItems_DC7EB6A3E4EF7325152378F642F10CB0_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossLineItems_DC7EB6A3E4EF7325152378F642F10CB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_DC7EB6A3E4EF7325152378F642F10CB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_DC7EB6A3E4EF7325152378F642F10CB0" xlink:to="lab_us-gaap_DerivativeInstrumentsGainLossLineItems_DC7EB6A3E4EF7325152378F642F10CB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_479C4D37C56611F8166B78F642F2ED31_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_479C4D37C56611F8166B78F642F2ED31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Loss on Foreign Currency Derivatives, before Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_479C4D37C56611F8166B78F642F2ED31_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_479C4D37C56611F8166B78F642F2ED31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_479C4D37C56611F8166B78F642F2ED31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_479C4D37C56611F8166B78F642F2ED31" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_479C4D37C56611F8166B78F642F2ED31" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_836B3313B95702E67727736BEDD6EC16_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_836B3313B95702E67727736BEDD6EC16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_836B3313B95702E67727736BEDD6EC16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_836B3313B95702E67727736BEDD6EC16" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_836B3313B95702E67727736BEDD6EC16" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_F05A90B79D54724AA513736BEDD94333_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_F05A90B79D54724AA513736BEDD94333" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Disposition of Assets</link:label>
    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_F05A90B79D54724AA513736BEDD94333_label_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_F05A90B79D54724AA513736BEDD94333" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Disposition of Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_F05A90B79D54724AA513736BEDD94333" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDispositionOfAssets1_F05A90B79D54724AA513736BEDD94333" xlink:to="lab_us-gaap_GainLossOnDispositionOfAssets1_F05A90B79D54724AA513736BEDD94333" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfDividends_8EB22253DD2D1D871D4A736BEDD916D9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_8EB22253DD2D1D871D4A736BEDD916D9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments of Dividends</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividends_8EB22253DD2D1D871D4A736BEDD916D9_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_8EB22253DD2D1D871D4A736BEDD916D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Dividends</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_8EB22253DD2D1D871D4A736BEDD916D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividends_8EB22253DD2D1D871D4A736BEDD916D9" xlink:to="lab_us-gaap_PaymentsOfDividends_8EB22253DD2D1D871D4A736BEDD916D9" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_8CD1E75E49ACDBDF2617736BEDD9555B_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_8CD1E75E49ACDBDF2617736BEDD9555B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_8CD1E75E49ACDBDF2617736BEDD9555B_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_8CD1E75E49ACDBDF2617736BEDD9555B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_8CD1E75E49ACDBDF2617736BEDD9555B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_8CD1E75E49ACDBDF2617736BEDD9555B" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_8CD1E75E49ACDBDF2617736BEDD9555B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_81448956B20A25DF277B736BEDDAEDC1_verboseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_81448956B20A25DF277B736BEDDAEDC1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_81448956B20A25DF277B736BEDDAEDC1_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_81448956B20A25DF277B736BEDDAEDC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_81448956B20A25DF277B736BEDDAEDC1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_81448956B20A25DF277B736BEDDAEDC1" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_81448956B20A25DF277B736BEDDAEDC1" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_424DAD886CF26C8D8933736BEDDA44A7_verboseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_424DAD886CF26C8D8933736BEDDA44A7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_424DAD886CF26C8D8933736BEDDA44A7_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_424DAD886CF26C8D8933736BEDDA44A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Depletion and Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_424DAD886CF26C8D8933736BEDDA44A7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_424DAD886CF26C8D8933736BEDDA44A7" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_424DAD886CF26C8D8933736BEDDA44A7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensation_5960FF637C28C30FEAE6736BEDDAF5C7_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_5960FF637C28C30FEAE6736BEDDAF5C7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_5960FF637C28C30FEAE6736BEDDAF5C7_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_5960FF637C28C30FEAE6736BEDDAF5C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_5960FF637C28C30FEAE6736BEDDAF5C7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation_5960FF637C28C30FEAE6736BEDDAF5C7" xlink:to="lab_us-gaap_ShareBasedCompensation_5960FF637C28C30FEAE6736BEDDAF5C7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_581545BFA6C4F1DCCA79736BEDDA0F7F_negatedLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_581545BFA6C4F1DCCA79736BEDDA0F7F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">(Gain) loss on foreign currency translation and transaction</link:label>
    <link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_581545BFA6C4F1DCCA79736BEDDA0F7F_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_581545BFA6C4F1DCCA79736BEDDA0F7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Transaction Gain (Loss), Unrealized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_581545BFA6C4F1DCCA79736BEDDA0F7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_581545BFA6C4F1DCCA79736BEDDA0F7F" xlink:to="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_581545BFA6C4F1DCCA79736BEDDA0F7F" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_15138B425BCD804C8B83736BEDDB98A3_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_15138B425BCD804C8B83736BEDDB98A3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Change in operating assets and liabilities:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_15138B425BCD804C8B83736BEDDB98A3_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_15138B425BCD804C8B83736BEDDB98A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_15138B425BCD804C8B83736BEDDB98A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_15138B425BCD804C8B83736BEDDB98A3" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_15138B425BCD804C8B83736BEDDB98A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_547A3F90E079A793DBD3736BEDDB0DB0_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_547A3F90E079A793DBD3736BEDDB0DB0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_547A3F90E079A793DBD3736BEDDB0DB0_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_547A3F90E079A793DBD3736BEDDB0DB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_547A3F90E079A793DBD3736BEDDB0DB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_547A3F90E079A793DBD3736BEDDB0DB0" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_547A3F90E079A793DBD3736BEDDB0DB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_AB9AD690A463E4D374FB736BEDDBDB21_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_AB9AD690A463E4D374FB736BEDDBDB21" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_AB9AD690A463E4D374FB736BEDDBDB21_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_AB9AD690A463E4D374FB736BEDDBDB21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Inventories</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_AB9AD690A463E4D374FB736BEDDBDB21" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories_AB9AD690A463E4D374FB736BEDDBDB21" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories_AB9AD690A463E4D374FB736BEDDBDB21" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_DE653C2879605ED80810736BEDDB47F2_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_DE653C2879605ED80810736BEDDB47F2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Prepaid and other assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_DE653C2879605ED80810736BEDDB47F2_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_DE653C2879605ED80810736BEDDB47F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_DE653C2879605ED80810736BEDDB47F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_DE653C2879605ED80810736BEDDB47F2" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_DE653C2879605ED80810736BEDDB47F2" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_CD963D8826E813100BD6736BEDDC78F3_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_CD963D8826E813100BD6736BEDDC78F3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_CD963D8826E813100BD6736BEDDC78F3_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_CD963D8826E813100BD6736BEDDC78F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_CD963D8826E813100BD6736BEDDC78F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayable_CD963D8826E813100BD6736BEDDC78F3" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayable_CD963D8826E813100BD6736BEDDC78F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E87C7F81133B293C4A7C736BEDDC8738_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E87C7F81133B293C4A7C736BEDDC8738" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued and other liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E87C7F81133B293C4A7C736BEDDC8738_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E87C7F81133B293C4A7C736BEDDC8738" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E87C7F81133B293C4A7C736BEDDC8738" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E87C7F81133B293C4A7C736BEDDC8738" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E87C7F81133B293C4A7C736BEDDC8738" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInPostretirementObligations_31B2E9CF96B6BF6C16F3736BEDDC091E_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPostretirementObligations_31B2E9CF96B6BF6C16F3736BEDDC091E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Post retirement benefits liability</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPostretirementObligations_31B2E9CF96B6BF6C16F3736BEDDC091E_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPostretirementObligations_31B2E9CF96B6BF6C16F3736BEDDC091E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Obligation, Other Postretirement Benefits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPostretirementObligations" xlink:label="loc_us-gaap_IncreaseDecreaseInPostretirementObligations_31B2E9CF96B6BF6C16F3736BEDDC091E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPostretirementObligations_31B2E9CF96B6BF6C16F3736BEDDC091E" xlink:to="lab_us-gaap_IncreaseDecreaseInPostretirementObligations_31B2E9CF96B6BF6C16F3736BEDDC091E" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_D4B7EED80B623303123D736BEDDC8618_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_D4B7EED80B623303123D736BEDDC8618" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_D4B7EED80B623303123D736BEDDC8618_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_D4B7EED80B623303123D736BEDDC8618" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_D4B7EED80B623303123D736BEDDC8618" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_D4B7EED80B623303123D736BEDDC8618" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_D4B7EED80B623303123D736BEDDC8618" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_EE61D17BEA6FA2D44C41736BEDDCC27D_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_EE61D17BEA6FA2D44C41736BEDDCC27D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_EE61D17BEA6FA2D44C41736BEDDCC27D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_EE61D17BEA6FA2D44C41736BEDDCC27D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_EE61D17BEA6FA2D44C41736BEDDCC27D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_EE61D17BEA6FA2D44C41736BEDDCC27D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_EE61D17BEA6FA2D44C41736BEDDCC27D" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3CA285B1159AFB132115736BEDDD54F0_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3CA285B1159AFB132115736BEDDD54F0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchase of property, plant and equipment</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3CA285B1159AFB132115736BEDDD54F0_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3CA285B1159AFB132115736BEDDD54F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3CA285B1159AFB132115736BEDDD54F0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3CA285B1159AFB132115736BEDDD54F0" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3CA285B1159AFB132115736BEDDD54F0" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1382BB6D8444308B2581736BEDDD4B65_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1382BB6D8444308B2581736BEDDD4B65" 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_1382BB6D8444308B2581736BEDDD4B65_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1382BB6D8444308B2581736BEDDD4B65" 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_1382BB6D8444308B2581736BEDDD4B65" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1382BB6D8444308B2581736BEDDD4B65" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1382BB6D8444308B2581736BEDDD4B65" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1CE93BF1E2619D6B6184736BEDDDED31_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1CE93BF1E2619D6B6184736BEDDDED31" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1CE93BF1E2619D6B6184736BEDDDED31_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1CE93BF1E2619D6B6184736BEDDDED31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <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_1CE93BF1E2619D6B6184736BEDDDED31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1CE93BF1E2619D6B6184736BEDDDED31" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1CE93BF1E2619D6B6184736BEDDDED31" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfDebt_AE72239450DEC07128B9736BEDDD535C_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfDebt_AE72239450DEC07128B9736BEDDD535C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from (Repayments of) Debt</link:label>
    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfDebt_AE72239450DEC07128B9736BEDDD535C_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfDebt_AE72239450DEC07128B9736BEDDD535C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from (Repayments of) Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfDebt_AE72239450DEC07128B9736BEDDD535C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfDebt_AE72239450DEC07128B9736BEDDD535C" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfDebt_AE72239450DEC07128B9736BEDDD535C" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfShortTermDebt_EC15996925B8B8B3B508736BEDDE7123_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfShortTermDebt_EC15996925B8B8B3B508736BEDDE7123" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repayments of Short-term Debt</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfShortTermDebt_EC15996925B8B8B3B508736BEDDE7123_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfShortTermDebt_EC15996925B8B8B3B508736BEDDE7123" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Short-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_RepaymentsOfShortTermDebt_EC15996925B8B8B3B508736BEDDE7123" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfShortTermDebt_EC15996925B8B8B3B508736BEDDE7123" xlink:to="lab_us-gaap_RepaymentsOfShortTermDebt_EC15996925B8B8B3B508736BEDDE7123" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromLinesOfCredit_A88446BD88CA65B619BD736BEDDEB9DE_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_A88446BD88CA65B619BD736BEDDEB9DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Lines of Credit</link:label>
    <link:label id="lab_us-gaap_ProceedsFromLinesOfCredit_A88446BD88CA65B619BD736BEDDEB9DE_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_A88446BD88CA65B619BD736BEDDEB9DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Lines of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_A88446BD88CA65B619BD736BEDDEB9DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromLinesOfCredit_A88446BD88CA65B619BD736BEDDEB9DE" xlink:to="lab_us-gaap_ProceedsFromLinesOfCredit_A88446BD88CA65B619BD736BEDDEB9DE" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfLoanCosts_99C886FB690E9FB7B69B736BEDDE30EE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfLoanCosts_99C886FB690E9FB7B69B736BEDDE30EE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments of Loan Costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfLoanCosts_99C886FB690E9FB7B69B736BEDDE30EE_label_en-US" xlink:label="lab_us-gaap_PaymentsOfLoanCosts_99C886FB690E9FB7B69B736BEDDE30EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Loan Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfLoanCosts" xlink:label="loc_us-gaap_PaymentsOfLoanCosts_99C886FB690E9FB7B69B736BEDDE30EE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfLoanCosts_99C886FB690E9FB7B69B736BEDDE30EE" xlink:to="lab_us-gaap_PaymentsOfLoanCosts_99C886FB690E9FB7B69B736BEDDE30EE" xlink:type="arc" />
    <link:label id="lab_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4_negatedTerseLabel_en-US" xlink:label="lab_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments related to purchase of treasury stock</link:label>
    <link:label id="lab_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4_label_en-US" xlink:label="lab_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments related to purchase of treasury stock</link:label>
    <link:label id="lab_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4_documentation_en-US" xlink:label="lab_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments related to purchase of treasury stock</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_Paymentsrelatedtopurchaseoftreasurystock" xlink:label="loc_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4" xlink:to="lab_cmt_Paymentsrelatedtopurchaseoftreasurystock_F15D0902D8E635C8BCED736BEDDE8AD4" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5581E1AAF0C5AD83983A736BEDDE37EF_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5581E1AAF0C5AD83983A736BEDDE37EF" 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_5581E1AAF0C5AD83983A736BEDDE37EF_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5581E1AAF0C5AD83983A736BEDDE37EF" 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_5581E1AAF0C5AD83983A736BEDDE37EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5581E1AAF0C5AD83983A736BEDDE37EF" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5581E1AAF0C5AD83983A736BEDDE37EF" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationConsiderationTransferred1_0B741856BA87162E57D9736BEDDE7937_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationConsiderationTransferred1_0B741856BA87162E57D9736BEDDE7937" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Business Combination, Consideration Transferred</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_0B741856BA87162E57D9736BEDDE7937" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_0B741856BA87162E57D9736BEDDE7937" xlink:to="lab_us-gaap_BusinessCombinationConsiderationTransferred1_0B741856BA87162E57D9736BEDDE7937" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfLinesOfCredit_1A36E05FE709B3E3191C736BEDDFCEDE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_1A36E05FE709B3E3191C736BEDDFCEDE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repayments of Lines of Credit</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfLinesOfCredit_1A36E05FE709B3E3191C736BEDDFCEDE_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_1A36E05FE709B3E3191C736BEDDFCEDE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Lines of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_1A36E05FE709B3E3191C736BEDDFCEDE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLinesOfCredit_1A36E05FE709B3E3191C736BEDDFCEDE" xlink:to="lab_us-gaap_RepaymentsOfLinesOfCredit_1A36E05FE709B3E3191C736BEDDFCEDE" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_71834C15EFCDCADD289B736D2990CA7B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_71834C15EFCDCADD289B736D2990CA7B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments of Financing Costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_71834C15EFCDCADD289B736D2990CA7B_label_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_71834C15EFCDCADD289B736D2990CA7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Financing Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_71834C15EFCDCADD289B736D2990CA7B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfFinancingCosts_71834C15EFCDCADD289B736D2990CA7B" xlink:to="lab_us-gaap_PaymentsOfFinancingCosts_71834C15EFCDCADD289B736D2990CA7B" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_65E4CB320929BC0FFF6E736BEDDF7F53_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_65E4CB320929BC0FFF6E736BEDDF7F53" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net change in cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_65E4CB320929BC0FFF6E736BEDDF7F53_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_65E4CB320929BC0FFF6E736BEDDF7F53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_65E4CB320929BC0FFF6E736BEDDF7F53" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_65E4CB320929BC0FFF6E736BEDDF7F53" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_65E4CB320929BC0FFF6E736BEDDF7F53" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F351EAE942898B81B6B3736BEDDF83B6_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F351EAE942898B81B6B3736BEDDF83B6" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at beginning of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F351EAE942898B81B6B3736BEDDF83B6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F351EAE942898B81B6B3736BEDDF83B6" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F351EAE942898B81B6B3736BEDDF83B6" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_990849A730989CED9C0D736BEDDFFE38_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_990849A730989CED9C0D736BEDDFFE38" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_990849A730989CED9C0D736BEDDFFE38" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_990849A730989CED9C0D736BEDDFFE38" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_990849A730989CED9C0D736BEDDFFE38" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestPaidAbstract_B20EC4FF1DEFEA84D745736BEDDF3293_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidAbstract_B20EC4FF1DEFEA84D745736BEDDF3293" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for:</link:label>
    <link:label id="lab_us-gaap_InterestPaidAbstract_B20EC4FF1DEFEA84D745736BEDDF3293_label_en-US" xlink:label="lab_us-gaap_InterestPaidAbstract_B20EC4FF1DEFEA84D745736BEDDF3293" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaidAbstract" xlink:label="loc_us-gaap_InterestPaidAbstract_B20EC4FF1DEFEA84D745736BEDDF3293" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidAbstract_B20EC4FF1DEFEA84D745736BEDDF3293" xlink:to="lab_us-gaap_InterestPaidAbstract_B20EC4FF1DEFEA84D745736BEDDF3293" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestPaid_171BF55C9597EBF28AB4736BEDE0CB43_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_171BF55C9597EBF28AB4736BEDE0CB43" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest (net of amounts capitalized)</link:label>
    <link:label id="lab_us-gaap_InterestPaid_171BF55C9597EBF28AB4736BEDE0CB43_label_en-US" xlink:label="lab_us-gaap_InterestPaid_171BF55C9597EBF28AB4736BEDE0CB43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Including Capitalized Interest, Operating and Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_171BF55C9597EBF28AB4736BEDE0CB43" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_171BF55C9597EBF28AB4736BEDE0CB43" xlink:to="lab_us-gaap_InterestPaid_171BF55C9597EBF28AB4736BEDE0CB43" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_350F26AC420A9009B803736BEDE0CA25_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_350F26AC420A9009B803736BEDE0CA25" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_350F26AC420A9009B803736BEDE0CA25_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_350F26AC420A9009B803736BEDE0CA25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_350F26AC420A9009B803736BEDE0CA25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_350F26AC420A9009B803736BEDE0CA25" xlink:to="lab_us-gaap_IncomeTaxesPaidNet_350F26AC420A9009B803736BEDE0CA25" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_FA8D0DECBEB60C678FC3736BEDE04D53_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_FA8D0DECBEB60C678FC3736BEDE04D53" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non Cash:</link:label>
    <link:label id="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_FA8D0DECBEB60C678FC3736BEDE04D53_label_en-US" xlink:label="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_FA8D0DECBEB60C678FC3736BEDE04D53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Investing and Financing Items [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract" xlink:label="loc_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_FA8D0DECBEB60C678FC3736BEDE04D53" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_FA8D0DECBEB60C678FC3736BEDE04D53" xlink:to="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_FA8D0DECBEB60C678FC3736BEDE04D53" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_34DC86454DA26A674581736BEDE1694B_verboseLabel_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_34DC86454DA26A674581736BEDE1694B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fixed asset purchases in accounts payable</link:label>
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_34DC86454DA26A674581736BEDE1694B_label_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_34DC86454DA26A674581736BEDE1694B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Expenditures Incurred but Not yet Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_34DC86454DA26A674581736BEDE1694B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_34DC86454DA26A674581736BEDE1694B" xlink:to="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_34DC86454DA26A674581736BEDE1694B" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_4B551941BC8523913DA42289BEFA05C2_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_4B551941BC8523913DA42289BEFA05C2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_4B551941BC8523913DA42289BEFA05C2_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_4B551941BC8523913DA42289BEFA05C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_4B551941BC8523913DA42289BEFA05C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_4B551941BC8523913DA42289BEFA05C2" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_4B551941BC8523913DA42289BEFA05C2" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_4C43999ECCCAB25CC1578F46BE66BD8C_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_4C43999ECCCAB25CC1578F46BE66BD8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_4C43999ECCCAB25CC1578F46BE66BD8C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_4C43999ECCCAB25CC1578F46BE66BD8C" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract_4C43999ECCCAB25CC1578F46BE66BD8C" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_06B092585B87060574658F46BE6670BD_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_06B092585B87060574658F46BE6670BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments for New Accounting Pronouncements [Axis]</link:label>
    <link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_06B092585B87060574658F46BE6670BD_label_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_06B092585B87060574658F46BE6670BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for New Accounting Pronouncements [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_06B092585B87060574658F46BE6670BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_06B092585B87060574658F46BE6670BD" xlink:to="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_06B092585B87060574658F46BE6670BD" xlink:type="arc" />
    <link:label id="lab_us-gaap_TypeOfAdoptionMember_6637A70204A983B3336E8F46BE6651B0_terseLabel_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_6637A70204A983B3336E8F46BE6651B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of Adoption [Domain]</link:label>
    <link:label id="lab_us-gaap_TypeOfAdoptionMember_6637A70204A983B3336E8F46BE6651B0_label_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_6637A70204A983B3336E8F46BE6651B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of Adoption [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_6637A70204A983B3336E8F46BE6651B0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TypeOfAdoptionMember_6637A70204A983B3336E8F46BE6651B0" xlink:to="lab_us-gaap_TypeOfAdoptionMember_6637A70204A983B3336E8F46BE6651B0" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountingStandardsUpdate201409Member_6D7D167EFFF055D6EB0A8F46BE6719FB_terseLabel_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201409Member_6D7D167EFFF055D6EB0A8F46BE6719FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounting Standards Update 2014-09 [Member]</link:label>
    <link:label id="lab_us-gaap_AccountingStandardsUpdate201409Member_6D7D167EFFF055D6EB0A8F46BE6719FB_label_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201409Member_6D7D167EFFF055D6EB0A8F46BE6719FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Standards Update 2014-09 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201409Member_6D7D167EFFF055D6EB0A8F46BE6719FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingStandardsUpdate201409Member_6D7D167EFFF055D6EB0A8F46BE6719FB" xlink:to="lab_us-gaap_AccountingStandardsUpdate201409Member_6D7D167EFFF055D6EB0A8F46BE6719FB" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockMember_E320D37945A75B2714368F46BE679AA6_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_E320D37945A75B2714368F46BE679AA6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common Stock Outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockMember_E320D37945A75B2714368F46BE679AA6_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_E320D37945A75B2714368F46BE679AA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_E320D37945A75B2714368F46BE679AA6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember_E320D37945A75B2714368F46BE679AA6" xlink:to="lab_us-gaap_CommonStockMember_E320D37945A75B2714368F46BE679AA6" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_62D6EA8259A06F8E6DC48F46BE68549C_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_62D6EA8259A06F8E6DC48F46BE68549C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paid-In Capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_62D6EA8259A06F8E6DC48F46BE68549C_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_62D6EA8259A06F8E6DC48F46BE68549C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_62D6EA8259A06F8E6DC48F46BE68549C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember_62D6EA8259A06F8E6DC48F46BE68549C" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember_62D6EA8259A06F8E6DC48F46BE68549C" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockMember_C668680AFC0FF7B1E4AF8F46BE687623_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_C668680AFC0FF7B1E4AF8F46BE687623" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock</link:label>
    <link:label id="lab_us-gaap_TreasuryStockMember_C668680AFC0FF7B1E4AF8F46BE687623_label_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_C668680AFC0FF7B1E4AF8F46BE687623" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_C668680AFC0FF7B1E4AF8F46BE687623" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockMember_C668680AFC0FF7B1E4AF8F46BE687623" xlink:to="lab_us-gaap_TreasuryStockMember_C668680AFC0FF7B1E4AF8F46BE687623" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsMember_D9F9484BE76B934682848F46BE68ABBB_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_D9F9484BE76B934682848F46BE68ABBB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsMember_D9F9484BE76B934682848F46BE68ABBB_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_D9F9484BE76B934682848F46BE68ABBB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_D9F9484BE76B934682848F46BE68ABBB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember_D9F9484BE76B934682848F46BE68ABBB" xlink:to="lab_us-gaap_RetainedEarningsMember_D9F9484BE76B934682848F46BE68ABBB" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_DD84E466F0C49769B8C48F46BE69710E_negatedPeriodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_DD84E466F0C49769B8C48F46BE69710E" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_DD84E466F0C49769B8C48F46BE69710E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_DD84E466F0C49769B8C48F46BE69710E" xlink:to="lab_us-gaap_StockholdersEquity_DD84E466F0C49769B8C48F46BE69710E" xlink:type="arc" />
    <link:label id="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_E3B220A40B98615FADDF8F46BE690C01_terseLabel_en-US" xlink:label="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_E3B220A40B98615FADDF8F46BE690C01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative Effect of New Accounting Principle in Period of Adoption</link:label>
    <link:label id="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_E3B220A40B98615FADDF8F46BE690C01_label_en-US" xlink:label="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_E3B220A40B98615FADDF8F46BE690C01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cumulative Effect of New Accounting Principle in Period of Adoption</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_E3B220A40B98615FADDF8F46BE690C01" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_E3B220A40B98615FADDF8F46BE690C01" xlink:to="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_E3B220A40B98615FADDF8F46BE690C01" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_46C520A45E84C3F0746E8F46BE696132_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_46C520A45E84C3F0746E8F46BE696132" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_46C520A45E84C3F0746E8F46BE696132" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_46C520A45E84C3F0746E8F46BE696132" xlink:to="lab_us-gaap_StockholdersEquity_46C520A45E84C3F0746E8F46BE696132" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsCommonStockCash_A5C89F019FD8F1435A408F46BE6A692A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_A5C89F019FD8F1435A408F46BE6A692A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments of Dividends</link:label>
    <link:label id="lab_us-gaap_DividendsCommonStockCash_A5C89F019FD8F1435A408F46BE6A692A_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_A5C89F019FD8F1435A408F46BE6A692A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock, Cash</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_A5C89F019FD8F1435A408F46BE6A692A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStockCash_A5C89F019FD8F1435A408F46BE6A692A" xlink:to="lab_us-gaap_DividendsCommonStockCash_A5C89F019FD8F1435A408F46BE6A692A" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInPostemploymentObligations_D7FD0AA7545CD31ABA098F46BEA7EC9C_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPostemploymentObligations_D7FD0AA7545CD31ABA098F46BEA7EC9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Postemployment Obligations</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPostemploymentObligations_D7FD0AA7545CD31ABA098F46BEA7EC9C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPostemploymentObligations_D7FD0AA7545CD31ABA098F46BEA7EC9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Postemployment Obligations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPostemploymentObligations" xlink:label="loc_us-gaap_IncreaseDecreaseInPostemploymentObligations_D7FD0AA7545CD31ABA098F46BEA7EC9C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPostemploymentObligations_D7FD0AA7545CD31ABA098F46BEA7EC9C" xlink:to="lab_us-gaap_IncreaseDecreaseInPostemploymentObligations_D7FD0AA7545CD31ABA098F46BEA7EC9C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_310D203489829F25D2BC8F46BE6AAE05_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_310D203489829F25D2BC8F46BE6AAE05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in post retirement benefits, net of tax benefit of $20,000</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_310D203489829F25D2BC8F46BE6AAE05_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_310D203489829F25D2BC8F46BE6AAE05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_310D203489829F25D2BC8F46BE6AAE05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_310D203489829F25D2BC8F46BE6AAE05" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_310D203489829F25D2BC8F46BE6AAE05" xlink:type="arc" />
    <link:label id="lab_us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1_67C701C9742FE762CB018F46BE6C2204_terseLabel_en-US" xlink:label="lab_us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1_67C701C9742FE762CB018F46BE6C2204" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Unrealized Gain (Loss) on Foreign Currency Fair Value Hedging Instruments</link:label>
    <link:label id="lab_us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1_67C701C9742FE762CB018F46BE6C2204_label_en-US" xlink:label="lab_us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1_67C701C9742FE762CB018F46BE6C2204" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in Unrealized Gain (Loss) on Foreign Currency Fair Value Hedging Instruments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1_67C701C9742FE762CB018F46BE6C2204" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1_67C701C9742FE762CB018F46BE6C2204" xlink:to="lab_us-gaap_ChangeInUnrealizedGainLossOnForeignCurrencyFairValueHedgingInstruments1_67C701C9742FE762CB018F46BE6C2204" xlink:type="arc" />
    <link:label id="lab_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920_terseLabel_en-US" xlink:label="lab_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Derivative Instruments Net Of Tax</link:label>
    <link:label id="lab_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920_label_en-US" xlink:label="lab_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Derivative Instruments Net Of Tax</link:label>
    <link:label id="lab_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920_documentation_en-US" xlink:label="lab_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes to accumulated comprehensive income resulting from gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges, and amortization of loss previously recognized in accumulated other comprehensive income on derivative instruments for which hedge accounting has been discontinued, net of tax. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk.</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax" xlink:label="loc_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920" xlink:to="lab_cmt_OtherComprehensiveIncomeDerivativeInstrumentsNetOfTax_5FCD05E5BCC928C619C68F46BE6CB920" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1CC3C2C618E81A26554F8F46BE6C46FE_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1CC3C2C618E81A26554F8F46BE6C46FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock issued- net, shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1CC3C2C618E81A26554F8F46BE6C46FE_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1CC3C2C618E81A26554F8F46BE6C46FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1CC3C2C618E81A26554F8F46BE6C46FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1CC3C2C618E81A26554F8F46BE6C46FE" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1CC3C2C618E81A26554F8F46BE6C46FE" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_A936B3F229FB475E75958F46BE6CBB09_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_A936B3F229FB475E75958F46BE6CBB09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock issued- net, value</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_A936B3F229FB475E75958F46BE6CBB09_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_A936B3F229FB475E75958F46BE6CBB09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_A936B3F229FB475E75958F46BE6CBB09" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_A936B3F229FB475E75958F46BE6CBB09" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_A936B3F229FB475E75958F46BE6CBB09" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockShares_231136F5FF82A5A300008F46BE6CC291_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_231136F5FF82A5A300008F46BE6CC291" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_231136F5FF82A5A300008F46BE6CC291" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockShares_231136F5FF82A5A300008F46BE6CC291" xlink:to="lab_us-gaap_TreasuryStockShares_231136F5FF82A5A300008F46BE6CC291" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockRetiredParValueMethodAmount_F45BD3FE9A07520039428F46BE6D6CB0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockRetiredParValueMethodAmount_F45BD3FE9A07520039428F46BE6D6CB0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock, Retired, Par Value Method, Amount</link:label>
    <link:label id="lab_us-gaap_TreasuryStockRetiredParValueMethodAmount_F45BD3FE9A07520039428F46BE6D6CB0_label_en-US" xlink:label="lab_us-gaap_TreasuryStockRetiredParValueMethodAmount_F45BD3FE9A07520039428F46BE6D6CB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Retired, Par Value Method, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockRetiredParValueMethodAmount" xlink:label="loc_us-gaap_TreasuryStockRetiredParValueMethodAmount_F45BD3FE9A07520039428F46BE6D6CB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockRetiredParValueMethodAmount_F45BD3FE9A07520039428F46BE6D6CB0" xlink:to="lab_us-gaap_TreasuryStockRetiredParValueMethodAmount_F45BD3FE9A07520039428F46BE6D6CB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_327F7C8542252D74D3948F46BE6D4990_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_327F7C8542252D74D3948F46BE6D4990" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net</link:label>
    <link:label id="lab_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_327F7C8542252D74D3948F46BE6D4990_label_en-US" xlink:label="lab_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_327F7C8542252D74D3948F46BE6D4990" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" xlink:label="loc_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_327F7C8542252D74D3948F46BE6D4990" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_327F7C8542252D74D3948F46BE6D4990" xlink:to="lab_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_327F7C8542252D74D3948F46BE6D4990" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_96168A28EA940232FBCF8F46BE6D451D_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_96168A28EA940232FBCF8F46BE6D451D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_96168A28EA940232FBCF8F46BE6D451D_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_96168A28EA940232FBCF8F46BE6D451D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_96168A28EA940232FBCF8F46BE6D451D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_96168A28EA940232FBCF8F46BE6D451D" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_96168A28EA940232FBCF8F46BE6D451D" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_955B12B603D71D9FADB18F46BE6DD44F_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_955B12B603D71D9FADB18F46BE6DD44F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_955B12B603D71D9FADB18F46BE6DD44F_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_955B12B603D71D9FADB18F46BE6DD44F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_955B12B603D71D9FADB18F46BE6DD44F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_955B12B603D71D9FADB18F46BE6DD44F" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_955B12B603D71D9FADB18F46BE6DD44F" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_D392E712B5EDA84BFEBD8F46BE6DFEEC_negatedPeriodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_D392E712B5EDA84BFEBD8F46BE6DFEEC" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_D392E712B5EDA84BFEBD8F46BE6DFEEC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_D392E712B5EDA84BFEBD8F46BE6DFEEC" xlink:to="lab_us-gaap_StockholdersEquity_D392E712B5EDA84BFEBD8F46BE6DFEEC" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_D3046FB7B9A9DCD5B79E2289BDE172C9_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_D3046FB7B9A9DCD5B79E2289BDE172C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Information [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_D3046FB7B9A9DCD5B79E2289BDE172C9_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_D3046FB7B9A9DCD5B79E2289BDE172C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Information [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_D3046FB7B9A9DCD5B79E2289BDE172C9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_D3046FB7B9A9DCD5B79E2289BDE172C9" xlink:to="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_D3046FB7B9A9DCD5B79E2289BDE172C9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_C686125F0847EC1404CF2289BDE2B1DF_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_C686125F0847EC1404CF2289BDE2B1DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Business Acquisitions, by Acquisition [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_C686125F0847EC1404CF2289BDE2B1DF_label_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_C686125F0847EC1404CF2289BDE2B1DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Business Acquisitions, by Acquisition [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_C686125F0847EC1404CF2289BDE2B1DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_C686125F0847EC1404CF2289BDE2B1DF" xlink:to="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_C686125F0847EC1404CF2289BDE2B1DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_942D846191B2E3FD60142289BDE2A0CD_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_942D846191B2E3FD60142289BDE2A0CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_942D846191B2E3FD60142289BDE2A0CD_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_942D846191B2E3FD60142289BDE2A0CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_942D846191B2E3FD60142289BDE2A0CD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_942D846191B2E3FD60142289BDE2A0CD" xlink:to="lab_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_942D846191B2E3FD60142289BDE2A0CD" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent_12E300E8C548B8D9350E73635B793C55_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent_12E300E8C548B8D9350E73635B793C55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of change in post retirement benefits</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent_12E300E8C548B8D9350E73635B793C55_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent_12E300E8C548B8D9350E73635B793C55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent_12E300E8C548B8D9350E73635B793C55" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent_12E300E8C548B8D9350E73635B793C55" xlink:to="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent_12E300E8C548B8D9350E73635B793C55" xlink:type="arc" />
    <link:label id="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_8382FED5C660D4A6B59173635B799603_negatedTerseLabel_en-US" xlink:label="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_8382FED5C660D4A6B59173635B799603" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Foreign Currency Hedge Gain (Loss), Tax</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_UnrealizedForeignCurrencyHedgeGainLossTax" xlink:label="loc_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_8382FED5C660D4A6B59173635B799603" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_8382FED5C660D4A6B59173635B799603" xlink:to="lab_cmt_UnrealizedForeignCurrencyHedgeGainLossTax_8382FED5C660D4A6B59173635B799603" xlink:type="arc" />
    <link:label id="lab_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58_terseLabel_en-US" xlink:label="lab_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Interest Rate Swap Gain (Loss), Tax</link:label>
    <link:label id="lab_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58_label_en-US" xlink:label="lab_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Interest Rate Swap Gain (Loss), Tax</link:label>
    <link:label id="lab_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58_documentation_en-US" xlink:label="lab_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrealized Interest Rate Swap Gain (Loss), Tax</link:label>
    <link:loc xlink:href="cmt-20190331.xsd#cmt_UnrealizedInterestRateSwapGainLossTax" xlink:label="loc_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58" xlink:to="lab_cmt_UnrealizedInterestRateSwapGainLossTax_A213481C1FD9F275A6F673635B7A8B58" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryDisclosureTextBlock_0FAD333A834AE711331C2289BE7A8A01_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock_0FAD333A834AE711331C2289BE7A8A01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_InventoryDisclosureTextBlock_0FAD333A834AE711331C2289BE7A8A01_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock_0FAD333A834AE711331C2289BE7A8A01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_0FAD333A834AE711331C2289BE7A8A01" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryDisclosureTextBlock_0FAD333A834AE711331C2289BE7A8A01" xlink:to="lab_us-gaap_InventoryDisclosureTextBlock_0FAD333A834AE711331C2289BE7A8A01" xlink:type="arc" />
  </link:labelLink>
</link:linkbase>
