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    <link:label id="lab_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755_terseLabel_en-US" xlink:label="lab_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Incentive Plan [Member]</link:label>
    <link:label id="lab_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755_label_en-US" xlink:label="lab_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Incentive Plan [Member]</link:label>
    <link:label id="lab_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755_documentation_en-US" xlink:label="lab_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2010 Stock Incentive Plan, which consists of stock options, restricted stock units, and unrestricted stock awards.</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_StockIncentivePlanMember" xlink:label="loc_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755" xlink:to="lab_itri_StockIncentivePlanMember_67875B8347FCD45F808BD337AB8FB755" xlink:type="arc" />
    <link:label id="lab_us-gaap_AwardTypeAxis_EBD3C801988F104DB57CD337AB8F2028_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_EBD3C801988F104DB57CD337AB8F2028" 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_EBD3C801988F104DB57CD337AB8F2028_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_EBD3C801988F104DB57CD337AB8F2028" 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_EBD3C801988F104DB57CD337AB8F2028" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis_EBD3C801988F104DB57CD337AB8F2028" xlink:to="lab_us-gaap_AwardTypeAxis_EBD3C801988F104DB57CD337AB8F2028" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_851CC231387499682A6AD337AB8F1395_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_851CC231387499682A6AD337AB8F1395" 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_851CC231387499682A6AD337AB8F1395" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_851CC231387499682A6AD337AB8F1395" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_851CC231387499682A6AD337AB8F1395" xlink:type="arc" />
    <link:label id="lab_us-gaap_PhantomShareUnitsPSUsMember_727EC82ED7E32ABE3AA1D337AB8FD1DB_terseLabel_en-US" xlink:label="lab_us-gaap_PhantomShareUnitsPSUsMember_727EC82ED7E32ABE3AA1D337AB8FD1DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Phantom Share Units (PSUs) [Member]</link:label>
    <link:label id="lab_us-gaap_PhantomShareUnitsPSUsMember_727EC82ED7E32ABE3AA1D337AB8FD1DB_label_en-US" xlink:label="lab_us-gaap_PhantomShareUnitsPSUsMember_727EC82ED7E32ABE3AA1D337AB8FD1DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phantom Share Units (PSUs) [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PhantomShareUnitsPSUsMember" xlink:label="loc_us-gaap_PhantomShareUnitsPSUsMember_727EC82ED7E32ABE3AA1D337AB8FD1DB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PhantomShareUnitsPSUsMember_727EC82ED7E32ABE3AA1D337AB8FD1DB" xlink:to="lab_us-gaap_PhantomShareUnitsPSUsMember_727EC82ED7E32ABE3AA1D337AB8FD1DB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8BBB8B24C80BF0C29F5DD337AB8F3BDE_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8BBB8B24C80BF0C29F5DD337AB8F3BDE" 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_8BBB8B24C80BF0C29F5DD337AB8F3BDE_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8BBB8B24C80BF0C29F5DD337AB8F3BDE" 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_8BBB8B24C80BF0C29F5DD337AB8F3BDE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8BBB8B24C80BF0C29F5DD337AB8F3BDE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8BBB8B24C80BF0C29F5DD337AB8F3BDE" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockOptionPlanExpense_545F15030455C263EA2CD337AB8F7164_terseLabel_en-US" xlink:label="lab_us-gaap_StockOptionPlanExpense_545F15030455C263EA2CD337AB8F7164" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock options</link:label>
    <link:label id="lab_us-gaap_StockOptionPlanExpense_545F15030455C263EA2CD337AB8F7164_label_en-US" xlink:label="lab_us-gaap_StockOptionPlanExpense_545F15030455C263EA2CD337AB8F7164" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock or Unit Option Plan Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockOptionPlanExpense" xlink:label="loc_us-gaap_StockOptionPlanExpense_545F15030455C263EA2CD337AB8F7164" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockOptionPlanExpense_545F15030455C263EA2CD337AB8F7164" xlink:to="lab_us-gaap_StockOptionPlanExpense_545F15030455C263EA2CD337AB8F7164" xlink:type="arc" />
    <link:label id="lab_us-gaap_RestrictedStockExpense_0EB6749D613753FC997CD337AB8F794C_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockExpense_0EB6749D613753FC997CD337AB8F794C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock units</link:label>
    <link:label id="lab_us-gaap_RestrictedStockExpense_0EB6749D613753FC997CD337AB8F794C_label_en-US" xlink:label="lab_us-gaap_RestrictedStockExpense_0EB6749D613753FC997CD337AB8F794C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock or Unit Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockExpense" xlink:label="loc_us-gaap_RestrictedStockExpense_0EB6749D613753FC997CD337AB8F794C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockExpense_0EB6749D613753FC997CD337AB8F794C" xlink:to="lab_us-gaap_RestrictedStockExpense_0EB6749D613753FC997CD337AB8F794C" xlink:type="arc" />
    <link:label id="lab_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A_terseLabel_en-US" xlink:label="lab_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrestricted stock awards</link:label>
    <link:label id="lab_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A_label_en-US" xlink:label="lab_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrestricted Stock Awards Compensation Expense</link:label>
    <link:label id="lab_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A_documentation_en-US" xlink:label="lab_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The noncash expense that represents the cost of unrestricted stock distributed to board of directors as a portion of their compensation.</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_UnrestrictedStockAwardsCompensationExpense" xlink:label="loc_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A" xlink:to="lab_itri_UnrestrictedStockAwardsCompensationExpense_68D1DC0DD9EDFC6E05C8D337AB8F259A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_D5D6FD53E9CB7DB6F3E3D337AB8F2D9C_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_D5D6FD53E9CB7DB6F3E3D337AB8F2D9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Phantom stock units</link:label>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_D5D6FD53E9CB7DB6F3E3D337AB8F2D9C_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_D5D6FD53E9CB7DB6F3E3D337AB8F2D9C" 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_D5D6FD53E9CB7DB6F3E3D337AB8F2D9C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_D5D6FD53E9CB7DB6F3E3D337AB8F2D9C" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_D5D6FD53E9CB7DB6F3E3D337AB8F2D9C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_9A4EEAC39FCFF1AA496CD337AB8FBF1E_totalLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_9A4EEAC39FCFF1AA496CD337AB8FBF1E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total stock-based compensation</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_9A4EEAC39FCFF1AA496CD337AB8FBF1E_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_9A4EEAC39FCFF1AA496CD337AB8FBF1E" 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, Compensation Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_9A4EEAC39FCFF1AA496CD337AB8FBF1E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_9A4EEAC39FCFF1AA496CD337AB8FBF1E" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_9A4EEAC39FCFF1AA496CD337AB8FBF1E" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_2CB68D952F2644D8255AD337AB8F55A4_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_2CB68D952F2644D8255AD337AB8F55A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related tax benefit</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_2CB68D952F2644D8255AD337AB8F55A4_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_2CB68D952F2644D8255AD337AB8F55A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Tax Benefit from Compensation Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_2CB68D952F2644D8255AD337AB8F55A4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_9DB39A9DDCEC12FB035A3A3B1C8DF19E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_9DB39A9DDCEC12FB035A3A3B1C8DF19E" 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>
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    <link:label id="lab_us-gaap_VestingAxis_BF24F4F2175DF64737AF3A3B1C8D2F62_terseLabel_en-US" xlink:label="lab_us-gaap_VestingAxis_BF24F4F2175DF64737AF3A3B1C8D2F62" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:label id="lab_us-gaap_VestingAxis_BF24F4F2175DF64737AF3A3B1C8D2F62_label_en-US" xlink:label="lab_us-gaap_VestingAxis_BF24F4F2175DF64737AF3A3B1C8D2F62" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_BF24F4F2175DF64737AF3A3B1C8D2F62" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingAxis_BF24F4F2175DF64737AF3A3B1C8D2F62" xlink:to="lab_us-gaap_VestingAxis_BF24F4F2175DF64737AF3A3B1C8D2F62" xlink:type="arc" />
    <link:label id="lab_us-gaap_VestingDomain_5EB9EBF5A7D1CA1899F43A3B1C8D22A8_terseLabel_en-US" xlink:label="lab_us-gaap_VestingDomain_5EB9EBF5A7D1CA1899F43A3B1C8D22A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:label id="lab_us-gaap_VestingDomain_5EB9EBF5A7D1CA1899F43A3B1C8D22A8_label_en-US" xlink:label="lab_us-gaap_VestingDomain_5EB9EBF5A7D1CA1899F43A3B1C8D22A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_5EB9EBF5A7D1CA1899F43A3B1C8D22A8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingDomain_5EB9EBF5A7D1CA1899F43A3B1C8D22A8" xlink:to="lab_us-gaap_VestingDomain_5EB9EBF5A7D1CA1899F43A3B1C8D22A8" xlink:type="arc" />
    <link:label id="lab_itri_ExpectedToVestMember_3E37D57FE76ED7A24BA73A3B1C8D5FFE_terseLabel_en-US" xlink:label="lab_itri_ExpectedToVestMember_3E37D57FE76ED7A24BA73A3B1C8D5FFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected to Vest [Member]</link:label>
    <link:label id="lab_itri_ExpectedToVestMember_3E37D57FE76ED7A24BA73A3B1C8D5FFE_label_en-US" xlink:label="lab_itri_ExpectedToVestMember_3E37D57FE76ED7A24BA73A3B1C8D5FFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected to Vest [Member]</link:label>
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    <link:label id="lab_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F_terseLabel_en-US" xlink:label="lab_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EURIBOR [Member]</link:label>
    <link:label id="lab_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F_label_en-US" xlink:label="lab_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EURIBOR [Member]</link:label>
    <link:label id="lab_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F_documentation_en-US" xlink:label="lab_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">EURIBOR Euro Interbank Offered Rate [Member]</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_EURIBORMember" xlink:label="loc_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F" xlink:to="lab_itri_EURIBORMember_A6E0EDA123A272B21FDBD337AE8C084F" xlink:type="arc" />
    <link:label id="lab_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Alternate base rate (1) [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081_label_en-US" xlink:label="lab_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Alternate base rate (1) [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The first of three alternate base rates under a credit facility agreement.</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_AlternateBaseRate1Member" xlink:label="loc_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081" xlink:to="lab_itri_AlternateBaseRate1Member_3D05AF883411DAA332B6D337AE8CF081" xlink:type="arc" />
    <link:label id="lab_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Alternate base rate (2) [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8_label_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Alternate base rate (2) [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The second of three alternate base rates under a credit facility agreement.</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_AlternateBaseRate2Member" xlink:label="loc_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8" xlink:to="lab_itri_AlternateBaseRate2Member_833901A0B5981517E11DD337AE8C31A8" xlink:type="arc" />
    <link:label id="lab_us-gaap_FederalFundsEffectiveSwapRateMember_22A947DDA0E12EFC48DED337AE8C01C7_terseLabel_en-US" xlink:label="lab_us-gaap_FederalFundsEffectiveSwapRateMember_22A947DDA0E12EFC48DED337AE8C01C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal Funds Effective Swap Rate [Member]</link:label>
    <link:label id="lab_us-gaap_FederalFundsEffectiveSwapRateMember_22A947DDA0E12EFC48DED337AE8C01C7_label_en-US" xlink:label="lab_us-gaap_FederalFundsEffectiveSwapRateMember_22A947DDA0E12EFC48DED337AE8C01C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Funds Effective Swap Rate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FederalFundsEffectiveSwapRateMember" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_22A947DDA0E12EFC48DED337AE8C01C7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FederalFundsEffectiveSwapRateMember_22A947DDA0E12EFC48DED337AE8C01C7" xlink:to="lab_us-gaap_FederalFundsEffectiveSwapRateMember_22A947DDA0E12EFC48DED337AE8C01C7" xlink:type="arc" />
    <link:label id="lab_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Alternate base rate (3) [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15_label_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Alternate base rate (3) [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The third of three alternate base rates under a credit facility agreement.</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_AlternateBaseRate3Member" xlink:label="loc_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15" xlink:to="lab_itri_AlternateBaseRate3Member_8A1DFC84DA9512C5EB02D337AE8C3B15" xlink:type="arc" />
    <link:label id="lab_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Alternate base rate [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428_label_en-US" xlink:label="lab_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Alternate base rate [Member]</link:label>
    <link:label id="lab_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428_documentation_en-US" xlink:label="lab_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Alternate base rate [Member]</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_AlternateBaseRateMember" xlink:label="loc_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428" xlink:to="lab_itri_AlternateBaseRateMember_3CF838391219A94D9430D337AE8C0428" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_4E397B19B78BA696D898D337AE8CF07B_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_4E397B19B78BA696D898D337AE8CF07B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_4E397B19B78BA696D898D337AE8CF07B_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_4E397B19B78BA696D898D337AE8CF07B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4E397B19B78BA696D898D337AE8CF07B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4E397B19B78BA696D898D337AE8CF07B" xlink:to="lab_us-gaap_LongtermDebtTypeAxis_4E397B19B78BA696D898D337AE8CF07B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_C9F72CDA5F7DD6D09667D337AE8C8051_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_C9F72CDA5F7DD6D09667D337AE8C8051" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C9F72CDA5F7DD6D09667D337AE8C8051" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C9F72CDA5F7DD6D09667D337AE8C8051" xlink:to="lab_us-gaap_LongtermDebtTypeDomain_C9F72CDA5F7DD6D09667D337AE8C8051" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_B8A1CC36FCB0E673DD94D337AE8C65C8_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_B8A1CC36FCB0E673DD94D337AE8C65C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swingline sub-facility [Member]</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_B8A1CC36FCB0E673DD94D337AE8C65C8_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_B8A1CC36FCB0E673DD94D337AE8C65C8" 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_B8A1CC36FCB0E673DD94D337AE8C65C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_B8A1CC36FCB0E673DD94D337AE8C65C8" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_B8A1CC36FCB0E673DD94D337AE8C65C8" xlink:type="arc" />
    <link:label id="lab_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0_verboseLabel_en-US" xlink:label="lab_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">USD Denominated Term Loan [Member]</link:label>
    <link:label id="lab_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0_label_en-US" xlink:label="lab_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">USD Denominated Term Loan [Member]</link:label>
    <link:label id="lab_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0_documentation_en-US" xlink:label="lab_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">USD Denominated Term Loan [Member]</link:label>
    <link:loc xlink:href="itri-20190630.xsd#itri_UsdDenominatedTermLoanMember" xlink:label="loc_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0" xlink:to="lab_itri_UsdDenominatedTermLoanMember_140D26C52197AEAB0259D337AE8C7BE0" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditMember_690A838DBC5A01C08B2BD337AE8C6F4C_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_690A838DBC5A01C08B2BD337AE8C6F4C" 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_690A838DBC5A01C08B2BD337AE8C6F4C_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_690A838DBC5A01C08B2BD337AE8C6F4C" 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_690A838DBC5A01C08B2BD337AE8C6F4C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditMember_690A838DBC5A01C08B2BD337AE8C6F4C" xlink:to="lab_us-gaap_LineOfCreditMember_690A838DBC5A01C08B2BD337AE8C6F4C" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandbyLettersOfCreditMember_5E1A6E94772E72CC6045D337AE8CD364_terseLabel_en-US" xlink:label="lab_us-gaap_StandbyLettersOfCreditMember_5E1A6E94772E72CC6045D337AE8CD364" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Standby Letters of Credit [Member]</link:label>
    <link:label id="lab_us-gaap_StandbyLettersOfCreditMember_5E1A6E94772E72CC6045D337AE8CD364_label_en-US" xlink:label="lab_us-gaap_StandbyLettersOfCreditMember_5E1A6E94772E72CC6045D337AE8CD364" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standby Letters 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_StandbyLettersOfCreditMember" xlink:label="loc_us-gaap_StandbyLettersOfCreditMember_5E1A6E94772E72CC6045D337AE8CD364" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandbyLettersOfCreditMember_5E1A6E94772E72CC6045D337AE8CD364" xlink:to="lab_us-gaap_StandbyLettersOfCreditMember_5E1A6E94772E72CC6045D337AE8CD364" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebtMember_FF8C542F3757D00E56DBD337AE8CBE5D_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_FF8C542F3757D00E56DBD337AE8CBE5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:label id="lab_us-gaap_SecuredDebtMember_FF8C542F3757D00E56DBD337AE8CBE5D_label_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_FF8C542F3757D00E56DBD337AE8CBE5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_FF8C542F3757D00E56DBD337AE8CBE5D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebtMember_FF8C542F3757D00E56DBD337AE8CBE5D" xlink:to="lab_us-gaap_SecuredDebtMember_FF8C542F3757D00E56DBD337AE8CBE5D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_402C7C973685703BAFCFD337AE8C5481_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_402C7C973685703BAFCFD337AE8C5481" 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_402C7C973685703BAFCFD337AE8C5481_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_402C7C973685703BAFCFD337AE8C5481" 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_402C7C973685703BAFCFD337AE8C5481" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_402C7C973685703BAFCFD337AE8C5481" xlink:to="lab_us-gaap_DebtInstrumentLineItems_402C7C973685703BAFCFD337AE8C5481" xlink:type="arc" />
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    <link:label id="lab_itri_WarrantyExpenseTableTextBlock_2D3C0CDEDF1BCF043CC4D337AAB0E15C_documentation_en-US" xlink:label="lab_itri_WarrantyExpenseTableTextBlock_2D3C0CDEDF1BCF043CC4D337AAB0E15C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warranty Expense [Table Text Block]</link:label>
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    <link:label id="lab_itri_ContractwithCustomernet_9CA8A96EA4345B24605FD337AAE6788E_periodStartLabel_en-US" xlink:label="lab_itri_ContractwithCustomernet_9CA8A96EA4345B24605FD337AAE6788E" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance, January 1</link:label>
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_0708742C72F497560B70D337AC483F83_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_0708742C72F497560B70D337AC483F83" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Accretion, Year Five</link:label>
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive_BB68480A18EA2B0C08C8D337AC48D976_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive_BB68480A18EA2B0C08C8D337AC48D976" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Accretion, after Year Five</link:label>
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    <link:label id="lab_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_E2CF34243AD8266B33144E3CF51AD423_verboseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_E2CF34243AD8266B33144E3CF51AD423" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange forwards</link:label>
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    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_713F0069F1596D26D0EF272B2E790605_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_713F0069F1596D26D0EF272B2E790605" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables (net of allowance of $4,360 and $6,331)</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_713F0069F1596D26D0EF272B2E790605_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_713F0069F1596D26D0EF272B2E790605" 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_713F0069F1596D26D0EF272B2E790605" xlink:type="locator" />
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    <link:label id="lab_us-gaap_UnbilledReceivablesCurrent_1890C5B6941C3125E320272B2E79D94A_terseLabel_en-US" xlink:label="lab_us-gaap_UnbilledReceivablesCurrent_1890C5B6941C3125E320272B2E79D94A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unbilled receivables</link:label>
    <link:label id="lab_us-gaap_UnbilledReceivablesCurrent_1890C5B6941C3125E320272B2E79D94A_label_en-US" xlink:label="lab_us-gaap_UnbilledReceivablesCurrent_1890C5B6941C3125E320272B2E79D94A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unbilled Receivables, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnbilledReceivablesCurrent" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_1890C5B6941C3125E320272B2E79D94A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ReceivablesNetCurrent_995E71DFB096C9F6C69A272B2E79694B_totalLabel_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent_995E71DFB096C9F6C69A272B2E79694B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total accounts receivable, net</link:label>
    <link:label id="lab_us-gaap_ReceivablesNetCurrent_995E71DFB096C9F6C69A272B2E79694B_label_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent_995E71DFB096C9F6C69A272B2E79694B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables, Net, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_995E71DFB096C9F6C69A272B2E79694B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_43171F52F5CB8A54A41E495BF35BAC3F_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_43171F52F5CB8A54A41E495BF35BAC3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019 (amount remaining at June 30, 2019)</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_43171F52F5CB8A54A41E495BF35BAC3F_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_43171F52F5CB8A54A41E495BF35BAC3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_43171F52F5CB8A54A41E495BF35BAC3F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_43171F52F5CB8A54A41E495BF35BAC3F" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_43171F52F5CB8A54A41E495BF35BAC3F" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D685C1CFE7C9EC0A09BD495BF35BA2B5_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D685C1CFE7C9EC0A09BD495BF35BA2B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D685C1CFE7C9EC0A09BD495BF35BA2B5_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D685C1CFE7C9EC0A09BD495BF35BA2B5" 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_D685C1CFE7C9EC0A09BD495BF35BA2B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D685C1CFE7C9EC0A09BD495BF35BA2B5" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D685C1CFE7C9EC0A09BD495BF35BA2B5" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6C2B9676A19EFB0D78E8495BF35BE517_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6C2B9676A19EFB0D78E8495BF35BE517" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6C2B9676A19EFB0D78E8495BF35BE517_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6C2B9676A19EFB0D78E8495BF35BE517" 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_6C2B9676A19EFB0D78E8495BF35BE517" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6C2B9676A19EFB0D78E8495BF35BE517" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6C2B9676A19EFB0D78E8495BF35BE517" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6694DFA5355BC80CEF69495BF35B1915_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6694DFA5355BC80CEF69495BF35B1915" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6694DFA5355BC80CEF69495BF35B1915_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6694DFA5355BC80CEF69495BF35B1915" 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_6694DFA5355BC80CEF69495BF35B1915" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6694DFA5355BC80CEF69495BF35B1915" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6694DFA5355BC80CEF69495BF35B1915" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E2C83174969B9B29E55B495BF35BBB18_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E2C83174969B9B29E55B495BF35BBB18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E2C83174969B9B29E55B495BF35BBB18_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E2C83174969B9B29E55B495BF35BBB18" 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_E2C83174969B9B29E55B495BF35BBB18" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E2C83174969B9B29E55B495BF35BBB18" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E2C83174969B9B29E55B495BF35BBB18" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_BC7BDD2F61479380B4FE495BF35B9FFA_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_BC7BDD2F61479380B4FE495BF35B9FFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_BC7BDD2F61479380B4FE495BF35B9FFA_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_BC7BDD2F61479380B4FE495BF35B9FFA" 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_BC7BDD2F61479380B4FE495BF35B9FFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_BC7BDD2F61479380B4FE495BF35B9FFA" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_BC7BDD2F61479380B4FE495BF35B9FFA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F0E0CCE95340652C1E62495BF35BF2A0_totalLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F0E0CCE95340652C1E62495BF35BF2A0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total lease payments</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F0E0CCE95340652C1E62495BF35BF2A0_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F0E0CCE95340652C1E62495BF35BF2A0" 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_F0E0CCE95340652C1E62495BF35BF2A0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F0E0CCE95340652C1E62495BF35BF2A0" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F0E0CCE95340652C1E62495BF35BF2A0" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_261D90517C2F2D9B1284495BF35BDF9D_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_261D90517C2F2D9B1284495BF35BDF9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less: Imputed interest</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_261D90517C2F2D9B1284495BF35BDF9D_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_261D90517C2F2D9B1284495BF35BDF9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_261D90517C2F2D9B1284495BF35BDF9D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_ACD0C55471D3A4D1D208D337AB05924B_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_ACD0C55471D3A4D1D208D337AB05924B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service cost</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_ACD0C55471D3A4D1D208D337AB05924B_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_ACD0C55471D3A4D1D208D337AB05924B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Service Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_ACD0C55471D3A4D1D208D337AB05924B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_DA31B04287786545A095D337AB055BAC_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_DA31B04287786545A095D337AB055BAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest cost</link:label>
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