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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_87B03B2667A2808F8F136B0053263477" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_A82DB3D2B29D5EE2C8FF6B0053266B39" xlink:type="locator" />
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearTwo_6BB74B57EB86EE89246F6B00532743D5_negatedTerseLabel_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearTwo_6BB74B57EB86EE89246F6B00532743D5" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearTwo_6BB74B57EB86EE89246F6B00532743D5_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearTwo_6BB74B57EB86EE89246F6B00532743D5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Accretion, Year Two</link:label>
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearThree_DDC0E2C473A81B1531716B005327C090_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearThree_DDC0E2C473A81B1531716B005327C090" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Accretion, Year Three</link:label>
    <link:loc xlink:href="itri-20190331.xsd#itri_FiniteLivedIntangibleLiabilitiesAccretionYearThree" xlink:label="loc_itri_FiniteLivedIntangibleLiabilitiesAccretionYearThree_DDC0E2C473A81B1531716B005327C090" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_FiniteLivedIntangibleLiabilitiesAccretionYearThree_DDC0E2C473A81B1531716B005327C090" xlink:to="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearThree_DDC0E2C473A81B1531716B005327C090" xlink:type="arc" />
    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesYearFour_886D8323416460841D776B00532728F5_negatedTerseLabel_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesYearFour_886D8323416460841D776B00532728F5" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesYearFour_886D8323416460841D776B00532728F5_label_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesYearFour_886D8323416460841D776B00532728F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Year Four</link:label>
    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesYearFour_886D8323416460841D776B00532728F5_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesYearFour_886D8323416460841D776B00532728F5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Year Four</link:label>
    <link:loc xlink:href="itri-20190331.xsd#itri_FiniteLivedIntangibleLiabilitiesYearFour" xlink:label="loc_itri_FiniteLivedIntangibleLiabilitiesYearFour_886D8323416460841D776B00532728F5" xlink:type="locator" />
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_063A6EE93B40013A3AEF6B005327F851_negatedTerseLabel_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_063A6EE93B40013A3AEF6B005327F851" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_063A6EE93B40013A3AEF6B005327F851_label_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_063A6EE93B40013A3AEF6B005327F851" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Accretion, Year Five</link:label>
    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_063A6EE93B40013A3AEF6B005327F851_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_063A6EE93B40013A3AEF6B005327F851" 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>
    <link:loc xlink:href="itri-20190331.xsd#itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive" xlink:label="loc_itri_FiniteLivedIntangibleLiabilitiesAccretionYearFive_063A6EE93B40013A3AEF6B005327F851" xlink:type="locator" />
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive_A36E342120F9DA1876446B0053271922_label_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive_A36E342120F9DA1876446B0053271922" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Accretion, after Year Five</link:label>
    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive_A36E342120F9DA1876446B0053271922_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive_A36E342120F9DA1876446B0053271922" 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>
    <link:loc xlink:href="itri-20190331.xsd#itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive" xlink:label="loc_itri_FiniteLivedIntangibleLiabilitiesAccretionafterYearFive_A36E342120F9DA1876446B0053271922" xlink:type="locator" />
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    <link:label id="lab_itri_FiniteLivedIntangibleLiabilitiesNet_4508B2DA6E1851E82E186B0053272E2B_documentation_en-US" xlink:label="lab_itri_FiniteLivedIntangibleLiabilitiesNet_4508B2DA6E1851E82E186B0053272E2B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Liabilities, Net</link:label>
    <link:loc xlink:href="itri-20190331.xsd#itri_FiniteLivedIntangibleLiabilitiesNet" xlink:label="loc_itri_FiniteLivedIntangibleLiabilitiesNet_4508B2DA6E1851E82E186B0053272E2B" xlink:type="locator" />
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    <link:loc xlink:href="itri-20190331.xsd#itri_FiniteLivedIntangibleAssetsAmortizationExpenseNetRemainderofFiscalYear" xlink:label="loc_itri_FiniteLivedIntangibleAssetsAmortizationExpenseNetRemainderofFiscalYear_2289240D0EBF2CF2C8886B005328CDB1" xlink:type="locator" />
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    <link:label id="lab_itri_ContractwithCustomerOtheradjustments_E0F5408815FA4FCB3C0A7F497F6F597A_terseLabel_en-US" xlink:label="lab_itri_ContractwithCustomerOtheradjustments_E0F5408815FA4FCB3C0A7F497F6F597A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
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    <link:loc xlink:href="itri-20190331.xsd#itri_ContractwithCustomernet" xlink:label="loc_itri_ContractwithCustomernet_FA595D6C719DE08D55977F497F6F2ECC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCredit_F077C00A5CF3FE867DE45580B9D6542D_negatedLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_F077C00A5CF3FE867DE45580B9D6542D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_F077C00A5CF3FE867DE45580B9D6542D_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_F077C00A5CF3FE867DE45580B9D6542D" 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_F077C00A5CF3FE867DE45580B9D6542D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_87491431A069271C69185580B9D66440_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_87491431A069271C69185580B9D66440" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_87491431A069271C69185580B9D66440_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_87491431A069271C69185580B9D66440" 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_87491431A069271C69185580B9D66440" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShortTermBorrowings_2875B67B049E6A1F883B5580B9D69C9D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings_2875B67B049E6A1F883B5580B9D69C9D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Short-term borrowings</link:label>
    <link:label id="lab_us-gaap_ShortTermBorrowings_2875B67B049E6A1F883B5580B9D69C9D_label_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings_2875B67B049E6A1F883B5580B9D69C9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">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_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_2875B67B049E6A1F883B5580B9D69C9D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_A8948713167F7BABF87C5580B9D6779A_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_A8948713167F7BABF87C5580B9D6779A" 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_A8948713167F7BABF87C5580B9D6779A" xlink:type="locator" />
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    <link:label id="lab_itri_LineofCreditFacilityRemainingcapacitytosupportlettersofcredit_07E44185361CF6532DD75580B9D6AD9A_terseLabel_en-US" xlink:label="lab_itri_LineofCreditFacilityRemainingcapacitytosupportlettersofcredit_07E44185361CF6532DD75580B9D6AD9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net available for additional standby LOCs under sub-facility</link:label>
    <link:label id="lab_itri_LineofCreditFacilityRemainingcapacitytosupportlettersofcredit_07E44185361CF6532DD75580B9D6AD9A_label_en-US" xlink:label="lab_itri_LineofCreditFacilityRemainingcapacitytosupportlettersofcredit_07E44185361CF6532DD75580B9D6AD9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining capacity to support letters of credit</link:label>
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    <link:loc xlink:href="itri-20190331.xsd#itri_LineofCreditFacilityRemainingcapacitytosupportlettersofcredit" xlink:label="loc_itri_LineofCreditFacilityRemainingcapacitytosupportlettersofcredit_07E44185361CF6532DD75580B9D6AD9A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_9C8A737D4795E53F28C55580B9D72A7C_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_9C8A737D4795E53F28C55580B9D72A7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unsecured surety bonds in force</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_9C8A737D4795E53F28C55580B9D72A7C" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_9A846E577343869A1E59949A9C9B892E" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_1DC78BCBE23700CD011D949A9CA001D4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeCollateralRightToReclaimCash_7605B11CA363571A4D8D949A9CA05528_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeCollateralRightToReclaimCash_7605B11CA363571A4D8D949A9CA05528" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Collateral Pledged Not Offset in the Consolidated Balance Sheets</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeCollateralRightToReclaimCash" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimCash_7605B11CA363571A4D8D949A9CA05528" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_88B5AA8780114B87C98D4F0C187FD2BD_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_BDAC441471A0596AA3A4274C4BC01C8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net [Abstract]</link:label>
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    <link:label id="lab_us-gaap_MachineryAndEquipmentGross_0D066BF84DF3EE54909A4F0C1880A9F9_terseLabel_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentGross_4DB707FFC837515E8F5787E227669E07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery and equipment</link:label>
    <link:label id="lab_us-gaap_MachineryAndEquipmentGross_0D066BF84DF3EE54909A4F0C1880A9F9_label_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentGross_4DB707FFC837515E8F5787E227669E07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machinery and Equipment, Gross</link:label>
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    <link:label id="lab_itri_ComputersAndSoftwareGross_E6B20FB5ECBD730BD7DD4F0C1880FC1B_terseLabel_en-US" xlink:label="lab_itri_ComputersAndSoftwareGross_B1CDBC77ADC258F0B961D5AD56436ADC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Computers and software</link:label>
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    <link:label id="lab_itri_BuildingsFurnitureAndImprovements_8B1C7CAFAEC438874D234F0C1881903A_terseLabel_en-US" xlink:label="lab_itri_BuildingsFurnitureAndImprovements_825AB625E4C65E018BCD5080DB8BFDA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings, furniture, and improvements</link:label>
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    <link:loc xlink:href="itri-20190331.xsd#itri_BuildingsFurnitureAndImprovements" xlink:label="loc_itri_BuildingsFurnitureAndImprovements_825AB625E4C65E018BCD5080DB8BFDA6" xlink:type="locator" />
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    <link:label id="lab_itri_AlternateBaseRate1Member_936FBEC8D2570665501EEA22E702A8FF_label_en-US" xlink:label="lab_itri_AlternateBaseRate1Member_936FBEC8D2570665501EEA22E702A8FF" 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_936FBEC8D2570665501EEA22E702A8FF_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate1Member_936FBEC8D2570665501EEA22E702A8FF" 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-20190331.xsd#itri_AlternateBaseRate1Member" xlink:label="loc_itri_AlternateBaseRate1Member_936FBEC8D2570665501EEA22E702A8FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRate1Member_936FBEC8D2570665501EEA22E702A8FF" xlink:to="lab_itri_AlternateBaseRate1Member_936FBEC8D2570665501EEA22E702A8FF" xlink:type="arc" />
    <link:label id="lab_itri_AlternateBaseRate2Member_4515F1DCF52E2C762471EA22E7029C82_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_4515F1DCF52E2C762471EA22E7029C82" 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_4515F1DCF52E2C762471EA22E7029C82_label_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_4515F1DCF52E2C762471EA22E7029C82" 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_4515F1DCF52E2C762471EA22E7029C82_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_4515F1DCF52E2C762471EA22E7029C82" 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-20190331.xsd#itri_AlternateBaseRate2Member" xlink:label="loc_itri_AlternateBaseRate2Member_4515F1DCF52E2C762471EA22E7029C82" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRate2Member_4515F1DCF52E2C762471EA22E7029C82" xlink:to="lab_itri_AlternateBaseRate2Member_4515F1DCF52E2C762471EA22E7029C82" xlink:type="arc" />
    <link:label id="lab_us-gaap_FederalFundsEffectiveSwapRateMember_9CBA1F962A64D7E4A517EA2455F7619F_terseLabel_en-US" xlink:label="lab_us-gaap_FederalFundsEffectiveSwapRateMember_9CBA1F962A64D7E4A517EA2455F7619F" 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_9CBA1F962A64D7E4A517EA2455F7619F_label_en-US" xlink:label="lab_us-gaap_FederalFundsEffectiveSwapRateMember_9CBA1F962A64D7E4A517EA2455F7619F" 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_9CBA1F962A64D7E4A517EA2455F7619F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FederalFundsEffectiveSwapRateMember_9CBA1F962A64D7E4A517EA2455F7619F" xlink:to="lab_us-gaap_FederalFundsEffectiveSwapRateMember_9CBA1F962A64D7E4A517EA2455F7619F" xlink:type="arc" />
    <link:label id="lab_itri_AlternateBaseRate3Member_E290D284DEB0C9013B09EA22E7029BB4_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_E290D284DEB0C9013B09EA22E7029BB4" 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_E290D284DEB0C9013B09EA22E7029BB4_label_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_E290D284DEB0C9013B09EA22E7029BB4" 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_E290D284DEB0C9013B09EA22E7029BB4_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_E290D284DEB0C9013B09EA22E7029BB4" 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-20190331.xsd#itri_AlternateBaseRate3Member" xlink:label="loc_itri_AlternateBaseRate3Member_E290D284DEB0C9013B09EA22E7029BB4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRate3Member_E290D284DEB0C9013B09EA22E7029BB4" xlink:to="lab_itri_AlternateBaseRate3Member_E290D284DEB0C9013B09EA22E7029BB4" xlink:type="arc" />
    <link:label id="lab_itri_AlternateBaseRateMember_E2561FF3F133B6CA4BF1EA22E702FC8D_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRateMember_E2561FF3F133B6CA4BF1EA22E702FC8D" 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_E2561FF3F133B6CA4BF1EA22E702FC8D_label_en-US" xlink:label="lab_itri_AlternateBaseRateMember_E2561FF3F133B6CA4BF1EA22E702FC8D" 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_E2561FF3F133B6CA4BF1EA22E702FC8D_documentation_en-US" xlink:label="lab_itri_AlternateBaseRateMember_E2561FF3F133B6CA4BF1EA22E702FC8D" 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-20190331.xsd#itri_AlternateBaseRateMember" xlink:label="loc_itri_AlternateBaseRateMember_E2561FF3F133B6CA4BF1EA22E702FC8D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_AlternateBaseRateMember_E2561FF3F133B6CA4BF1EA22E702FC8D" xlink:to="lab_itri_AlternateBaseRateMember_E2561FF3F133B6CA4BF1EA22E702FC8D" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_D0F987BCAAE812A3D5F9EA22E7023845_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_D0F987BCAAE812A3D5F9EA22E7023845" 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_D0F987BCAAE812A3D5F9EA22E7023845_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_D0F987BCAAE812A3D5F9EA22E7023845" 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_D0F987BCAAE812A3D5F9EA22E7023845" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_D0F987BCAAE812A3D5F9EA22E7023845" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_D0F987BCAAE812A3D5F9EA22E7023845" xlink:type="arc" />
    <link:label id="lab_itri_UsdDenominatedTermLoanMember_2B3353C5D6064E8BFE6FEA22E70262C7_verboseLabel_en-US" xlink:label="lab_itri_UsdDenominatedTermLoanMember_2B3353C5D6064E8BFE6FEA22E70262C7" 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_2B3353C5D6064E8BFE6FEA22E70262C7_label_en-US" xlink:label="lab_itri_UsdDenominatedTermLoanMember_2B3353C5D6064E8BFE6FEA22E70262C7" 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_2B3353C5D6064E8BFE6FEA22E70262C7_documentation_en-US" xlink:label="lab_itri_UsdDenominatedTermLoanMember_2B3353C5D6064E8BFE6FEA22E70262C7" 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-20190331.xsd#itri_UsdDenominatedTermLoanMember" xlink:label="loc_itri_UsdDenominatedTermLoanMember_2B3353C5D6064E8BFE6FEA22E70262C7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_UsdDenominatedTermLoanMember_2B3353C5D6064E8BFE6FEA22E70262C7" xlink:to="lab_itri_UsdDenominatedTermLoanMember_2B3353C5D6064E8BFE6FEA22E70262C7" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditMember_2BA3CED4BC4CA2D9CE0FEA22E7027F46_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_2BA3CED4BC4CA2D9CE0FEA22E7027F46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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_2BA3CED4BC4CA2D9CE0FEA22E7027F46" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditMember_2BA3CED4BC4CA2D9CE0FEA22E7027F46" xlink:to="lab_us-gaap_LineOfCreditMember_2BA3CED4BC4CA2D9CE0FEA22E7027F46" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandbyLettersOfCreditMember_320F41F6382933DFC305EA22E702EA62_terseLabel_en-US" xlink:label="lab_us-gaap_StandbyLettersOfCreditMember_320F41F6382933DFC305EA22E702EA62" 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_320F41F6382933DFC305EA22E702EA62_label_en-US" xlink:label="lab_us-gaap_StandbyLettersOfCreditMember_320F41F6382933DFC305EA22E702EA62" 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_320F41F6382933DFC305EA22E702EA62" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandbyLettersOfCreditMember_320F41F6382933DFC305EA22E702EA62" xlink:to="lab_us-gaap_StandbyLettersOfCreditMember_320F41F6382933DFC305EA22E702EA62" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebtMember_0C8A6E5961EC5A154458EA22E7026BB0_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_0C8A6E5961EC5A154458EA22E7026BB0" 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_0C8A6E5961EC5A154458EA22E7026BB0_label_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_0C8A6E5961EC5A154458EA22E7026BB0" 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_0C8A6E5961EC5A154458EA22E7026BB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebtMember_0C8A6E5961EC5A154458EA22E7026BB0" xlink:to="lab_us-gaap_SecuredDebtMember_0C8A6E5961EC5A154458EA22E7026BB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_8FDAE633CD57327EA703EA22E702B0DA_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_8FDAE633CD57327EA703EA22E702B0DA" 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_8FDAE633CD57327EA703EA22E702B0DA_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_8FDAE633CD57327EA703EA22E702B0DA" 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_8FDAE633CD57327EA703EA22E702B0DA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount_8FDAE633CD57327EA703EA22E702B0DA" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount_8FDAE633CD57327EA703EA22E702B0DA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_35CBADA28F1AA4878A89EA22E702B563_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_35CBADA28F1AA4878A89EA22E702B563" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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_35CBADA28F1AA4878A89EA22E702B563" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_35CBADA28F1AA4878A89EA22E702B563" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_35CBADA28F1AA4878A89EA22E702B563" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A1257606F66B062BDC46EA22E702A5F6_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A1257606F66B062BDC46EA22E702A5F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility, unused capacity, commitment fee percentage</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A1257606F66B062BDC46EA22E702A5F6_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A1257606F66B062BDC46EA22E702A5F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A1257606F66B062BDC46EA22E702A5F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A1257606F66B062BDC46EA22E702A5F6" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_A1257606F66B062BDC46EA22E702A5F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentCollateral_C1C9C5122EE3B439E338EA22E702370E_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCollateral_C1C9C5122EE3B439E338EA22E702370E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, collateral</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCollateral_C1C9C5122EE3B439E338EA22E702370E_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCollateral_C1C9C5122EE3B439E338EA22E702370E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Collateral</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCollateral" xlink:label="loc_us-gaap_DebtInstrumentCollateral_C1C9C5122EE3B439E338EA22E702370E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCollateral_C1C9C5122EE3B439E338EA22E702370E" xlink:to="lab_us-gaap_DebtInstrumentCollateral_C1C9C5122EE3B439E338EA22E702370E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_45BD8707FBA18EE47318EA22E7025A02_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_45BD8707FBA18EE47318EA22E7025A02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, description of variable rate basis</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_45BD8707FBA18EE47318EA22E7025A02_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_45BD8707FBA18EE47318EA22E7025A02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Description of Variable Rate Basis</link:label>
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    <link:label id="lab_us-gaap_AssetsCurrentAbstract_FF4B4BCC2EAEC72AF93170C0D9368165_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_FF4B4BCC2EAEC72AF93170C0D9368165" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current [Abstract]</link:label>
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    <link:label id="lab_us-gaap_RestrictedCashNoncurrent_38437A490E6B97DC00DC70C0D936EF95_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashNoncurrent_38437A490E6B97DC00DC70C0D936EF95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted cash</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C75E13FE28AD3E006A375580BB348225_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C75E13FE28AD3E006A375580BB348225" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding, ending balance, weighted average exercise price per share (in dollars per share)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C75E13FE28AD3E006A375580BB348225" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_D6AEE2E564F968920A385580BB341D2D_verboseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_D6AEE2E564F968920A385580BB341D2D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Outstanding, weighted average remaining contractual life</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_4A3606072893A8928CA55580BB34CDEF_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_4A3606072893A8928CA55580BB34CDEF" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding, ending balance, aggregate intrinsic value</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_8485424B85A6AAF253655580BB39F3B9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_8485424B85A6AAF253655580BB39F3B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_8485424B85A6AAF253655580BB39F3B9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_8485424B85A6AAF253655580BB39F3B9" 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, Options, Exercisable, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_8485424B85A6AAF253655580BB39F3B9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_8485424B85A6AAF253655580BB39F3B9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_8485424B85A6AAF253655580BB39F3B9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_FA40F9115A75B2E289205580BB3BADA2_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_FA40F9115A75B2E289205580BB3BADA2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable, weighted average exercise price (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_FA40F9115A75B2E289205580BB3BADA2_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_FA40F9115A75B2E289205580BB3BADA2" 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, Options, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_FA40F9115A75B2E289205580BB3BADA2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_FA40F9115A75B2E289205580BB3BADA2" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_FA40F9115A75B2E289205580BB3BADA2" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_BC411A0C967C3A4CA7A35580BB3C274C_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_BC411A0C967C3A4CA7A35580BB3C274C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable, weighted average remaining contractual term</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_BC411A0C967C3A4CA7A35580BB3C274C_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_BC411A0C967C3A4CA7A35580BB3C274C" 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, Options, Exercisable, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_BC411A0C967C3A4CA7A35580BB3C274C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_BC411A0C967C3A4CA7A35580BB3C274C" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_BC411A0C967C3A4CA7A35580BB3C274C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_904430312A4F1908DE5C5580BB3C1695_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_904430312A4F1908DE5C5580BB3C1695" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable, aggregate intrinsic value</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_904430312A4F1908DE5C5580BB3C1695" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_19928CCB2048AE0F2D42702CDAA2B34C_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_19928CCB2048AE0F2D42702CDAA2B34C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less than 1 year</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_19928CCB2048AE0F2D42702CDAA2B34C_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_19928CCB2048AE0F2D42702CDAA2B34C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum 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_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_19928CCB2048AE0F2D42702CDAA2B34C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears_F42EE823DEFC7ACA7AC5702D21697179_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears_F42EE823DEFC7ACA7AC5702D21697179" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1-3 years</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears_F42EE823DEFC7ACA7AC5702D21697179_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears_F42EE823DEFC7ACA7AC5702D21697179" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two and Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears_F42EE823DEFC7ACA7AC5702D21697179" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears_3739E2AF2BB84FCAFABE702D61131210_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears_3739E2AF2BB84FCAFABE702D61131210" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">3-5 years</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears_3739E2AF2BB84FCAFABE702D61131210" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_CC7B3949F9E0D8EEB8DF702D843DD6A3_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_CC7B3949F9E0D8EEB8DF702D843DD6A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Beyond 5 years</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_CC7B3949F9E0D8EEB8DF702D843DD6A3" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_9EB83875540F333D23F7702DAA29982F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_7933984668B1B04DE98A4F0C19760B8B_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_45E6242BD2AD5B9181DF67EF67F83215" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]</link:label>
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