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    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestNumber_B600E3F53718696F87D862B4DD7BE255_label_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestNumber_B600E3F53718696F87D862B4DD7BE255" 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 Expected To Vest Number</link:label>
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    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestAggregateIntrinsicValue_CEE2158A22076AA8D27262B4DD8A7EC7_label_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestAggregateIntrinsicValue_CEE2158A22076AA8D27262B4DD8A7EC7" 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 Expected To Vest Aggregate Intrinsic Value</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestatementAdjustmentMember" xlink:label="loc_us-gaap_RestatementAdjustmentMember_E25E7C11B2B0A535A98B989D67B0F964" xlink:type="locator" />
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    <link:label id="lab_itri_ThresholdforReportingCustomerConcentrationMember_1B17845540090AFDAB7562B4D8D98F3E_label_en-US" xlink:label="lab_itri_ThresholdforReportingCustomerConcentrationMember_1B17845540090AFDAB7562B4D8D98F3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Threshold for Reporting Customer Concentration [Member]</link:label>
    <link:label id="lab_itri_ThresholdforReportingCustomerConcentrationMember_1B17845540090AFDAB7562B4D8D98F3E_documentation_en-US" xlink:label="lab_itri_ThresholdforReportingCustomerConcentrationMember_1B17845540090AFDAB7562B4D8D98F3E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The threshold for reporting customer concentration. For any customer that meets or exceeds this threshold, the percentage of concentration with the given customer or customers is provided.</link:label>
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    <link:label id="lab_itri_CustomerAMember_55A21159131A18749B4562B4D8D94E7D_terseLabel_en-US" xlink:label="lab_itri_CustomerAMember_55A21159131A18749B4562B4D8D94E7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer A [Member]</link:label>
    <link:label id="lab_itri_CustomerAMember_55A21159131A18749B4562B4D8D94E7D_label_en-US" xlink:label="lab_itri_CustomerAMember_55A21159131A18749B4562B4D8D94E7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer A [Member]</link:label>
    <link:label id="lab_itri_CustomerAMember_55A21159131A18749B4562B4D8D94E7D_documentation_en-US" xlink:label="lab_itri_CustomerAMember_55A21159131A18749B4562B4D8D94E7D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Customer A, for the given filing. This member is exclusive of previous filings (that is, this customer A is not necessarily the same customer A as in previous filings).</link:label>
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    <link:label id="lab_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8_terseLabel_en-US" xlink:label="lab_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer B [Member]</link:label>
    <link:label id="lab_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8_label_en-US" xlink:label="lab_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer B [Member]</link:label>
    <link:label id="lab_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8_documentation_en-US" xlink:label="lab_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Customer B [Member] Customer B, for the given filing. This member is exclusive of previous filings (that is, this customer B is not necessarily the same customer B as in previous filings).</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8" xlink:to="lab_itri_CustomerBMember_5AE09AE37731C75DE33D62B4D8D959F8" xlink:type="arc" />
    <link:label id="lab_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52_terseLabel_en-US" xlink:label="lab_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gas Operating Segment [Member]</link:label>
    <link:label id="lab_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52_label_en-US" xlink:label="lab_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gas Operating Segment [Member]</link:label>
    <link:label id="lab_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52_documentation_en-US" xlink:label="lab_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gas Operating Segment [Member]</link:label>
    <link:loc xlink:href="itri-20151231.xsd#itri_GasOperatingSegmentMember" xlink:label="loc_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52" xlink:to="lab_itri_GasOperatingSegmentMember_977D427893D7E110BEBB62B4D8D9CE52" xlink:type="arc" />
    <link:label id="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_0A541C8A2A5B525E7EA162B4D8D984D3_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_0A541C8A2A5B525E7EA162B4D8D984D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue, Major Customer [Line Items]</link:label>
    <link:label id="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_0A541C8A2A5B525E7EA162B4D8D984D3_label_en-US" xlink:label="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_0A541C8A2A5B525E7EA162B4D8D984D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue, Major Customer [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EntityWideRevenueMajorCustomerLineItems" xlink:label="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_0A541C8A2A5B525E7EA162B4D8D984D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_0A541C8A2A5B525E7EA162B4D8D984D3" xlink:to="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_0A541C8A2A5B525E7EA162B4D8D984D3" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_1B23DC8D4C093DD9934A62B4D8D90AF1_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_1B23DC8D4C093DD9934A62B4D8D90AF1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting, Disclosure of Major Customers</link:label>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_1B23DC8D4C093DD9934A62B4D8D90AF1_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_1B23DC8D4C093DD9934A62B4D8D90AF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, Disclosure of Major Customers</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:label="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers_1B23DC8D4C093DD9934A62B4D8D90AF1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers_1B23DC8D4C093DD9934A62B4D8D90AF1" xlink:to="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_1B23DC8D4C093DD9934A62B4D8D90AF1" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_32D6666AD5B70397E9EC62B4D8D907A9_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_32D6666AD5B70397E9EC62B4D8D907A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of total company revenue represented by one customer</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_32D6666AD5B70397E9EC62B4D8D907A9_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_32D6666AD5B70397E9EC62B4D8D907A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_32D6666AD5B70397E9EC62B4D8D907A9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_3A5CBCCA45533FC9DA7762B4D9C35AD1_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_3A5CBCCA45533FC9DA7762B4D9C35AD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_3A5CBCCA45533FC9DA7762B4D9C35AD1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_3A5CBCCA45533FC9DA7762B4D9C35AD1" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_3A5CBCCA45533FC9DA7762B4D9C35AD1" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_7DA8E2BEE77723FFF32F62B4D9C37BAD_netLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_7DA8E2BEE77723FFF32F62B4D9C37BAD" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Effect of Net Investment Hedge Nonderivative on the Balance Sheet and Income Statement (Table)</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_7DA8E2BEE77723FFF32F62B4D9C37BAD_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_7DA8E2BEE77723FFF32F62B4D9C37BAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_7DA8E2BEE77723FFF32F62B4D9C37BAD" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_21F3519CEC967FCA065E62B4D9C31A05" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_0861B48D846B7F3C27B262B4D9C3CDCE" xlink:type="locator" />
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    <link:label id="lab_itri_AccumulatedOtherComprehensiveIncomeNetUnrealizedGainLossOnNonderivativeInstrumentsMember_5675194F6356604AEE0C62B4D9C3436E_terseLabel_en-US" xlink:label="lab_itri_AccumulatedOtherComprehensiveIncomeNetUnrealizedGainLossOnNonderivativeInstrumentsMember_5675194F6356604AEE0C62B4D9C3436E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermPurchaseCommitmentTable" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentTable_1190507538A95520B1E762B4DCCF80D4" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_D7681627142BD048A87862B4DCCFC58D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_60A50E32A23512F72DE562B4DCCFAC63_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_60A50E32A23512F72DE562B4DCCFAC63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment, Category of Item Purchased [Domain]</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_60A50E32A23512F72DE562B4DCCFAC63_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_60A50E32A23512F72DE562B4DCCFAC63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment, Category of Item Purchased [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_60A50E32A23512F72DE562B4DCCFAC63" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_62A4FB9D727FE610F02262B4DCCF274F_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems_62A4FB9D727FE610F02262B4DCCF274F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Line Items]</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_62A4FB9D727FE610F02262B4DCCF274F_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems_62A4FB9D727FE610F02262B4DCCF274F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermPurchaseCommitmentLineItems" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentLineItems_62A4FB9D727FE610F02262B4DCCF274F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_7C7B44D993F330CF251162B4DCCFA8D2_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_7C7B44D993F330CF251162B4DCCFA8D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_7C7B44D993F330CF251162B4DCCFA8D2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4BF16DA6532170C6CCF562B4DCCF2F39_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4BF16DA6532170C6CCF562B4DCCF2F39" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4BF16DA6532170C6CCF562B4DCCF2F39" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_BEE8629663182F710B3C62B4DCCFD91E_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_BEE8629663182F710B3C62B4DCCFD91E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_BEE8629663182F710B3C62B4DCCFD91E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_0619A231F9303088D60562B4DCCF5908_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_0619A231F9303088D60562B4DCCF5908" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:label id="lab_us-gaap_SuretyBondMember_B44CE23E75AE1627627962B4DE45B8C4_label_en-US" xlink:label="lab_us-gaap_SuretyBondMember_B44CE23E75AE1627627962B4DE45B8C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Surety Bond [Member]</link:label>
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    <link:label id="lab_us-gaap_GoodwillOtherChanges_5E073B367A0ED57B35F462B4DBB6FAEA_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GoodwillOtherChanges_5E073B367A0ED57B35F462B4DBB6FAEA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Goodwill, Other Changes</link:label>
    <link:label id="lab_us-gaap_GoodwillOtherChanges_5E073B367A0ED57B35F462B4DBB6FAEA_label_en-US" xlink:label="lab_us-gaap_GoodwillOtherChanges_5E073B367A0ED57B35F462B4DBB6FAEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Other Changes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillOtherChanges" xlink:label="loc_us-gaap_GoodwillOtherChanges_5E073B367A0ED57B35F462B4DBB6FAEA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillOtherChanges_5E073B367A0ED57B35F462B4DBB6FAEA" xlink:to="lab_us-gaap_GoodwillOtherChanges_5E073B367A0ED57B35F462B4DBB6FAEA" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillPurchaseAccountingAdjustments_45B409CF4657FE50540162B4DBB6387C_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillPurchaseAccountingAdjustments_45B409CF4657FE50540162B4DBB6387C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill, Purchase Accounting Adjustments</link:label>
    <link:label id="lab_us-gaap_GoodwillPurchaseAccountingAdjustments_45B409CF4657FE50540162B4DBB6387C_label_en-US" xlink:label="lab_us-gaap_GoodwillPurchaseAccountingAdjustments_45B409CF4657FE50540162B4DBB6387C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Purchase Accounting Adjustments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_45B409CF4657FE50540162B4DBB6387C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_45B409CF4657FE50540162B4DBB6387C" xlink:to="lab_us-gaap_GoodwillPurchaseAccountingAdjustments_45B409CF4657FE50540162B4DBB6387C" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillTranslationAdjustments_91255AC6EEAFAC75CB5562B4DBB693EF_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillTranslationAdjustments_91255AC6EEAFAC75CB5562B4DBB693EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of change in exchange rates</link:label>
    <link:label id="lab_us-gaap_GoodwillTranslationAdjustments_91255AC6EEAFAC75CB5562B4DBB693EF_label_en-US" xlink:label="lab_us-gaap_GoodwillTranslationAdjustments_91255AC6EEAFAC75CB5562B4DBB693EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Translation Adjustments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillTranslationAdjustments" xlink:label="loc_us-gaap_GoodwillTranslationAdjustments_91255AC6EEAFAC75CB5562B4DBB693EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillTranslationAdjustments_91255AC6EEAFAC75CB5562B4DBB693EF" xlink:to="lab_us-gaap_GoodwillTranslationAdjustments_91255AC6EEAFAC75CB5562B4DBB693EF" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillGross_B5FA4FD11FD8C127AA4862B4DBB6D9D1_verboseLabel_en-US" xlink:label="lab_us-gaap_GoodwillGross_B5FA4FD11FD8C127AA4862B4DBB6D9D1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Goodwill before impairment</link:label>
    <link:label id="lab_us-gaap_GoodwillGross_B5FA4FD11FD8C127AA4862B4DBB6D9D1_label_en-US" xlink:label="lab_us-gaap_GoodwillGross_B5FA4FD11FD8C127AA4862B4DBB6D9D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillGross" xlink:label="loc_us-gaap_GoodwillGross_B5FA4FD11FD8C127AA4862B4DBB6D9D1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_1504725679E28892059962B4DBB6CAF0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_1504725679E28892059962B4DBB6CAF0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accumulated impairment losses</link:label>
    <link:label id="lab_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_1504725679E28892059962B4DBB6CAF0_label_en-US" xlink:label="lab_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_1504725679E28892059962B4DBB6CAF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Impaired, Accumulated Impairment Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_1504725679E28892059962B4DBB6CAF0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_Goodwill_B4B4FD27BBEA8B49065562B4DBB6F215_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_B4B4FD27BBEA8B49065562B4DBB6F215" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Goodwill ending balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_B4B4FD27BBEA8B49065562B4DBB6F215" xlink:type="locator" />
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    <link:label id="lab_itri_SummaryOfWarrantyAccrualAccountActivityTable_2502C72A1AB751D4D57D62B4DC0438CE_terseLabel_en-US" xlink:label="lab_itri_SummaryOfWarrantyAccrualAccountActivityTable_2502C72A1AB751D4D57D62B4DC0438CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of the Warranty Accrual Account Activity [Table]</link:label>
    <link:label id="lab_itri_SummaryOfWarrantyAccrualAccountActivityTable_2502C72A1AB751D4D57D62B4DC0438CE_label_en-US" xlink:label="lab_itri_SummaryOfWarrantyAccrualAccountActivityTable_2502C72A1AB751D4D57D62B4DC0438CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of the Warranty Accrual Account Activity [Table]</link:label>
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    <link:label id="lab_itri_WarrantiesactivityLineItems_6400A4CC5092F1A91C9662B4DC040989_label_en-US" xlink:label="lab_itri_WarrantiesactivityLineItems_6400A4CC5092F1A91C9662B4DC040989" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">WarrantiesActivity [Line Items]</link:label>
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    <link:loc xlink:href="itri-20151231.xsd#itri_WarrantiesactivityLineItems" xlink:label="loc_itri_WarrantiesactivityLineItems_6400A4CC5092F1A91C9662B4DC040989" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProductWarrantyAccrual_425E0B5462328F1056AA62B4DC043573_periodStartLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_425E0B5462328F1056AA62B4DC043573" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrual_425E0B5462328F1056AA62B4DC043573_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_425E0B5462328F1056AA62B4DC043573" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_425E0B5462328F1056AA62B4DC043573" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrual_425E0B5462328F1056AA62B4DC043573" xlink:to="lab_us-gaap_ProductWarrantyAccrual_425E0B5462328F1056AA62B4DC043573" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_F6B3AA15495D3D983F2962B4DC04C660_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_F6B3AA15495D3D983F2962B4DC04C660" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New product warranties</link:label>
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_F6B3AA15495D3D983F2962B4DC04C660_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_F6B3AA15495D3D983F2962B4DC04C660" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard Product Warranty Accrual, Warranties Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_F6B3AA15495D3D983F2962B4DC04C660" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_F6B3AA15495D3D983F2962B4DC04C660" xlink:to="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_F6B3AA15495D3D983F2962B4DC04C660" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_A5EF8541469AF0E9BF3B62B4DC04C885_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_A5EF8541469AF0E9BF3B62B4DC04C885" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other changes/adjustments to warranties</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_A5EF8541469AF0E9BF3B62B4DC04C885_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_A5EF8541469AF0E9BF3B62B4DC04C885" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual, Preexisting, Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease" xlink:label="loc_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_A5EF8541469AF0E9BF3B62B4DC04C885" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_A5EF8541469AF0E9BF3B62B4DC04C885" xlink:to="lab_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_A5EF8541469AF0E9BF3B62B4DC04C885" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPayments_D9AD2CAEE26B31CDCC4F62B4DC04DDEB_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPayments_D9AD2CAEE26B31CDCC4F62B4DC04DDEB" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Claims activity</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPayments_D9AD2CAEE26B31CDCC4F62B4DC04DDEB_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPayments_D9AD2CAEE26B31CDCC4F62B4DC04DDEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual, Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments" xlink:label="loc_us-gaap_ProductWarrantyAccrualPayments_D9AD2CAEE26B31CDCC4F62B4DC04DDEB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrualPayments_D9AD2CAEE26B31CDCC4F62B4DC04DDEB" xlink:to="lab_us-gaap_ProductWarrantyAccrualPayments_D9AD2CAEE26B31CDCC4F62B4DC04DDEB" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualCurrencyTranslationIncreaseDecrease_CE50D5ACDB6A6E5F2D1062B4DC0449A6_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualCurrencyTranslationIncreaseDecrease_CE50D5ACDB6A6E5F2D1062B4DC0449A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of change in exchange rates</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrualCurrencyTranslationIncreaseDecrease" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualCurrencyTranslationIncreaseDecrease_CE50D5ACDB6A6E5F2D1062B4DC0449A6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProductWarrantyAccrual_5D3A7D8BBBC7496385EC62B4DC04DF86_periodEndLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_5D3A7D8BBBC7496385EC62B4DC04DF86" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_5D3A7D8BBBC7496385EC62B4DC04DF86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrual_5D3A7D8BBBC7496385EC62B4DC04DF86" xlink:to="lab_us-gaap_ProductWarrantyAccrual_5D3A7D8BBBC7496385EC62B4DC04DF86" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrualClassifiedCurrent_EC0D1C38B4074ACA0EBE62B4DC04142C_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualClassifiedCurrent_EC0D1C38B4074ACA0EBE62B4DC04142C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less: current portion of warranty</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrualClassifiedCurrent_EC0D1C38B4074ACA0EBE62B4DC04142C_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualClassifiedCurrent_EC0D1C38B4074ACA0EBE62B4DC04142C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual, Current</link:label>
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    <link:label id="lab_itri_EURIBORMember_7DC6A715E99A2F8EB51A62B4DF200ADE_label_en-US" xlink:label="lab_itri_EURIBORMember_7DC6A715E99A2F8EB51A62B4DF200ADE" 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_7DC6A715E99A2F8EB51A62B4DF200ADE_documentation_en-US" xlink:label="lab_itri_EURIBORMember_7DC6A715E99A2F8EB51A62B4DF200ADE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">EURIBOR Euro Interbank Offered Rate [Member]</link:label>
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    <link:label id="lab_itri_AlternateBaseRate1Member_998A6312F98A22AE6FDC62B4DF200BB1_label_en-US" xlink:label="lab_itri_AlternateBaseRate1Member_998A6312F98A22AE6FDC62B4DF200BB1" 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_998A6312F98A22AE6FDC62B4DF200BB1_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate1Member_998A6312F98A22AE6FDC62B4DF200BB1" 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>
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    <link:label id="lab_itri_AlternateBaseRate2Member_F7867B3AEF473F18A72E62B4DF20D2DD_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_F7867B3AEF473F18A72E62B4DF20D2DD" 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_F7867B3AEF473F18A72E62B4DF20D2DD_label_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_F7867B3AEF473F18A72E62B4DF20D2DD" 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_F7867B3AEF473F18A72E62B4DF20D2DD_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate2Member_F7867B3AEF473F18A72E62B4DF20D2DD" 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>
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    <link:label id="lab_itri_AlternateBaseRate3Member_61BD11F4B8B3E07C93D662B4DF20D0CB_terseLabel_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_61BD11F4B8B3E07C93D662B4DF20D0CB" 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_61BD11F4B8B3E07C93D662B4DF20D0CB_label_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_61BD11F4B8B3E07C93D662B4DF20D0CB" 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_61BD11F4B8B3E07C93D662B4DF20D0CB_documentation_en-US" xlink:label="lab_itri_AlternateBaseRate3Member_61BD11F4B8B3E07C93D662B4DF20D0CB" 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>
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    <link:label id="lab_us-gaap_StandbyLettersOfCreditMember_56291395DB3F052EC27862B4DF20800B_label_en-US" xlink:label="lab_us-gaap_StandbyLettersOfCreditMember_56291395DB3F052EC27862B4DF20800B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standby Letters of Credit [Member]</link:label>
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