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    <link:label id="lab_us-gaap_LongTermDebt_6CFE4789D03969162D771A02C7BBFE39_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_6CFE4789D03969162D771A02C7BBFE39" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtCurrent_DCC20278F0D5900CCFA51A02C7BB1125_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_DCC20278F0D5900CCFA51A02C7BB1125" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion of debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtCurrent_DCC20278F0D5900CCFA51A02C7BB1125_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_DCC20278F0D5900CCFA51A02C7BB1125" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Current Maturities</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_87BF88DCE48A74ABC56B1A02C7BB1DFB_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_87BF88DCE48A74ABC56B1A02C7BB1DFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_87BF88DCE48A74ABC56B1A02C7BB1DFB_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_87BF88DCE48A74ABC56B1A02C7BB1DFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
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    <link:label id="lab_us-gaap_VestingAxis_7657E930B5536CFFF5B389FCA444E1B1_label_en-US" xlink:label="lab_us-gaap_VestingAxis_7657E930B5536CFFF5B389FCA444E1B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
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    <link:label id="lab_us-gaap_VestingDomain_C37B0180AD71347AF99889FCA44497C8_label_en-US" xlink:label="lab_us-gaap_VestingDomain_C37B0180AD71347AF99889FCA44497C8" 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/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_C37B0180AD71347AF99889FCA44497C8" xlink:type="locator" />
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    <link:label id="lab_itri_VestedAndReleasedMember_E10D72A43CF498E4E8D789FCA4447C4D_terseLabel_en-US" xlink:label="lab_itri_VestedAndReleasedMember_E10D72A43CF498E4E8D789FCA4447C4D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and Released [Member]</link:label>
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    <link:label id="lab_itri_VestedButNotReleasedMember_04B043B7BF8CC49C712289FCA444A1B4_terseLabel_en-US" xlink:label="lab_itri_VestedButNotReleasedMember_04B043B7BF8CC49C712289FCA444A1B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested but Not Released [Member]</link:label>
    <link:label id="lab_itri_VestedButNotReleasedMember_04B043B7BF8CC49C712289FCA444A1B4_label_en-US" xlink:label="lab_itri_VestedButNotReleasedMember_04B043B7BF8CC49C712289FCA444A1B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vested but Not Released [Member]</link:label>
    <link:label id="lab_itri_VestedButNotReleasedMember_04B043B7BF8CC49C712289FCA444A1B4_documentation_en-US" xlink:label="lab_itri_VestedButNotReleasedMember_04B043B7BF8CC49C712289FCA444A1B4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vested but not released due to contractual agreement or statutory requirement.</link:label>
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    <link:label id="lab_itri_ExpectedToVestMember_CAC5E06B686AA8B33BB189FCA44479C3_terseLabel_en-US" xlink:label="lab_itri_ExpectedToVestMember_CAC5E06B686AA8B33BB189FCA44479C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected to Vest [Member]</link:label>
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    <link:label id="lab_itri_MachineryAndEquipmentGross1_29420147487C6678D9ED89FCA5CB452B_documentation_en-US" xlink:label="lab_itri_MachineryAndEquipmentGross1_29420147487C6678D9ED89FCA5CB452B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, and other machinery and equipment used in the production of goods and services.</link:label>
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    <link:label id="lab_itri_BuildingsFurnitureAndImprovements_3A3A49B57FBF34C3C07F89FCA5CC1101_terseLabel_en-US" xlink:label="lab_itri_BuildingsFurnitureAndImprovements_3A3A49B57FBF34C3C07F89FCA5CC1101" 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:label id="lab_us-gaap_Land_5138B9674902A53C04CE89FCA5CCE1F7_label_en-US" xlink:label="lab_us-gaap_Land_5138B9674902A53C04CE89FCA5CCE1F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land</link:label>
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    <link:label id="lab_us-gaap_ConstructionInProgressGross_B3AE6CE5D35D9CF91C1089FCA5CC9E5A_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressGross_B3AE6CE5D35D9CF91C1089FCA5CC9E5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in progress, including purchased equipment</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_1DAF6F1DC3B26CDB5EC389FCA5CC0AF0_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_1DAF6F1DC3B26CDB5EC389FCA5CC0AF0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total cost</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_1DAF6F1DC3B26CDB5EC389FCA5CC0AF0_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_1DAF6F1DC3B26CDB5EC389FCA5CC0AF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
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    <link:label id="lab_itri_ThresholdforReportingCustomerConcentrationMember_C05670C913CBF79FD5CA862392B05136_documentation_en-US" xlink:label="lab_itri_ThresholdforReportingCustomerConcentrationMember_C05670C913CBF79FD5CA862392B05136" 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_A50B0637FC005C3A0C74862392B05A01_terseLabel_en-US" xlink:label="lab_itri_CustomerAMember_A50B0637FC005C3A0C74862392B05A01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer A [Member]</link:label>
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    <link:label id="lab_itri_CustomerAMember_A50B0637FC005C3A0C74862392B05A01_documentation_en-US" xlink:label="lab_itri_CustomerAMember_A50B0637FC005C3A0C74862392B05A01" 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_us-gaap_EntityWideRevenueMajorCustomerLineItems_B5796F5EFB4A55FFB8C5862392B147F8_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_B5796F5EFB4A55FFB8C5862392B147F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue, Major Customer [Line Items]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EntityWideRevenueMajorCustomerLineItems" xlink:label="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_B5796F5EFB4A55FFB8C5862392B147F8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_499D472586275B8C2FF6862392B17F47_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_499D472586275B8C2FF6862392B17F47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_499D472586275B8C2FF6862392B17F47_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_499D472586275B8C2FF6862392B17F47" 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/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_499D472586275B8C2FF6862392B17F47" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AwardTypeAxis_D5FB1A2D143E73B224D889FCA5F604DB_verboseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_D5FB1A2D143E73B224D889FCA5F604DB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_D5FB1A2D143E73B224D889FCA5F604DB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D8CF8D637D952E82EAFA89FCA5F799C2_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D8CF8D637D952E82EAFA89FCA5F799C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D8CF8D637D952E82EAFA89FCA5F799C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D8CF8D637D952E82EAFA89FCA5F799C2" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D8CF8D637D952E82EAFA89FCA5F799C2" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_4085B3A2FF4F28D8E28E89FCA5F72727_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_4085B3A2FF4F28D8E28E89FCA5F72727" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares of stock sold to employees(1)</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_4085B3A2FF4F28D8E28E89FCA5F72727_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_4085B3A2FF4F28D8E28E89FCA5F72727" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Employee Stock Purchase Plans</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_4085B3A2FF4F28D8E28E89FCA5F72727" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_4085B3A2FF4F28D8E28E89FCA5F72727" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_4085B3A2FF4F28D8E28E89FCA5F72727" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_DA085E24E7179670225A89FCA5F70B5E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_DA085E24E7179670225A89FCA5F70B5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average fair value per ESPP award(2)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_DA085E24E7179670225A89FCA5F70B5E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_DA085E24E7179670225A89FCA5F70B5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_DA085E24E7179670225A89FCA5F70B5E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeSeveranceMember_3950BD17BEA844365249AD8CCB6CA15A_verboseLabel_en-US" xlink:label="lab_us-gaap_EmployeeSeveranceMember_3950BD17BEA844365249AD8CCB6CA15A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accrued Employee Severance [Member]</link:label>
    <link:label id="lab_us-gaap_EmployeeSeveranceMember_3950BD17BEA844365249AD8CCB6CA15A_label_en-US" xlink:label="lab_us-gaap_EmployeeSeveranceMember_3950BD17BEA844365249AD8CCB6CA15A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Severance [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_3950BD17BEA844365249AD8CCB6CA15A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeSeveranceMember_3950BD17BEA844365249AD8CCB6CA15A" xlink:to="lab_us-gaap_EmployeeSeveranceMember_3950BD17BEA844365249AD8CCB6CA15A" xlink:type="arc" />
    <link:label id="lab_itri_AssetImpairmentAndNetGainLossOnSaleOrDisposalMember_DEB821ABF57AF370D7FCAD8CCB6CECDB_terseLabel_en-US" xlink:label="lab_itri_AssetImpairmentAndNetGainLossOnSaleOrDisposalMember_DEB821ABF57AF370D7FCAD8CCB6CECDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]</link:label>
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    <link:label id="lab_itri_AssetImpairmentAndNetGainLossOnSaleOrDisposalMember_DEB821ABF57AF370D7FCAD8CCB6CECDB_documentation_en-US" xlink:label="lab_itri_AssetImpairmentAndNetGainLossOnSaleOrDisposalMember_DEB821ABF57AF370D7FCAD8CCB6CECDB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_BA0BB691A379B345B27576301C68E757" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_BA0BB691A379B345B27576301C68E757" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CE60CDD01E9F60E3FC5A76301C68B5ED_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CE60CDD01E9F60E3FC5A76301C68B5ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized compensation expense</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CE60CDD01E9F60E3FC5A76301C68B5ED_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CE60CDD01E9F60E3FC5A76301C68B5ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CE60CDD01E9F60E3FC5A76301C68B5ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CE60CDD01E9F60E3FC5A76301C68B5ED" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CE60CDD01E9F60E3FC5A76301C68B5ED" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_78EC76B228D74CB895B276301C684C32_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_78EC76B228D74CB895B276301C684C32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized compensation expense, Expected weighted average period for recognition (years)</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_78EC76B228D74CB895B276301C684C32_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_78EC76B228D74CB895B276301C684C32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_78EC76B228D74CB895B276301C684C32" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_35F4E5D8FFCB25C1246776301C689140_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_35F4E5D8FFCB25C1246776301C689140" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award vesting period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_35F4E5D8FFCB25C1246776301C689140_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_35F4E5D8FFCB25C1246776301C689140" 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, Award Vesting Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_35F4E5D8FFCB25C1246776301C689140" xlink:type="locator" />
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    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit_96EC6A75B24E63B9E88776301C68336C_terseLabel_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit_96EC6A75B24E63B9E88776301C68336C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance Condition Vesting Range, Lower Range Limit</link:label>
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    <link:loc xlink:href="itri-20140331.xsd#itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit" xlink:label="loc_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit_96EC6A75B24E63B9E88776301C68336C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit_96EC6A75B24E63B9E88776301C68336C" xlink:to="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit_96EC6A75B24E63B9E88776301C68336C" xlink:type="arc" />
    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit_A003319BB299AAF5BB9576301C68C164_terseLabel_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit_A003319BB299AAF5BB9576301C68C164" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance Condition Vesting Range, Upper Range Limit</link:label>
    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit_A003319BB299AAF5BB9576301C68C164_label_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit_A003319BB299AAF5BB9576301C68C164" 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, Performance Condition Vesting Range, Upper Range Limit</link:label>
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    <link:loc xlink:href="itri-20140331.xsd#itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit" xlink:label="loc_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit_A003319BB299AAF5BB9576301C68C164" xlink:type="locator" />
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    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit_69DFFC48C92E6E54605976301C6859AD_terseLabel_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit_69DFFC48C92E6E54605976301C6859AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Condition Multiplier, Lower Range Limit</link:label>
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    <link:loc xlink:href="itri-20140331.xsd#itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit" xlink:label="loc_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit_69DFFC48C92E6E54605976301C6859AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit_69DFFC48C92E6E54605976301C6859AD" xlink:to="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit_69DFFC48C92E6E54605976301C6859AD" xlink:type="arc" />
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    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedLowerRangeLimit_0E3FEAB2A2C01E2C1EA676301C681894_terseLabel_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedLowerRangeLimit_0E3FEAB2A2C01E2C1EA676301C681894" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible Total Percentage of Shares Vested, Lower Range Limit</link:label>
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    <link:label id="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit_998BA4BCDD9F2B63D98F76301C684A17_label_en-US" xlink:label="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit_998BA4BCDD9F2B63D98F76301C684A17" 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, Possible Total Percentage of Shares Vested, Upper Range Limit</link:label>
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    <link:loc xlink:href="itri-20140331.xsd#itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit" xlink:label="loc_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit_998BA4BCDD9F2B63D98F76301C684A17" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit_998BA4BCDD9F2B63D98F76301C684A17" xlink:to="lab_itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit_998BA4BCDD9F2B63D98F76301C684A17" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_FF55770FA99CDA9A30F476301C680CFA_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_FF55770FA99CDA9A30F476301C680CFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ESPP, maximum percentage of employee salary eligible for participation</link:label>
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_898AF61A483BF8B1E89EBD6132F12A91_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_898AF61A483BF8B1E89EBD6132F12A91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_898AF61A483BF8B1E89EBD6132F12A91" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_898AF61A483BF8B1E89EBD6132F12A91" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_898AF61A483BF8B1E89EBD6132F12A91" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReceivablesPolicyTextBlock_AB9D370D18E2EF3E6978BD6132F1C516_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesPolicyTextBlock_AB9D370D18E2EF3E6978BD6132F1C516" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Receivable and Allowance for Doubtful Accounts [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_ReceivablesPolicyTextBlock_AB9D370D18E2EF3E6978BD6132F1C516_label_en-US" xlink:label="lab_us-gaap_ReceivablesPolicyTextBlock_AB9D370D18E2EF3E6978BD6132F1C516" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="loc_us-gaap_ReceivablesPolicyTextBlock_AB9D370D18E2EF3E6978BD6132F1C516" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesPolicyTextBlock_AB9D370D18E2EF3E6978BD6132F1C516" xlink:to="lab_us-gaap_ReceivablesPolicyTextBlock_AB9D370D18E2EF3E6978BD6132F1C516" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_4D59621512B56B3B764CBD6132F15613_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_4D59621512B56B3B764CBD6132F15613" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_4D59621512B56B3B764CBD6132F15613_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_4D59621512B56B3B764CBD6132F15613" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_4D59621512B56B3B764CBD6132F15613" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryPolicyTextBlock_4D59621512B56B3B764CBD6132F15613" xlink:to="lab_us-gaap_InventoryPolicyTextBlock_4D59621512B56B3B764CBD6132F15613" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_3AD857C5CA9A61391E34BD6132F1555B_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_3AD857C5CA9A61391E34BD6132F1555B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_3AD857C5CA9A61391E34BD6132F1555B_label_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_3AD857C5CA9A61391E34BD6132F1555B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock_3AD857C5CA9A61391E34BD6132F1555B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesPolicyTextBlock_3AD857C5CA9A61391E34BD6132F1555B" xlink:to="lab_us-gaap_DerivativesPolicyTextBlock_3AD857C5CA9A61391E34BD6132F1555B" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2118E523D4AE1FC18F3DBD6132F16BC9_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2118E523D4AE1FC18F3DBD6132F16BC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant, and Equipment [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2118E523D4AE1FC18F3DBD6132F16BC9_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2118E523D4AE1FC18F3DBD6132F16BC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2118E523D4AE1FC18F3DBD6132F16BC9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2118E523D4AE1FC18F3DBD6132F16BC9" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2118E523D4AE1FC18F3DBD6132F16BC9" xlink:type="arc" />
    <link:label id="lab_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6_terseLabel_en-US" xlink:label="lab_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid Debt Fees [Policy Text Block]</link:label>
    <link:label id="lab_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6_label_en-US" xlink:label="lab_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Debt Fees [Policy Text Block]</link:label>
    <link:label id="lab_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6_documentation_en-US" xlink:label="lab_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Prepaid debt fees represent the capitalized direct costs incurred related to the issuance of debt and are recorded as noncurrent assets. These costs are amortized to interest expense over the lives of the respective borrowings, including contingent maturity or call features, using the effective interest method, or straight-line method when associated with a revolving credit facility. When debt is repaid early, the related portion of unamortized prepaid debt fees is written-off and included in interest expense. [Policy Text Block]</link:label>
    <link:loc xlink:href="itri-20140331.xsd#itri_PrepaidDebtFeesPolicyTextBlock" xlink:label="loc_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6" xlink:to="lab_itri_PrepaidDebtFeesPolicyTextBlock_981976203AD07066AA15BD6132F17DB6" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationsPolicy_84FB3AE2C83590344B7BBD6132F1349A_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationsPolicy_84FB3AE2C83590344B7BBD6132F1349A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Combinations [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationsPolicy_84FB3AE2C83590344B7BBD6132F1349A_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsPolicy_84FB3AE2C83590344B7BBD6132F1349A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combinations Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessCombinationsPolicy" xlink:label="loc_us-gaap_BusinessCombinationsPolicy_84FB3AE2C83590344B7BBD6132F1349A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationsPolicy_84FB3AE2C83590344B7BBD6132F1349A" xlink:to="lab_us-gaap_BusinessCombinationsPolicy_84FB3AE2C83590344B7BBD6132F1349A" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_70BB7DA0D7A02E80230BBD6132F1BCB5_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_70BB7DA0D7A02E80230BBD6132F1BCB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_70BB7DA0D7A02E80230BBD6132F1BCB5_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_70BB7DA0D7A02E80230BBD6132F1BCB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_70BB7DA0D7A02E80230BBD6132F1BCB5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_70BB7DA0D7A02E80230BBD6132F1BCB5" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_70BB7DA0D7A02E80230BBD6132F1BCB5" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_BFFF2AD145E58F33A99CBD6132F1B09F_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_BFFF2AD145E58F33A99CBD6132F1B09F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingencies [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_BFFF2AD145E58F33A99CBD6132F1B09F_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_BFFF2AD145E58F33A99CBD6132F1B09F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_BFFF2AD145E58F33A99CBD6132F1B09F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_BFFF2AD145E58F33A99CBD6132F1B09F" xlink:to="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_BFFF2AD145E58F33A99CBD6132F1B09F" xlink:type="arc" />
    <link:label id="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_00A35E13BA62BCC35235BD6132F110B2_terseLabel_en-US" xlink:label="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_00A35E13BA62BCC35235BD6132F110B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonus and Profit Sharing [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_00A35E13BA62BCC35235BD6132F110B2_label_en-US" xlink:label="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_00A35E13BA62BCC35235BD6132F110B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation Related Costs, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock_00A35E13BA62BCC35235BD6132F110B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock_00A35E13BA62BCC35235BD6132F110B2" xlink:to="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_00A35E13BA62BCC35235BD6132F110B2" xlink:type="arc" />
    <link:label id="lab_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0_terseLabel_en-US" xlink:label="lab_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warranty [Policy Text Block]</link:label>
    <link:label id="lab_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0_label_en-US" xlink:label="lab_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warranty [Policy Text Block]</link:label>
    <link:label id="lab_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0_documentation_en-US" xlink:label="lab_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of accounting policy for all warranty types including the methodology for measuring the liability. [Policy Text Block]</link:label>
    <link:loc xlink:href="itri-20140331.xsd#itri_WarrantyPolicyTextBlock" xlink:label="loc_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0" xlink:to="lab_itri_WarrantyPolicyTextBlock_28F93202EFBBB4057E1CBD6132F12EA0" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_6758637AA58344C17EB0BD6132F1819E_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_6758637AA58344C17EB0BD6132F1819E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restructuring and Asset Impairments [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_6758637AA58344C17EB0BD6132F1819E_label_en-US" xlink:label="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_6758637AA58344C17EB0BD6132F1819E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock" xlink:label="loc_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_6758637AA58344C17EB0BD6132F1819E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_6758637AA58344C17EB0BD6132F1819E" xlink:to="lab_us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_6758637AA58344C17EB0BD6132F1819E" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy_AA0B0E181169AE5EDB88BD6132F1EEE7_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy_AA0B0E181169AE5EDB88BD6132F1EEE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Pension Plans [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy_AA0B0E181169AE5EDB88BD6132F1EEE7_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy_AA0B0E181169AE5EDB88BD6132F1EEE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy" xlink:label="loc_us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy_AA0B0E181169AE5EDB88BD6132F1EEE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy_AA0B0E181169AE5EDB88BD6132F1EEE7" xlink:to="lab_us-gaap_PensionAndOtherPostretirementPlansPensionsPolicy_AA0B0E181169AE5EDB88BD6132F1EEE7" xlink:type="arc" />
    <link:label id="lab_itri_ShareRepurchasePolicyPolicyTextBlock_5DEC2D5FD72073E8435FBD6132F18EAC_terseLabel_en-US" xlink:label="lab_itri_ShareRepurchasePolicyPolicyTextBlock_5DEC2D5FD72073E8435FBD6132F18EAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Repurchase Plan [Policy Text Block]</link:label>
    <link:label id="lab_itri_ShareRepurchasePolicyPolicyTextBlock_5DEC2D5FD72073E8435FBD6132F18EAC_label_en-US" xlink:label="lab_itri_ShareRepurchasePolicyPolicyTextBlock_5DEC2D5FD72073E8435FBD6132F18EAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Policy [Policy Text Block]</link:label>
    <link:label id="lab_itri_ShareRepurchasePolicyPolicyTextBlock_5DEC2D5FD72073E8435FBD6132F18EAC_documentation_en-US" xlink:label="lab_itri_ShareRepurchasePolicyPolicyTextBlock_5DEC2D5FD72073E8435FBD6132F18EAC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Describes the company's accounting policy related to share repurchases under a program authorized by its Board of Directors. Share repurchases are made in the open market or in privately negotiated transactions and in accordance with applicable securities and state laws.[Policy Text Block]</link:label>
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