Goodwill Excluding Non Goodwill Intangibles [Abstract] Goodwill, excluding non-goodwill intangible assets [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Business Segments [Axis] Segments [Axis] Total Company [Domain] Segments [Domain] Goodwill [Line Items] Goodwill [Line Items] Schedule of Goodwill [Table Text Block] Schedule of Goodwill [Table Text Block] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Nonrecurring Adjustment [Domain] Nonrecurring Adjustment [Domain] Acquisition-related Costs [Member] Acquisition-related Costs [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Revenues Business Acquisition, Pro Forma Revenue Net Income (loss) Business Acquisition, Pro Forma Net Income (Loss) Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Income Taxes [Abstract] Income Taxes [Abstract] Deferred Tax Assets and Liabilities [Table] Deferred Tax Assets and Liabilities [Table] Deferred Tax Assets and Liabilities [Table] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] General Business Tax Credit Carryforward [Member] General Business Tax Credit Carryforward [Member] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] U.S. federal UNITED STATES LUXEMBOURG LUXEMBOURG Statement [Line Items] Deferred tax assets Deferred Tax Assets, Gross [Abstract] Loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Tax Credit Carryforward, Amount Tax Credit Carryforward, Amount Accrued expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Pension plan benefits expense Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Warranty reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves Depreciation and amortization Deferred Tax Assets, Depreciation and Amortization The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from the excess of the tax basis over GAAP book basis of tangible and intangible assets. Equity compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Inventory valuation Deferred Tax Assets, Inventory Deferred tax asset, deferred revenue Deferred tax asset, deferred revenue Deferred tax asset attributable to deferred revenue Deferred Tax Assets, Unrealized Currency Losses Deferred Tax Assets, Unrealized Currency Losses Other deferred tax assets, net Deferred Tax Assets, Other Total deferred tax assets Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities Deferred Tax Liabilities, Gross [Abstract] Depreciation and amortization Deferred Tax Liabilities, Depreciation and Amortization The amount as of the balance sheet date of the estimated future tax effects arising from the excess of the GAAP book basis over tax basis of tangible and intangible assets which will increase future taxable income when such temporary difference is reversed. Tax effect of accumulated translation Deferred Tax Liabilities, Other Comprehensive Income Other deferred tax liabilities, net Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Net Net deferred tax assets Deferred Tax Assets, Net Loss carryforwards by Jurisdiction Operating Loss Carryforwards Deferred Tax Assets, Tax Credit Carryforwards, General Business Deferred Tax Assets, Tax Credit Carryforwards, General Business Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Deferred Tax Assets, Tax Credit Carryforwards, Foreign Deferred Tax Assets, Tax Credit Carryforwards, Foreign Deferred Tax Assets, Tax Credit Carryforwards, Other Deferred Tax Assets, Tax Credit Carryforwards, Other Tax Credit Carryforward, Valuation Allowance Tax Credit Carryforward, Valuation Allowance Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Purchase Price Allocation [Table Text Block] Schedule of Purchase Price Allocation (1) [Table Text Block] Tabular disclosure of all of the fair values of the purchase price and assets and liabilities acquired in a business combination. Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Schedule Of Revenues and Earnings Attributable to an Acquired Business [Table Text Block] Schedule Of Revenues and Earnings Attributable to an Acquired Business [Table Text Block] Schedule Of Revenues and Earnings Attributable to an Acquired Business [Table Text Block] Business Acquisition, Pro Forma Information [Table Text Block] Business Acquisition, Pro Forma Information [Table Text Block] Other Comprehensive Income (Loss) [Abstract] Other Comprehensive Income (Loss) [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Before-tax amount [Abstract] Before-tax amount [Abstract] Before-tax amount [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Net unrealized gain (loss) on derivative instruments designated as cash flow hedges Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Net hedging (gain) loss reclassified into net income (loss) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Total other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax Tax (provision) benefit [Abstract] Tax (provision) benefit [Abstract] Tax (provision) benefit [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Net unrealized gain (loss) on derivative instruments designated as cash flow hedges Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Net hedging (gain) loss reclassified into net income (loss) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Total other comprehensive income (loss) tax (provision) benefit Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Net-of-tax amount Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Net unrealized gain (loss) on derivative instruments designated as cash flow hedges Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Net hedging (gain) loss reclassified into net income (loss) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Statement of Cash Flows [Abstract] Statement, Scenario [Axis] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Stock-based compensation Share-based Compensation Amortization of prepaid debt fees Amortization of Debt Issuance Costs Deferred taxes, net Increase (Decrease) in Deferred Income Taxes Restructuring, non-cash Restructuring Costs Other adjustments, net Other Noncash Income (Expense) Changes in operating assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other current assets Increase (Decrease) in Other Current Assets Other long-term assets Increase (Decrease) in Other Noncurrent Assets Accounts payables, other current liabilities, and taxes payable Increase (Decrease) in Accounts Payable and Accrued Liabilities Wages and benefits payable Increase (Decrease) in Employee Related Liabilities Unearned revenue Increase (Decrease) in Deferred Revenue Warranty Warranty Total increases (decreases) in estimated warranty claims based on historical and projected product performance trends and costs. Other operating, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Acquisitions of property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Other investing, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from borrowings Proceeds from Issuance of Senior Long-term Debt Payments on debt Repayments of Long-term Debt Issuance of common stock Proceeds from Issuance of Common Stock Repurchase of common stock Payments for Repurchase of Common Stock Other financing, net Proceeds from (Payments for) Other Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash Effect of Exchange Rate on Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Increase in cash, cash equivalents, and restricted cash Cash and Cash Equivalents, Period Increase (Decrease) Cash, cash equivalents, and restricted cash at beginning of period Cash and Cash Equivalents, at Carrying Value Cash, cash equivalents, and restricted cash at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Income taxes, net Income Taxes Paid, Net Interest Interest Paid, Net Restructuring and Related Activities [Abstract] Restructuring, Impairment, and Other Activities Disclosure [Text Block] Restructuring, Impairment, and Other Activities Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Core-developed technology [Member] Developed Technology Rights [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Commitments and Contingencies Disclosure [Abstract] Schedule of Rent Expense [Table Text Block] Schedule of Rent Expense [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Line of Credit Facilities [Table Text Block] Schedule of Line of Credit Facilities [Table Text Block] Schedule of Warranty Accruals [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] Warranty Expense [Table Text Block] Warranty Expense [Table Text Block] Warranty Expense [Table Text Block] Schedule of Changes to Unearned Revenue for Extended Warranty [Table Text Block] Schedule of Changes to Unearned Revenue for Extended Warranty [Table Text Block] Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance [Table Text Block] Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance [Table Text Block] Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance [Table Text Block] Stockholders' Equity Note [Abstract] Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Preferred Stock, No Par Value Preferred Stock, No Par Value Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Estimated Future Annual Amortization Expense [Table] Estimated Future Annual Amortization Expense [Table] Estimated Future Annual Amortization Expense [Table] 2017 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Five Beyond 2022 Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total intangible assets subject to amortization Finite-Lived Intangible Assets, Net Offsetting Derivative Liabilities [Abstract] Offsetting Liabilities [Table] Offsetting Liabilities [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Offsetting Liabilities [Line Items] Offsetting Liabilities [Line Items] Derivative Liability Derivative Liability Derivative Liability, Fair Value, Amount Not Offset Against Collateral Derivative Liability, Fair Value, Amount Not Offset Against Collateral Derivative, Collateral, Right to Reclaim Cash Derivative, Collateral, Right to Reclaim Cash Derivative Liability, Fair Value, Amount Offset Against Collateral Derivative Liability, Fair Value, Amount Offset Against Collateral Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] Segment Reporting [Abstract] Segment Information [Text Block] Segment Reporting Disclosure [Text Block] Income Statement [Abstract] Sales Revenue, Goods, Net Sales Revenue, Goods, Net Sales Revenue, Services, Net Sales Revenue, Services, Net Total revenues Revenue, Net Cost of Goods Sold Cost of Goods Sold Cost of Services Cost of Services Total cost of revenues Cost of Goods and Services Sold Gross profit Gross Profit Operating expenses Operating Expenses [Abstract] Sales and marketing Selling and Marketing Expense Product development Research and Development Expense General and administrative General and Administrative Expense Amortization of Intangible Assets Amortization of Intangible Assets Restructuring Restructuring Charges Total operating expenses Operating Expenses Operating income Operating Income (Loss) Other income (expense) Nonoperating Income (Expense) [Abstract] Interest income Investment Income, Interest Interest expense Interest Expense Other income (expense), net Other Nonoperating Income (Expense) Total other income (expense) Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax provision Income Tax Expense (Benefit) Net income Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Itron, Inc. Net Income (Loss) Attributable to Parent Earnings per common share - Basic Earnings Per Share, Basic Earnings per common share - Diluted Earnings Per Share, Diluted Weighted average common shares outstanding - Basic Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding - Diluted Weighted Average Number of Shares Outstanding, Diluted Schedule of Assets and Liabilities Acquired in a Business Combination [Table] Schedule of Assets and Liabilities Acquired in a Business Combination [Table] Schedule of Assets and Liabilities Acquired in a Business Combination [Table] Acquired Finite-Lived Intangible Assets by Major Class [Axis] Core Developed Technology [Member] Core Developed Technology [Member] Core Developed Technology [Member] Customer Contracts And Relationships [Member] Customer Contracts And Relationships [Member] Customer Contracts And Relationships [Member] Trademarks and Trade Names [Member] Trademarks and Trade Names [Member] In Process Research and Development [Member] In Process Research and Development [Member] Schedule of Assets and Liabilities Acquired in a Business Combination [Line Items] Schedule of Assets and Liabilities Acquired in a Business Combination [Line Items] Schedule of Assets and Liabilities Acquired in a Business Combination [Line Items] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Gross contractual value of accounts receivable acquired Business Combination, Acquired Receivables, Gross Contractual Amount Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Goodwill acquired Goodwill, Acquired During Period Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities [Abstract] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Debt Disclosure [Abstract] Debt [Text Block] Debt Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Employee Stock Option [Member] Employee Stock Option [Member] Employee Stock [Member] Employee Stock [Member] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Phantom Share Units (PSUs) [Member] Phantom Share Units (PSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period ESPP, maximum percentage of employee salary eligible for participation Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate Share-based Compensation [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Table] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected term (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Granted, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Revenues by Region Schedule of Revenues from External Customers and Long-Lived Assets [Table] Statement, Geographical [Axis] Geographical [Axis] Geographical [Domain] United States and Canada [Member] United States and Canada [Member] United States and Canada [Member] EMEA [Member] EMEA [Member] Other Countries [Member] Other Countries [Member] The combined total of all countries outside of the USA, Canada, and Europe, for the purpose of reporting revenue by region. [Member] Revenues from External Customers [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Total revenues Defined Benefit Plan [Abstract] Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months Defined Benefit Plan, Expected Future Benefit Payment, Year Two Defined Benefit Plan, Expected Future Benefit Payment, Year Two Defined Benefit Plan, Expected Future Benefit Payment, Year Three Defined Benefit Plan, Expected Future Benefit Payment, Year Three Defined Benefit Plan, Expected Future Benefit Payment, Year Four Defined Benefit Plan, Expected Future Benefit Payment, Year Four Defined Benefit Plan, Expected Future Benefit Payment, Year Five Defined Benefit Plan, Expected Future Benefit Payment, Year Five Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Parent [Member] Parent [Member] Accumulated Translation Adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member] Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member] Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments used as a hedge [Member] Accumulated Defined Benefit Plans Adjustment [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period Accumulated Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period Balance Sheet Related Disclosures [Abstract] Certain Balance Sheet Components [Text Block] Supplemental Balance Sheet Disclosures [Text Block] Share Repurchase Plan [Abstract] Share Repurchase Plan [Abstract] Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Depreciation [Abstract] Depreciation expense [Table] Depreciation expense [Table] Depreciation Expense [Table] Depreciation expense [Axis] Depreciation expense [Axis] Depreciation expense [Domain] Depreciation expense [Domain] Depreciation expense [Line Items] Depreciation Expense [Line Items] Depreciation Expense [Line Items] Depreciation expense Depreciation Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year Defined Benefit Plan, Expected Amortization, Next Fiscal Year Defined Benefit Plan, Accumulated Benefit Obligation Defined Benefit Plan, Accumulated Benefit Obligation Schedule of Debt [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Line of Credit [Member] Line of Credit [Member] Long-term Debt, Type [Axis] Term Loans [Domain] Long-term Debt, Type [Domain] Senior Notes [Member] Senior Notes [Member] USD Denominated Term Loan [Member] USD Denominated Term Loan [Member] Secured Debt [Member] Secured Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Loans Payable to Bank Loans Payable to Bank Long-term Line of Credit Long-term Line of Credit Notes Payable Senior Notes Total debt Long-term Debt Current portion of debt Long-term Debt, Current Maturities Debt Issuance Costs, Noncurrent, Net Debt Issuance Costs, Noncurrent, Net Long-term debt Long-term Debt, Excluding Current Maturities Quarterly Results (Unaudited) [Abstract] Quarterly Results (Unaudited) [Abstract] Schedule of Quarterly Financial Information [Table Text Block] Quarterly Financial Information [Table Text Block] Property, Plant and Equipment, Net [Abstract] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Machinery and equipment Machinery and Equipment, Gross Computers and Software, Gross Computers and Software, Gross Amount before depreciation of computers and software. Buildings, furniture, and improvements Buildings, furniture, and improvements Amount before depreciation of building, furniture, and improvements. Land Land Construction in progress, including purchased equipment Construction in Progress, Gross Total cost Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant, and equipment, net Property, Plant and Equipment, Net Defined Benefit Pension Plans [Text Block] Pension and Other Postretirement Benefits Disclosure [Text Block] Accounts Receivable, Net (Parenthetical) [Abstract] Accounts Receivable, Net (Parenthetical) [Abstract] Accounts Receivable, Net [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Receivable Type [Axis] Receivable Type [Axis] Receivable [Domain] Accounts Receivable, Net (Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Allowance Allowance for Doubtful Accounts Receivable, Current Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at January 1, Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Actuarial (gain) loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Defined Benefit Plan, Benefit Obligation, Benefits Paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Foreign currency exchange rate changes Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Benefit obligation at December 31, Fair value of plan assets at January 1, Defined Benefit Plan, Fair Value of Plan Assets Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Company contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Plan Assets, Benefits Paid Defined Benefit Plan, Plan Assets, Benefits Paid Foreign currency exchange rate changes Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Plan Assets, Period Increase (Decrease) Defined Benefit Plan, Plan Assets, Period Increase (Decrease) Fair value of plan assets at December 31, Net pension benefit obligation at fair value Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring and Related Cost, Expected Cost Remaining Restructuring and Related Cost, Expected Cost Remaining Costs incurred and charged to expense Restructuring Reserve, Current Restructuring Reserve, Current Restructuring Reserve, Noncurrent Restructuring Reserve, Noncurrent Cash and Cash Equivalents Table [Abstract] Cash and Cash Equivalents Table [Abstract] Schedule of Cash and Cash Equivalents [Table] Schedule of Cash and Cash Equivalents [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Senior Notes Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Cash and cash equivalents Restricted Cash, Current Restricted Cash, Current Restricted Cash, Noncurrent Restricted Cash, Noncurrent Restricted Cash Equivalents, Noncurrent Restricted Cash Equivalents, Noncurrent Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Defined Benefit Plan Information [Domain] Pension Plan [Member] settlement, gain or loss [Member] settlement, gain or loss [Member] settlement, gain or loss [Member] Curtailment, gain or loss [Member] Curtailment, gain or loss [Member] Curtailment, gain or loss [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Domain] Retirement Plan Funding Status [Domain] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Industry Sector [Axis] Industry Sector [Axis] Industry Sector [Domain] Industry Sector [Domain] Equity Securities by Entity Size [Axis] Equity Securities by Entity Size [Axis] Equity Securities, Entity Size [Domain] Equity Securities, Entity Size [Domain] Equity Securities by Investment Objective [Axis] Equity Securities by Investment Objective [Axis] Equity Securities, Investment Objective [Domain] Equity Securities, Investment Objective [Domain] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Net actuarial (gain) loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Settlement/ curtailment loss Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax OCI, Defined Benefit Plan, Curtailment OCI, Defined Benefit Plan, Curtailment OCI, Defined Benefit Plan, Curtailment Plan asset (gain) loss Other Comprehensive income (loss), plan asset (gain) loss, before tax Pretax change in the value of the plan assets resulting from experience different from that assumed that has not been recognized in net periodic benefit cost. Amortization of net actuarial gain (loss) Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Amortization of prior service cost Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Other Other Amounts Recognized in Other Comprehensive Income, before tax (Gain) Loss recognized in other comprehensive income (but not yet recognized in net periodic benefit cost) arising during the period. Other comprehensive (income) loss Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Projected benefit obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Accumulated benefit obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Fair value of plan assets Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Fair Value of Plan Assets Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Repayments of Long-term Debt [Abstract] Schedule of Long-term Debt Instruments [Table] USD Denominated Term Loan [Member] Repayments of Long-term Debt Business Combination Disclosure [Text Block] Business Combination Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Effect of Foreign Exchange Option and Forward Derivatives in the Income Statement (Table) Derivative Instruments, Gain (Loss) [Table] Interest Rate Cap [Member] Interest Rate Cap [Member] Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Income Statement Location [Axis] Income Statement and Other Comprehensive Income (Loss) Location [Domain] Income Statement Location [Domain] Other Income (Expense) [Member] Other Income (Expense) [Member] Interest Expense [Member] Interest Expense [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments Not Designated as Hedging Instruments [Abstract] Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Income (loss) before income taxes Income (loss) before income taxes [Abstract] Income (loss) before income taxes [Abstract] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Expected federal income tax provision (benefit) Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount Foreign earnings Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Uncertain tax positions, including interest and penalties Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Change in tax rates Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount State income tax provision (benefit), net of federal effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount U.S. tax provision on foreign earnings Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount Domestic production activities deduction Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount Local foreign taxes Income Tax Reconciliation, Local Foreign Taxes The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the application of appropriate local tax rates in foreign jurisdictions. Transaction costs Income Tax Reconciliation, transaction costs Income Tax Reconciliation, transaction costs Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Total provision for income taxes Revenues Gross Profit And Operating Income By Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Revenues By Region [Table Text Block] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] Depreciation And Amortization Expense Associated With Segments [Table Text Block] Depreciation And Amortization Expense Associated With Segments [Table Text Block] Depreciation And Amortization Expense Associated With Segments [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Domain] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock-based awards excluded from diluted EPS calculation (antidilutive) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 3 [Member] Defined Benefit Plan by Plan Asset Categories [Axis] Cash and Cash Equivalents [Member] Cash and Cash Equivalents [Member] Guaranteed Insurance Contract, Type of Benefit [Domain] Guaranteed Insurance Contract, Type of Benefit [Domain] Securities (Assets) [Member] Securities (Assets) [Member] Defined Benefit Plan, Fair Value of Plan Assets Plan costs Other Labor-related Expenses Total Intangible Assets [Abstract] Total Intangible Assets [Abstract] Beginning balance, Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Intangible assets acquired Finite-lived Intangible Assets Acquired Impairment of Intangible Assets, Finite-lived Impairment of Intangible Assets, Finite-lived Effect of change in exchange rates Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss) Ending balance, Finite-Lived Intangible Assets, Gross Accounts Receivable, Net [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Allowance for Credit Losses on Financing Receivables [Table Text Block] Inventories [Table Text Block] Schedule of Inventory, Current [Table Text Block] Property, Plant, and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Depreciation Expense [Table Text Block] Depreciation Expense [Table Text Block] Summary of Depreciation Expense [Table Text Block] Inventory, Net [Abstract] Inventory, Current [Table] Inventory, Current [Table] Inventory [Axis] Inventory [Axis] Inventory [Domain] Inventory [Domain] Inventory [Line Items] Inventory [Line Items] Inventory, Raw Materials, Net of Reserves Inventory, Raw Materials, Net of Reserves Inventory, Work in Process, Net of Reserves Inventory, Work in Process, Net of Reserves Inventory, Finished Goods, Net of Reserves Inventory, Finished Goods, Net of Reserves Total inventories Inventory, Net Statement of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Net unrealized gain (loss) on derivative instruments designated as cash flow hedges Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Pension benefit obligation adjustment Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Total comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) attributable to noncontrolling interest, net of tax: Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income (loss) attributable to Itron, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Tax Credit Carryforward, Name [Domain] Deferred Tax Asset [Domain] Other adjustments [Member] other adjustments [Member] other adjustments [Member] Additions Charged to Costs and Expenses [Member] Additions Charged to Costs and Expenses [Member] Additions Charged to Costs and Expenses [Member] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Valuation Allowance of Deferred Tax Assets [Member] Valuation Allowance of Deferred Tax Assets [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Deferred Tax Assets, Valuation Allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] Fair Values of Financial Instruments [Text Block] Fair Value Disclosures [Text Block] Defined Contribution, Bonus, and Profit Sharing [Abstract] Defined Contribution, Bonus, and Profit Sharing [Abstract] Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Defined Contribution, by Nature [Axis] Defined Contribution, by Nature [Axis] Defined Contribution, by Nature [Axis] Defined Contribution, by Nature [Domain] Defined Contribution, by Nature [Domain] [Domain] for Defined Contribution, by Nature [Axis] Employer Match Percentage [Member] Employer Match Percentage [Member] Employer Match Percentage [Member] Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Relationship to Entity [Domain] Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Percentage of employer match into employee savings plan. Percentage of employer match into employee savings plan. Percentage of employer match into employee savings plan. Employer Matching Contribution, Percent of Employees' Gross Pay Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Accounts receivable, net Receivables, Net, Current Inventories Other current assets Other Assets, Current Total current assets Assets, Current Property, plant, and equipment, net Deferred tax assets, net Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other long-term assets Other Assets, Noncurrent Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Goodwill Goodwill Total assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Liabilities, Current [Abstract] Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Other current liabilities Other Liabilities, Current Wages and benefits payable Employee-related Liabilities, Current Taxes payable Taxes Payable, Current Current portion of warranty Standard Product Warranty Accrual, Current Unearned revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Long-term warranty Standard Product Warranty Accrual, Noncurrent Pension benefit obligation Liability, Defined Benefit Pension Plan, Noncurrent Deferred tax liabilities, net Deferred Tax Liabilities, Net, Noncurrent Other long-term obligations Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 12) Commitments and Contingencies Equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, no par value, 10 million shares authorized, no shares issued or outstanding Preferred Stock, Value, Issued Common stock, no par value, 75 million shares authorized, 38,771 and 38,317 shares issued and outstanding Common Stock, Value, Issued Accumulated other comprehensive loss, net Accumulated deficit Retained Earnings (Accumulated Deficit) Total Itron, Inc. shareholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Statement of Stockholders' Equity [Abstract] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09 [Member] Statement, Equity Components [Axis] Total Equity [Domain] Common Stock [Member] Common Stock Including Additional Paid in Capital [Member] Common Stock Including Additional Paid in Capital [Member] AOCI Attributable to Parent [Member] Retained Earnings (Accumulated Deficit) [Member] Retained Earnings [Member] Total Itron Inc. Shareholders' Equity [Member] Noncontrolling Interests [Member] Noncontrolling Interest [Member] Balance (shares) Common Stock, Shares, Outstanding Balance (value) Cumulative Effect of New Accounting Principle in Period of Adoption Cumulative Effect of New Accounting Principle in Period of Adoption Other comprehensive income (loss), net of tax Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Options exercised (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options exercised (value) Stock Issued, Value, Stock Options Exercised, Net of Tax Benefit (Expense) Restricted stock awards released (shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Restricted stock awards released (value) Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of stock-based compensation awards (shares) Stock Issued During Period, Shares, Share-based Compensation, Gross Issuance of stock-based compensation awards (value) Stock Issued During Period, Value, Share-based Compensation, Gross Employee stock purchase plan (shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Employee stock purchase plan (value) Stock Issued During Period, Value, Employee Stock Purchase Plan Stock-based compensation expense Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Excess tax benefits from employee stock plans Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation Repurchase of common stock (shares) Repurchase of common stock (value) Stock Repurchased During Period, Value Balance (shares) Balance (value) Subsequent Event [Table] Subsequent Event [Table] Interest Rate, Type [Axis] Interest Rate, Type [Axis] Interest Rate, Type [Axis] Interest Rate, Type [Domain] Interest Rate, Type [Domain] Interest Rate, Type [Domain] London Interbank Offered Rate (LIBOR) [Member] London Interbank Offered Rate (LIBOR) [Member] EURIBOR [Member] EURIBOR [Member] EURIBOR Euro Interbank Offered Rate [Member] Alternate base rate (3) [Member] Alternate base rate (3) [Member] The third of three alternate base rates under a credit facility agreement. Alternate base rate (1) [Member] Alternate base rate (1) [Member] The first of three alternate base rates under a credit facility agreement. Alternate base rate (2) [Member] Alternate base rate (2) [Member] The second of three alternate base rates under a credit facility agreement. Standby Letters of Credit [Member] Standby Letters of Credit [Member] Revolving Credit Facility [Member] Revolving Credit Facility [Member] 2018 Credit Facility [Member] 2018 Credit Facility [Member] 2018 Credit Facility [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Business Acquisition, Name of Acquired Entity Business Acquisition, Name of Acquired Entity Business Acquisition, Share Price Business Acquisition, Share Price Business Combination, Consideration Transferred Business Combination, Consideration Transferred Business Combination, Acquisition Related Costs Business Combination, Acquisition Related Costs Debt Instrument, Face Amount Debt Instrument, Face Amount Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Debt Instrument, Collateral Debt Instrument, Collateral Debt Instrument, Description of Variable Rate Basis Debt Instrument, Description of Variable Rate Basis Restructuring and Related Cost, Expected Cost Restructuring and Related Cost, Expected Cost Restructuring Percent Facility Close Restructuring Percent Facility Close Restructuring Percent Facility Close Restructuring Percent Severance Close Restructuring Percent Severance Close Restructuring Percent Severance Close Restructuring Percent Cash Restructuring Percent Cash Restructuring Percent Cash Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Interest Rate, Effective Percentage Debt Instrument, Interest Rate, Effective Percentage Compensation and Employee Benefit Plans [Text Block] Compensation and Employee Benefit Plans [Text Block] Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Plan Assets in Other Long Term Assets Assets for Plan Benefits, Defined Benefit Plan Current Portion of Pension Plan Liability in Wages and Benefits Payable Liability, Defined Benefit Pension Plan, Current Long-term portion of pension plan liability Net Pension Plan Benefit Liability Consolidated Balance Sheet Parenthetical [Abstract] Consolidated Balance Sheet Parenthetical [Abstract] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock, Number of Shares, Par Value and Other Disclosures Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common stock, par value Common Stock, No Par Value Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Preferred Stock, Number of Shares, Par Value and Other Disclosures Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Preferred stock, par value Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Percentage of Benefit Plans Denominated in Euro [Domain] Percentage of Benefit Plans Denominated in Euro [Domain] Percentage of Benefit Plans Denominated in Euro [Domain] Shorter duration euro denominated defined benefit plans [Member] Shorter duration euro denominated defined benefit plans [Member] Shorter duration euro denominated defined benefit plans [Member] Longer duration euro denominated defined benefit plans [Member] Longer duration euro denominated defined benefit plans [Member] Longer duration euro denominated defined benefit plans [Member] [Member] Defined Benefit Obligations [Member] Defined Benefit Obligations [Member] Defined Benefit Obligations [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Actuarial (gain) loss Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Defined Benefit Plan, Change in Discount Rate Defined Benefit Plan, Change in Discount Rate Defined Benefit Plan, Change in Discount Rate assumption used to determine the benefit obligation Defined Benefit Plan, Assumptions Used in Calculation, Description Defined Benefit Plan, Assumptions Used in Calculation, Description Percentage of benefit plans denominated in euro Retirement Benefits, Description Schedule of Debt [Table Text Block] Schedule of Debt [Table Text Block] Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Long-Term Debt Repayments [Table Text Block] Schedule of Long-Term Debt Repayments [Table Text Block] Schedule of long-term debt repayments made during the reporting periods presented. Schedule of Changes in Benefit Obligation and Fair Value of Plan Assets [Table Text Block] Schedule of Changes in Benefit Obligation and Fair Value of Plan Assets [Table Text Block] Tabular disclosure of the change in the benefit obligation of pension plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. [Table Text Block] Schedule of Amounts Recognized in the Consolidated Balance Sheets [Table Text Block] Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Schedule of Net Periodic Pension Benefit Costs [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Schedule of Assumptions Used [Table Text Block] Schedule of Assumptions Used [Table Text Block] Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] Fair values of the assets held by the postretirement benefits plans by asset category [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Income Tax (Provision) Benefit Related To OCI [Table Text Block] Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Domain] Deferred Revenue [Domain] Extended Warranty [Member] Extended Warranty [Member] Extended Warranty [Member] Legal Entity [Axis] Entity [Domain] Beginning balance Deferred Revenue Unearned revenue for new extended warranties Deferred Revenue, Additions Unearned revenue recognized Deferred Revenue, Revenue Recognized Effect of change in exchange rates Deferred Revenue, Currency Translation Increase (Decrease) Total increase or decrease in the deferred revenue liability due to currency translation. Ending balance Less: current portion of unearned revenue for extended warranty Long-term unearned revenue for extended warranty within Other long-term obligations Deferred Revenue, Noncurrent Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] Defined contribution plans expense Defined Contribution Plan, Cost Deferred Revenue [Abstract] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Unearned revenue Deferred costs Deferred Costs Ownership Interest Percentage [Abstract] Ownership Interest Percentage [Abstract] Basis of Consolidation [Table] Basis of Consolidation [Table] Basis of consolidation ownership interest policy [Table] Ownership Interest to be Held for Consolidation [Line Items] Ownership Interest to be Held for Consolidation [Line Items] Ownership Interest to be Held for Consolidation [Line Items] Basis of Consolidation [Abstract] Basis of Consolidation [Abstract] Basis of Consolidation [Abstract] Ownership Interest to be Held for Consolidation Ownership Interest to be Held for Consolidation Ownership Interest to be Held for Consolidation Ownership Interest To Use Equity Method Ownership Interest To Use Equity Method The equity method of accounting is used for entities in which the company has a 50% or less invesment and exercises significant influence. Ownership Interest To Use Cost Method Ownership Interest To Use Cost Method Entities in which the company has less than 20% investment and where they do not excercise significant influence are accounted for under the cost method. Noncontrolling Interests [Abstract] Noncontrolling Interest [Abstract] Ownership Interest to be Held for Consolidation Foreign Currency [Abstract] Foreign Currency Transaction Gain (Loss), Realized Foreign Currency Transaction Gain (Loss), Realized Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Derivatives, Fair Value, by Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Noncurrent Assets [Member] Other Noncurrent Assets [Member] Other Current Assets [Member] Other Current Liabilities [Member] Interest Rate Swap [Member] Interest Rate Swap [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Interest Rate Derivative Assets, at Fair Value Interest Rate Derivative Assets, at Fair Value Interest Rate Cash Flow Hedge Asset at Fair Value Interest Rate Cash Flow Hedge Asset at Fair Value Interest Rate Derivative Liabilities, at Fair Value Interest Rate Derivative Liabilities, at Fair Value Asset Derivatives [Abstract] Derivative Asset [Abstract] Foreign exchange forward contracts Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value Derivative Asset Derivative Asset Liability Derivatives [Abstract] Derivative Liability [Abstract] Foreign exchange forward contracts Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Cash and Cash Equivalents [Abstract] Restrictions on Cash and Cash Equivalents [Table Text Block] Restrictions on Cash and Cash Equivalents [Table Text Block] Fair Value Disclosures [Abstract] Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping [Table Text Block] Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Inputs, Level 3 [Member] Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchases, Sales, and Settlements Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchases, Sales, and Settlements Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Net income available to common shareholders Weighted average common shares outstanding - Basic Dilutive effect of stock-based awards Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average common shares outstanding - Diluted Restructuring Project [Table] Restructuring Project [Table] Restructuring Project [Table] 2016 Projects [Member] 2016 Projects [Member] 2016 Projects [Member] Restructuring Project [Line Items] Restructuring Project [Line Items] [Line Items] for Restructuring Project [Table] Restructuring and Related Costs [Table Text Block] Restructuring and Related Costs [Table Text Block] Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Tax Cuts and Jobs Act [Domain] Tax Cuts and Jobs Act [Domain] Tax Cuts and Jobs Act [Domain] U.S. federal Internal Revenue Service (IRS) [Member] Deferred Tax Liability Not Recognized (1) [Axis] Deferred Tax Liability Not Recognized (1) [Axis] Information by deferred tax liability has not been recognized. Deferred Tax Liability Not Recognized (1) [Domain] Deferred Tax Liability Not Recognized (1) [Domain] [Domain] for Information by deferred tax liability has not been recognized. Undistributed Earnings of Foreign Subsidiaries and Foreign Corporate Joint Ventures [Member] Undistributed Earnings of Foreign Subsidiaries and Foreign Corporate Joint Ventures [Member] An excess of the amount for financial reporting over the tax basis of investments in foreign subsidiaries and foreign corporate joint ventures that is essentially permanent in duration. This includes undistributed earnings of foreign subsidiaries and foreign corporate joint ventures. Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Excess tax benefits from employee stock plan exercises Excess tax benefits from employee stock plan exercises The amount of gross income tax return deduction for employee stock plan exercises in excess of the compensation cost recorded for those instruments recognized for financial reporting purposes, which is available as of the balance sheet date to reduce future cash taxes payable and increase our common stock by amount of the tax effect of this gross deduction amount. Tax effect of excess benefits from employee stock plan exercises, which will increase our common stock when it reduces our cash taxes payable, and which is not recognized in our deferred tax assets Tax effect of excess benefits from employee stock plan exercises, which will increase our common stock when it reduces our cash taxes payable, and which is not recognized in our deferred tax assets Tax benefit associated with employee stock plan exercises, which is not recognized as a part of deferred tax assets as of the balance sheet date, and which will increase the common stock balance when such tax benefit reduces cash taxes payable. The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Undistributed Earnings of Foreign Subsidiaries Undistributed Earnings of Foreign Subsidiaries Tax Adjustments, Settlements, and Unusual Provisions Tax Adjustments, Settlements, and Unusual Provisions Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Deferred Tax Assets, Net of Valuation Allowance Long-term Purchase Commitment [Table] Long-term Purchase Commitment by Category of Item Purchased [Axis] Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] Rental expense Operating Leases, Rent Expense General Discussion of Derivative Instruments and Hedging Activities [Abstract] Derivative Financial Instruments [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Surety Bond [Member] Surety Bond [Member] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Credit Facility [Member] Credit Facility dated in August 2011, consisting of a $300 million U.S. dollar term loan and a multicurrency revolving line of credit with a principal amount of up to $660 million. Unsecured Multicurrency Revolving Lines of Credit [Member] Unsecured multicurrency revolving lines of credit with various financial institutions.[Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Multicurrency revolving line of credit Long-term borrowings Standby LOCs issued and outstanding Letters of Credit Outstanding, Amount Short-term borrowings(2) Short-term Debt Net available for additional borrowings and LOCs Line of Credit Facility, Remaining Borrowing Capacity Unsecured surety bonds in force Guarantor Obligations, Current Carrying Value Unrecognized tax benefits, beginning of period Unrecognized Tax Benefits Gross increase to positions in prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Gross decrease to positions in prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Gross increases to current period tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Audit settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Decrease related to lapsing of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Effect of change in exchange rates Effect of Change in Exchange Rates Unrecognized Tax Benefit Effect of Change in Exchange Rates Unrecognized Tax Benefit Unrecognized tax benefits, end of period The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Net interest and penalties expense (benefit) Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Accrued interest Unrecognized Tax Benefits, Interest on Income Taxes Accrued Accrued penalties Unrecognized Tax Benefits, Income Tax Penalties Accrued Computation of Basic and Diluted Earnings Per Share [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Summary of the Allowance for Doubtful Accounts Activity [Abstract] Summary of the Allowance for Doubtful Accounts Activity [Abstract] Summary of the Allowance for Doubtful Accounts Activity [Table] Summary of the Allowance for Doubtful Accounts Activity [Axis] Summary of Allowance for Doubtful Accounts Activity [Domain] Summary of Allowance for Doubtful Accounts Activity [Line Items] Allowance for Doubtful Accounts Receivable Allowance for Doubtful Accounts Receivable Provision for Doubtful Accounts Provision for Doubtful Accounts Allowance for Doubtful Accounts Receivable, Write-offs Allowance for Doubtful Accounts Receivable, Write-offs Effects of change in exchange rates EffectsOfChangeInExchangeRates The increase (decrease) in the allowance for doubtful accounts receivable due to the effect of exchange rate changes on balances held in foreign currencies. Derivative Financial Instruments [Abstract] Derivative Financial Instruments [Abstract] Effect of Cash Flow Derivatives on the Balance Sheet and Income Statement, Before Tax [Table] Interest Rate Swap Contracts [Abstract] Interest Rate Derivatives [Abstract] Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion) Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) Loss Reclassified from AOCI into Income (Effective Portion) Loss Recognized in Income on Derivative (Ineffective Portion) Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Basis of Accounting, Policy [Policy Text Block] Basis of Accounting, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Basis of Consolidation [Policy Text Block] Consolidation, Policy [Policy Text Block] Noncontrolling Interest Disclosure [Text Block] Noncontrolling Interest Disclosure [Text Block] Cash and Cash Equivalents [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Accounts Receivable and Allowance for Doubtful Accounts [Policy Text Block] Receivables, Policy [Policy Text Block] Inventories [Policy Text Block] Inventory, Policy [Policy Text Block] Derivative Instruments [Policy Text Block] Derivatives, Policy [Policy Text Block] Property, Plant, and Equipment [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Prepaid Debt Fees [Policy Text Block] Prepaid Debt Fees [Policy Text Block] 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] Business Combinations [Policy Text Block] Business Combinations Policy [Policy Text Block] Goodwill and Intangible Assets [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Contingencies [Policy Text Block] Commitments and Contingencies, Policy [Policy Text Block] Compensation Related Costs, Policy [Policy Text Block] Compensation Related Costs, Policy [Policy Text Block] Warranty [Policy Text Block] Warranty [Policy Text Block] Disclosure of accounting policy for all warranty types including the methodology for measuring the liability. [Policy Text Block] Costs Associated with Exit or Disposal Activity or Restructuring [Policy Text Block] Costs Associated with Exit or Disposal Activity or Restructuring [Policy Text Block] Defined Benefit Pension Plans [Policy Text Block] Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block] Share Repurchase Policy [Policy Text Block] Share Repurchase Policy [Policy Text Block] 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] Revenue Recognition, Sales of Services [Policy Text Block] Revenue Recognition, Sales of Services [Policy Text Block] Revenue Recognition [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Product and Software Development Costs [Policy Text Block] Research, Development, and Computer Software, Policy [Policy Text Block] Stock-based Compensation [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Foreign Exchange [Policy Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] Fair Value Measurement [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] New Accounting Pronouncements [Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Intangible Assets [Table] Customer contracts and relationships [Member] Customer Relationships [Member] Other [Member] Other Intangible Assets [Member] Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Domain] Reporting Unit [Domain] Reporting Unit [Domain] Electricity Reporting Unit [Member] Electricity Reporting Unit [Member] Electricity Reporting Unit [Member] Gas Reporting Unit [Member] Gas Reporting Unit [Member] Gas Reporting Unit [Member] Elimination of Acquisition Related Expenses [Member] Elimination of Acquisition Related Expenses [Member] Elimination of Acquisition Related Expenses [Member] Elimination of Acquisition Related Expenses [Member] Business Combination, Consideration Transferred, Other Business Combination, Consideration Transferred, Other Percentage of SmartSynch Voting Interests Acquired Business Acquisition, Percentage of Voting Interests Acquired SmartSynch acquisition purchase price, net of cash acquired Payments to Acquire Businesses, Gross Cash Acquired from Acquisition Cash Acquired from Acquisition Estimated cost to complete IPR&D projects Estimated cost to complete in process research and development projects Estimated cost to complete in process research and development (IPR&D) projects Acquired IPR&D Projects, Upon Completion, Expected Weighted Average Useful Life Acquired In Process Research and Development Projects, Upon Completion, Expected Weighted Average Useful Life Acquired IPR&D Projects, Upon Completion, Expected Weighted Average Useful Life Acquisition related costs Significant non-recurring pro forma adjustments, net of estiamted tax Significant non-recurring pro forma adjustments, net of estimated tax The amount of significant non-recurring pro forma adjustments, net of estimated tax, eliminated from the combined results of the acquirer and acquiree in a business combination during the period for which pro forma information is presented. Income Tax Examination [Table] Income Tax Examination [Table] FRANCE GERMANY BRAZIL UNITED KINGDOM ITALY ITALY Income Tax Examination [Line Items] Income Tax Examination [Line Items] Earliest year subject to examination by major tax jurisdiction Open Tax Year Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Expected to Vest [Member] Expected to Vest [Member] Shares not vested, but expected to vest. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Outstanding, beginning balance, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted, Weighted-average grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Outstanding, ending balance, Number Deferred Compensation Share-based Arrangements, Liability, Current Deferred Compensation Share-based Arrangements, Liability, Current Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Stock options Stock or Unit Option Plan Expense Restricted stock units Restricted Stock or Unit Expense Unrestricted stock awards Unrestricted Stock Awards Compensation Expense The noncash expense that represents the cost of unrestricted stock distributed to board of directors as a portion of their compensation. Phantom stock units Allocated Share-based Compensation Expense Total stock-based compensation Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost Related tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Expected annual rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Expected rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Expected annual rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Stock Incentive Plan [Member] Stock Incentive Plan [Member] 2010 Stock Incentive Plan, which consists of stock options, restricted stock units, and unrestricted stock awards. Long Term Performance Restricted Stock Award [Member] Restricted stock awards related to the Long Term Performance Plan (LTPP), which may only become eligible for vesting based upon satisfaction of certain performance condition(s), market condition(s), and/or required service periods. [Line Items] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Number of shares authorized for issuance under the Stock Incentive Plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares available for future grant under the Stock Incentive Plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Reduction in stock options available for issue Authorized share reserve reduction in stock options or share appreciation rights available for issue, conversion ratio The Stock Incentive Plan shares are subject to a fungible share provision such that, with respect to grants made after December 31, 2009, the authorized share reserve is reduced by (i) one share for every one share subject to a stock option or share appreciation right granted under the Plan. Authorized share reserve reduction in awards other than stock options or share appreciation rights available for issue, conversion ratio Authorized share reserve reduction in awards other than stock options or share appreciation rights available for issue, conversion ratio The Stock Incentive Plan shares are subject to a fungible share provide such that, with respect to grants made after December 31, 2009, the authorized share reserve is reduced by (ii) 1.7 shares for every one share of common stock that was subject to an award other than an option or stock appreciation right. Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized compensation expense, Expected weighted average period for recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Stock Options Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Performance Condition Vesting Range, Lower Range Limit Share-based Compensation Arrangement by Share-based Payment Award, Performance Condition Vesting Range, Lower Range Limit For awards with a performance condition that results in a variable percentage of shares being earned, relative to the number of awards originally granted, the lower range limit of the variable percentage range. Share-based Compensation Arrangement by Share-based Payment Award, Performance Condition Vesting Range, Upper Range Limit Share-based Compensation Arrangement by Share-based Payment Award, Performance Condition Vesting Range, Upper Range Limit For awards with a performance condition that results in a variable percentage of shares being earned, relative to the number of awards originally granted, the upper range limit of the variable percentage range. Share-based Compensation Arrangement by Share-based Payment Award, Market Condition Multiplier, Upper Range Limit Share-based Compensation Arrangement by Share-based Payment Award, Market Condition Multiplier, Upper Range Limit For a multiplier payout feature, which provides for the multiplication of shares earned by a percentage factor as the result of achievement against a market condition, the upper range limit of the multiplier, in percentage terms. Share-based Compensation Arrangement by Share-based Payment Award, Possible Total Percentage of Shares Vested, Lower Range Limit Share-based Compensation Arrangement by Share-based Payment Award, Possible Total Percentage of Shares Vested, Lower Range Limit For awards whereby a variable percentage of shares will ultimately vest, relative to the number of awards originally granted, based upon the combination of multiple performance or market conditions, the lower range limit of the total variable percentage range. Share-based Compensation Arrangement by Share-based Payment Award, Possible Total Percentage of Shares Vested, Upper Range Limit Share-based Compensation Arrangement by Share-based Payment Award, Possible Total Percentage of Shares Vested, Upper Range Limit For awards whereby a variable percentage of shares will ultimately vest, relative to the number of awards originally granted, based upon the combination of multiple performance or market conditions, the upper range limit of the total variable percentage range. Share-based Compensation Arrangement by Share-based Payment Award, Description Share-based Compensation Arrangement by Share-based Payment Award, Description Award vesting rights Share-based Compensation Arrangement by Share-based Payment Award, Market Condition Multiplier, Lower Range Limit Share-based Compensation Arrangement by Share-based Payment Award, Market Condition Multiplier, Lower Range Limit For a multiplier payout feature, which provides for the multiplication of shares earned by a percentage factor as the result of achievement against a market condition, the lower range limit of the multiplier, in percentage terms. Beginning balance Standard and Extended Product Warranty Accrual New product warranties Standard Product Warranty Accrual, Increase for Warranties Issued Other adjustments and expirations Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Claims activity Standard and Extended Product Warranty Accrual, Decrease for Payments Effect of change in exchange rates Standard Product Warranty Accrual, Foreign Currency Translation Gain (Loss) Ending balance Less: current portion of warranty Product Warranty Accrual, Current Long-term warranty Product Warranty Accrual, Noncurrent Warranty Expense Warranty Expense The expense (credit) charged against earnings for the period pertaining to warranties on the entity's goods and services granted to customers. Stock-Based Compensation Expense and Related Tax Benefit [Table Text Block] Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Employee Stock Options Activity [Table Text Block] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Restricted Stock Units Award Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Restricted Stock Units, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Restricted Stock Units, Valuation Assumptions [Table Text Block] Tabular disclosure of the significant assumptions used during the year to estimate the fair value of restricted stock units, including, but not limited to: (a) expected term of stock units, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Schedule of Other Share-based Compensation, Activity [Table Text Block] Schedule of Other Share-based Compensation, Activity [Table Text Block] Schedule of Intangible Assets [Abstract] Schedule of Intangible Assets [Abstract] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] SummaryOfIntangibleAssetAccountActivity [Table Text Block] SummaryOfIntangibleAssetAccountActivity [Table Text Block] Summary schedule of intangible asset activity for the period (Table Text Block). Finite-lived Intangible Assets Amortization Expense [Table Text Block] Finite-lived Intangible Assets Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Long-term Debt, Fiscal Year Maturity [Abstract] 2018 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2019 Long-term Debt, Maturities, Repayments of Principal in Year Two 2020 Long-term Debt, Maturities, Repayments of Principal in Year Three 2021 Long-term Debt, Maturities, Repayments of Principal in Year Four 2022 Long-term Debt, Maturities, Repayments of Principal in Year Five Total minimum payments on debt Document Information [Abstract] Document Information [Abstract] Entities [Table] Entities [Table] Legal Entity [Axis] Entity [Domain] Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Goodwill Disclosure [Text Block] Goodwill Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes [Text Block] Income Tax Disclosure [Text Block] Expected Return on Plan Assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of actuarial net (gains) loss Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Defined Benefit Plan, Other Cost (Credit) Defined Benefit Plan, Other Cost (Credit) Net Periodic Benefit Cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Change in Estimates [Abstract] Change in Estimates [Abstract] Insurance Recovery, net of tax [Member] Insurance Recovery, net of tax [Member] Insurance Recovery, net of tax [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales [Member] Sales [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Customers purchasing certain communication modules manufactured between July 2013 and December 2014 [Domain] Customers purchasing certain communication modules manufactured between July 2013 and December 2014 [Domain] Customers purchasing certain communication modules manufactured between July 2013 and December 2014 [Domain] OpenWay project in North America [Member] OpenWay project in North America [Member] OpenWay project in North America [Member] Customer A [Member] Customer A [Member] 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). Customer B [Member] Customer B [Member] 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). Customer C [Member] Customer C [Member] Customer C [Member] Customer C, for the given filing. This member is exclusive of previous filings (that is, this customer C is not necessarily the same customer C as in previous filings). Threshold for Reporting Customer Concentration [Member] Threshold for Reporting Customer Concentration [Member] 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. Electricity Operating Segment [Member] Electricity Operating Segment [Member] Electricity Operating Segment Water Operating Segment [Member] Water Operating Segment [Member] Water Operating Segment [Member] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Warranty Obligations [Member] Warranty Obligations [Member] Contracts Accounted for under Percentage of Completion [Member] Contracts Accounted for under Percentage of Completion [Member] Percentage of total company revenue represented by one customer Concentration Risk, Percentage Warranty charge Warranty charge This tag represents specific cases of warranty charges (adjustments) disclosed. This is a subset of the tag itri_WarrantyChangesAndAdjustments, which is defined as "Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting product warranties (including adjustments for changes in estimates)." Gross Profit Unusual or Infrequent Item, or Both, Insurance Proceeds Unusual or Infrequent Item, or Both, Insurance Proceeds Number of Operating Segments Number of Operating Segments Schedule of Property, Plant, and Equipment by Location Geographical [Domain] UNITED STATES [Member] Outside United States [Member] Outside United States [Member] Outside United States [Member] Schedule of Property, Plant, and Equipment by Location New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Balance Sheet Location [Axis] Retained Earnings [Member] Common Stock [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Restricted Cash Restricted Cash Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Accumulated OCI for Derivative and Nonderivative Instruments Designated as Hedging Instruments, Net of Tax [Table Text Block] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Offsetting Assets [Table Text Block] Offsetting Assets [Table Text Block] Offsetting Liabilities [Table Text Block] Offsetting Liabilities [Table Text Block] Derivative Instruments, Gain (Loss) [Table Text Block] Derivative Instruments, Gain (Loss) [Table Text Block] Foreign Exchange Derivatives Not Designated As Hedging Instruments [Table Text Block] Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current Current Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred Deferred Income Tax Expense (Benefit) Change in valuation allowance Schedule of Costs of Retirement Plans [Table Text Block] Schedule of Costs of Retirement Plans [Table Text Block] Schedule of Bonus and Profit Sharing Expenses [Table Text Block] Schedule of Bonus and Profit Sharing Plans and Award Expense [Table Text Block] [Table Text Block] Schedule of Bonus and Profit Sharing Plans and Award Expense [Table Text Block] [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period One [Member] Debt Instrument, Redemption, Period One [Member] Debt Instrument, Redemption, Period Two [Member] Debt Instrument, Redemption, Period Two [Member] Debt Instrument, Redemption, Period Three [Member] Debt Instrument, Redemption, Period Three [Member] Debt Instrument, Redemption, Period Four [Member] Debt Instrument, Redemption, Period Four [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Debt Instrument, Redemption Price, Percentage Debt Instrument, Redemption Price, Percentage Debt Instrument, Redemption, Description Debt Instrument, Redemption, Description Gas Operating Segment [Member] Gas Operating Segment [Member] Gas Operating Segment [Member] Corporate, Non-Segment [Member] Corporate, Non-Segment [Member] Revenues Operating Income (Loss) Property, Plant, and Equipment Policy Additional Information [Abstract] Property, Plant, and Equipment Policy Additional Information [Abstract] Property, Plant and Equipment by Type [Axis] Property, Plant and Equipment, Type [Domain] Building and Building Improvements [Member] Building and Building Improvements [Member] Machinery and Equipment, Computers and Software, and Furniture [Member] Machinery and Equipment, Computers and Software, and Furniture [Member] Machinery and equipment, computers and software, and furniture [Member] Property, Plant and Equipment, Useful Life, Average Property, Plant and Equipment, Useful Life Intangible Assets, Net (Excluding Goodwill) [Abstract] Intangible Assets [Text Block] Intangible Assets Disclosure [Text Block] Vested and Released [Member] Vested and Released [Member] Vested and Released [Member] Vested but Not Released [Member] Vested but Not Released [Member] Vested but not released due to contractual agreement or statutory requirement. Long Term Performance Restricted Stock Award [Member] [Line Items] Outstanding, Weighted Average Grant Date Fair Value Issued, Number Released, Weighted Average Grant Date Fair Value Released, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Forfeited, Number Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Forfeitures, Weighted Average Grant Date Fair Value Expected to vest, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Outstanding, beginning balance, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding, beginning balance, Weighted Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding, beginning balance, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Granted, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted, Weighted Average Exercise Price Per Share Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised, Number Exercised, Weighted Average Exercise Price Per Share Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Forfeited, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Forfeited, Weighted Average Exercise Price Per Share Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Expired, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Expired, Weighted Average Exercise Price Per Share Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Outstanding, ending balance, Number Outstanding, ending balance, Weighted Average Exercise Price Per Share Outstanding, ending balance, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding, ending balance, Aggregate Intrinsic Value Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable, Weighted Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Exercisable, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Goodwill and Intangible Assets Disclosure [Abstract] Net actuarial loss Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Net prior service cost Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Amount included in accumulated other comprehensive income Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Stock-Based Compensation [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] IBNR accrual Liability for Claims and Claims Adjustment Expense Credit Facility Additional Information [Abstract] Credit Facility Additional Information [Abstract] Subordinated Borrowing, Name [Domain] Scheduled Quarterly Repayments September 2015 through June 2017 [Domain] Scheduled Quarterly Repayments September 2015 through June 2017 [Domain] Scheduled Quarterly Repayments September 2015 through June 2017 [Domain] Scheduled Quarterly Repayments September 2017 through June 2018 [Domain] Scheduled Quarterly Repayments September 2017 through June 2018 [Domain] Scheduled Quarterly Repayments September 2017 through June 2018 [Domain] [Domain] Scheduled Quarterly Repayments September 2018 through March 2020 [Domain] Scheduled Quarterly Repayments September 2018 through March 2020 [Domain] Scheduled Quarterly Repayments September 2018 through March 2020 [Domain] Repayments of Secured Debt Repayments of Secured Debt Debt Instrument, Interest Rate at Period End Multicurrency revolving line of credit Letters of Credit Outstanding, Amount Quarterly Financial Information [Text Block] Quarterly Financial Information [Text Block] Quarterly Results (Unaudited) [Table] Quarterly Results (Unaudited) [Table] Quarterly Results (Unaudited) [Table] Quarterly Results [Line Items] Quarterly Results [Line Items] Quarterly Results [Line Items] Unusual or Infrequent Item, or Both, Earnings Per Share Impact, Net Unusual or Infrequent Item, or Both, Earnings Per Share Impact, Net Net Income (Loss) Attributable to Parent Quarterly Financial Information, Quarterly Charges and Credits, Amount Affecting Comparability Quarterly Financial Information, Quarterly Charges and Credits, Amount Affecting Comparability Commitments and Contingencies [Text Block] Commitments and Contingencies Disclosure [Text Block] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance [Member] Employee Severance [Member] Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member] Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member] Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member] Other Restructuring [Member] Other Restructuring [Member] 2014 Project [Member] 2014 Project [Member] 2014 Project [Member] Goodwill beginning balance Effect of change in exchange rates Goodwill, Foreign Currency Translation Gain (Loss) Goodwill before impairment Goodwill, Gross Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Goodwill ending balance Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Reported Value Measurement [Member] Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Assets Cash and cash equivalents, at fair value Cash and Cash Equivalents, Fair Value Disclosure Derivative Asset, Noncurrent Derivative Asset, Noncurrent Liabilities Liabilities [Abstract] Term loans Secured Debt Term loans, at fair value Long-term Debt, Fair Value Multicurrency revolving line of credit, Fair Value of Amount Outstanding Line of Credit Facility, Fair Value of Amount Outstanding Interest rate swaps, at fair value Foreign exchange forwards, liability, at fair value Derivative [Table] Derivative [Table] Forward Contracts [Member] Forward Contracts [Member] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Derivative Activity Volume Type [Axis] Derivative Activity Volume Type [Axis] Derivative Activity Volume Type [Axis] Derivative Activity Volume Type [Domain] Derivative Activity Volume Type [Domain] [Domain] for Derivative Activity Volume Type [Axis] Number of Counterparties [Member] Number of Counterparties [Member] Number of Counterparties [Member] Derivative [Line Items] Derivative [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax Number of Interest Rate Derivatives Held Number of Interest Rate Derivatives Held Description of Derivative Activity Volume Description of Derivative Activity Volume Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Derivative, Cap Interest Rate Derivative, Cap Interest Rate Derivative, Notional Amount Derivative, Notional Amount Derivative, Number of Instruments Held Derivative, Number of Instruments Held Derivative Purchase Price Derivative Purchase Price Derivative Purchase Price Derivative, Fixed Interest Rate Derivative, Fixed Interest Rate Revenues Net income (loss) Effect of Net Investment Hedge Nonderivative on the Balance Sheet and Income Statement (Table) Accumulated Net Gain (Loss) from Derivative and Nonderivative Instruments Designated as Hedging Instruments [Member] Accumulated Net Gain (Loss) from Derivative and Nonderivative Instruments Designated as Hedging Instruments [Member] Changes to accumulated comprehensive income resulting from gains and losses from derivative and nonderivative instruments designated as hedging instruments. Unrealized gain (loss) on derivative instruments Realized (gains) losses reclassified into net income (loss) Earnings Per Share [Text Block] Earnings Per Share [Text Block] Offsetting Derivative Assets [Abstract] Offsetting Assets [Table] Offsetting Assets [Table] Offsetting Assets [Line Items] Offsetting Assets [Line Items] Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative, Collateral, Obligation to Return Cash Derivative, Collateral, Obligation to Return Cash Derivative Asset, Fair Value, Amount Offset Against Collateral Derivative Asset, Fair Value, Amount Offset Against Collateral Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2018 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2019 Operating Leases, Future Minimum Payments, Due in Two Years 2020 Operating Leases, Future Minimum Payments, Due in Three Years 2021 Operating Leases, Future Minimum Payments, Due in Four Years 2022 Operating Leases, Future Minimum Payments, Due in Five Years Beyond 2022 Operating Leases, Future Minimum Payments, Due Thereafter Future minimum lease payments Operating Leases, Future Minimum Payments Due Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Expected term (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Accounts Receivable, Net [Abstract] Accounts Receivable, Net [Axis] Accounts Receivable, Net, Current Accounts Receivable, Net, Current Total accounts receivable, net Unbilled Receivables, Current Unbilled Receivables, Current Income Tax Provision [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Income Tax Rate Reconciliation [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Valuation Allowance [Table Text Block] Summary of Valuation Allowance [Table Text Block] Unrecognized Tax Benefits Related To Uncertain Tax Positions [Table Text Block] Summary of Income Tax Contingencies [Table Text Block] Employee severance costs Other restructuring costs Restructuring Reserve - Beginning Balance Restructuring Reserve Cash receipts (payments) Payments for Restructuring Net assets disposed and impaired Restructuring Costs and Asset Impairment Charges Effect of change in exchange rates Restructuring Reserve, Foreign Currency Translation Gain (Loss) Restructuring Reserve - Ending Balance Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Loss Contingencies by Nature of Contingency [Axis] Loss Contingency, Nature [Domain] Credit Facility [Member] Line of Credit Facility, Remaining Borrowing Capacity Insurance Recoveries Insurance Recoveries Employee Benefit Type [Axis] Employee Benefit Type [Axis] Type of Employee Benefit and Compensation [Domain] Type of Employee Benefit and Compensation [Domain] Bonus and Profit Sharing Plans and Awards Expense Bonus and Profit Sharing Plans and Awards Expense Expense recognized in the period related to bonus and profit sharing plans and other awards for employee achievement.