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Award Timing Predetermined Award Timing Predetermined [Flag] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Industrials Industrials [Member] Industrials Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Equipment acquired through finance lease obligations Lease Obligation Incurred Tabular List, Table Tabular List [Table Text Block] Basic earnings (loss) per share Earnings Per Share, Basic [Abstract] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Trade accounts receivable - unbilled Contract with Customer, Asset, after Allowance for Credit Loss, Current Type of Restructuring [Domain] Type of Restructuring [Domain] Goodwill [Line Items] Goodwill [Line Items] Share-Based Payment Arrangement Share-Based Payment Arrangement [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Basic earnings (loss) per share (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Dilutive effect of stock options outstanding (in shares) Incremental Common Shares Attributable to Stock Options Outstanding Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of stock options outstanding. Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue Revenue from Contract with Customer [Text Block] Accounts payable Increase (Decrease) in Accounts Payable, Trade Debt Covenant Period Five Debt Covenant Period Five [Member] Debt Covenant Period Five Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Schedule of Selected Consolidated Financial Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Other Other Long Term Debt [Member] Represents details pertaining to other long-term debt of the entity. Inventory Disclosure [Abstract] Net settlement of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Share-based payment award, expiration upon end of service Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Upon End of Service Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Upon End of Service Adjustment to Compensation, Amount Adjustment to Compensation Amount Principles of Consolidation Consolidation, Policy [Policy Text Block] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Stock Options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Dilutive effect of restricted stock units outstanding (in shares) Incremental Common Shares Attributable to Restricted Stock Units Outstanding Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of restricted stock units outstanding. 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Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Letter of Credit Letter of Credit [Member] Distribution to non-controlling interests Payments to Noncontrolling Interests Secured Debt Secured Debt [Member] Right-of-use liability - Operating Operating Lease, Liability, Current Debt Covenant Period [Axis] Debt Covenant Period [Axis] Debt Covenant Period [Axis] Deferred income taxes Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Total debt Debt outstanding Long-Term Debt Variable Rate Component Variable Rate Component [Member] Variable Rate Component Total assets Total assets Assets Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Trading Symbol Trading Symbol Vested (in dollars per share) Released (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Geographical [Domain] Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Entity Address, City or Town Entity Address, City or Town Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Other Expenses Segment Reporting, Other Segment Item, Amount Products & Systems Products and Systems Products and Systems [Member] Products and Systems Intangible Assets Intangible Assets Disclosure [Text Block] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Inventories Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation 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Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Provision (benefit) for income taxes Income Tax Expense (Benefit) Margin rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Intangible assets, net Net Carrying Amount Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Total Mistras Group, Inc. stockholders’ equity Parent [Member] Net income 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Segment Disclosure Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Other Commitments [Line Items] Other Commitments [Line Items] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Amortization expense of intangibles Amortization of Intangible Assets Selling, general and administrative expenses Selling, general & administrative expenses Selling, General and Administrative Expense Deferred income taxes Deferred Income Tax Assets, Net Number of performance award metrics Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Award Metrics Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Award Metrics Depreciation and amortization Depreciation, Depletion and Amortization Variable Rate Component [Domain] Variable Rate Component [Domain] Variable Rate Component [Domain] Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Senior credit facility Revolving Credit Facility Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Deferred revenue Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Work in progress Inventory, Work in Process, Net of Reserves Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Trade accounts receivable - 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Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer). 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Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized that was included in contract liability balance at the beginning of the year Contract with Customer, Liability, Revenue Recognized Reporting Unit [Domain] Reporting Unit [Domain] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Outstanding at the beginning of period (in dollars per share) Outstanding at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Restructuring Type [Axis] Restructuring Type [Axis] Accrued Expenses and Other Current Liabilities Accrued Liabilities Deferred Revenues and Contingent Consideration Liabilities Current Disclosure [Text Block] The entire disclosure for accrued liabilities, deferred revenues, and the fair value of contingent consideration liabilities at the end of the reporting period. Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Share-based payments APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Less: net income (loss) attributable to noncontrolling interests, net of taxes Less: Net income (loss) attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest, Excluding Foreign Currency Transaction And Translation Gain (Loss) Net Income (Loss) Attributable to Noncontrolling Interest, Excluding Foreign Currency Transaction And Translation Gain (Loss) Segments [Domain] Segments [Domain] PRSUs Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Inventories Increase (Decrease) in Inventories Inventories Inventories Inventory, Net Corp/Elim Corporate and eliminations Corporate And Eliminations [Member] Corporate And Eliminations Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] International International International [Member] Represents International, a business segment of the entity. Company Selected Measure Name Company Selected Measure Name Executive and Senior Officers Executive and Senior Officers [Member] Represents information pertaining to the executives and senior officers of the reporting entity. Revenue Revenue [Policy Text Block] Preferred stock, 10,000,000 shares authorized Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Finished goods Inventory, Finished Goods, Net of Reserves Common stock, $0.01 par value, 200,000,000 shares authorized, 31,816,681 and 31,567,434 shares issued and outstanding Common Stock, Value, Issued Percentage, range of target award Share Based Compensation Arrangement by Share Based Payment Award, Target Percentage Share Based Compensation Arrangement by Share Based Payment Award, Target Percentage Goodwill [Roll Forward] Goodwill [Roll Forward] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Title and Position [Axis] Title and Position [Axis] Diluted (in shares) Weighted-average 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Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Diluted earnings (loss) per share: Earnings Per Share, Diluted [Abstract] Proceeds from revolver Proceeds from Lines of Credit Accrued expenses and other current liabilities Total Accrued Expenses And Other Liabilities, Current Accrued Expenses And Other Liabilities, Current Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Environmental expense, net Environmental Remediation Expense, before Recovery Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type Earnings (Loss) per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Revenue Revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Requisite service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchase of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Expiration period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Expired or forfeited (in dollars per share) 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Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Schedule of Segment Reconciliation to Operating Income (Loss) Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Current Liabilities Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Debt periodic payments Debt Instrument, Periodic Payment Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Performance condition adjustments (in dollars per share) Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Performance Condition Adjustments, Net, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Performance Condition Adjustments, Net, Weighted Average Grant Date Fair Value Outstanding borrowings Long-Term Line of Credit Performance period (years) Share Based Compensation Arrangement by Share Based Payment Award, Award Performance Period Represents the performance period of the entity, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Covenant Period [Domain] Debt Covenant Period [Domain] [Domain] for Debt Covenant Period [Axis] Asia-Pacific Asia Pacific [Member] Diluted (in dollars per share) Diluted earnings (loss) per share (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Noncash investing and financing Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Net income (loss) per common share: Earnings Per Share [Abstract] Covenants not to compete Noncompete Agreements [Member] Consolidation Items [Domain] Consolidation Items [Domain] Gross profit Gross Profit Income taxes, net of refunds Income Taxes Paid, Net Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Award Timing Disclosures [Line Items] Schedule of Inventory, Current Schedule of Inventory, Current [Table Text Block] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Property, Plant and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Subsidiaries Subsidiaries [Member] Property, plant and equipment, net Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Distribution to non-controlling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Lowest available margin applicable Debt Instrument, Covenant, Consolidated Debt Leverage Ratio, Lowest Available Margin Applicable Debt Instrument, Covenant, Consolidated Debt Leverage Ratio, Lowest Available Margin Applicable Net income (loss) attributable to Mistras Group, Inc. Net income (loss) attributable to Mistras Group, Inc. Net Income (Loss) Attributable to Parent Intersegment Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date North America North America North America Segment [Member] Represents North America, a business segment of the entity. Other accrued expenses Other Accrued Liabilities, Current Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Financial information by segment Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Numerator: Numerator: Net Income (Loss) Attributable to Parent [Abstract] Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Oil & Gas Oil & Gas [Member] Oil & Gas Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Customer relationships Customer Relationships [Member] Income (loss) from operations Income (loss) from operations Operating Income (Loss) Line of Credit Line of Credit [Member] Retained earnings Retained Earnings (Accumulated Deficit) Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Pension accrual Pension plan withdrawal, potential liability Multiemployer Plans, Withdrawal Obligation Current portion of finance lease obligations Finance Lease, Liability, Current Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Petrochemical Petrochemical [Member] Petrochemical Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Number of awards that may be granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Other income, net Other Nonoperating Income (Expense) Adjustments to reconcile net income to net cash provided by operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Stock option award granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities Deferred Revenue and Contingent Consideration Liabilities Current [Table Text Block] Tabular disclosure of (a) other payables; (b) accrued liabilities; (c) deferred revenue; and (d) the fair value of contingent consideration liabilities, due within one year or within the normal operating cycle if longer. Beginning balance (in shares) Ending balance (in shares) Shares, Issued Accounts receivable, net Accounts receivable, net Receivables, Net, Current Obligations under finance leases, net of current portion Finance Lease, Liability, Noncurrent Minimum amount for threshold of business acquisition Debt Instrument, Covenant, Threshold Business Acquisition, Minimum Amount Debt Instrument, Covenant, Threshold Business Acquisition, Minimum Amount Potentially dilutive shares excluded from computation of diluted EPS due to net loss for the period (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted-average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Number of business days written notice is required Debt Instrument, Covenant, Number Of Days Before Business Acquisition, Written Notice Required Debt Instrument, Covenant, Number Of Days Before Business Acquisition, Written Notice Required All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Total number of shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Maximum amount available for the issuance of letters of credit Line of Credit Facility Maximum Borrowing Capacity Available for Issuance of Letters of Credit Represents the maximum amount of borrowing capacity under the revolving credit facility that is available for the issuance of letters of credit. Other Commitments [Table] Other Commitments [Table] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Weighted Average Grant-Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Depreciation Cost, Depreciation Measure: Measure [Axis] Foreign currency (gain) loss Realized Gain (Loss), Foreign Currency Transaction, before Tax Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Net settlement of restricted stock units Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Basic (in shares) Weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Cost of revenue Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Schedule of Computations of Basic and Diluted Earnings (Loss) per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Outstanding at beginning of period (in dollars per share) Outstanding at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Accrued salaries, wages and related employee benefits Accrued Salaries Wages and Employee Related Benefits Current Carrying value as of the balance sheet date of the obligations incurred through that date and payable for salaries, wages, and related employee benefit. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer). Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Schedule of Changes in Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Income taxes payable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Deferred income taxes Deferred Income Tax Noncash Expense (Benefit) The noncash component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Credit Agreement Credit Agreement [Member] Credit Agreement Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Capital expenditures included in accounts payable and accrued liabilities Capital Expenditures Incurred but Not yet Paid Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Statement Statement [Line Items] Capitalized costs associated with debt modifications Unamortized Debt Issuance Expense Consolidation Items [Axis] Consolidation Items [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Increase in total number of shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Common stock Common Stock [Member] Restricted stock awards vested (in shares) Vested (in shares) Released (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Maximum borrowing capacity in non-U.S. Dollar currencies Line Of Credit Facility Maximum Borrowing Capacity In Non US Currencies Represents the maximum borrowing capacity in non-U.S. dollar currencies under the revolving credit facility. Net change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation