Document Quarterly Report Document Quarterly Report Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Asset backed credit facility, fixed charged coverage ratio requirement, maximum Asset Backed Credit Facility Fixed Charge Coverage Ratio Requirement, Maximum Asset Backed Credit Facility Fixed Charge Coverage Ratio Requirement, Maximum Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Line of Credit Facility, Increase (Decrease), Net Line of Credit Facility, Increase (Decrease), Net Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Compensating balance Compensating Balance, Amount Tabular List, Table Tabular List [Table Text Block] Basic EPS: Earnings Per Share, Basic [Abstract] Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Treasury shares sold to Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Accounts payable Increase (Decrease) in Accounts Payable Costs and estimated earnings in excess of billings on uncompleted contracts Contract with Customer, Asset, after Allowance for Credit Loss, Current Crude Oil Terminal Project Crude Oil Terminal Project [Member] Crude Oil Terminal Project Name Trading Arrangement, Individual Name Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic loss per common share Basic loss per share (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] All Award Types Award Type [Domain] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Statement of Other Comprehensive Income [Abstract] Equity Awards Adjustments Equity Awards Adjustments [Member] Other Other Noncash Income (Expense) Revenue Revenue from Contract with Customer [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Treasury shares sold to Employee Stock Purchase Plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Contract with customer, revenue recognized Contract with Customer, Liability, Revenue Recognized Remaining performance obligations yet to be satisfied Revenue, Remaining Performance Obligation, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Unapproved change orders and claims Construction Contractor, Contract Cost, Subject to Uncertainty, Amount Name Awards Close in Time to MNPI Disclosures, Individual Name Other assets and liabilities Increase (Decrease) in Other Operating Assets Restricted cash Restricted Cash, Noncurrent Loss Contingency, Actions Taken by Defendant Loss Contingency, Actions Taken by Defendant Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Proceeds from asset sales Proceeds from Sale of Productive Assets Litigation Settlement, Amount Awarded from Other Party Litigation Settlement, Amount Awarded from Other Party Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Treasury stock, at cost — 0 shares as of December 31, 2025 and 277,731 shares as of June 30, 2025; Treasury Stock, Value Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Segments [Domain] Segments [Domain] Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Stock Issued During Period, Shares, Employee Stock Ownership Plan Stock Issued During Period, Shares, Employee Stock Ownership Plan Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Net contract liabilities Contract with customer, current liability, net Contract with customer, current liability, net Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Other income (expense): Other Nonoperating Income (Expense) [Abstract] Cover [Abstract] Cover [Abstract] Disposal Groups, Including Discontinued Operations, Disclosure Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Inventories Increase (Decrease) in Inventories Inventories Inventory, Net Segment, Expenditure, Addition to Long-Lived Assets Segment, Expenditure, Addition to Long-Lived Assets Company Selected Measure Name Company Selected Measure Name Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Treasury Stock, Common Treasury Stock, Common [Member] Process and Industrial Facilities [Member] Process and Industrial Facilities [Member] Process and Industrial Facilities Change in Accounting Estimate Change in Accounting Estimate [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Proceeds from issuance of common stock under employee stock purchase plan Proceeds from Stock Plans Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] All Executive Categories All Executive Categories [Member] Common stock — $0.01 par value; 60,000,000 shares authorized; 28,124,527 shares issued and outstanding at December 31, 2025; 27,888,217 shares issued at June 30, 2025 and 27,610,486 shares outstanding as of June 30, 2025; Common Stock, Value, Issued Entity Shell Company Entity Shell Company Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Other liabilities, non-current Other Liabilities, Noncurrent Diluted Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (Note 6) Commitments and Contingencies Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Asset backed line of credit, balance limit for fixed charge, coverage ratio mtrx:AssetBackedLineofCreditBalanceLimitforFixedChargeCoverageRatio mtrx:AssetBackedLineofCreditBalanceLimitforFixedChargeCoverageRatio Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Retentions to be collected within one year Construction Contractor, Receivable, Retainage, Year One Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Entity Small Business Entity Small Business Summary of Revenue by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Name Measure Name Additional margin on adjusted term SOFR, maximum Additional Margin On Adjusted Term SOFR Maximum Additional Margin On Adjusted Term SOFR Maximum Operating lease liabilities Operating Lease, Liability, Current Document Transition Report Document Transition Report Deferred income taxes Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Award Timing Method Award Timing Method [Text Block] Project [Axis] Project [Axis] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Award Type Award Type [Axis] Income Taxes Income Tax Disclosure [Text Block] Diluted EPS: Earnings Per Share, Diluted [Abstract] Contract retentions collectible beyond one year Construction Contractor, Receivable, Retainage, after Year One Total assets Segment assets Assets 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] Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Total stockholders' equity Total stockholders' equity Equity, Including Portion Attributable to Noncontrolling Interest Entity Address, City or Town Entity Address, City or Town Document Type Document Type Earnings per Common Share Earnings Per Share [Text Block] Operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Additional paid-in capital Additional Paid in Capital Asset backed credit facility, federal funds rate addition Asset Backed Credit Facility, Federal Funds Rate Addition Asset Backed Credit Facility, Federal Funds Rate Addition Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount All Individuals All Individuals [Member] Capital expenditures Payments to Acquire Property, Plant, and Equipment Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Name Forgone Recovery, Individual Name Additional margin on alternate base rate loans, maximum Line Of Credit Basis Spread On Alternate Base Rate Maximum Line of credit basis spread on alternate base rate maximum. Total current assets Assets, Current 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] Change in net contract balances Change in net contract balances Change in net contract balances from the prior year to the current year. Restructuring costs Restructuring Costs Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Asset backed credit facility, adjusted term SOFR rate, minimum Asset Backed Credit Facility Adjusted Term SOFR Rate Minimum Asset Backed Credit Facility Adjusted Term SOFR Rate Minimum Unused credit facility fee, percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Total Revenue Revenue from Contract with Customer, Including Assessed Tax Accrued insurance Accrued Insurance, Current Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Storage and Terminal Solutions [Member] Storage and Terminal Solutions [Member] Storage and Terminal Solutions Common stock, shares, outstanding (in shares) Common Stock, Shares, Outstanding Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] PEO PEO [Member] Geographical [Axis] Geographical [Axis] Summary of Revenue by Contract Type Disaggregation of Revenue [Table Text Block] Performance obligations to be recognized as revenue within next twelve months Performance obligations to be recognized as revenue within next twelve months Performance obligations to be recognized as revenue within next twelve months. Interest income Investment Income, Interest Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] United States UNITED STATES Changes in operating assets and liabilities increasing (decreasing) cash: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Statement Condensed Consolidated Balance Sheets [Abstract] Statement Condensed Consolidated Balance Sheets [Abstract] Statement Condensed Consolidated Balance Sheets [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Valuation allowances placed on deferred tax assets Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Accrued expenses Increase (Decrease) in Accrued Liabilities Diluted loss per common share Diluted loss per share (in dollars per share) Earnings Per Share, Diluted Retained Earnings Retained Earnings [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Accounts receivable, net of allowance for credit losses Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning of Period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, End of Period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Provision for federal, state and foreign income taxes Income Tax Expense (Benefit) Treasury stock, common, shares (in shares) Treasury Stock, Common, Shares Earnings Per Share [Abstract] Earnings Per Share [Abstract] Other intangible assets, net of accumulated amortization Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Gross profit Gross profit Gross Profit Antidilutive Securities Excluded from the Calculation of Diluted EPS Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Change in CIE Change in CIE Change in CIE from prior year to the current period. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Adjustments to Additional Paid in Capital, Other Adjustments to Additional Paid in Capital, Other Billings on uncompleted contracts in excess of costs and estimated earnings Increase (Decrease) in Contract with Customer, Liability Restructuring and Related Activities Disclosure Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Asset backed credit facility, fixed charge coverage ratio requirement, minimum Asset Backed Credit Facility Fixed Charge Coverage Ratio Requirement, Minimum Asset Backed Credit Facility Fixed Charge Coverage Ratio Requirement, Minimum Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Income taxes Income Taxes Paid, Net Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Award Timing Disclosures [Line Items] Summary of Contract with Customer, Contract Asset, Contract Liability, and Receivable Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Accrued wages and benefits Employee-related Liabilities, Current Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net Cash Provided by (Used in) Operating Activities, Total Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Long-Lived Asset, Held-for-Sale, Type [Axis] Asset, Held-for-Sale, Not Part of Disposal Group Line of credit facility, borrowing base Line of Credit Facility, Current Borrowing Capacity Net loss Net income (loss) Net Income (Loss) Attributable to Parent Mining and Minerals Project Mining and Minerals Project [Member] Mining and Minerals Project Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Utility and Power Infrastructure [Member] Utility and Power Infrastructure [Member] Utility and Power Infrastructure. Expiration Date Trading Arrangement Expiration Date PEO Total Compensation Amount PEO Total Compensation Amount Other Treasury Share Purchases Other Treasury Share Purchases Other treasury share purchases. Contracts receivable, claims and uncertain amounts Contracts Receivable, Claims and Uncertain Amounts Equity Components [Axis] Equity Components [Axis] Property, plant and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Adoption Date Trading Arrangement Adoption Date Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net of allowance for credit losses Increase (Decrease) in Accounts Receivable Number of Reportable Segments Number of Reportable Segments Loss Contingency, Actions Taken by Plaintiff Loss Contingency, Actions Taken by Plaintiff Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Operating loss Operating loss Operating Income (Loss) Retained earnings (accumulated deficit) Retained Earnings (Accumulated Deficit) Other Performance Measure, Amount Other Performance Measure, Amount Payments of Debt Issuance Costs Payments of Debt Issuance Costs Entity Address, State or Province Entity Address, State or Province Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Gain on disposal of property, plant and equipment Gain (Loss) on Disposition of Property Plant Equipment Corporate Segment Corporate Segment [Member] Adjustments to reconcile net loss to net cash provided (used) by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] 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] Total current liabilities Liabilities, Current Individual: Individual [Axis] Interest expense Interest Expense, Operating and Nonoperating Current Fiscal Year End Date Current Fiscal Year End Date 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] Net Cash Provided by (Used in) Investing Activities, Total Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Statement [Table] Statement [Table] Other Other Nonoperating Income (Expense) Interest Interest Paid, Excluding Capitalized Interest, Operating Activity Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Project [Domain] Project [Domain] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Asset backed line of credit, percentage limit for fixed charge, coverage ratio mtrx:AssetBackedLineofCreditPercentageLimitforFixedChargeCoverageRatio mtrx:AssetBackedLineofCreditPercentageLimitforFixedChargeCoverageRatio Nonvested restricted stock shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Loss before income tax expense Income (Loss) Attributable to Parent, before Tax Segment Information Segment Reporting Disclosure [Text Block] Termination Date Trading Arrangement Termination Date Net Cash Provided by (Used in) Financing Activities, Total Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Costs and estimated earnings in excess of billings on uncompleted contracts Increase (Decrease) in Contract with Customer, Asset Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Payments related to tax withholding for stock-based compensation Payments for Repurchase of Other Equity Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Additional margin on adjusted term SOFR, minimum Additional Margin On Adjusted Term SOFR Minimum Additional Margin On Adjusted Term SOFR Minimum Basic Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Cost of revenue Cost of Product and Service Sold Selling, general and administrative expenses Selling, General and Administrative Expense Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Alternate base rate margin Alternate Base Rate Margin Alternate Base Rate Margin Segment Reporting [Abstract] Segment Reporting [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Other assets, non-current (Note 2) Other Assets, Noncurrent Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Entity Central Index Key Entity Central Index Key Debt Disclosure [Abstract] Debt Disclosure [Abstract] PEO Name PEO Name Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Revenue Revenues Entity Tax Identification Number Entity Tax Identification Number 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 Fixed-price contracts Fixed-Price Contract [Member] Other international Other international [Member] Other international [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Billings on uncompleted contracts in excess of costs and estimated earnings Billings on uncompleted contracts in excess of costs and estimated earnings Contract with Customer, Liability, Current Common stock, shares issued (in shares) Common Stock, Shares, Issued Business Segments [Axis] Segments [Axis] Income taxes receivable Income Taxes Receivable, Current 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] Litigation Settlement, Amount Awarded to Other Party Litigation Settlement, Amount Awarded to Other Party Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Assets Assets [Abstract] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Foreign currency translation loss Other comprehensive income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Change in BIE Change in BIE Change in BIE from the prior year to the current period. Security Exchange Name Security Exchange Name Stockholders’ equity: Equity, Attributable to Parent [Abstract] Total liabilities Liabilities Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Purchases of property, plant and equipment on account Capital Expenditures Incurred but Not yet Paid Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Additional margin on alternate base rate loans, minimum Line Of Credit Basis Spread On Alternate Base Rate Minimum Line of credit basis spread on alternate base rate minimum. AOCI Attributable to Parent AOCI Attributable to Parent [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other accrued expenses Other Liabilities, Current Time and materials and other cost reimbursable contracts Time-and-Materials Contract [Member] Statement [Line Items] Statement [Line Items] Restructuring, Settlement and Impairment Provisions Restructuring, Settlement and Impairment Provisions Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Restricted Stock, Value, Shares Issued Net of Tax Withholdings Restricted Stock, Value, Shares Issued Net of Tax Withholdings Restricted Stock, Value, Shares Issued Net of Tax Withholdings Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation