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Award Timing Method Award Timing Method [Text Block] Furniture and fixtures Furniture and Fixtures [Member] Award Type Award Type [Axis] Income Tax Contingency [Table] Income Tax Contingency [Table] Revolving credit facility borrowings, outstanding amount Long-Term Debt Legal Entity Legal Entity [Axis] Total Assets Assets Investing Activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (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 Cash and Investments Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Geographical [Domain] Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Stock-based compensation (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Research and development credit Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Other expense Segment Reporting, Other Segment Item, Amount Useful Life Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life 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 Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total purchase consideration Business Combination, Consideration Transferred Assets: Assets, Fair Value Disclosure [Abstract] Decreases related to settlement with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Schedule of Intangible Asset, Acquired, Finite-Lived Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Order backlog Order backlog Order or Production Backlog [Member] Entity Emerging Growth Company Entity Emerging Growth Company Earnings per share: Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Purchase of intangible assets Payments to Acquire Intangible Assets Dividends per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Performance Based Restricted Stock Unit Performance Based Restricted Stock Unit [Member] Performance based restricted stock unit. Total assets recognized Business Combination, Recognized Asset Acquired, Asset 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] Revenues Revenue from Contract with Customer, Including Assessed Tax Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] 2014 Equity Incentive Plan Two Thousand Fourteen Equity Incentive Plan [Member] Two thousand fourteen equity incentive plan. Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Bad debt expense (recovery), net Accounts Receivable, Credit Loss Expense (Reversal) Schedule of Components of Income Tax Provision (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name Plan Name [Axis] Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Rabbi trust assets Other Assets, Fair Value Disclosure PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Shares issued under the plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Increase in valuation allowance (less than) Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Income taxes payable Accrued Income Taxes, Current United States United States United States UNITED STATES Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [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] Guarantee liability, letters of credit Guarantor Obligations, Current Carrying Value Schedule of Activity in Product Warranty Accrual Schedule of Product Warranty Liability [Table Text Block] Schedule of Estimated Future Amortization Expense of Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Retained Earnings Retained Earnings [Member] Retained amount expected to be collected Contract with Customer, Receivable, after Allowance for Credit Loss, Noncurrent Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Number of Restricted Stock Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] 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] Income tax provision Total income tax provision Income tax benefit Income tax provision Income Tax Expense (Benefit) Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Facility Agreement Facility Agreement [Member] Facility agreement. Product and Service [Domain] Product and Service [Domain] Fair Value, Hierarchy Fair Value Hierarchy and NAV [Axis] Gain on cash flow commodity hedge Gain on cash flow commodity hedge Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Property, plant and equipment gross Property, Plant and Equipment, Gross Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Reportable Segment Reportable Segment [Member] Reportable Segment Guarantor Obligation [Table] Guarantor Obligation [Table] Schedule of Aggregate Purchase Price Allocation Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Change in contract estimates due to project cancellations Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Modification of Contract Goodwill related to Remsdaq acquisition Goodwill, Acquired During Period City Area Code City Area Code Cash paid for business acquisition, net of cash acquired Cash consideration Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Buildings and improvements Building and Building Improvements [Member] 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] Time Based Restricted Stock Unit Time Based Restricted Stock Unit [Member] Time based restricted stock unit. Unvested restricted stock outstanding (in shares) Outstanding Beginning Balance (in shares) Outstanding Ending Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Valuation allowance Effective Income Tax Rate Reconciliation Change In Foreign and Domestic Valuation Allowance, Percent Effective Income Tax Rate Reconciliation Change In Foreign and Domestic Valuation Allowance, Percent Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Warranty Costs Standard Product Warranty, Policy [Policy Text Block] Operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Foreign Probable liquidated damages Loss Contingency Probable Loss In Period Loss contingency probable loss in period. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] Readily available cash percentage deductible from letters of credit (lesser of) Debt Covenant, Allowable Deduction, Consolidated Funded Indebtedness, Cash Percentage Debt Covenant, Allowable Deduction, Consolidated Funded Indebtedness, Cash Percentage Range of asset lives Property, Plant and Equipment, Useful Life Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Total lease cost Lease, Cost Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Loss contingency, estimate of actual or projected loss Loss Contingency, Estimate of Possible Loss Schedule of Lease Cost Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Depreciation and amortization Depreciation Federal Deferred Federal Income Tax Expense (Benefit) Equity Components Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Less: sublease income Sublease Income Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Auditor Name Auditor Name Business and Organization Nature of Operations [Text Block] Change due to foreign currency translation Standard and Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss) Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Reportable segments Number of Reportable Segments Inventory Business Combination, Recognized Asset Acquired, Inventory, Current Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Target RSUs granted range Share Based Compensation Arrangement By Share Based Payment Award Target R S U Granted Range Share based compensation arrangement by share based payment award target RSU granted range. Deferred Tax Assets: Components of Deferred Tax Assets [Abstract] Cash paid (received) during the period for: Supplemental Cash Flow Information [Abstract] Receivables Business Combination, Recognized Asset Acquired, Receivable, Current Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Dividends Dividends, Common Stock Fair Value of Financial Instruments Fair Value Measurement, Policy [Policy Text Block] Total Current Liabilities Liabilities, Current Net increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Pledged asset percentage Debt Instrument, Covenant, Pledged Asset Percentage Debt Instrument, Covenant, Pledged Asset Percentage Readily available cash deductible from letters of credit outstanding (lesser of) Debt Covenant, Component Of Calculation Of Consolidated Funded Indebtedness, Cash Deductible Amount Debt Covenant, Component Of Calculation Of Consolidated Funded Indebtedness, Cash Deductible Amount Individual: Individual [Axis] Vesting Vesting [Axis] Defined contribution plan recognized expenses Defined Contribution Plan, Cost Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Dividends paid Payments of Ordinary Dividends, Common Stock Other current assets Other Assets, Current Document Annual Report Document Annual Report Deferred compensation expense adjustment Deferred Compensation Arrangement With Individual Compensation Adjustment Income Expense Deferred compensation arrangement with individual compensation adjustment income (expense). 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Operating Activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Plan Name Plan Name [Domain] Total acquisition-related costs Business Combination, Acquisition-Related Cost, Expense Weighted average remaining contractual life Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Unfunded liability Defined Benefit Plan, Funded (Unfunded) Status of Plan Less: valuation allowance Deferred Tax Assets, Valuation Allowance Contract Balances and Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Deferred compensation requisite service period Deferred Compensation Arrangement with Individual, Requisite Service Period Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Segment operating expenses: Segment Reconciliation [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Net operating loss Deferred Tax Assets, Operating Loss Carryforwards Trademarks Trademarks Trademarks [Member] Federal Current Federal Tax Expense (Benefit) Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] 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] Contingent future payments related to the acquisition of Remsdaq Fair value of contingent consideration Business Combination, Contingent Consideration, Liability Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of intangible assets Amortization of Intangible Assets Selling, general and administrative expenses General and administrative expenses Selling, General and Administrative Expense Deferred income tax assets Deferred Income Tax Assets, Net Depreciation and amortization Depreciation, Depletion and Amortization 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 Accounts Receivable Accounts Receivable [Policy Text Block] Arrangement Duration Trading Arrangement Duration Vesting of First Anniversary Share-Based Payment Arrangement, Tranche One [Member] Contract liabilities Contract liabilities Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Petrochemical Petrochemical [Member] Petrochemical [Member] Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Accrued product warranty Balance at beginning of period Balance at end of period Product Warranty Accrual, Current Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock Class of Stock [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Amounts not yet recognized related to non-vested stock totaled Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Europe Europe Europe [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent ASSETS Assets [Abstract] Texas Capital Bank Texas Capital Bank [Member] Texas Capital Bank Credit Facility Credit Facility [Axis] Maturities of short-term investments Proceeds from Maturities, Prepayments and Calls of Short-Term Investments Underlying Security Market Price Change Underlying Security Market Price Change, Percent Retiree medical plan Postretirement Health Coverage [Member] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Vesting Vesting [Domain] Debt Instrument Debt Instrument [Axis] Forfeited/canceled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Employee Benefit Plans Retirement Benefits [Text Block] Business Combination [Line Items] Business Combination [Line Items] Credit Facility Credit Facility [Domain] Gross Carrying Value Finite-Lived Intangible Assets, Gross Stockholders’ Equity: Equity, Attributable to Parent [Abstract] 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] Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Entity Address, Address Line One Entity Address, Address Line One Research and development expenses Research and development expenses Research and Development Expense Accumulated Other Comprehensive Income/(Loss) AOCI Attributable to Parent [Member] Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Investment [Domain] Investments [Domain] Long-term operating lease liabilities Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Entity Voluntary Filers Entity Voluntary Filers Retention amounts included in accounts receivable Contract with Customer, Receivable, after Allowance for Credit Loss Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Work-in-progress Inventory, Work in Process, Gross Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Deferred compensation (Note J) Deferred Compensation Liability, Classified, Noncurrent Deferred compensation liability Deferred compensation Deferred Compensation Liability, Current and Noncurrent Dilutive effect of restricted stock and restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited/canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Finance lease, assets Finance Lease, Right-of-Use Asset, before Accumulated Amortization Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Investment Type [Axis] Investment Type [Axis] Machinery and equipment Machinery and Equipment [Member] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment 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