Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Revision of Prior Period [Axis] Revision of Prior Period [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Service & Rental [Member] Service & Rental [Member] Service & Rental [Member] Award Timing Predetermined Award Timing Predetermined [Flag] Standard and Extended Product Warranty Accrual Beginning balance Standard and Extended Product Warranty Accrual Gross Carrying Value Intangible Assets, Gross (Excluding Goodwill) Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Interest Rate Swap [Member] Interest Rate Swap [Member] Tabular List, Table Tabular List [Table Text Block] Income Tax Effective Tax Rate [Table Text Block] Income Tax Effective Tax Rate [Table Text Block] [Table Text Block] for Income Tax Effective Tax Rate [Table] Senior credit facility expansion option, available Line Of Credit Facility Additional Expansion Option Available Line of credit facility additional expansion option available Machinery and equipment Machinery and Equipment, Gross General Corporate General Corporate [Member] General Corporate [Member] Goodwill [Line Items] Goodwill [Line Items] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] (Loss) Earnings Per Share, Basic Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Trade accounts payable Increase (Decrease) in Accounts Payable, Trade Restructuring Reserve, Settled without Cash Restructuring Reserve, Settled without Cash Other Comprehensive (Loss) Income, Net of Tax Other Comprehensive (Loss) Income, Net of Tax Other Comprehensive Income (Loss), Net of Tax Summary of Financial Information by Reportable Segment and Product Line Schedule of Segment Reporting Information, by Segment [Table Text Block] Impaired Assets [Line Items] Indefinite And Finite Lived Intangible Asset [Line Items] [Line Items] for Tabular disclosure of impaired assets. Derivatives and Fair Value [Text Block] Derivatives and Fair Value [Text Block] Revenue, remaining performance obligation, within next twelve months Revenue, Remaining Performance Obligation, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option 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] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Common Stock, Shares Authorized Common Stock, Shares Authorized Surety Bond Surety Bond [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Stock Issued During Period, Shares, Employee Benefit Plan Stock Issued During Period, Shares, Employee Benefit Plan Patents Patents [Member] Schedule Of Finite Lived And Indefinite Lived Intangible Assets Table Schedule Of Finite Lived And Indefinite Lived Intangible Assets Table [Table Text Block] Schedule Of Finite Lived And Indefinite Lived Intangible Assets Current assets Assets, Current [Abstract] Total liabilities and shareholders’ equity Liabilities and Equity Other accrued liabilities Increase (Decrease) in Other Current Liabilities LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Maximum Maximum [Member] Weighted Average Amortization Period (Years) Finite-Lived Intangible Asset, Useful Life Guarantees [Abstract] Guarantees [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Net Book Value Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Senior Credit Facility - Revolver Senior Credit Facility Revolver [Member] Senior Credit Facility - Revolver [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Derivative Instruments in Hedges, at Fair Value, Net Derivative Instruments in Hedges, at Fair Value, Net Business Combination Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Long-term Debt, Current Maturities Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Weighted average common shares outstanding Weighted Average Common Shares Outstanding [Abstract] Weighted average common shares outstanding: [Abstract] Name Measure Name Beginning Balance Ending Balance Restructuring Reserve Restructuring Reserve Capital Stock and Share Repurchase Capital Stock and Share Repurchase [Text Block] Capital Stock and Share Repurchase [Text Block] Deferred Income Taxes Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Products [Member] Products [Member] Products product line within the Industrial Tools & Services Segment Warranty Payments and costs incurred Standard and Extended Product Warranty Accrual, Decrease for Payments Award Timing Method Award Timing Method [Text Block] Industrial Tools & Services [Member] [Domain] Industrial Tools & Services [Member] [Domain] Industrial Tools & Services [Member] [Domain] Award Type Award Type [Axis] Accounting Standards Update [Axis] Accounting Standards Update [Axis] General Coporate General Coporate [Member] General Coporate [Member] Long-term Debt Long-Term Debt Total assets Assets Assets Finite-Lived Intangible Asset, Expected Amortization, Year One Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol AOCI - 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options for future expansion on Senior Credit Facility. Stock held in trust Stock Held In Trust Stock held in trust. Gross Property, Plant and Equipment Property, Plant and Equipment, Gross ETG Restructuring Plan [Domain] ETG Restructuring Plan [Domain] ETG Restructuring Plan [Domain] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Derivative, Notional Amount Derivative, Notional Amount Restructuring and Related Activities Disclosure [Text Block] 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 Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired 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 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Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Income Tax Disclosure Additional Details [Table] [Table] Income Tax Disclosure Additional Details [Table] [Table] Income Tax Disclosure Additional Details [Table] Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Standby Letters of Credit [Member] Standby Letters of Credit [Member] Stock Issued During Period, Value, Restricted Stock Award, Gross Stock Issued During Period, Value, Restricted Stock Award, Gross Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Loss on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging 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capital Additional Paid in Capital, Common Stock Cash Provided by Investing Activities 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] Document Fiscal Year Focus Document Fiscal Year Focus 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 Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Derivatives used in Net Investment Hedge, Increase (Decrease), Gross of Tax Derivatives used in Net Investment Hedge, Increase (Decrease), Gross of Tax Equity [Abstract] Equity [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Schedule of Goodwill [Table] Goodwill [Table] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Product Warranty Costs Product Warranty Disclosure [Text Block] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Amortization of intangible assets Amortization of Intangible Assets Amortization of Intangible Assets Selling, General and Administrative Expense Selling, General and Administrative Expense Stock Repurchased During Period, Value Stock Repurchased During Period, Value Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Capital expenditures Capital expenditures Payments to Acquire Productive Assets Depreciation and amortization Depreciation, Depletion and Amortization Other long-term assets Other Assets, Noncurrent Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Revenues Revenues Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 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] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Change in Accounting Principle, Type [Axis] Change in Accounting Principle, Type [Axis] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Business Segments [Axis] Segments [Axis] Change in Accounting Principle, Type [Domain] Change in Accounting Principle, Type [Domain] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] ASSETS Assets [Abstract] Long-term debt, net Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Finite-Lived Intangible Asset, Expected Amortization, Year Three Finite-Lived Intangible Asset, Expected Amortization, Year Three Debt Instrument [Axis] Debt Instrument [Axis] Fair Value Measurement Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Gross Carrying Value Finite-Lived Intangible Assets, Gross 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] Schedule of Accumulated Other Comprehensive Income (Loss) [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) [Abstract] Entity Address, Address Line One Entity Address, Address Line One Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, Allowance for Credit Loss, Current Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Financing costs, net Financing Interest Expense Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Principal Repayment on Revolving Credit Facility Principal Repayment on Revolving Credit Facility Principal Repayment on Revolving Credit Facility Long-Term Indebtedness Schedule of Long-Term Debt Instruments [Table Text Block] Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Document Quarterly Report Document Quarterly Report Foreign Currency Contract, Liability/Asset, Fair Value Disclosure Foreign Currency Contract, Asset, Fair Value Disclosure Revision of Prior Period [Domain] Revision of Prior Period [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Condensed Statement of Income Captions [Line Items] Condensed Statement of Income Captions [Line Items] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Other Operating Segment [Member] Other Operating Segment [Member] Other Operating Segment [Member] - Includes the Cortland U.S. business Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Interest Rate Cash Flow Hedge Derivative at Fair Value, Net Interest Rate Cash Flow Hedge Derivative at Fair Value, Net Outstanding letters of credit Outstanding letters of credit Letters of Credit Outstanding, Amount Restructuring and Related Costs [Table Text Block] Restructuring and Related Costs [Table Text Block] Name Trading Arrangement, Individual Name Principal repayments on term loan Principal repayments on term loan Principal repayments on term loan All Award Types Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Other Noncash Income (Expense) Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount 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] Accrued compensation and benefits Increase (Decrease) in Employee Related Liabilities MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Cash payments Payments for Restructuring AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Condensed Statement of Comprehensive Income [Table] Condensed Statement of Comprehensive Income [Table] Stock Value Issued to Acquired For and Distributed From Rabbi Trust Stock Value Issued to Acquired For and Distributed From Rabbi Trust Stock Value Issued to Acquired For and Distributed From Rabbi Trust APIC, Share-based Payment Arrangement, Increase for Cost Recognition APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss) Standard Product Warranty Accrual, Foreign Currency Translation Gain (Loss) Segments [Domain] Segments [Domain] Senior Credit Facility - Term Loan Senior Credit Facility Term Loan [Member] Senior Credit Facility Term Loan [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Inventories Increase (Decrease) in Inventories Inventories, net Inventory, Net Operating profit (loss) % Operating profit (loss) % Operating profit (loss) % Amortization of debt issuance costs Amortization of Debt Issuance Costs and Discounts Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Less: Accumulated Depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Company Selected Measure Name Company Selected Measure Name Stock options, taxes paid related to the net share settlement of equity awards and other Stock options, taxes paid related to the net share settlement of equity awards and other Stock options, taxes paid related to the net share settlement of equity awards and other Type of Expansion [Axis] Type of Expansion [Axis] Type of Expansion [Axis] - options for future expansion on Senior Credit Facility. Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Current maturities of long-term debt Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Class A common stock, $0.20 par value per share, authorized 168,000,000 shares, issued 51,540,096 and 52,946,336 shares, respectively Common Stock, Value, Issued Leverage ratio Leverage Ratio Leverage ratio. 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