Actuarial (gains) losses Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Letter of Credit Letter of Credit [Member] Nonvested restricted stock, Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Foreign Subsidiaries Foreign Subsidiaries [Member] Foreign subsidiaries. State Current State and Local Tax Expense (Benefit) Leasehold Improvements Leasehold Improvements [Member] Accordion Feature Accordion Feature [Member] Accordion Feature Allocation of Aggregate Purchase Price of Acquired Net Assets Schedule of Business Acquisitions, by Acquisition [Table Text Block] U.S. dollar 3.83% senior notes due September 2026 Senior Notes Three Point Eight Three Percent Due September Two Thousand Twenty Six [Member] Senior Notes 3.83% Due September 2026. Change in contract assets – (decrease) increase Increase (Decrease) in Contract with Customer, Asset Income tax benefit Tax Cuts And Jobs Act Of 2017 Provisional Income Tax Expense Benefit Tax Cuts and Jobs Act of 2017 provisional income tax expense (benefit). Cash dividends paid Dividends, Common Stock, Cash Security Exchange Name Security Exchange Name Weighted average grant date fair value, Forfeited (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Schedule of Outstanding Contract Asset and (Liability) Accounts Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Portion of tax liability incurred in domestic country Percentage of Tax Liability Attributable to Domestic Country Percentage of tax liability attributable to domestic country. Current liabilities for pension benefits Liability, Defined Benefit Plan, Current Defined benefit plans: Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Maturities of Lease Liabilities Schedule Of Maturities Of Operating And Finance Leases Liabilities [Table Text Block] Schedule of maturities of operating and finance leases liabilities. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] (Decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Corporate stocks – Common Corporate Common Stock [Member] Corporate stocks common. Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Maturities of long-term debt outstanding year two Long-Term Debt, Maturity, Year Two Differences in basis of intangible assets and accelerated amortization Deferred Tax Liabilities, Intangible Assets Aggregate intrinsic value of stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Purchase price allocation adjustments and other Goodwill, Purchase Accounting Adjustments Performance assumption change (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Assumptions Change Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Assumptions Change Subsequent Event Type [Domain] Subsequent Event Type [Domain] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Foreign currency translation: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Market value of treasury stock held Market Value of Treasury Stock Held Amount of market value of treasury stock held by Ametek Deferred income taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Amortization expense Amortization of Intangible Assets Other intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Amortization period for finite-lived intangible asset Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Remaining authorization for future share repurchases Stock Repurchase Program, Remaining Authorized Repurchase Amount Supplemental Balance Sheet Information Related to Leases Schedule Of Supplemental Balance Sheet Information Related To Leases [Table Text Block] Schedule of supplemental balance sheet information related to leases. Additions for tax positions of prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Proceeds from funding Proceeds from Issuance of Senior Long-term Debt Deferred tax asset net Deferred Tax Assets, Net Revenue recognized from contract liabilities Contract with Customer, Liability, Revenue Recognized Shipping and Handling Costs Shipping and Handling Costs [Policy Text Block] Disclosure of accounting policy for the classification of shipping and handling costs. Additional borrowing capacity under revolving credit facility Additional Borrowing Capacity Under Revolving Credit Facility Additional Borrowing Capacity Under Revolving Credit Facility Business Acquisition [Axis] Business Acquisition [Axis] British pound 2.59% senior note due November 2028 British Pound Two Point Five Nine Percent Senior Note Due November Two Thousand Twenty Eight [Member] British Pound 2.59% Senior Note Due November 2028. Award Type [Domain] Award Type [Domain] Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Local Phone Number Local Phone Number future payment obligations, guarantees Guarantor Obligations, Current Carrying Value Weighted Average Remaining Contractual Life  Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Net actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Exercisable at the end of the year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] (Decrease) increase in other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Preferred stock,$0.01 par value; authorized 5,000,000 shares; none issued Preferred Stock, Value, Issued Finite-lived intangible assets acquired Finite-lived Intangible Assets Acquired Currency [Axis] Currency [Axis] Retained earnings Retained Earnings [Member] U.S. Government securities Us Government Securities [Member] U.S. government securities. Abaco Abaco [Member] Abaco Settlements made during the year Standard Product Warranty Accrual, Decrease for Payments Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value Total investments Debt Securities [Member] Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] Pension contributions Payment for Pension Benefits Transition asset Defined Benefit Plan, Amortization of Transition Asset (Obligation) Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Weighted average interest rate Debt, Weighted Average Interest Rate 2.70% Due November 2031 Two Point Seven Zero Percent Due November Two Thousand Thirty One [Member] Two point seven zero percent due November two thousand thirty one. Total net pension expense Pension and Other Postretirement Benefits Cost (Reversal of Cost) Share-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Change in long-term intercompany notes Other Comprehensive Income Loss Foreign Currency Translation Change In Longterm Intercompany Notes Other comprehensive income (loss) foreign currency translation change in longterm intercompany notes. Basic earnings per share (in USD per share) Earnings Per Share, Basic Swiss franc 2.44% senior note due December 2021 Swiss Franc Two Point Four Four Percent Senior Note Due December Two Thousand Twenty One [Member] Swiss Franc Two Point Four Four Percent Senior Note Due December Two Thousand Twenty One [Member] Other Consolidated Balance Sheet Information Condensed Balance Sheet [Table Text Block] Revenues Revenue from Contract with Customer [Text Block] Non-vested restricted stock outstanding at the beginning of the year (in shares) Non-vested restricted stock outstanding at the end of the year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Maturities of long-term debt outstanding year one Long-Term Debt, Maturity, Year One Fair Value Measurement [Domain] Fair Value Measurement [Domain] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Non-current asset for pension benefits (other assets) Assets for Plan Benefits, Defined Benefit Plan Machinery and Equipment Machinery and Equipment [Member] Deferred tax liabilities, net Deferred Tax Liabilities, Net Other, net Other Noncash Income (Expense) Differences in basis of property and accelerated depreciation Deferred Tax Liabilities, Property, Plant and Equipment Receivables Receivables, Net, Current Information about Company's Operations in Different Geographic Areas Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Funded status asset (liability): Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract] Entity Voluntary Filers Entity Voluntary Filers Total fair value of stock options vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Total debt, net Long-term Debt Level 1 Fair Value, Inputs, Level 1 [Member] Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Accruals for warranties issued during the year Standard Product Warranty Accrual, Increase for Warranties Issued Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Entity Small Business Entity Small Business Additions for tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Euro 1.71% senior notes due December 2027 Senior Notes one Point seven one Percent Due December two thousend twenty saven [Member] Other foreign countries Other foreign countries Other Foreign Countries [Member] Other Foreign Countries [Member] Leases and Other Commitments Commitments Disclosure [Text Block] Percentage of employee contributions for eligible compensation, Maximum Defined Contribution Plan Maximum Employer Contribution As Percentage Of Eligible Compensation Defined contribution plan maximum employer contribution as percentage of eligible compensation. Plan amendments Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] The total amount of unrecognized tax benefits that would impact tax rate, if recognized Unrecognized Tax Benefits that Would Impact Effective Tax Rate Hedging Relationship [Domain] Hedging Relationship [Domain] Purchased technology Purchased Technology [Member] Purchased technology. Entity Interactive Data Current Entity Interactive Data Current Maturities of long-term debt outstanding thereafter Long-Term Debt, Maturity, after Year Five Future amortization expense, year four Finite-Lived Intangible Asset, Expected Amortization, Year Four Additional Consolidated Income Statement and Cash Flow Information Additional Financial Information Disclosure [Text Block] Reductions related to settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities U.S. Benefits for Manufacturing, Export and credits Effective Income Tax Rate Reconciliation Tax credits from Manufacturing And Exports Percent Represents the reconciliation to income tax percentage on behalf of tax credits from manufacturing and exports. Other plans: Defined Contribution Pension and Other Postretirement Plans [Abstract] Defined Contribution Plan And Other Postretirement Plans 1.34% Due October 2026 One Point Three Four Percent Due October Two Thousand Twenty Six [Member] One point three four percent due October two thousand twenty six. Balance Sheet Location [Domain] Balance Sheet Location [Domain] Gross unrecognized tax benefits Balance at the beginning of the year Balance at the end of the year Unrecognized Tax Benefits Income Tax Authority [Domain] Income Tax Authority [Domain] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Address, State or Province Entity Address, State or Province Other Securities Cash and Other Securities [Member] Cash and other securities. Deferred Income Tax Assets, Net Deferred Income Tax Assets, Net United Kingdom UNITED KINGDOM Current liabilities: Liabilities, Current [Abstract] Operating loss carryforwards valuation allowance Operating Loss Carryforwards, Valuation Allowance Weighted average exercise price, Exercisable at the end of the year (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Equity Securities Equity Securities [Member] Interest and penalties accrued related to uncertain tax positions Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Accounting Policies [Abstract] Accounting Policies [Abstract] Estimated future benefit payments, 2024 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Weighted average remaining contractual life, Outstanding at the end of the year (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Derivative Instrument [Axis] Derivative Instrument [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Total lease liabilities Operating lease liability Operating Lease, Liability Federal Current Federal Tax Expense (Benefit) Document Transition Report Document Transition Report Common stock, $0.01 par value; authorized 800,000,000 shares; issued: 2021 – 267,800,160 shares; 2020 – 266,746,248 shares Common Stock, Value, Issued Weighted average period to recognize expected future pre-tax compensation expense (in years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-vested restricted stock outstanding at the beginning of the year, weighted average grant date fair value (in USD per share) Non-vested restricted stock outstanding at the end of the year, weighted average grant date fair value (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Fair Value Disclosures of Financial Instrument Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Pacific Design Technologies Inc Pacific Design Technologies Inc [Member] Pacific Design Technologies, Inc Member. Funded status at the end of the year Defined Benefit Plan, Funded (Unfunded) Status of Plan Investment Company, Capital Share Transactions [Abstract] Investment Company, Capital Share Transactions [Abstract] Share-based Payment Arrangement, Tranche Four Share-based Payment Arrangement, Tranche Four [Member] Share-based Payment Arrangement, Tranche Four ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Weighted Average Assumptions Used for Estimating Fair Values of Stock Options Granted Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Net investment hedge instruments gain (loss), net of tax of $(12,631), $14,787 and $581 in 2021, 2020 and 2019, respectively Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Foreign Deferred Foreign Income Tax Expense (Benefit) Equity-based compensation plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Goodwill [Line Items] Goodwill [Line Items] Revenue from External Customers by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Amortization of prior service costs, net of tax of $(114), $7 and $(83) in 2021, 2020 and 2019, respectively Amortization of prior service costs, net of tax of $(114), $7 and $(83) in 2021, 2020 and 2019, respectively Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax U.S. General Basket FTC Effective Income Tax Rate Reconciliation, U.S. General Basket FTC Effective Income Tax Rate Reconciliation, U.S. General Basket FTC Percentage of minimum employee contributions Defined Contribution Plan Employer Contribution Minimum Percentage Defined contribution plan employer contribution minimum percentage. Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Reconciliation of Liability for Uncertain Tax Positions Summary of Income Tax Contingencies [Table Text Block] Income Tax Authority [Axis] Income Tax Authority [Axis] Work in process Inventory, Work in Process, Net of Reserves Defined benefit plan contributions by employer employee match Defined Benefit Plan Contributions By Employer Employee Match Defined benefit Plan contributions by employer employee match. Process and analytical instrumentation Process And Analytical Instrumentation [Member] Process and Analytical Instrumentation. Registered investment companies Registered Investment Companies [Member] Registered investment companies. Dividend declared per share (in USD per share) Common Stock, Dividends, Per Share, Declared Portion included in non-current assets Deferred Tax Asset Liability Gross Current Deferred Tax Asset Liability Gross Current Total accrued liabilities Accrued Liabilities, Current U.S. dollar 4.37% senior notes due December 2028 Senior Notes four Point three seven Percent Due December two thousend twenty eight [Member] Share-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Percent Increase in Cash Dividend Common Stock, Dividends, Per Share, Cash Paid, Percentage, Increase Common Stock, Dividends, Per Share, Cash Paid, Percentage, Increase Finished goods and parts Inventory, Finished Goods, Net of Reserves Non Vested Restricted Stock Share-based Payment Arrangement, Option [Member] Amortization of net actuarial loss, net of tax of ($4,103), ($3,539) and ($3,505) in 2021, 2020 and 2019, respectively Amortization of net actuarial loss, net of tax of ($4,103), ($3,539) and ($3,505) in 2021, 2020 and 2019, respectively Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Shareholders Equity [Line Items] Equity [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Fair Value, Hierarchy [Axis] Fair Value Hierarchy and NAV [Axis] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Reportable Segments and Geographic Areas Information Segment Reporting Disclosure [Text Block] Euro 1.53% senior notes due October 2028 Euro One Point Five Three Percent Senior Note Due October Two Thousand Twenty Eight [Member] Euro 1.53% Senior Note Due October 2028. Issuance of common stock under employee stock plans Stock Issued During Period, Value, Treasury Stock Reissued Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Year Focus Document Fiscal Year Focus Capital in excess of par value Additional Paid-in Capital [Member] Estimated future benefit payments, 2026-2030 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Dividends paid per share (in USD per share) Common Stock, Dividends, Per Share, Cash Paid Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Other (expense) income, net Other Nonoperating Income (Expense) Long-term debt (including current portion) Long-term Debt, Fair Value Other, net Payments for (Proceeds from) Other Investing Activities Other Intangible Assets Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Business Combinations [Abstract] Business Combinations [Abstract] Currency remeasurement gains (losses) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Raw materials and purchased parts Inventory, Raw Materials, Net of Reserves (Increase) decrease in receivables Increase (Decrease) in Receivables Award Type [Axis] Award Type [Axis] Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Total stockholders’ equity Balance at the beginning of the year Balance at the end of the year Total stockholders’ equity Stockholders' Equity Attributable to Parent City Area Code City Area Code 2.59% Due November 2028 Two Point Five Nine Percent Due November Two Thousand Twenty Eight [Member] Two point five nine percent due November two thousand twenty eight. Aggregate intrinsic value, Exercisable at the end of the year Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Designated as Hedging Instrument Designated as Hedging Instrument [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] PRSU expense Performance Restricted Stock Unit Expense The noncash expense that represents the cost of performance restricted stock units distributed to employees as compensation. Repurchases of common stock Payments for Repurchase of Common Stock Range of lives for depreciable assets, maximum Property, Plant and Equipment, Useful Life Market share of treasury stock held (in shares) Market Share of Treasury Stock Held It represents the number of treasury stock shares held by Ametek. Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Multi Asset Funds Multi Asset Funds [Member] Multi Asset Funds Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Interest and other investment income Investment Income, Net Land Land Lease liabilities included in Other long-term liabilities Operating Lease, Liability, Noncurrent Debt instrument, face amount Debt Instrument, Face Amount Total current Current Income Tax Expense (Benefit) Total net periodic benefit income Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Total recognized Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Performance Restricted Stock Units Performance Restricted Stock Units [Member] PerformanceRestrictedStockUnits Research and Development Research, Development, and Computer Software, Policy [Policy Text Block] Operating Segments Operating Segments [Member] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Weighted-average remaining lease terms – operating leases (years) Lessee, Operating Lease, Term of Contract Other Deferred Tax Assets Liabilities Noncurrent Other Net Deferred Tax Assets Liabilities Noncurrent Other Net Accumulated Benefit Obligation Exceeds Fair Value of Assets, Fair Value of Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Deferred tax liabilities, gross Deferred Tax Liabilities, Gross Business Acquisition [Line Items] Business Acquisition [Line Items] Beginning in 2018 Stock Options Share-based Payment Arrangement, Tranche Two [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Registrant Name Entity Registrant Name 2021 Consolidated Acquisition Two Thousand And Twenty One Consolidated Acquisition [Member] Two Thousand And Twenty One Consolidated Acquisition Accounts receivable included in purchase price Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Performance assumption change (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Assumptions Change, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Assumptions Change, Weighted Average Grant Date Fair Value British pound 4.68% senior note due September 2020 British Pound Four Point Six Eight Percent Senior Note Due September Two Thousand Twenty [Member] British Pound 4.68% Senior Note Due September 2020. Basis of Consolidation Basis of Presentation and Significant Accounting Policies [Text Block] Retirement Plan Sponsor Location [Axis] Related Party Transaction [Axis] Future amortization expense, year four Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Four Weighted average exercise price, Forfeited (in USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Provision for income taxes Total provision Income Tax Expense (Benefit) Estimated future benefit payments, 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Nonvested stock options outstanding Non-vested stock options outstanding at the beginning of the year (in shares) Non-vested stock options outstanding at the end of the year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Entity Tax Identification Number Entity Tax Identification Number Change in plan assets: Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Investment Type [Axis] Investment Type [Axis] Document Fiscal Period Focus Document Fiscal Period Focus Total current assets Assets, Current Total lease payments Lessee, Operating Lease, Liability, to be Paid Nonvested restricted stock, Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Restricted Stock Granted Prior Date Restricted Stock Granted Prior Date [Member] Restricted Stock Granted Prior Date Products and services transferred over time Transferred over Time [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Expected future pre-tax compensation expense, nonvested stock options Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Weighted average grant date fair value, Vested (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Number of Weighted Average Shares Schedule of Weighted Average Number of Shares [Table Text Block] Stock compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent Expected future pre-tax compensation expense, nonvested restricted shares Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Non Employee Directors Restricted Stock Non Employee Directors Restricted Stock [Member] Non Employee Directors Restricted Stock Aerospace and power Aerospace and Power [Member] Aerospace and Power. Black-Scholes-Merton fair value per stock option granted (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Component [Domain] Equity Component [Domain] Non-vested stock options outstanding at the beginning of the year, weighted average grant date fair value (in USD per share) Non-vested stock options outstanding at the the end of the year, weighted average grant date fair value (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price Other Stockholders' Equity, Other 2022 Lessee, Operating Lease, Liability, to be Paid, Year One Disposal Group Name [Domain] Disposal Group Name [Domain] Percentage of employee contributions for eligible compensation, Minimum Defined Contribution Plan Minimum Employer Contribution As Percentage Of Eligible Compensation Defined contribution plan minimum employer contribution as percentage of eligible compensation. Domestic Plan Domestic Plan [Member] Revenue, remaining performance obligation Revenue, Remaining Performance Obligation, Amount Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Fair Value of Plan Assets Schedule of Allocation of Plan Assets [Table Text Block] 2025 Lessee, Operating Lease, Liability, to be Paid, Year Four Total Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Level 2 Fair Value, Inputs, Level 2 [Member] Customer advanced payments Contract with Customer, Liability, Noncurrent Auditor Location Auditor Location Segment Reporting [Abstract] Segment Reporting [Abstract] Useful life, maximum Finite-Lived Intangible Asset, Useful Life Use of Estimates Use of Estimates, Policy [Policy Text Block] Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Title of 12(b) Security Title of 12(b) Security Unfunded plans Unfunded Plans [Member] Unfunded plans. Income tax expense relating to sale of business Income Tax Expense Relating To Sale Of Business Income Tax Expense Relating To Sale Of Business Foreign Tax Credit Carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Foreign Deferred income taxes Deferred Income Taxes and Tax Credits Common stock, shares authorized Common Stock, Shares Authorized Document Type Document Type Summary of Nonvested Restricted Stock Activity and Related Information Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Product and Service [Domain] Product and Service [Domain] Interest rate on senior notes Debt Instrument, Interest Rate, Stated Percentage Weighted average life Finite-Lived Intangible Asset, Weighted Average Period before Next Renewal or Extension Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Revolving Credit Facility Borrowings Revolving Credit Facility [Member] Income Taxes Income Tax Uncertainties, Policy [Policy Text Block] Unremitted earnings Deferred Tax Liabilities, Undistributed Foreign Earnings Projected Benefit Obligation Exceeds Fair Value of Assets, Fair Value of Plan Assets Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets Measurement Frequency [Axis] Measurement Frequency [Axis] Components of Lease Expense Lease, Cost [Table Text Block] Geographical [Axis] Geographical [Axis] Accrued liabilities and other Accrued Liabilities and Other Liabilities State and Local Jurisdiction State and Local Jurisdiction [Member] Vesting [Domain] Vesting [Domain] Weighted average interest rate on total debt borrowings outstanding Long-term Debt, Weighted Average Interest Rate, at Point in Time Hedging Relationship [Axis] Hedging Relationship [Axis] Acquisitions and Divestiture Mergers, Acquisitions and Dispositions Disclosures [Text Block] Revolving credit facility expiration period Line of Credit Facility, Expiration Period Business acquisition, goodwill, expected tax deductible amount Business Acquisition, Goodwill, Expected Tax Deductible Amount Prior service costs Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] EIG Electronic Instruments Group [Member] Electronic Instruments. Total financing activities Net Cash Provided by (Used in) Financing Activities Treasury stock: 2021 – 36,137,864 shares; 2020 – 36,227,061 shares Treasury stock, cost Treasury Stock, Value Weighted average common shares outstanding: Weighted average shares: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Cliff vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Unrecognized tax benefits, income tax penalties and interest expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Fair Value Measurements Fair Value Disclosures [Text Block] Noncurrent deferred tax asset liability Noncurrent deferred tax asset liability [Abstract] Future amortization expense, year three Finite-Lived Intangible Asset, Expected Amortization, Year Three Foreign Foreign Tax Authority [Member] U.S. dollar 3.96% senior notes due August 2025 Three Point Nine Six Percent Due August Two Thousand Twenty Five [Member] Senior Notes 3.96% Due August 2025. Derivative [Table] Derivative [Table] Assumed rate of return next year Assumed Rate Of Return Next Year Assumed rate of return next year. Document Period End Date Document Period End Date Accumulated Benefit Obligation Exceeds Fair Value of Assets, Projected Benefit Obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Restricted stock expense Restricted Stock or Unit Expense Fixed Income Securities Fixed Income Securities [Member] Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] State income taxes, net of federal income tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State Deferred State and Local Income Tax Expense (Benefit) Debt instrument, term Debt Instrument, Term Tax related to amortization of prior service costs Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax Total expenses related to environmental matters Accrual for Environmental Loss Contingencies, Payments Segment operating income: Segment Reporting Information, Operating Income (Loss) [Abstract] Life insurance Life Insurance [Member] Life insurance. Property, plant and equipment, net Property, plant and equipment, Net Long-lived assets from continuing operations (excluding intangible assets) Property, Plant and Equipment, Net Repayments of long-term borrowings Repayments of Long-term Debt Earnings Per Share [Abstract] Earnings Per Share [Abstract] Property, plant and equipment, gross Property, Plant and Equipment, Gross Foreign Exchange Contract Foreign Exchange Contract [Member] Amount of tax, interest and penalties classified as a noncurrent liability Income Taxes, Tax Interest and Penalties Classified as Noncurrent Liability Amount of tax interest and penalties classified as noncurrent liability. Weighted average exercise price, Outstanding at the beginning of the year (in USD per share) Weighted average exercise price, Outstanding at the end of the year (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Patents Patents [Member] Cash Equivalents, Securities and Other Investments Cash Equivalents Securities And Other Investments [Policy Text Block] Cash equivalents securities and other investments policy. Percentage of equity securities in company common stock included in plan assets Percentage Of Equity Securities In Company Common Stock Included In Plan Assets Percentage of equity securities in company common stock included in plan assets. Entity Current Reporting Status Entity Current Reporting Status Fair value of plan assets at the beginning of the year Fair value of plan assets at the end of the year Fair value of plan assets Defined Benefit Plan, Plan Assets, Amount Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Consolidated effective tax rate Effective Income Tax Rate Reconciliation, Percent Defined benefit plan estimated future employer contributions in next fiscal year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Short-term borrowings and current portion of long-term debt, net Less: Current portion, net Debt, Current 2020 Consolidated Acquisition 2020 Consolidated Acquisition [Member] 2020 Consolidated Acquisition United States U.S. Defined Benefit Pension Plans UNITED STATES Future amortization expense, year three Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Three Audit Information [Abstract] Audit Information Leases [Abstract] Leases [Abstract] Additions to property, plant and equipment Property, Plant and Equipment, Additions Entity Address, Postal Zip Code Entity Address, Postal Zip Code Diluted shares Diluted shares Weighted Average Number of Shares Outstanding, Diluted Increase in dividend rate, percentage Common Stock Dividend Rate Percentage Increase Common Stock Dividend Rate Percentage Increase Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Additions to property, plant and equipment from acquired business Acquired Property Plant And Equipment Acquired property, plant and equipment. 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Total deferred Deferred Income Tax Expense (Benefit) Hedging Designation [Domain] Hedging Designation [Domain] Schedule Of Income Tax [Line Items] Schedule Of Income Tax [Line Items] Schedule Of Income Tax [Line Items] U.S. Federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Trademarks and trade names Trademarks and Trade Names [Member] Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Net income Net income Net Income (Loss) Attributable to Parent Accounts Receivable Receivable [Policy Text Block] Right of use assets, net Right of use assets, net Operating Lease, Right-of-Use Asset Pensions Pension and Other Postretirement Plans, Policy [Policy Text Block] Net operating loss carryforwards Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Interest cost Defined Benefit Plan, Interest Cost Employee compensation and benefits Employee-related Liabilities, Current Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement [Domain] Statistical Measurement [Domain] Curtailment Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Capital in excess of par value Additional Paid in Capital, Common Stock Gross non-current deferred tax liability Deferred Tax Asset Liability Gross Noncurrent Deferred tax asset liability gross noncurrent. 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Net investment hedge instruments gain (loss), net of tax of $(12,631), $14,787 and $581 in 2021, 2020 and 2019, respectively Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Stock Options Granted Prior Date Share-based Payment Arrangement, Tranche One [Member] Customer advanced payments Contract with Customer, Liability, Current 2026 Lessee, Operating Lease, Liability, to be Paid, Year Five Weighted average exercise price, Exercised (in USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Purchases, sales, issuances and settlements, net Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement PROPERTY, PLANT AND EQUIPMENT, NET Additions to property, plant and equipment: Property, Plant and Equipment, Net [Abstract] Derivative [Line Items] Derivative [Line Items] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Income Tax Contingency [Table] Income Tax Contingency [Table] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Purchase of treasury stock Repurchase of common stock under share repurchase authorization Treasury Stock, Value, Acquired, Cost Method Foreign Defined Benefit Pension Plans Foreign Plan [Member] Composition Of Deferred Tax Assets And Liabilities [Table] Composition Of Deferred Tax Assets And Liabilities [Table] Composition Of Deferred Tax Assets And Liabilities [Table] Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Tax and interest related to statute expirations and settlement of prior uncertain positions reversed Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority Estimated future benefit payments, 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Minimum Minimum [Member] Accumulated Benefit Obligation ("ABO") Accumulated Benefit Obligation [Table Text Block] Accumulated benefit obligation. 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two Borrowings outstanding Long-term Line of Credit Percentage of FIFO method of inventory in total inventory Percentage of FIFO Inventory Selling, general and administrative Selling, General and Administrative Expense Less: Debt issuance costs Debt Issuance Costs, Net EMG Electromechanical Group [Member] Electro-mechanical. 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Future amortization expense, year one Finite-Lived Intangible Asset, Expected Amortization, Year One Weighted average exercise price, Granted (in USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Aggregate intrinsic value, Outstanding at the end of the year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Consolidation Items [Axis] Consolidation Items [Axis] Long-lived assets from continuing operations (excluding intangible assets): Property, Plant and Equipment Assets Held-for-sale Disclosure [Abstract] Net Periodic Pension Benefit Expense Net Periodic Pension Benefit Expense [Member] Net periodic pension benefit expense Operating loss carryforwards Operating Loss Carryforwards Common stock, shares issued Common Stock, Shares, Issued Summary of Changes in Fair Value of U.S. Plans' Investments Using Significant Unobservable Inputs Schedule of Changes in Fair Value of Plan Assets [Table Text Block] Preferred stock, shares issued Preferred Stock, Shares Issued Euro 1.34% senior notes due October 2026 Euro One Point Three Four Percent Senior Note Due October Two Thousand Twenty Six [Member] Euro 1.34% Senior Notes Due October 2026. 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Corporate Corporate, Non-Segment [Member] Projected Benefit Obligation Exceeds Fair Value of Assets, Projected Benefit Obligation Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Retirement Plans and Other Postretirement Benefits Retirement Benefits [Text Block] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 1.53% Due October 2028 One Point Five Three Percent Due October Two Thousand Twenty Eight [Member] One point five three percent due October two thousand twenty eight. Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Document Annual Report Document Annual Report Vesting [Axis] Vesting [Axis] Hedge against net investment in foreign subsidiaries Derivative, Amount of Hedged Item Total assets Assets Assets Geographical [Domain] Geographical [Domain] Research and development costs Research and Development Expense Future amortization expense, year two Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two U.S. dollar 4.18% senior notes due December 2025 Senior Notes four Point one eight Percent Due December two thousend twenty five [Member] Senior Notes four Point one eight Percent Due December two thousend twenty five Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Derivative Contract [Domain] Derivative Contract [Domain] Significant Accounting Policies Significant Accounting Policies [Text Block] U.S. dollar 3.91% senior notes due June 2025 Three Point Nine One Percent Due June Two Thousand Twenty Five [Member] Senior Notes 3.91% Due June 2025. Expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] All Currencies [Domain] All Currencies [Domain] Total operating activities Net Cash Provided by (Used in) Operating Activities Tax credit carryforwards Tax Credit Carryforward, Amount Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Basic shares Weighted Average Number of Shares Outstanding, Basic Diluted earnings per share (in USD per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] Service cost Defined Benefit Plan, Service Cost Indefinite-lived intangible trade names acquired Indefinite-lived Intangible Assets Acquired Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible Enumeration] Non-US Non-US [Member] Gain on sale of facilities Gain Loss On Sale Of Facilities Gain (loss) on sale of facilities. Other intangibles, net Total Intangible Assets, Net (Excluding Goodwill) Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Contract liabilities Contract with Customer, Liability Realignment Restructuring Reserve, Current Amounts arising during the period – gains (losses), net of tax (expense) benefit: Other Comprehensive Income (Loss), Net of Tax [Abstract] Acquisition contingent consideration Payments To Acquire Business Contingent Consideration The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Net Projected Benefit Obligation and Fair Value of Plan Assets for Funded and Unfunded Defined Benefit Plans Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Deferred income taxes Deferred Income Tax Liabilities, Net Other Noncurrent Liabilities Other Noncurrent Liabilities [Member] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Corporate debt instruments Corporate Debt Securities [Member] Reconciliation of Effective Tax Rate to U.S. Federal Statutory Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Accounts payable Accounts Payable, Current Unrealized losses relating to instruments still held at the end of the year Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held Fair Value of Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Accumulated other comprehensive loss income AOCI Attributable to Parent [Member] Corporate debt instruments – Preferred Corporate Debt Securities Preferred [Member] Corporate debt instruments preferred. Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Number of shares outstanding Common Stock, Shares, Outstanding Defined benefit pension plans: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent [Abstract] Mutual fund investments Long-term Investments Financial Instruments [Domain] Financial Instruments [Domain] Cost of sales Shipping and handling costs Cost of Goods and Services Sold Proceeds from sale of business Proceeds from Divestiture of Businesses Entity Central Index Key Entity Central Index Key Expenses paid from assets Expenses paid from assets Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Total lease cost Lease, Cost Customer Relationship Customer Relationships [Member] Net change Net Increase Decrease In Contract With Customer Assets Liabilities Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Other long-term liabilities Other Liabilities, Noncurrent Net projected benefit obligation at the beginning of the year Net projected benefit obligation at the end of the year Projected benefit obligation Defined Benefit Plan, Benefit Obligation Percentage of LIFO method of inventory in total inventory Percentage of LIFO Inventory Repurchase of common stock (in shares) Treasury Stock, Shares, Acquired Long-term Debt Schedule of Long-term Debt Instruments [Table Text Block] Debt Instrument [Line Items] Debt Instrument [Line Items] Trading Symbol Trading Symbol Number of non Owned sites company is identified as de minimis party, settlement amount unknown Number Of Non Owned Sites Company Is Identified As De Minimis Party, Settlement Amount Unknown Number Of Non Owned Sites Company Is Identified As De Minimis Party, Settlement Amount Unknown Transition asset Accumulated Defined Benefit Plans Adjustment, Net Transition Attributable to Parent [Member] Retirement Plan Sponsor Location [Domain] Related Party Transaction [Domain] Tax related to amortization of net actuarial loss Tax related to amortization of net actuarial loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Available borrowing capacity under revolving credit facility Line of Credit Facility, Current Borrowing Capacity Financial Instruments and Foreign Currency Translation Financial Instruments And Foreign Currency Transactions And Translations [Policy Text Block] Financial instruments and foreign currency transactions and translations policy. Share-based Payment Arrangement, Tranche Three Share-based Payment Arrangement, Tranche Three [Member] Investments and other assets Investments and Other Noncurrent Assets Employee contributions Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Long-term debt, net Total long-term debt, net Long-term Debt, Excluding Current Maturities Increase of income tax expense Increase Decrease Of Income Tax Expense Due To Unrecognized Tax Benefits Increase decrease of income tax expense due to unrecognized tax benefits. Schedule of Goodwill [Table] Schedule of Goodwill [Table] Weighted average remaining contractual life, Exercisable at the end of the year (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Investments [Domain] Investments [Domain] Beginning of year End of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Interest and other income (expenses), net Interest And Other Expenses Net Interest and other expenses net. Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share future payment obligations Guarantor Obligations, Maximum Exposure, Undiscounted Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Current assets: Assets, Current [Abstract] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Other, net Proceeds from (Payments for) Other Financing Activities Definite-lived intangible assets (subject to amortization) Finite-Lived Intangible Assets, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Amortization of: Defined Benefit Plan Amortization [Abstract] Defined benefit plan amortization. Recurring Fair Value, Recurring [Member] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Reductions due to statute expirations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Measurement Basis [Axis] Measurement Basis [Axis] Future amortization expense, year five Finite-Lived Intangible Asset, Expected Amortization, Year Five Auditor Firm ID Auditor Firm ID Excess of the FIFO value over the LIFO value Excess of Replacement or Current Costs over Stated LIFO Value Total investing activities Net Cash Provided by (Used in) Investing Activities Change in projected benefit obligation: Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Changes in assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Weighted average grant date fair value, Vested (in USD 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 Reading Alloys Reading Alloys [Member] Reading Alloys. Two Thousand Twenty One Consolidated Acquisitions Two Thousand Twenty One Consolidated Acquisitions [Member] Two Thousand Twenty One Consolidated Acquisitions Tax benefit (expense) from investment hedge instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Total borrowing capacity under revolving credit facility Line of Credit Facility, Maximum Borrowing Capacity Foreign currency translation adjustments Goodwill, Foreign Currency Translation Gain (Loss) Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Buildings Buildings and Improvements, Gross Other current assets Other Assets, Current Rate of compensation increase (where applicable) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Customer lists Customer Lists [Member] Net amount recognized at the end of the year Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Percentage of maximum employee contributions Defined Contribution Plan Employer Contribution Maximum Percentage Defined contribution plan employer contribution maximum percentage. Depreciation and amortization: Depreciation, Depletion and Amortization, Nonproduction [Abstract] Allowance for estimated credit losses SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Income taxes payable Accrued Income Taxes, Current Inventories Inventory, Policy [Policy Text Block] Deferred tax assets, operating loss carryforwards, state and local Deferred Tax Assets, Operating Loss Carryforwards, State and Local Foreign Current Foreign Tax Expense (Benefit) Pension Plan Pension Plan [Member] Increase (decrease) in environmental reserves Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Investments measured at net asset value Investments Measured At Net Asset Value [Member] Investments measured at net asset value. Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Decrease in deferred tax assets Income Taxes, Tax Interest and Penalties Reflected as a Decrease in Deferred Tax Assets Income Taxes, Tax Interest and Penalties Reflected as a Decrease in Deferred Tax Assets Accounting Standards Update 2016-13 [Member]