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Average useful life Property, Plant and Equipment, Useful Life Shareholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Effective Income Tax Rate Reconciliation, Valuation Allowance Due To Foreign Losses, Percentage Effective Income Tax Rate Reconciliation, Valuation Allowance Due To Foreign Losses, Percentage Effective Income Tax Rate Reconciliation, Valuation Allowance Due To Foreign Losses, Percentage Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Savings Plan Savings Plan [Member] Savings plan [member] Reclassification from customer relationship intangibles to goodwill Reclassification from customer relationship intangibles to goodwill Reclassification from customer relationship intangibles to goodwill Reclassification from customer relationship intangibles to goodwill Land and land improvements Land Stock Option Based Awards [Member] Stock Option Based Awards [Member] Stock Option-Based Awards [Member] Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Current income taxes, Total Current Income Tax Expense (Benefit) LengthBrazilianTaxIncentive LengthBrazilianTaxIncentive Length of Brazilian Tax Incentive Multi-employer pension plan, pension expenses Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Pension and other postretirement benefit adjustments Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Indebtedness To Adjusted Ebitda Ratio Greater Than Three But Less Than Or Equal To Three Point Five [Member] Indebtedness To Adjusted Ebitda Ratio Greater Than Three But Less Than Or Equal To Three Point Five [Member] Indebtedness To Adjusted Ebitda Ratio Greater Than Three But Less Than Or Equal To Three Point Five [Member] Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Noncurrent Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Noncurrent Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Noncurrent Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Lessee, Operating Lease, Term of Contract Lessee, Operating Lease, Term of Contract 25.01 To 30.01 Exercise Prices Range Five [Member] Exercise Prices Range Five [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Losses Associated With Plant Shutdowns, Asset Impairments And Restructurings, Unusual Items, Gains From Sale Of Assets And Other Items Losses Associated with Plant Shut downs Asset Impairments and Restructurings Unusual Items Gains from Sale for Assets and Other Items [Text Block] Losses associated with plant shut downs asset impairments and restructurings unusual items gains from sale for assets and other items. 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Other Proceeds From Stock Options Exercised And Other The net cash inflow associated with the amount received from holders exercising their stock options and other miscellaneous stock related activities. Title of 12(b) Security Title of 12(b) Security Vacation accrual policy change in SG&A Vacation accrual policy change in SG&A Vacation accrual policy change in SG&A Timing adjustment for unrecognized tax benefits on uncertain tax positions, including portion relating to interest and penalties Deferred Tax Assets Timing Adjustment For Unrecognized Tax Benefits On Uncertain Tax Positions, Including Portion Relating To Interest And Penalties Deferred Tax Assets Timing Adjustment For Unrecognized Tax Benefits On Uncertain Tax Positions, Including Portion Relating To Interest And Penalties Reclassification from customer relationships to goodwill, net amortization Reclassification from customer relationships to goodwill, net amortization Reclassification from customer relationships to goodwill, net amortization Common stock, shares authorized (shares) Common Stock, Shares Authorized Weighted Average Number of Shares Issued, Basic Weighted Average Number of Shares Issued, Basic Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Title of Individual [Axis] Title of Individual [Axis] Document Type Document Type Summary Of Additional Information On Non-Vested Restricted Stock Outstanding Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Product and Service [Domain] Product and Service [Domain] Gain (Loss) on Sale of Properties Gain (Loss) on Sale of Properties Tax benefit on U.S. federal, state and foreign NOL and credit carryforwards Deferred Tax Assets Tax Benefit On State And Foreign Non-operating Loss And credit Carryforwards Deferred Tax Assets Tax Benefit On State And Foreign Non-operating Loss And credit Carryforwards Valuation allowance for capital loss carryforwards Valuation allowance for capital loss carry-forwards Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the valuation allowance for capital loss carry-forwards. 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Oct-2018 [Member] Oct-2018 [Member] Oct-2018 [Member] Property, Plant & Equipment, Net of Discontinued operations by Geographic Area, Total Property Plant Equipment Net Including Discontinued Operations Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Includes PP&E reclassified to long-term assets for discontinued operations. Small-capitalization equity securities Small-capitalization equity securities Small Capitalization Equity Securities [Member] Small-Capitalization Equity Securities [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Options Granted, Period [Domain] Options Granted Period [Domain] Options Granted, Period [Domain] Mergers, Acquisitions and Dispositions Disclosures Mergers, Acquisitions and Dispositions Disclosures [Text Block] 17.51 To 20.00 Exercise Prices Range Three [Member] Exercise Prices Range Three [Member] Effective Income Tax Rate Reconciliation Percent - FDII Effective Income Tax Rate Reconciliation Percent - FDII Effective Income Tax Rate Reconciliation Percent - FDII Subsequent Events [Text Block] Subsequent Events [Text Block] Foreign rate differences Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Unrealized Gain Loss On Investment Property After Tax Unrealized Gain Loss On Investment Property After Tax Unrealized Gain Loss On Investment Property After Tax Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, exercised, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, exercised, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, exercised, Weighted Average Exercise Price Investments In Private Entities With Less Than Or Equal To 50% Voting Ownership Interest Investment, Policy [Policy Text Block] (Gain) loss on investment in kaléo Gain (loss) on investment accounted for under the fair value method Gain (loss) on investment accounted for under the fair value method Unrealized gain (loss) on investments under fair value method Unrealized Gain (Loss) on Investments EV-to-Adjusted EBITDA Multiple EV-to-Adjusted EBITDA Multiple EV-to-Adjusted EBITDA Multiple Indebtedness To Adjusted Ebitda Ratio Less Than Or Equal To One [Member] Indebtedness To Adjusted Ebitda Ratio Less Than Or Equal To One [Member] Indebtedness-To-Adjusted EBITDA Ratio Less Than Or Equal To One [Member] Net cash used in financing activities: Net Cash Provided by (Used in) Financing Activities Summary of Derivative Instruments [Abstract] Summary of Derivative Instruments [Abstract] Option vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted EBITDA Levels Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted Ebitda Levels [Table Text Block] Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted Ebitda Levels [Table Text Block] Deferred Tax Assets, Net, Noncurrent Deferred Tax Assets, Net, Noncurrent Interest and penalties accrued on deductions taken relating to uncertain tax positions (approximately $26, $2 and $(144) reflected in income tax expense in the income statement in 2021, 2020 and 2019, respectively, with the balance shown in current income tax and other noncurrent liability accounts in the balance sheet) Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, modification, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, modification, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, modification, Weighted Average Exercise Price Expenses and other, net Other Cost and Expense, Operating Share Based Compensation Arrangement By Share Based Payment Award, Options, Outstanding, Exercise Price Exercise Price, Outstanding, Beginning Balance Exercise Price, Outstanding, Ending Balance Share Based Compensation Arrangement By Share Based Payment Award, Options, Outstanding, Exercise Price Share Based Compensation Arrangement By Share Based Payment Award, Options, Outstanding, Exercise Price Charges Restructuring Charges Issued upon exercise of stock options (including related income tax benefits) & other, shares Stock Issued During Period for Stock Options Exercised and Other Miscellaneous Stock Transactions, Shares Shares issued during the period related to the exercise of stock options and issuances related to other share-based compensation arrangements, net of forfeitures and shares redeemed to satisfy tax obligations. 2019 Finite-Lived Intangible Asset, Expected Amortization, Year Three Unrealized gain (loss) on investments, net of tax Unrealized Gain Loss On Investments Net Of Tax Unrealized Gain Loss On Investments Net Of Tax. Common stock, no par value (shares) Common Stock, No Par Value Borrowings Proceeds from Long-term Lines of Credit Foreign Country Foreign Tax Authority [Member] Stock Non-Option Based Awards Stock Non-Option Based Awards [Member] Stock Non-Option Based Awards Increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Proceeds from Sale of Investment Projects Proceeds from Sale of Investment Projects Derivative [Table] Derivative [Table] Revenues and other: Revenues [Abstract] Other Cost of Operating Revenue Other Cost of Operating Revenue Document Period End Date Document Period End Date Number of reporting units Number of Reporting Units Tredegar vs. 3M [Member] Tredegar vs. 3M [Member] Tredegar vs. 3M [Member] Reclassification of foreign currency translation loss realized on the sale of Personal Care Films Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Schedule Of Selected Quarterly Financial Data Quarterly Financial Information [Table Text Block] Fixed income securities Fixed Income Securities [Member] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] State Deferred State and Local Income Tax Expense (Benefit) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State taxes, net of federal income tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Interest expense Interest and Debt Expense Common stock held in trust for savings restoration plan (108,433 shares in 2021 and 105,067 in 2020) Common Stock Held in Trust Stock Issued Upon Exercise of Stock Options, Tax Effect Stock Issued Upon Exercise of Stock Options, Tax Effect Stock Issued Upon Exercise of Stock Options, Tax Effect 2021 2021 [Member] 2021 Debt Instrument, Term Debt Instrument, Term Income Statement Location [Domain] Income Statement Location [Domain] Percentage of outstanding common stock shares to be acquired for exercise of rights (more than) Percentage Of Outstanding Common Stock Shares To Be Acquired For Exercise Of Rights Percentage of outstanding common stock shares to be acquired for exercise of rights. 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Grant Date Fair Value, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Total Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Total Fair Value Options Exercisable, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Disposal Group, Including Discontinued Operation, Accrued Severance Disposal Group, Including Discontinued Operation, Accrued Severance Disposal Group, Including Discontinued Operation, Accrued Severance Flexible Packaging Films [Member] [Domain] Aluminum Futures Contracts [Member] Flexible Packaging Films [Member] [Domain] Flexible Packaging Films [Member] [Domain] Disposal Group, Including Discontinued Operation, adjustment to fair value Disposal Group, Including Discontinued Operation, adjustment to fair value Disposal Group, Including Discontinued Operation, adjustment to fair value Falling Springs Falling Springs Llc [Member] Falling Springs, LLC [Member] Balance, shares Balance, shares Shares, Issued United States UNITED STATES Income taxes payable Taxes Payable, Current Private equity and hedge funds Private equity and hedge funds Hedge And Private Equity Funds [Member] Hedge And Private Equity Funds [member] Leases [Abstract] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Polyethylene overwrap and polypropylene films Polyethylene Overwrap And Polypropylene Films [Member] Polyethylene Overwrap And Polypropylene Films [Member] Income Taxes Income Tax, Policy [Policy Text Block] Proceeds from Sale of Other Asset, Discontinued Operations Proceeds from Sale of Other Asset, Discontinued Operations Proceeds from Sale of Other Asset, Discontinued Operations Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Deferred Tax Benefit Expense Unremitted Earnings FCTA Deferred Tax Benefit Expense Unremitted Earnings FCTA Deferred tax expense (benefit) recognized in the current period associated with unremitted earnings and previously accrued deferred tax liabilities arising from foreign currency translations adjustments Shares used to compute diluted earnings per share Weighted Average Number of Shares Outstanding, Diluted Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Insurance Recoveries Insurance Recoveries Amortization Amortization Disposal Group, Including Discontinued Operation, Other Income Disposal Group, Including Discontinued Operation, Other Income Income Taxes Income Tax Disclosure [Text Block] Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Deferred income tax liabilities (noncurrent) Deferred Tax Liabilities, Net, Noncurrent Summary Of Stock Options Outstanding Share-based Payment Arrangement, Option, Activity [Table Text Block] Management Other Management [Member] Other Management [Member] Defined Benefit Plan Assumption Expected Long Term Return On Assets At Year End Expected Long-term Return %, Total for continuing operations Defined Benefit Plan Assumption Expected Long Term Return On Assets At Year End An assumption as to the rate of return on plan assets at the end of the year that reflects the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. 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Disposal Group, Including Discontinued Operation, Research and Develpoment Disposal Group, Including Discontinued Operation, Research and Develpoment Disposal Group, Including Discontinued Operation, Research and Develpoment Available cash used to fund purchase price Business Acquisition Cost Of Acquisition Cash Balances To Fund Purchase Price Business acquisition cost of acquisition cash balances to fund purchase price. Payments for (Proceeds from) Investments Payments for (Proceeds from) Investments Statement [Table] Statement [Table] Disposal Group Including Discontinued Operation Cash Proceeds Disposal Group Including Discontinued Operation Cash Proceeds Disposal Group Including Discontinued Operation Cash Proceeds Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Foreign currency translation gain adjustment Deferred Tax Assets, Other 2021 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Number of common stock purchased Common Stock Shares Purchased For Employee Trust Shares Common stock shares purchased for employee trust shares. Other Other Products [Member] Other Products [Member] Goodwill [Member] Goodwill [Member] Unrecognized compensation cost Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Range [Axis] Statistical Measurement [Axis] Other Nonrecurring Expense Other Nonrecurring Expense Effective Tax Rate Reconciliation Worthless Stock Deductions, Amount Effective Tax Rate Reconciliation Worthless Stock Deductions, Amount Effective Tax Rate Reconciliation Worthless Stock, Amount Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Goodwill Goodwill Net carrying value of goodwill, beginning of period Net carrying value of goodwill, end of period Goodwill Deferred revenue Deferred Revenue Other Debt Other Debt [Member] Other Debt [Member] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), after reclassification, after tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), after reclassification, after tax Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Foreign rate differences Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Pension Costs And Postretirement Benefit Costs Other Than Pensions Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block] Nonresidential building & construction Nonresidential Building And Construction [Member] Nonresidential Building And Construction [Member] Other Nonoperating Expense Other Nonoperating Expense Effective Income Tax Rate Reconciliation, Tax Credit, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Amount Reconciliation Of The Beginning And Ending Balance Of Goodwill Schedule of Goodwill [Table Text Block] Disposal Group, Including Discontinued Operation, Other Receivable Disposal Group, Including Discontinued Operation, Other Receivable Disposal Group, Including Discontinued Operation, Other Receivable Subsequent Event Type [Axis] Subsequent Event Type [Axis] Summary Of Location And Fair Value Of Derivative Financial Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award, Options, Outstanding, Modified, Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award, Options, Outstanding, Modified, Weighted Average Exercise Price Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Deferred income taxes, Total Deferred Income Tax Expense (Benefit) Position [Axis] Position [Axis] Total revenues, net of other expenses Total Revenues Net Of Other Expenses Total sales, net of returns, allowances and discounts, plus other non-operating income and expenses. Hedging Designation [Domain] Hedging Designation [Domain] Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage Disposal Group, Including Discontinued Operation, Goodwill Disposal Group, Including Discontinued Operation, Goodwill Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Work-in-process Inventory, Work in Process, Gross Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Fair Value Plan Asset Measurement [Domain] Fair Value Hierarchy and NAV [Domain] Net income (loss) Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent Accounts And Other Receivables Receivable [Policy Text Block] Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Operating Loss Carryforwards Deferred Tax Assets, Operating Loss Carryforwards Interest cost Defined Benefit Plan, Interest Cost Payrolls, related taxes and medical and other benefits Employee-related Liabilities, Current Income Statement Location [Axis] Income Statement Location [Axis] Foreign Currency Exchange Rate, Translation Foreign Currency Exchange Rate, Translation Range [Domain] Statistical Measurement [Domain] Disposal Group, Including Discontinued Operation, Prepaid and Other Assets Disposal Group, Including Discontinued Operation, Prepaid and Other Assets Cost, Depreciation and Amortization Cost, Depreciation and Amortization Distributions Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset, Distributions Distributions of interest income and dividend that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Summary Of Total Debt Due And Outstanding Schedule of Maturities of Long-term Debt [Table Text Block] Schedule Of Net Sales By Geographic Area Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Derivative financial instruments adjustment Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Common stock held in trust for savings restoration plan (shares) Common Stock, Shares Held in Employee Trust, Shares Disposal Group, Including Discontinued Operation, Consideration Disposal Group, Including Discontinued Operation, Consideration Entity Address, State or Province Entity Incorporation, State or Country Code deferred tax liabilites, right-of-use asset deferred tax liabilites, right-of-use asset deferred tax liabilites, right-of-use asset Investment in kaleo Investment in kaleo Investment in kaleo Net Operating Loss Carrforward Expiration Period Net Operating Loss Carrforward Expiration Period Net Operating Loss Carrforward Expiration Period Total Total Income Loss Associated With Segments Total income and loss before income expenses associated with a specific segment. Includes income/loss from ongoing operations; plant shutdowns, asset impairments, restructurings and other non-recurring charges; and goodwill impairment charges. Restructuring Type [Axis] Restructuring Type [Axis] Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount Aluminum Extrusions Aluminum Extrusions [Member] Aluminum Extrusions [Member] Aluminum Extrusions Member. Other assets Other Assets, Noncurrent Accrual for indemnifications under the purchase agreement related to environmental matters, net of tax Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, Net of Tax Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Business Segments [Axis] Segments [Axis] Segments [Axis] Percentage of social contribution on income included in federal statutory income tax rate Effective income tax rate reconciliation social contribution on income Effective income tax rate reconciliation social contribution on income. 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Asset Impairment Charges After Taxes Asset Impairment Charges After Taxes Asset impairment charges after taxes. Weight of aluminum that hedged future purchase of aluminum to meet fixed-price forward sales contract obligations, lbs Derivative, Nonmonetary Notional Amount, Mass Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, Grants in Period, Weighted Average Exercise Price Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Payments of Financing Costs Payments of Financing Costs Foreign Earnings Repatriated Foreign Earnings Repatriated Employee benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Disposal Group, Including Discontinued Operation, Costs of Goods Sold Disposal Group, Including Discontinued Operation, Costs of Goods Sold Deferred Tax Benefit Expense Valuation Allowance Adj Capital Loss Carryforwards Deferred Tax Benefit Expense Valuation Allowance Adj Capital Loss Carryforwards Deferred tax expense (benefit) related to a valuation allowance associated with previously recorded capital losses on certain investments Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount Accrued Customer Rebates Accrued Customer Rebates Accrual for rebates due customer based upon volume based incentives and guaranteed quality specifications. Transaction-related expenses Discontinued Operation Transaction Related Expense Discontinued Operation transaction related expense. Net gains (losses) and prior service costs (net of tax of $5,212 in 2021, net of tax benefit of $4,228 in 2020 and net of tax benefit of $6,417 in 2019) Net actuarial gains (losses) and prior service costs Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Grant Date Fair Value, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Wgtd. Ave. Grant Date Fair Value/Sh., Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Derivative, Notional Amount, Net Derivative, Notional Amount, Net Derivative, Notional Amount, Net Title of Individual with Relationship to Entity [Domain] Title of Individual [Domain] Disposal Group Name [Axis] Disposal Group Name [Axis] Liability, Defined Benefit Plan, Noncurrent Liability, Defined Benefit Plan, Noncurrent Grant Date Fair Value, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted In Period Total Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted In Period Total Fair Value Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, forfeited and expired, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, forfeited and expired, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, forfeited and expired, Weighted Average Exercise Price Credit Facility [Domain] Credit Facility [Domain] Assets Assets [Abstract] Goodwill and Intangible Asset Impairment Goodwill and Intangible Asset Impairment Reclassification from AOCI, Current Period, Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax 2019 Long-Term Debt, Maturity, Year Three Retirement rate assumptions and mortality table adjustments Effect Of Actuarial (Gains) Losses, Retirement Rate Assumptions And Mortality Table Adjustments Effect of actuarial (gains) losses, retirement rate assumptions and mortality table adjustments. Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Number of Shares, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Goodwill And Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Property, Plant And Equipment Property, Plant and Equipment, Policy [Policy Text Block] Automotive Automotive [Member] Automotive [Member] [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of Options, Outstanding, Beginning Balance Number of Options, Outstanding, Ending Balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Shareholder Rights Agreement Redemption Shareholder Rights Agreement Redemption Adjustment to shareholders equity attributed to Shareholders Rights Agreement redemption Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Trade Names [Member] Trade Names [Member] Debt Instrument [Axis] Debt Instrument [Axis] Prepaid expenses and other Increase (Decrease) in Prepaid Expense and Other Assets Contingencies Commitments and Contingencies Disclosure [Text Block] Changes in estimates related to prior year tax provision Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount Investments, Other Investments [Line Items] Investments, Other Investments [Line Items] [Line Items] for Schedule of Investments, Other Investments [Table] Large/mid-capitalization equity securities Large Mid Capitalization Equity Securities [Member] Large/Mid-Capitalization Equity Securities [Member] Discontinued Operation, Tax Effect of Discontinued Operation Discontinued Operation, Tax Effect of Discontinued Operation Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Business Acquisition, Pro Forma Information [Table Text Block] Business Acquisition, Pro Forma Information [Table Text Block] Schedule Of Deferred Tax Liabilities And Assets Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Target % Composition of Plan Assets, Total for continuing operations Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Credit Agreement, borrowing interval Credit Agreement, borrowing interval Credit Agreement, borrowing interval Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Available credit under the Credit Agreement Line of Credit Facility, Remaining Borrowing Capacity Film Products Film Products [Member] Film Products Member. Gain on divestiture of business Gain on divestiture of business Gain (Loss) on Disposition of Business Mar-19 [Member] Mar-22 [Member] Mar-21 [Member] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, to be Paid, Year Three Accounts and Notes Receivable, Net [Abstract] Accounts and Financing Receivable, after Allowance for Credit Loss [Abstract] Allowance For Doubtful Accounts SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Investments Investments and Other Noncurrent Assets [Text Block] Disposal Group, Including Discontinued Operation, Other Expense Disposal Group, Including Discontinued Operation, Other Expense deferred tax liabilites, foreign tax credit on froeign branch income deferred tax liabilites, foreign tax credit on froeign branch income deferred tax liabilites, foreign tax credit on froeign branch income Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Foreign Tax Credit - Brazil Foreign Tax Credit - Brazil Foreign Tax Credit - Brazil Inventories [Line Items] Inventories [Line Items] Inventories [Line Items] 2021 Long-Term Debt, Maturity, Year Five Stock option-based compensation expense Stock or Unit Option Plan Expense Charges recognized Defined Contribution Plan, Cost Shipping and Handling [Member] Shipping and Handling [Member] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Machinery and equipment Machinery and Equipment, Gross Plant shutdowns, asset impairments, restructurings and other Plant Shutdowns, Asset Impairments, Restructuring And Other Gains or losses associated with plant shutdowns, asset impairments and restructurings, gains or losses from the sale of assets, goodwill impairment losses and other non-recurring items which are not associated with the ongoing operations of a segment. Other Nonoperating Income (Expense), Net - Total Other Nonoperating Income (Expense), Net - Total Other Nonoperating Income (Expense), Net - Total Valuation allowance due to foreign losses and impairment Effective Income Tax Rate Reconciliation Operating Loss Carryforwards Valuation Allowance For Foreign Country The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the operating loss carry-forward valuation allowances for foreign countries. Shareholder Rights Agreement Shareholder Rights Agreement [Text Block] Shareholder rights agreement. Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Percent Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent Employee Benefits and Share-based Compensation Employee Benefits and Share-based Compensation Research & Development ("R&D") Costs Research and Development Expense, Policy [Policy Text Block] Line of credit facility, covenant terms, percentage of distributions to net income Line of credit facility, covenant terms, percentage of dividends to net income Line of credit facility, covenant terms, percentage of dividends to net income. Business Combination, Consideration Transferred Business Combination, Consideration Transferred Percentage of Assets or Earning Power Sold or Transferred For Exercise of Rights Percentage of Assets or Earning Power Sold or Transferred For Exercise of Rights Percentage of Assets or Earning Power Sold or Transferred For Exercise of Rights Goodwill [Roll Forward] Goodwill [Roll Forward] Tax contingency accruals and tax settlements Effective Income Tax Rate Reconciliation Tax Contingency Accruals And Tax Settlements Percentage difference between the reported and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies, net of tax settlements. Including, but not limited to, domestic, foreign, state and local, and other tax matters. Continuing operations (in usd per share) Income (Loss) from Continuing Operations, Per Diluted Share Income tax rate reconciliation, Foreign currency translation variation on intercompany loans, amount Income tax rate reconciliation, Foreign currency translation variation on intercompany loans, amount Income tax rate reconciliation, Foreign currency translation variation on intercompany loans, amount Contracts with insurance companies Estimated Value Of Asset Contracts With Insurance Companies Estimated value of asset contracts with insurance companies. Assets, Fair Value Disclosure Assets, Fair Value Disclosure Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Other, net Other Operating Activities, Cash Flow Statement Cumulative amount of untaxed earnings Cumulative Amount Of Untaxed Earnings In Foreign Investment Not Expected To Be Remitted Cumulative amount of untaxed earnings in foreign investment not expected to be remitted. Proceeds from Previous Acquisition Proceeds from Previous Acquisition Related deferred income tax assets recognized on interest and penalties Related Deferred Income Tax Assets Recognized On Interest And Penalties Related Deferred Income Tax Assets Recognized On Interest And Penalties Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, remaining cost, Weighted Average period Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, remaining cost, Weighted Average period Share-based Compensation Arrangements by Share-based Payment Award, non-option equity awards, remaining cost, Weighted Average period Non-deductible goodwill and asset impairment loss Non-deductible Goodwill And Asset Impairment Loss, Percentage Non-deductible Goodwill And Asset Impairment Loss, Percentage Operations Outside The United States Operations Outside United States [Member] Operations Outside The United States [Member] Deferred Tax Expense Benefit Unremitted Earnings FCTA Out of Period Adj Deferred Tax Expense Benefit Unremitted Earnings FCTA Out of Period Adj Deferred Tax Expense Benefit Unremitted Earnings FCTA Out of Period Adj Percentage estimated fair value of PET Films exceeded carrying value of net assets Percentage Estimated Fair Value Exceeded Carrying Value Of Net Assets Percentage estimated fair value exceeded carrying value of net assets. 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Gross profit Gross Profit Share Based Compensation Arrangements By Share Based Payment Award, non-option equity award, Grants In Period, Exercise Price Share Based Compensation Arrangements By Share Based Payment Award, non-option equity award, Grants In Period, Exercise Price Share Based Compensation Arrangements By Share Based Payment Award, non-option equity award, Grants In Period, Exercise Price Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Operating Lease, Liability, to be Paid, Year Two Other Effect Of Actuarial (Gains) Losses, Other Effect of actuarial (gains) losses, other. Long-term Line of Credit Amount borrowed under the Credit Agreement Long-term Line of Credit 2018 Operating Leases, Future Minimum Payments, Due in Two Years Cash Flow Hedge Maturity Date [Axis] Cash Flow Hedge Maturity Date [Axis] Cash Flow Hedge Maturity Date [Axis] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Selling, general and administrative Selling, General and Administrative Expense Weighted Average Option Exercise Price/Share, Forfeited and Expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Deferred Finance Costs, Net Debt Issuance Costs, Net Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Proceeds from Sale of Productive Assets Proceeds from Sale of Productive Assets Weighted average volatility percentage Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Deferred income tax assets related to unrecognized tax benefits on uncertain tax positions (reflected in deferred income tax accounts in the balance sheet) Deferred Income Tax Assets Related To Unrecognized Tax Benefits On Uncertain Tax Position Deferred Income Tax Assets Related To Unrecognized Tax Benefits On Uncertain Tax Position Proceeds from Insurance Settlement, Investing Activities Proceeds from Insurance Settlement, Investing Activities Other Comprehensive Income (Loss), before Reclassifications, before Tax Other Comprehensive Income (Loss), before Reclassifications, before Tax Percentage of outstanding equity interests acquired Business Acquisition, Percentage of Voting Interests Acquired Brazilian tax incentive Effective Income Tax Rate Reconciliation, Brazilian Tax Incentive, Percentage Effective Income Tax Rate Reconciliation, Brazilian Tax Incentive, Percent Asset impairments and costs associated with exit and disposal activities, net of adjustments Asset Impairment And Costs Associated With Exit And Disposal Activities Asset Impairment And Costs Associated With Exit And Disposal Activities Asset write-offs, divestitures and environmental accruals Deffered Tax Assets Write Off Divestitures And Environmental Accruals Deffered Tax Assets Write Off Divestitures And Environmental Accruals EBITDA Multiple Calculation Amount [Axis] EBITDA Multiple Calculation Amount [Axis] EBITDA Multiple Calculation Amount [Axis] 2020 Long-Term Debt, Maturity, Year Four Issued upon exercise of stock options & other Stock Issued During Period for Stock Options Exercised and Other Miscellaneous Stock Transactions Value of stock issued during the period as a result of the exercise of stock options and other miscellaneous stock transactions, including but not limited to shares forfeited to pay payroll taxes and excess tax benefits from issuance of stock from share-based compensation plans. Revenue Recognition Revenue [Policy Text Block] Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost Share-based Payment Arrangement, Accelerated Cost Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Debt And Credit Agreements Debt Disclosure [Text Block] Foreign Currency Translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Amounts recognized in the consolidated balance sheets: Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Options Exercisable, Shares Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Stock Option And Stock Award Plans Share-based Payment Arrangement [Text Block] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Dividends paid Payments of Ordinary Dividends, Common Stock Lessee, Leases Lessee, Leases [Policy Text Block] Finite-Lived Trade Names, Gross Finite-Lived Trade Names, Gross Net Sales Total net sales Net Sales by Geographic Area, Total Net Sales by Product Group Net Sales Aggregrate revenue during the period from the sales of goods in the normal course of business, after deducting returns, allowances, discounts, and charges for outbound freight. 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Operating Lease, Liability, Current Operating Lease, Liability, Current 2018 Finite-Lived Intangible Asset, Expected Amortization, Year Two Hedging Designation [Axis] Hedging Designation [Axis] Foreign currency translation adjustment Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Disposal Group, Including Discontinued Operation, Inventory, Current Disposal Group, Including Discontinued Operation, Inventory, Current Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation Depreciation Net Cash Provided by (Used in) Discontinued Operations Net Cash Provided by (Used in) Discontinued Operations Technology-Based Intangible Assets Technology-Based Intangible Assets [Member] Income tax rate Effective Income Tax Rate Reconciliation Federal Statutory Tax Rate Excluding Social Contribution On Income Effective Income Tax Rate Reconciliation Federal Statutory Tax Rate Excluding Social Contribution On Income Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Modification Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Modification Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Modification Loss on sale of divested businesses Asset Impairment Charges Asset Impairment Charges Derivative, Notional Amount Derivative, Notional Amount Impact of U.S. Tax Cuts and Jobs Act Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Workers’ compensation and disabilities Workers' Compensation Liability, Current Schedule of Investments, Other Investments [Table] Schedule of Investments, Other Investments [Table] Schedule of Investments, Other Investments [Table] Other Comprehensive Income (Loss) Reclassifications, Tax Other Comprehensive Income (Loss) Reclassifications, Tax Other Comprehensive Income (Loss) Reclassifications, Tax Capital expenditures Payments to Acquire Property, Plant, and Equipment Capital Expenditures Payments to Acquire Property, Plant, and Equipment effective income tax rate reconciliation, non-deductible goodwill and asset impairment effective income tax rate reconciliation, non-deductible goodwill and asset impairment effective income tax rate reconciliation, non-deductible goodwill and asset impairments, percent Current liabilities Other Liabilities, Current Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Pensions Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, net of tax Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, net of tax Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, net of tax Loss on disposition on business, net of tax Loss on disposition on business, net of tax Loss on disposition on business, net of tax Rental expenses for continuing operations from the consecutive year Operating Leases, Rent Expense, Net Total liabilities Liabilities Liability under the restoration plan Liability Under Restoration Benefit Plan Liability under restoration benefit plan. Short-term Lease Payments Short-term Lease Payments 2017 Finite-Lived Intangible Asset, Expected Amortization, Year One Weighted average exercise price at date of grant (also weighted average market price at date of grant): Weighted Average Option Exercise Price/Share, Granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Consolidation Items [Axis] Consolidation Items [Axis] Weighted Average Cost Inventory Amount Weighted Average Cost Inventory Amount Common stock, shares, issued (shares) Common Stock, Shares, Issued Entity Address, City or Town Entity Address, City or Town Decrease in fair value from five hundred point increase in weighted average cost of capital assumption Decrease in fair value from five hundred point increase in weighted average cost of capital assumption Decrease in fair value from five hundred point increase in weighted average cost of capital assumption Remainder Operating Leases, Future Minimum Payments, Due Thereafter Interest Costs Capitalized Interest Costs Capitalized Taxes Payable Taxes Payable Schedule Of Expected Benefit Payments For Continuing Operations Schedule of Expected Benefit Payments [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Distribution Distribution [Member] Distribution [Member] Savings Plan Savings Plan [Text Block] Disclosure of defined contribution benefit plans. Balance Sheet Location [Axis] Balance Sheet Location [Axis] Cash received from seller Business Acquisition Cost Of Acquired Entity Post Closing Settlement Received Business Acquisition Cost Of Acquired Entity Post Closing Settlement Received Deferred income tax expense (benefit): Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Expected long-term return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Non-Vested Restricted Stock And Other Stock-Based Awards Non Vested Restricted Stock And Other Stock Based Awards [Member] Non-Vested Restricted Stock And Other Stock-Based Awards [Member] Indefinite Lived Intangibles Fair Value in Excess of NBV Indefinite Lived Intangibles Fair Value in Excess of NBV Indefinite Lived Intangibles Fair Value in Excess of NBV Effective Income Tax Rate Reconciliation, Tax on Prodepe tax incentive Effective Income Tax Rate Reconciliation, Tax on Prodepe tax incentive Effective Income Tax Rate Reconciliation, Tax on Prodepe tax incentive Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Share-Based Compensation Arrangement by Share-based Payment Award, Price Per RIght Redeemed by Board of DIrectors in Event Agreement is Not Approved Share-Based Compensation Arrangement by Share-based Payment Award, Price Per RIght Redeemed by Board of DIrectors in Event Agreement is Not Approved Share-Based Compensation Arrangement by Share-based Payment Award, Price Per RIght Redeemed by Board of DIrectors in Event Agreement is Not Approved 2017 Defined Benefit Plan, Expected Future Benefit Payment, Year One Retained earnings Retained Earnings (Accumulated Deficit) Litigation Case [Domain] Litigation Case [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Debt principal payments Repayments of Long-term Debt and Payments of Debt Issuance Costs The cash outflows for debt initially having maturity due after one year or beyond the normal operating cycle, if longer, and amounts paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. Entity Filer Category Entity Filer Category Fixed Income Security NAV [Member] Fixed Income Security NAV [Member] Fixed income security fund that utilized NAV as a practical expedient for fair value [Member] Disposal Group, Including Discontinued Operation, Deferred Obligation Disposal Group, Including Discontinued Operation, Deferred Obligation Disposal Group, Including Discontinued Operation, Deferred Obligation Other Assets and Deferred Charges [Member] Other Assets and Deferred Charges [Member] Other Assets and Deferred Charges [Member] Gain (Loss) on Investments Gain (Loss) on Investments Weighted average risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Net actuarial (gain) loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax Transfers in and/or out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Consumer durables Consumer Durables [Member] Consumer Durables [Member] Federal statutory income tax rate Effective Income Tax Rate Reconciliation Federal Statutory Tax Rate Including Social Contribution On Income Effective Income Tax Rate Reconciliation Federal Statutory Tax Rate Including Social Contribution On Income Trade names (cost basis of $13,887 in 2017 and $11,175 in 2016) Indefinite-lived Intangible Assets (Excluding Goodwill) Jul-19 [Member] Jul-22 [Member] Jul-21 [Member] AACOA Aacoa Inc [Member] AACOA, Inc. [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Credit Facility covenant three point five times leverage ratio Credit Facility covenant three point five times leverage ratio Credit Facility covenant three point five times leverage ratio Amendment Flag Amendment Flag Taxes other than federal income and payroll Taxes Other Than Federal Income And Payroll Carrying value as of the balance sheet date of obligations incurred and payable for, including but not limited to, real and property taxes, VAT taxes, franchise taxes and other taxes other than income and payroll taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Equity Components [Axis] Equity Components [Axis] Gain (Loss) On Derivative Financial Instruments Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Options may be granted to purchase specified number of common shares under stock option plan, maximum term Options May Be Granted To Purchase Specified Number Of Common Shares Under Stock Option Plan, Maximum Term Options may be granted to purchase specified number of common shares under stock option plan, maximum term. Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage % Composition of Plan Assets at December 31, Total for continuing operations Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Inventories Total Inventory, Net Number of Options, Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Schedule Of Segment Reporting Information By Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Federal Deferred Federal Income Tax Expense (Benefit) Asset Impairments In Foreign Jurisdictions Asset Impairments In Foreign Jurisdictions [Member] Asset Impairments In Foreign Jurisdictions [Member] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Unrealized foreign currency translation adjustment (net of tax benefit of $365 in 2021, net of tax benefit of $897 in 2020 and net of tax benefit of $623 in 2019) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Operating Lease, Payments Lessee, Operating Lease, Liability, to be Paid, after Year Five Share-based Payment Arrangement, Stock Appreciation Right, Activity Share-based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block] Recoveries SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Other Comprehensive Income (Loss), before Reclassifications, before Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Product and Service [Axis] Product and Service [Axis] Schedule Of Unrecognized Uncertain Tax Positions Schedule Of Unrecognized Uncertain Tax Positions [Table Text Block] Schedule Of Unrecognized Uncertain Tax Positions [Table Text Block] Employee contribution to savings plan Defined Contribution Plan Employer Employee Match Defined contribution plan employer employee match. 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Schedule Of Accounts And Other Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Loss on sale of membership interests Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Derivative Contract [Domain] Derivative, Name [Domain] Derivative Contract [Domain] Segment Sales To Customer [Axis] Segment Sales To Customer [Axis] Segment Sales To Customer [Axis] Business Combinations Purchase Price Allocated Net of Contingent Consideration Business Combinations Purchase Price Allocated Net of Contingent Consideration Business Combinations Purchase Price Allocated Schedule of Line of Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Adjustment to accumulated amortization of customer relationship intangible Adjustment to accumulated amortization of customer relationship intangible Adjustment to accumulated amortization of customer relationship intangible Summary Of Significant Accounting Policies Significant Accounting Policies [Text Block] Disposal Group, Including Discontinued Operation, Intangible Assets Finite-lived Intangible Asset, disposition Finite-lived Intangible Asset, disposition Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Defined benefit, average remaining duration of benefit payments for pension plans Defined Benefit Average Remaining Duration Of Benefit Payments For Pension Plan Defined benefit, average remaining duration of benefit payments for pension plan. Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Defined benefit plan estimated required future employer contributions in next fiscal year Defined benefit plan estimated required future employer contributions in next fiscal year Defined benefit plan estimated required future employer contributions in next fiscal year Basic: Earnings Per Share, Basic [Abstract] Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Non-deductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Weighted average shares outstanding used to compute basic earnings per share Weighted Average Number of Shares Outstanding, Basic Net income (in usd per share) Earnings Per Share, Diluted Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent Segment [Domain] Segments [Domain] Segments [Domain] Repayments of Long-term Lines of Credit Repayments of Long-term Lines of Credit Service cost Defined Benefit Plan, Service Cost Percent ownership in investment (less than) Percent Ownership In Investment Percent ownership in investment. Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of pre-tax gain (loss) reclassified from accumulated other comprehensive income to net income (effective portion) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Percentage of common stock ownership required in a tender offer for exercise of rights (or more than) Percentage Of Common Stock Ownership Required In A Tender Offer For Exercise Of Rights Percentage of common stock ownership required in a tender offer for exercise of rights. Income tax payments (refunds), net Income Taxes Paid, Net Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Discount rate change Effect Of Actuarial (Gains) Losses, Discount Rate Change Effect of actuarial (gains) losses, discount rate change. 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Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Share Based Compensation Arrangement By Share Based Payment Award, non-option equity awards, Outstanding, Exercise Price Share Based Compensation Arrangement By Share Based Payment Award, non-option equity awards, Outstanding, Exercise Price Share Based Compensation Arrangement By Share Based Payment Award, non-option equity awards, Outstanding, Exercise Price Deferred Income Tax Liabilities, Net Deferred Income Tax Liabilities, Net Percentage of discount on cash flows due to high degree of risk Percentage Of Discount On Cash Flows Due To High Degree Of Risk Percentage of discount on cash flows due to high degree of risk. Other Noncurrent Liabilities [Member] Other Noncurrent Liabilities [Member] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Continuing operations (in usd per share) Continuing operations Income (Loss) from Continuing Operations, Per Basic Share Income (loss) from discontinued operations, net of tax Income (loss) from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Gain (Loss) on Disposition of Other Assets Gain (Loss) on Disposition of Other Assets 7.6x [Domain] 7.6x [Domain] 7.6x [Domain] Summary Of Effective Income Tax Rate For Continuing Operations Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Loss Contingency, Estimate of Possible Loss Estimated Legal Expenditures Estimated legal expense expected to be incurred on contingent matter in the next 12 months. Accounts payable Accounts Payable, Current Other Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss Depreciation and Amortization Depreciation, Depletion and Amortization Feb-19 [Member] Feb-22 [Member] Feb-21 [Member] Lessee, Operating Lease, Disclosure Lessee, Operating Lease, Disclosure [Table Text Block] Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Actual return on plan assets still held at year end Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held Derivative financial instruments Deferred Tax Liabilities, Derivatives Cost of Sales [Member] Cost of Goods and Service Benchmark [Member] Inventories Increase (Decrease) in Inventories Schedule Of Reconciliation Of Beginning And Ending Balances Of Accrued Expenses Associated With Asset Impairments And Costs Associated With Exit And Disposal Activities Restructuring and Related Costs [Table Text Block] Common stock, shares, outstanding (shares) Common Stock, Shares, Outstanding Sale of Stock, Percentage of Ownership after Transaction Sale of Stock, Percentage of Ownership after Transaction Continuing Operations Continuing Operations [Member] Cost of Goods and Services Sold Cost of Goods and Services Sold Cost of goods sold Cost of Goods and Services Sold Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Amount of pre-tax gain (loss) recognized in other comprehensive income Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Proceeds from Divestiture of Businesses Proceeds from sale of business Proceeds from Divestiture of Businesses Entity Central Index Key Entity Central Index Key Prepaid Expenses And Other [Member] Prepaid Expenses And Other [Member] Prepaid Expenses And Other. Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Credit Spread Over London Interbank Offered Rate Basis Points Defined Benefit Plan Estimated Required Future Employer Contributions In Current Fiscal Year Defined benefit plan estimated required future employer contributions in current fiscal year. Foreign Currency Forwards And Options [Member] Foreign Currency Forwards And Options [Member] Foreign currency forwards an options member. Business Combinations Amount Deposited in Escrow - Earnout Business Combinations Amount Deposited in Escrow - Earnout Business Combinations Amount Deposited in Escrow - Earnout Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Worthless Stock Tax Deductible Amount Worthless Stock Tax Deductible Amount Worthless Stock Tax Deductible Amount Range of Exercise Prices, Maximum Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Business Combination Contract Price Business Combination Contract Price Business Combination Contract Price Customer Relationships [Member] Customer relationships Customer Relationships [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Warrants and Rights Note Disclosure [Abstract] Warrants and Rights Note Disclosure [Abstract] Other non-current liabilities Other Liabilities, Noncurrent Statement, Operating Activities Segment [Axis] Operating Activities [Axis] Projected benefit obligation to unfunded plan Benefit obligation, beginning of year Benefit obligation, end of year Defined Benefit Plan, Benefit Obligation Property, plant and equipment, at cost: Property, Plant and Equipment, Gross [Abstract] Lender Name [Axis] Lender Name [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Trading Symbol Trading Symbol Customer-Related Intangible Assets Customer-Related Intangible Assets [Member] Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Revenue Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Terphane Ltda [Member] Terphane Ltda [Member] Terphane Ltda [Member] Terphane Ltda [Member] Deferred Tax Liabilities, Other Deferred Tax Liabilities, Other Schedule Of Rental Commitments Under All Non-Cancelable Operating Leases For Continuing Operation Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Carrying value of investment Cost Method Investments Indebtedness To Adjusted Ebitda Ratio Greater Than Three Point Five But Less Than Or Equal To Four [Member] Indebtedness To Adjusted Ebitda Ratio Greater Than Three Point Five But Less Than Or Equal To Four [Member] Indebtedness To Adjusted Ebitda Ratio Greater Than Three Point Five But Less Than Or Equal To Four [Member] Balance of unrecognized state tax positions Unrecognized State Positions Expected To Reverse From Statute Of Limitations Lapse Next Twelve Months Unrecognized state positions expected to reverse from statute of limitations lapse next twelve months. Line of Credit Facility [Table] Line of Credit Facility [Table] Weighted-average assumptions used to determine benefit obligations: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Inventories [Table] Inventories [Table] Inventories [Table] Plan participant contributions Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Long-term debt Other noncurrent liabilities Long-term Debt, Excluding Current Maturities Accrued Severance Liability Accrued Severance Liability Accrued Severance Liability Schedule of Goodwill [Table] Schedule of Goodwill [Table] Share-based Payment Arrangement, Expense Share-based Payment Arrangement, Expense Intangible Assets, Net (Including Goodwill) Intangible Assets, Net (Including Goodwill) Effect of Excluding Gain on Contract Termination from Expenses and Other, Net Effect of Excluding Gain on Contract Termination from Expenses and Other, Net Effect of Excluding Gain on Contract Termination from Expenses and Other, Net Schedule Of Pretax Effect On Net Income (Loss) And Other Comprehensive Income (Loss) Of Derivative Instruments Classified As Cash Flow Hedges Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Effective Income Tax Rate Reconciliation Amount - FDII Effective Income Tax Rate Reconciliation Amount - FDII Effective Income Tax Rate Reconciliation Amount - FDII Current effective tax rate Current Effective Tax Rate Including Social Contribution On Income Current Effective Tax Rate Including Social Contribution On Income Shares received from the sale of Falling Springs, LLC, shares Stock Received In Divestiture Of Business, Shares Shares of the company's stock received as consideration in the sale of a business unit. Schedule Of Income From Continuing Operations Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Share Based Compensation Expense, Value Share Based Compensation Expense, Value Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, stock options, restricted stock or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Derivative Instruments [Table Text Block] Schedule of Derivative Instruments [Table Text Block] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross deferred tax asset, lease liabilities deferred tax asset, lease liabilities deferred tax asset, lease liabilities Portion of shares each Right can buy Portion of shares each Right can buy Portion of shares each Right can buy Unrealized loss on investments under fair value method, other than temporary impairment Cost-method Investments, Other than Temporary Impairment Other Nonoperating Income (Expense) Other Nonoperating Income (Expense), Net - Other Other Nonoperating Income (Expense), Net - Other Benefit from the tax incentives, per share Income Tax Holiday, Income Tax Benefits Per Share Impairment Of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Goodwill And Other Intangible Assets [Table] Goodwill And Other Intangible Assets [Table] Goodwill And Other Intangible Assets [Table] Disposal Group, Including Discontinued Operation, Right of Use Leased Assets Disposal Group, Including Discontinued Operation, Right of Use Leased Assets Disposal Group, Including Discontinued Operation, Right of Use Leased Assets Number of Options, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise Price, Forfeited and Expired Share Based Compensation Arrangement By Share Based Payment Award, Options, Forfeitures And Expirations In Period, Exercise Price Share Based Compensation Arrangement By Share Based Payment Award, Options, Forfeitures And Expirations In Period, Exercise Price Minimum thickness of performance enhancing layer on films required to avoid antidumping duty order Minimum Thickness Of Performance Enhancing Layer On Films Required To Avoid Antidumping Duty Order Minimum thickness of performance enhancing layer on films required to avoid antidumping duty order. Beginning Balance Ending Balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Exercise Price Range [Domain] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Effective Tax Rate Reconciliation, Escrow Settlement Settlement of Terphane acquisition escrow Effective Tax Rate Reconciliation, Escrow Settlement Effective Tax Rate Reconciliation, Escrow Settlement Disposal Group, Including Discontinued Operation, Assets, Noncurrent Disposal Group, Including Discontinued Operation, Assets, Noncurrent Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] Reductions due to lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations 2021 Finite-Lived Intangible Asset, Expected Amortization, Year Five Schedule Of Diluted Earnings Per Share Computed Using Weighted Average Common And Potentially Dilutive Common Equivalent Shares Outstanding Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Tax Recovery Life of Goodwill for Amortization Tax Recovery Life of Goodwill for Amortization goodwill tax amortization life Term of estimated benefit payments for fixed income securities, maximum Term Of Estimated Benefit Payments For Fixed Income Securities, Maximum Term of estimated benefit payments for fixed income securities, maximum. Auditor Firm ID Auditor Firm ID Inventories stated value below replacement costs Excess of Replacement or Current Costs over Stated LIFO Value Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Indebtedness-To-Adjusted EBITDA Ratio Greater Than 2.0x But Less Than Or Equal To 3.0x [Member] Indebtedness To Adjusted Ebitda Ratio Greater Than Two But Less Than Or Equal To Three [Member] Indebtedness-To-Adjusted EBITDA Ratio Greater Than Two But Less Than Or Equal To Three [Member] 10.6x [Domain] 10.6x [Domain] 10.6x [Domain] Wgtd. Ave. Grant Date Fair Value/Sh., Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted average cost of capital Fair Value, Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures Weighted Average Cost Of Capital Weighted average cost of capital assumption used to value investment accounted for under fair value methodology. Income taxes recoverable/payable Increase (Decrease) in Income Taxes Receivable Trust For Savings Restoration Plan Trust For Saving Restoration Plan [Member] Trust For Saving Restoration Plan. Payments to Acquire Businesses, Gross Total purchase price Payments to Acquire Businesses, Gross Reclassification adjustment of foreign currency translation gain included in income, tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Effective Income Tax Rate Reconciliation, Deduction, Percent Effective Income Tax Rate Reconciliation, Deduction, Percent Indebtedness-To-Adjusted EBITDA Ratio Greater Than 1.0x But Less Than Or Equal To 2.0x [Member] Indebtedness To Adjusted Ebitda Ratio Greater Than One But Less Than Or Equal To Two [Member] Indebtedness-To-Adjusted EBITDA Ratio Greater Than One But Less Than Or Equal To Two [Member] Indebtedness To Adjusted Ebitda Ratio Greater Than Three Point Five But Less Than Or Equal To Four [Member] Credit spread over LIBOR, basis points Credit Spread Over London Interbank Offered Rate Basis Points Credit spread over LIBOR basis points. Financing used to fund purchase price from existing credit facility Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Disposal Group, Including Discontinued Operation, Other Accrued Expense Disposal Group, Including Discontinued Operation, Other Accrued Expense Disposal Group, Including Discontinued Operation, Other Accrued Expense Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Position [Domain] Position [Domain] Latin America Latin America [Member] Interest and penalties accrued on uncertain tax positions net of related deferred income tax benefits, which would impact the effective tax rate if recognized Interest And Penalties Accrued On Uncertain Tax Positions Net Of Related Deferred Income Tax Benefit Which Would Impact The Recognized Effective Tax Rate Interest And Penalties Accrued On Uncertain Tax Positions Net Of Related Deferred Income Tax Benefit Which Would Impact The Recognized Effective Tax Rate Line of credit facility, covenant terms, maximum debt to EBITDA ratio Line of credit facility, covenant terms, maximum debt to EBITDA ratio Line of credit facility, covenant terms, maximum debt to EBITDA ratio Liability under the restoration plan, shares Shares Held By Restoration Plan Shares held by restoration plan. Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Disposal Group, Including Discontinued Operation, Assets, Current Disposal Group, Including Discontinued Operation, Assets, Current Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Buildings Buildings and Improvements, Gross Accrual for indemnifications under the purchase agreement related to environmental matters Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, before Income Tax Other current assets Other Assets, Current Schedule Of Reconciliation Of The Beginning And Ending Balances Of The Allowance For Doubtful Accounts And Sales Returns Schedule Of Reconciliation Of The Beginning And Ending Balances Of The Allowance For Doubtful Accounts And Sales Returns [Table Text Block] Schedule of reconciliation of the beginning and ending balances of the allowance for doubtful accounts and sales returns. Defined benefit pension plan net liability Net amount recognized Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Amortization of goodwill and identifiable intangibles Deferred Tax Liabilities, Goodwill Prepaid Expenses and Other Current Assets [Member] Prepaid Expenses and Other Current Assets [Member] Accrued Expenses Accrued Expenses [Member] Accrued Expenses [Member] Accrued Expenses [Member] Liability derivatives: Aluminum futures contracts Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Income tax expense (benefit) at federal statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Depreciation and Amortization, Discontinued Operations Depreciation and Amortization, Discontinued Operations Schedule Of Targeted Allocation Percentage For Pension Plan Assets And Expected Long-Term Rate Of Return On Assets Schedule Of Targeted Allocation Percentage For Pension Plan Assets And Expected Long-Term Rate Of Return On Assets [Table Text Block] Schedule Of Targeted Allocation Percentage For Pension Plan Assets And Expected Long-Term Rate Of Return On Assets [Table Text Block] Options Outstanding, Shares Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Depreciation, Amortization and Accretion, Net Depreciation, Amortization and Accretion, Net Type of Deferred Compensation [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Balance, beginning of year Balance, end of year SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Cost of Sales [Member] Cost of Sales [Member] Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Excess capital losses and book/tax basis differences on investments Deferred Tax Assets, Capital Loss Carryforwards Amortization of prior service costs and net gains or losses, tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Amortization of prior service costs and net gains or losses (net of tax of $3,676 in 2021, net of tax of $3,937 in 2020 and net of tax of $2,359 in 2019) Amortization of prior service costs and net gains or losses Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Increase in value of kaléo investment held abroad Increase in value of kaléo investment held abroad Increase in value of kaléo investment held abroad Inventories Inventory, Policy [Policy Text Block] Foreign Current Foreign Tax Expense (Benefit) Pension Benefits Pension Plan Pension Plan [Member] 15.01 To 17.00 Exercise Prices Range Two [Member] Exercise Prices Range Two [Member] Effect of Adoption on Share-Based Compensation Effect of Adoption on Share-Based Compensation Effect of Adoption on Share-Based Compensation Schedule Of Additional Information Related To Unrecognized Uncertain Tax Positions Schedule Of Additional Information Related To Our Unrecognized Uncertain Tax Positions [Table Text Block] Schedule Of Additional Information Related To Our Unrecognized Uncertain Tax Positions [Table Text Block] Effect of actuarial (gains) losses related to the following: Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax [Abstract] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Income Tax Beneficiary [Axis] Income Tax Beneficiary [Axis] Income Tax Beneficiary [Axis] Line of Credit Facility, Interest Rate During Period Line of Credit Facility, Interest Rate During Period Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Annual Net Costs Mismatch Translation Exposure - Real vs US Dollar Annual Net Costs Mismatch Translation Exposure - Real vs US Dollar Annual Net Costs Mismatch Translation Exposure - Real vs US Dollar Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Adjustments for noncash items: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]