Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Reconciliation of the Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Revenue from Contract with Customer [Abstract] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Statement Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Segment Reporting [Abstract] Net income Net Income (Loss) Attributable to Parent Provision for income taxes Income Tax Expense (Benefit) Interest expense, net Interest and Debt Expense Depreciation and amortization Depreciation, Depletion and Amortization, Excluding Amortization of Financing Costs Depreciation, Depletion and Amortization, Excluding Amortization of Financing Costs EBITDA Earnings Before Interest, Taxes, Depreciation and Amortization Earnings Before Interest, Taxes, Depreciation and Amortization Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Food, Health and Nutrition Food, Health and Nutrition [Member] Food, Health and Nutrition [Member] Industrial Specialties Industrial Specialties [Member] Industrial Specialties [Member] Other Other Segments [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill Goodwill Leases [Abstract] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of Goods Sold Cost of Goods Sold [Member] Cost of Goods Sold [Member] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Lease, Cost Lease, Cost 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years 2024 and thereafter Operating Leases, Future Minimum Payments, Due Thereafter Long-term lease obligations Operating Leases, Future Minimum Payments Due Schedule of Segment Reporting Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of Net Income to EBITDA Reconciliation Of Net Income (Loss) To EBITDA [Table Text Block] Reconciliation Of Net Income (Loss) To EBITDA [Table Text Block] Other Liabilities Disclosure [Abstract] Schedule of Other Long-Term Liabilities Other Noncurrent Liabilities [Table Text Block] Retirement Benefits [Abstract] Pension Plans and Postretirement Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Leases, Assets and Liabilities [Table Text Block] Leases, Assets and Liabilities [Table Text Block] Leases, Assets and Liabilities [Table Text Block] Lease, Cash Flow and Other Information [Table Text Block] Lease, Cash Flow and Other Information [Table Text Block] Lease, Cash Flow and Other Information [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Property Subject to or Available for Operating Lease [Table Text Block] Schedule of Property Subject to or Available for Operating Lease [Table Text Block] Statement of Comprehensive Income [Abstract] Net sales Revenues Cost of goods sold Cost of Goods and Services Sold Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Research & development expenses Research and Development Expense Total operating expenses Operating Expenses Operating income Operating Income (Loss) Foreign exchange gain Foreign Currency Transaction Gain (Loss), before Tax Other (income), net Other Income Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net income Net income attributable to participating common shareholders Net Income (Loss) Available to Common Stockholders, Basic Income per participating share: Earnings Per Share Reconciliation [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Weighted average participating shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income, net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Change in interest rate swaps, (net of tax of $225 and $0) Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Change in pension and post-retirement plans, (net of tax of $17 and $243) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Operating lease ROU assets Operating Lease, Right-of-Use Asset Current operating lease liabilities Operating Lease, Liability, Current Noncurrent operating lease liabilities Operating Lease, Liability, Noncurrent Total lease obligations Operating Lease, Liability Statement of Cash Flows [Abstract] Cash flows provided by operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Amortization of deferred financing charges Amortization of Debt Issuance Costs Deferred income tax provision Deferred Income Tax Expense (Benefit) Share-based compensation Share-based Compensation Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other current assets Increase (Decrease) in Other Current Assets Accounts payable Increase (Decrease) in Accounts Payable Other current liabilities Increase (Decrease) in Other Current Liabilities Other long-term assets and liabilities, net Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Net cash (used for) provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows used for investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Cash flows provided by financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Long-term debt borrowings Proceeds from Issuance of Long-term Debt Long-term debt repayments Repayments of Long-term Debt Restricted stock forfeitures Payments Related to Tax Withholding for Share-based Compensation Dividends paid Payments of Ordinary Dividends, Common Stock Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of foreign exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net change in cash Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Accrued additions to plant assets Property, Plant and Equipment, Additions Earnings Per Share [Abstract] Earnings per Share (EPS) Earnings Per Share [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Specialty Ingredients Specialty Ingredients [Member] Specialty Ingredients [Member] Core Ingredients Core Ingredients [Member] Core Ingredients [Member] Co-Products & Other Co-Products And Other [Member] Co-Products And Other [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES Canada CANADA Mexico MEXICO Other Countries Other Foreign Countries [Member] Other Foreign Countries Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Intangible Assets and Other Noncurrent Assets, Net [Abstract] Intangible Assets and Other Noncurrent Assets, Net [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Developed technology and application patents Developed Technology and Application Patents [Member] Developed Technology and Application Patents [Member] Customer relationships Customer Relationships [Member] Trade names and license agreements Trade Names and License Agreements [Member] Trade Names and License Agreements [Member] Non-compete agreements Noncompete Agreements [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Useful life Finite-Lived Intangible Asset, Useful Life Total intangibles, net Finite-Lived Intangible Assets, Net Deferred financing costs, net of accumulated amortization of $4,438 for 2019 and $4,331 for 2018 (see Note 11) Debt Issuance Costs, Line of Credit Arrangements, Net Other assets Other Assets, Miscellaneous, Noncurrent Total other assets, net Other Assets, Noncurrent Intangibles and other assets, net Intangible and Other Assets, Noncurrent Intangible and Other Assets, Noncurrent Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization of debt issuance costs Accumulated Amortization of Debt Issuance Costs, Line of Credit Arrangements Statement of Financial Position [Abstract] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Treasury stock, shares held Treasury Stock, Shares Other Current Liabilities Other Liabilities Disclosure [Text Block] Reconciliation of Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Summary of Other Current Liabilities Other Current Liabilities [Table Text Block] Inventory Disclosure [Abstract] Raw materials Inventory, Raw Materials, Net of Reserves Finished products Inventory, Finished Goods, Net of Reserves Spare parts Inventory, Parts and Components, Net of Reserves Inventories Inventory, Net Inventory reserves Inventory Valuation Reserves Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment [Domain] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Sales Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Other Current Assets Other Current Assets [Text Block] Deferred income taxes Deferred Income Tax Liabilities, Net Pension and post retirement liabilities Liability, Defined Benefit Plan, Noncurrent Uncertain tax positions Liability for Uncertainty in Income Taxes, Noncurrent Environmental liabilities Accrued Environmental Loss Contingencies, Noncurrent Deferred gain on sale leaseback transaction Sale Leaseback Transaction, Deferred Gain, Noncurrent Sale Leaseback Transaction, Deferred Gain, Noncurrent Deferred contract termination fee Deferred Contract Termination Fee, Noncurrent Deferred Contract Termination Fee, Noncurrent Other liabilities Other Sundry Liabilities, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Stock options Employee Stock Option [Member] Restricted stock Restricted Stock [Member] Performance shares Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Total share-based compensation expense (benefit) Allocated Share-based Compensation Expense Equity [Abstract] Changes in Accumulated Other Comprehensive Income (Loss) by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Lease liabilities Number of leases Lessee, Number of Leases Lessee, Number of Leases Operating lease remaining term Operating Lease, Remaining Term Operating Lease, Remaining Term Gross proceeds from sale Sale Leaseback Transaction, Gross Proceeds, Investing Activities Lease renewal term Lessee, Operating Lease, Renewal Term Annual rental payments Sale Leaseback Transaction, Annual Rental Payments Annual rental payments rent increase period Sale Leaseback Transaction, Annual Rental Payments, Rent Increase Period Sale Leaseback Transaction, Annual Rental Payments, Rent Increase Period Annual rental increase every five years (percent) Sale Leaseback Transaction, Annual Rental Payments, Incremental Increase Every Five Years, Percent Sale Leaseback Transaction, Annual Rental Payments, Incremental Increase Every Five Years, Percent Annual rental payments rent increase renewal period Sale Leaseback Transaction, Annual Rental Payments, Rent Increase Renewal Period Sale Leaseback Transaction, Annual Rental Payments, Rent Increase Renewal Period Sale-leaseback gain Deferred Gain on Sale of Property Sale-leaseback gain, tax Deferred Gain on Sale of Property, Tax Deferred Gain on Sale of Property, Tax Summary of Components of Stock-Based Compensation Expense Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Supply Commitment, Contract Termination Agreement, Consideration Supply Commitment, Contract Termination Agreement, Consideration Supply Commitment, Contract Termination Agreement, Consideration Supply Commitment, Contract Termination Agreement, Cash Proceeds Supply Commitment, Contract Termination Agreement, Cash Proceeds Supply Commitment, Contract Termination Agreement, Cash Proceeds Assets received as part of the supply agreement termination Contribution of Property, Received in Supply Agreement Termination Contribution of Property, Received in Supply Agreement Termination Deferred contract termination fee, current Deferred Contract Termination Fee, Current Deferred Contract Termination Fee, Current Deferred contract termination fee, noncurrent Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Debt Disclosure [Abstract] Short-Term Borrowings and Long-Term Debt Schedule of Debt [Table Text Block] Components of Interest Expense, Net Interest Income and Interest Expense Disclosure [Table Text Block] Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Supply Agreement Termination Purchase and Supply Commitment, Excluding Long-term Commitment [Text Block] Stockholders' Equity / Share-Based Compensation Shareholders' Equity and Share-based Payments [Text Block] Summary of Significant Accounting Policies Basis of Accounting, Policy [Policy Text Block] Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Revenue Recognition Policy Revenue Recognition, Policy [Policy Text Block] Inventories Inventory Disclosure [Text Block] Cash paid for amounts included in the measurement of operating lease liabilities Operating Lease, Payments ROU assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Weighted average remaining lease term of operating leases (in years) Operating Lease, Weighted Average Remaining Lease Term Weighted average discount rate of operating leases Operating Lease, Weighted Average Discount Rate, Percent Short-Term Borrowings, Long-Term Debt, and Interest Expense Debt Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Line of Credit Line of Credit [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Revolver borrowings under the credit facility due 2021 Long-term Debt Total borrowings Long-term Debt and Capital Lease Obligations, Including Current Maturities Long-term debt Long-term Debt and Capital Lease Obligations Goodwill Goodwill Disclosure [Text Block] Debt Instruments [Abstract] Debt Instruments [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap Interest Rate Swap [Member] Letter of Credit Letter of Credit [Member] Bridge Loan Bridge Loan [Member] Interest expense Interest Expense, Debt Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility, additional borrowing capacity Line of Credit Facility, Additional Borrowing Capacity Line of Credit Facility, Additional Borrowing Capacity Line of credit facility, maximum borrowing capacity including higher borrowing capacity option Line of Credit Facility, Maximum Borrowing Capacity Including Higher Borrowing Capacity Option Line of Credit Facility, Maximum Borrowing Capacity Including Higher Borrowing Capacity Option Amount outstanding under line of credit Long-term Line of Credit Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Letters of credit outstanding Letters of Credit Outstanding, Amount Weighted average interest rate Debt, Weighted Average Interest Rate Total leverage ratio Debt Instrument, Covenant Terms, Maximum Total Leverage Ratio Debt Instrument, Covenant Terms, Maximum Total Leverage Ratio Interest coverage ratio Debt Instrument, Covenant Terms, Minimum Interest Coverage Ratio Debt Instrument, Covenant Terms, Minimum Interest Coverage Ratio Outstanding borrowings as floating rate debt Long-term Debt, Percentage Bearing Variable Interest, Amount Effect of one percentage point increase to interest expense Long-term Debt, Percentage Bearing Variable Interest, Effect of One-Percentage Point Change in Interest Rate on Interest Expense Long-term Debt, Percentage Bearing Variable Interest, Effect of One-Percentage Point Change in Interest Rate on Interest Expense Interest paid Interest Paid, Including Capitalized Interest, Operating and Investing Activities Deferred financing cost Investment Income, Interest Investment Income, Interest Interest Costs Capitalized Adjustment Interest Costs Capitalized Adjustment Interest rate swap, fixed rate to maturity obligation interest rate Derivative, Fixed Interest Rate Less: earnings attributable to unvested shares Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Net income available to participating common shareholders Weighted average number of participating common and potential common shares outstanding: Basic number of participating common shares outstanding (in shares) Dilutive effect of stock equivalents (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted number of weighted average participating common shares outstanding (in shares) Earnings per participating common share: Earnings per participating common share - Basic (in dollars per share) Earnings per participating common share - Diluted (in dollars per share) Total outstanding options, performance share awards and unvested restricted stock not included in the calculation of diluted earnings per share as the effect would be anti-dilutive (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Assets Assets 2019 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five 2024 and thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: current obligations Long-term lease obligations ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net of allowance for doubtful accounts ($734 and $688) Accounts Receivable, Net, Current Inventories Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Intangibles and other assets, net Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable, trade and other Accounts Payable, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Other long-term liabilities Total liabilities Liabilities Commitments and contingencies (Note 14) Commitments and Contingencies Common stock, par value $.001 per share; authorized 100,000,000; issued 22,985,169 and 22,984,608; outstanding 19,601,926 and 19,613,085 shares Common Stock, Value, Issued Paid-in capital Additional Paid in Capital, Common Stock Common stock held in treasury, at cost (3,383,243 and 3,371,523 shares) Treasury Stock, Value Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Creditable taxes (value added taxes) Value Added Tax Receivable, Current Vendor inventory deposits (prepaid) Prepaid Vendor Inventory Deposits, Current Prepaid Vendor Inventory Deposits, Current Prepaid income taxes Prepaid Taxes Prepaid insurance Prepaid Insurance Other Other Assets, Miscellaneous, Current Other current assets Tax amounts related to changes in interest rate swaps Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent Tax amounts related to changes in pension and post-retirement plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Retained Earnings (Deficit) Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Other comprehensive income (loss), tax Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Effects of adoption of ASC 842 Sale and Leaseback Transaction, Gain (Loss), Net Dividends declared - per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension benefits Pension Plan [Member] Other benefits Other Postretirement Benefits Plan [Member] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Plan Assets, Contributions by Employer Minimum contribution requirements Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year Employer contribution to contribution plan Defined Contribution Plan, Cost Lessee, Operating Leases [Text Block] Lessee, Operating Leases [Text Block] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent Income taxes paid Income Taxes Paid, Net Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Noncurrent Liabilities Other Noncurrent Liabilities [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Interest Rate Contract Derivative Liability, Fair Value, Gross Liability Payroll related Accrued Payroll Related Expenses, Current Accrued Payroll Related Expenses, Current Operating lease liabilities Taxes other than income taxes Accrual for Taxes Other than Income Taxes, Current Benefits and pensions Accrued Employee Benefits and Pension, Current Accrued Employee Benefits and Pension, Current Freight and rebates Accrued Freight and Rebate Liabilities, Current Accrued Freight and Rebate Liabilities, Current Income taxes Accrued Income Taxes, Current Restructuring reserve Restructuring Reserve, Current Deferred gain on sale leaseback transaction Sale Leaseback Transaction, Deferred Gain, Current Sale Leaseback Transaction, Deferred Gain, Current Deferred contract termination Other Other Sundry Liabilities, Current Other current liabilities Revenue Recognition Revenue from Contract with Customer [Text Block] Schedule of Error Corrections and Prior Period Adjustments Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Other Long-Term Liabilities Schedule of Net Periodic Benefit Expense Schedule of Net Benefit Costs [Table Text Block] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of unrecognized (gain) loss Defined Benefit Plan, Amortization of Gain (Loss) Amortization of net transition obligation Defined Benefit Plan, Amortization of Transition Asset (Obligation) Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Net periodic cost (benefit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Interest Income/(Expense) Interest and Debt Expense [Member] Interest and Debt Expense [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Amount of Gain/(Loss) Recognized in AOCI on Derivative Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Amount of Gain/(Loss) Reclassified from AOCI into Income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Previously Reported [Member] Previously Reported [Member] Restatement Adjustment [Member] Restatement Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Net cash (used for) provided by operations Capital expenditures Net cash (used for) investing activities Interest income Less: amount capitalized for capital projects Total interest expense, net Summary of Intangibles and Other Assets Intangibles and Other Assets [Table Text Block] Intangibles and Other Assets [Table Text Block] Statement, Equity Components [Axis] Common Stock Common Stock [Member] Paid-in Capital / Common stock held in treasury Additional Paid-in Capital And Treasury Stock [Member] Additional Paid-in Capital And Treasury Stock Accumulated Other Comprehensive Income/(Loss) AOCI Attributable to Parent [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-16 [Member] Accounting Standards Update 2016-16 [Member] Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-02 [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance (in shares) Shares, Outstanding Beginning balance Other comprehensive income, (net of tax $242 for 2019 and $243 for 2018) Effects of U.S. enacted Tax Cuts and Jobs Act Tax Cuts and Jobs Act of 2017, Reclassification from AOCI to Retained Earnings, Tax Effect Tax Cuts and Jobs Act of 2017, Reclassification from AOCI to Retained Earnings, Tax Effect Effect of adoption New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Equity-based compensation plans, shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Equity-based compensation plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Dividends declared ($0.48 per share) Dividends, Cash Ending balance (in shares) Ending balance Intangibles and Other Assets, net Intangibles and Other Assets [Text Block] Intangibles and Other Assets [Text Block] Entire footnote disclosure of intangibles and other long-term assets. Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Pension and Other Postretirement Adjustments Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Changes in Fair Value of Effective Cash Flow Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Other comprehensive loss before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Amounts reclassified from accumulated other comprehensive income Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Loss Contingencies [Table] Loss Contingencies [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Environmental Remediation Site [Domain] Environmental Remediation Site [Domain] Nashville, TN Nashville, TN [Member] Nashville, TN [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Status [Domain] Litigation Case [Domain] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Accrual for environmental loss contingencies Accrual for Environmental Loss Contingencies