Earnings Per Share [Abstract] Earnings Per Share Earnings Per Share [Text Block] Debt Disclosure [Abstract] Credit Facility Debt Disclosure [Text Block] Segment Reporting [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] United States [Member] UNITED STATES International [Member] International [Member] Non-US countries [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Net revenues Revenue, Net Net revenues (percent) Net revenue (percent) Net revenue (percent) Income Statement [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Cost of goods sold Cost of Goods Sold Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Selling Selling and Marketing Expense General and administrative General and Administrative Expense Impairment (gain) on fixed assets Gain (Loss) on Disposition of Other Assets Total operating expenses Operating Expenses Operating income Operating Income (Loss) Non-operating income Other Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision (benefit) for taxes Income Tax Expense (Benefit) Net income Net Income (Loss) Attributable to Parent Income per common share: Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income (loss): Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Amortization of prior service credit (net of tax of $2,110, $2,068, and $1,944) Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax Amortization of net actuarial loss (net of tax of $565, $337, and $361) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax (Increase) decrease in actuarial loss (net of tax of $250, $1,348, and $2,177) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Decrease (Increase) in Actuarial Loss, Net of Tax The decrease (increase) in actuarial loss included in accumulated other comprehensive income associated with a postretirement health plan because it has yet to be recognized as components of net periodic benefit cost. Plan amendment (net of tax of $1,509, $1,364, and $1,613) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Plan Amendment, Net of Tax Postretirement Plan Amendment, Other Comprehensive Income (Loss) Unrealized appreciation of investments (net of tax of $0, $91, and $125) Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Total other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Inventory Disclosure [Abstract] Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Fair Value Disclosures [Abstract] 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] Balance at beginning of year Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Net realized loss included in non-operating income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Net change included in other comprehensive income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Balance at the end of year Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] 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] Beginning of year, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Canceled, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period End of year, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Beginning of year, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Canceled, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value End of year, Weighted Average Grant Date Fair Value Equity [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Defined Benefit Pension Items [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Unrealized Gains and Losses on Available- for-Sale Securities [Member] Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Balance at beginning of year Accumulated Other Comprehensive Income (Loss), Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] OCI before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from AOCI Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Net current-period OCI Other Comprehensive Income (Loss), Net of Tax Balance at end of year Compensation and Retirement Disclosure [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Non-Qualified Share Option Program (2001) [Member] Non-Qualified Share Option Program 2001 [Member] Non-Qualified Share Option Program 2001 [Member] Title of Individual [Axis] Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Relationship to Entity [Domain] Key Employees [Member] Key Employees [Member] Key Employees [Member] Officers and Managers [Member] Officers and Managers [Member] Officers and Managers [Member] Officers and Key Employees [Member] Officers and Key Employees [Member] Officers and Key Employees [Member] Postretirement Benefits, Type of Deferred Compensation [Axis] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis] Type of Deferred Compensation, All Types [Domain] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] Non-Qualified Deferred Compensation Program (1981) [Member] Non Qualified Deferred Compensation Program [Member] Non Qualified Deferred Compensation Program [Member] Supplemental Employee Retirement Plan (SERP) [Member] Supplemental Employee Retirement Plan [Member] Executive Deferred Compensation Plan (2007) [Member] Executive Deferred Compensation Plan 2007 [Member] Executive Deferred Compensation Plan 2007 [Member] 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] Vesting age Deferred Compensation Arrangement with Individual, Vesting Age Deferred Compensation Arrangement with Individual, Vesting Age Requisite service period Deferred Compensation Arrangement, Requisite Service Period Deferred Compensation Arrangement, Requisite Service Period Requiste service period prior to December 1992 Deferred Compensation Arrangement, Requiste Service Period Prior to December 1992 Deferred Compensation Arrangement, Requiste Service Period Prior to December 1992 Deferred compensation expense Deferred Compensation Arrangement with Individual, Compensation Expense Deferred compensation liabilities Deferred Compensation Liability, Current and Noncurrent Contractual amount of years after retirement Deferred Compensation Arrangement with Individual, Maximum Contractual Term After Retirement Deferred Compensation Arrangement with Individual, Maximum Contractual Term After Retirement Deferred compensation assets Deferred Compensation Plan Assets Deferred share-based compensation liabilities Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent Additional contribution at initiation Deferred Compensation Share-based Arrangements, Additional Contribution at Initiation Deferred Compensation Share-based Arrangements, Additional Contribution at Initiation Required option exercise period Deferred Compensation Share-based Arrangements, Required Option Exercise Period Deferred Compensation Share-based Arrangements, Required Option Exercise Period Maximum salary deferral Deferred Compensation Arrangement with Individual, Maximum Salary Deferral Deferred Compensation Arrangement with Individual, Maximum Salary Deferral Maximum cash incentive award deferral Deferred Compensation Arrangement with Individual, Maximum Cash Incentive Award Deferral Deferred Compensation Arrangement with Individual, Maximum Cash Incentive Award Deferral Employer discretionary contribution amount Defined Contribution Plan, Employer Discretionary Contribution Amount Interest cost Defined Benefit Plan, Interest Cost Service cost Defined Benefit Plan, Service Cost Amortization of prior service benfit Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of net actuarial loss Defined Benefit Plan, Amortization of Gains (Losses) Net periodic postretirement benefit income Defined Benefit Plan, Net Periodic Benefit Cost Finished goods Inventory, Finished Goods, Gross Work-in-process Inventory, Work in Process, Gross Raw materials Inventory, Raw Materials, Net of Reserves Total Inventory, Gross LIFO reserve Inventory, LIFO Reserve Total inventories Inventory, Net Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Quarterly Financial Information Disclosure [Abstract] Schedule of Quarterly Financial Information [Table Text Block] Schedule of Quarterly Financial Information [Table Text Block] Accounting Policies [Abstract] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Buildings [Member] Building [Member] Machinery and equipment [Member] Machinery and Equipment [Member] Software [Member] Software and Software Development Costs [Member] Transportation equipment [Member] Transportation Equipment [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Estimated service life Property, Plant and Equipment, Useful Life Stock-Based Compensation Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Insurance policy limit Insurance Policy Limit Insurance policy limit on a per occurrence basis. Self insurance reserve for product liability, per occurance Self Insurance Reserve Product Liability Per Occurance Self Insurance Reserve Product Liability Per Occurance Self insurance reserve for product liability, aggregate per policy year Self Insurance Reserve For Product Liability Aggregate Per Policy Year Self Insurance Reserve For Product Liability Aggregate Per Policy Year Self insurance for product liability, self-insured retention Self Insurance For Product Liability, Self-Insured Retention Self-Insurance For Product Liability, Self-Insured Retention Repurchase agreement term Loss Contingency, Repurchase Agreement Term Loss Contingency, Repurchase Agreement Term Repurchase commitment, liability threshold Repurchase Commitment, Liability Threshold Repurchase Commitment, Liability Threshold Number of reportable segments Number of Reportable Segments Research and development expense Research and Development Expense Advertising expense Advertising Expense Commitments and Contingencies Disclosure [Abstract] Schedule of Repurchase Agreements [Table Text Block] Schedule of Repurchase Agreements [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Income Tax Disclosure [Abstract] US federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Tax-free and dividend income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Income tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent Domestic production activities deduction Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent Other permanent items Effective Income Tax Rate Reconciliation, Other Permanent Items The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to other permanent items. Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Uncertain tax positions settlements and adjustments Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Effective tax provision rate Effective Income Tax Rate Reconciliation, Percent Product Warranties Disclosures [Abstract] Schedule of Product Warranty Liability [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] Property, Plant and Equipment, Net [Abstract] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Middlebury, IN [Member] Middlebury, IN [Member] Property purchased at Middlebury, IN [Member] including land, buildings and equipment. Waverly, IA [Member] Waverly, IA [Member] Property purchased at Waverly, IA including land and buildings. Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale Proceeds from Sale of Property, Plant, and Equipment Gain on sale Gain (Loss) on Disposition of Property Plant Equipment Concentration Risk [Table] Concentration Risk [Table] Major Customers [Axis] Customer [Axis] Name of Major Customer [Domain] Customer [Domain] Dealer 1 [Member] Dealer 1 [Member] Dealer 1 [Member] Dealer 2 [Member] Dealer 2 [Member] Dealer 2 [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Goods, Net [Member] Sales Revenue, Goods, Net [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Percent of revenue Concentration Risk, Percentage Number of dealerships (in dealerships) Number of Stores Number of states (in states) Number of States in which Entity Operates Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Balance at beginning of year Defined Benefit Plan, Benefit Obligation Net benefits paid Defined Benefit Plan, Benefits Paid Actuarial (gain) loss Defined Benefit Plan, Actuarial Gain (Loss) Liability reduction due to plan amendment Defined Benefit Plan, Plan Amendments Balance at end of year 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 Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Net income Weighted average shares outstanding Net income per share - basic (in dollars per share) Dilutive impact of awards and options outstanding Weighted Average Number Diluted Shares Outstanding Adjustment Weighted average shares and potential dilutive shares outstanding Net income per share - assuming dilution (in dollars per share) Warranty reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves Self-insurance reserve Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance Accrued vacation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Inventory Deferred Tax Assets, Inventory Deferred compensation Deferred Tax Asset, Deferred Tax Expense, Deferred Compensation, Current Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from current deferred compensation costs. Other Deferred Tax Assets, Tax Deferred Expense, Other Total net current deferred income tax asset Deferred Tax Assets, Gross, Current Postretirement health care benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Deferred Compensation, Noncurrent Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from noncurrent deferred compensation costs. Tax credits and NOL carryforwards Deferred Tax Assets, Tax Deferred Expense, Tax Credits and NOL Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to tax credits and deductible operating loss carryforwards. Unrecognized tax benefit Deferred Tax Assets, Tax Deferred Expense, Unrecognized Tax Benefits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrecognized tax benefits. Depreciation Deferred Tax Liabilities, Property, Plant and Equipment Other Deferred Tax Assets, Tax Deferred Expense, Other Noncurrent Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other noncurrent provisions, reserves, allowances, and accruals not separately disclosed. Total net noncurrent deferred income tax asset Deferred Tax Assets, Gross, Noncurrent Total deferred income tax assets Deferred Tax Assets, Net of Valuation Allowance State NOL carryforward Deferred Tax Assets, Operating Loss Carryforwards, State and Local Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Domestic equity funds Domestic Equity Funds Assets that fund deferred compensation consisting of domestic equity funds. International equity funds International Equity Funds Assets that fund deferred compensation consisting of international equity funds. Fixed income funds Fixed Income Funds Assets that fund deferred compensation consisting of fixed income funds. Total assets at fair value Assets, Fair Value Disclosure Net Investment in Operating Leases and Operating Lease Repurchase Obligation [Abstract] Net Investment in Operating Leases and Operating Lease Repurchase Obligation [Abstract] Rental units sold to Apollo Rental units sold to Apollo Rental units sold to Apollo Rental units subject to operating lease Property Subject to or Available for Operating Lease, Number of Units Number of rental units released from operating lease repurchase obligation Number of rental units released from operating lease repurchase obligation Number of rental units released from operating lease repurchase obligation Operating lease revenue Operating Leases, Income Statement, Lease Revenue 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] Unrecognized tax benefits - begininning balance Unrecognized Tax Benefits Gross decreases - tax positions in a prior period Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Gross increases - current period tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Unrecognized tax benefits - ending balance Unrecognized tax benefits, accrued interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized tax benefits Liability for Uncertain Tax Positions, Noncurrent Warranty Product Warranty Disclosure [Text Block] Other Income and Expenses [Abstract] Component of Other Income (Expense), Nonoperating [Table] Component of Other Income (Expense), Nonoperating [Table] Component of Other Income (Expense), Nonoperating [Table] Component of Other Income (Expense), Nonoperating [Axis] Component of Other Income (Expense), Nonoperating [Axis] Component of Other Income (Expense), Nonoperating [Axis] Component of Other Income (Expense), Nonoperating, Name [Domain] Component of Other Income (Expense), Nonoperating, Name [Domain] Component of Other Income (Expense), Nonoperating, Name [Domain] Total COLI [Member] Gain (Loss) Company Owned Life Insurance [Member] Gain (Loss) Company Owned Life Insurance [Member] COLI appreciation [Member] Gain (Loss) Company Owned Life Insurance, Appreciation [Member] Gain (Loss) Company Owned Life Insurance, Appreciation [Member] COLI death benefits [Member] Gain (Loss) Company Owned Life Insurance, Death Benefits [Member] Gain (Loss) Company Owned Life Insurance, Death Benefits [Member] COLI premiums [Member] Gain (Loss) Company Owned Life Insurance, Premiums [Member] Gain (Loss) Company Owned Life Insurance, Premiums [Member] COLI interest expense [Member] Gain (Loss) Company Owned Life Insurance, Interest Expense [Member] Gain (Loss) Company Owned Life Insurance, Interest Expense [Member] Total line of credit expense [Member] Income (Expense) Line of Credit Facility [Member] Income (Expense) Line of Credit Facility [Member] Loss on sale of investments [Member] Loss on Sale of Investments [Member] Realized loss on the sale of investments [Member] Interest income [Member] Interest Income [Member] Gain (loss) on foreign currency transactions [Member] Foreign Currency Gain (Loss) [Member] Component of Other Income (Expense), Nonoperating [Line Items] Component of Other Income (Expense), Nonoperating [Line Items] Component of Other Income (Expense), Nonoperating [Line Items] Statement of Cash Flows [Abstract] 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] Depreciation and amortization Depreciation, Depletion and Amortization LIFO expense (income) Inventory, LIFO Reserve, Period Charge Asset impairment Other Asset Impairment Charges Stock-based compensation Share-based Compensation Deferred income taxes including valuation allowance Deferred Income Tax Expense (Benefit) Postretirement benefit income and deferred compensation expense Increase (Decrease) in Deferred Compensation and Postretirement Obligation Expenses The increase (decrease) during the reporting period in the amount due to fund non-pension benefits provided to former and retired employees and the increase (decrease) in the obligation created by employee agreements whereby earned compensation will be paid in the future. (Benefit) provision for doubtful accounts Provision for Doubtful Accounts Gain on disposal of property Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Gain on life insurance Gain on life insurance This item represents the gain (loss) realized during the period on proceeds of life insurance policies for which the entity is the beneficiary. Loss on sale of investments Gain (Loss) on Investments Increase in cash surrender value of life insurance policies Life Insurance, Corporate or Bank Owned, Change in Value Change in assets and liabilities: Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract] Inventories Increase (Decrease) in Inventories Receivables, prepaid and other assets Increase (Decrease) in Receivables and Prepaid Assets The increase (decrease) during the reporting period in the total amount due within one year from all parties, associated with underlying transactions that are classified as operating activities; and the increase (decrease) during the reporting period in the value of prepaid expenses and other assets not separately disclosed in the statement of cash flows, for example, deferred expenses, intangible assets,or income taxes. Investment in operating leases, net of repurchase obligations Increase (Decrease) in Investment in Operating Leases, Net of Repurchase Obligations The increase (decrease) during the reporting period in net investment in operating leases. Income taxes and unrecognized tax benefits Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Postretirement and deferred compensation benefits Increase (Decrease) in Postretirement Obligations Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from the sale of investments Proceeds from Sale of Available-for-sale Securities Proceeds from life insurance Proceeds from Life Insurance Policies Purchases of property and equipment Proceeds from the Sale of Property Proceeds from the Sale of Property The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale and from the sale of formerly productive assets held for sale. Payments of COLI borrowings Payments of COLI borrowings The net cash outflow for payments on borrowings from company-life insurance policies for which the entity is the beneficiary. Other Payments for (Proceeds from) Other Investing Activities Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Payments for purchases of common stock Payments for Repurchase of Common Stock Payments of cash dividends Payments of Ordinary Dividends, Common Stock Proceeds from exercise of stock options Proceeds from Stock Options Exercised Borrowings on loans Proceeds from Lines of Credit Repayments on loans Repayments of Lines of Credit Other Proceeds from (Payments for) Other Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents 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 Supplemental cash flow disclosure: Supplemental Cash Flow Information [Abstract] Income taxes paid (refunded), net Income Taxes Paid, Net Interest paid Interest Paid Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Motor homes, parts and service [Member] Motor homes, parts and service [Member] Motor homes, parts and service [Member] Towables [Member] Towables [Member] Towables [Member] Other manufactured products [Member] Other manufactured products [Member] Other manufactured products [Member] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] Postretirement health care benefit cost Postretirement health care benefit cost This represents the entire liability recognized in the balance sheet that is associated with the postretirement health care benefits. Non-qualified deferred compensation Non-qualified deferred compensation This represents the entire liability recognized in the balance sheet that is associated with the non-qualified deferred compensation plan. Executive share option plan liability Executive share option plan liability This represents the entire liability recognized in the balance sheet that is associated with the executive share option plans. SERP benefit liability SERP benefit liability This represents the entire liability recognized in the balance sheet that is associated with the SERP benefit plan. Executive deferred compensation Executive deferred compensation This represents the entire liability recognized in the balance sheet that is associated with the executive deferred compensation plan. Officers stock-based compensation Due to Officers or Stockholders, Noncurrent Total postretirement health care and deferred compensation benefits Pension and Other Postretirement Defined Benefit Plans, Liabilities Less current portion Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities, Current Long-term postretirement health care and deferred compensation benefits Other Postretirement Defined Benefit Plan, Liabilities, Noncurrent Product Liability Contingency [Table] Product Liability Contingency [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Class A, B, and C Motor Homes [Member] Class A And B And C Motorhomes [Member] Class A B C Motorhomes [Member] Class A and C Sidewalls and Floors [Member] Class A And C Sidewalls and Floors [Member] Class A and C Sidewalls and Floors [Member] Towable Products [Member] Towable Products [Member] Towable Products [Member] Product Liability Contingency [Line Items] Product Liability Contingency [Line Items] Warranty term Product Warranty Accrual, Warranty Term Product Warranty Accrual, Warranty Term Warranty distance (in miles) Product Warranty Accrual, Warranty Distance Product Warranty Accrual, Warranty Distance Performance-based annual plan employee award [Member] Performance-based annual plan employee award [Member] Performance-Based Annual Plan Employee Award [Member] Performance-Based Long-Term Plan Employee Award [Member] Performance-Based Long-Term Plan Employee Award [Member] Performance-Based Long-Term Plan Employee Award [Member] Time-based employee award [Member] Time Based Employee Award [Member] Time Based Employee Award [Member] Time-based directors award [Member] Time Based Director Award [Member] Time Based Director Award [Member] Director stock unit [Member] Director Stock Unit [Member] Director Stock Unit [Member] Stock-based compensation expense Allocated Share-based Compensation Expense Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Options [Member] Employee Stock Option [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive shares average price (in dollars per share) Antidilutive Securities Excluded from Computation of Earnings Per Share, Per Share Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Per Share Amount Revenue from External Customers by Products and Services [Table Text Block] Revenue from External Customers by Products and Services [Table Text Block] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Revenue from External Customers by Geographic Areas [Table Text Block] Interim Financial Information (Unaudited) Quarterly Financial Information [Text Block] Net Revenues Classifications Segment Reporting Disclosure [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of Sales [Member] Cost of Sales [Member] Accumulated Defined Benefit Plans Adjustment, Net Prior Service Cost (Credit) [Member] Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Unamortized Gain (Loss) [Member] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Amortization of prior service credit (net of tax) Amortization of net actuarial loss (net of tax) Total reclassifications (net of tax) Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Stock Options, Other Values [Table Text Block] Schedule of Share-based Compensation, Stock Options, Other Values [Table Text Block] Schedule of Share-based Compensation, Stock Options, Other Values [Table Text Block] Schedule of Nonvested Share Activity [Table Text Block] Schedule of Nonvested Share Activity [Table Text Block] Land [Member] Land [Member] Building and building improvements [Member] Building and Building Improvements [Member] Transportation [Member] Total property, plant and equipment, gross Property, Plant and Equipment, Gross Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property, plant and equipment, net Property, Plant and Equipment, Net Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Contingent Liabilities and Commitments Commitments and Contingencies Disclosure [Text Block] Employee and Retiree Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Balance at beginning of year Product Warranty Accrual Provision Product Warranty Accrual, Warranties Issued Claims paid Product Warranty Accrual, Payments Balance at end of year Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Property, Plant and Equipment, Disposals Property, Plant and Equipment, Disposals Dividends declared, per share Common Stock, Dividends, Per Share, Declared Line of Credit Facility [Table] Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity with no financial covenant restrictions Line of Credit Facility, Minimum Excess Borrowing Availability With No Financial Covenant Restrictions Line of Credit Facility, Minimum Excess Borrowing Availability With No Financial Covenant Restrictions Additional borrowing capacity Line of Credit Facility, Additional Borrowing Capacity Line of Credit Facility, Additional Borrowing Capacity Unused line fee Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Basis spread on variable interest rate Debt Instrument, Basis Spread on Variable Rate Repurchased stock restriction Line of Credit Facility Maximum Amount of Repurchased Company Stock Restrictions Line of Credit Facility Maximum Amount of Repurchased Company Stock Restrictions Property, Plant and Equipment and Assets Held for Sale Property, Plant and Equipment Disclosure [Text Block] Schedule of Other Nonoperating Income (Expense) [Table Text Block] Schedule of Other Nonoperating Income (Expense) [Table Text Block] Prior service credit Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax Net actuarial loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Accumulated other comprehensive (loss) income Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Aggregate intrinsic value of options exercised (1) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Net cash proceeds from the exercise of stock options Actual income tax benefit realized from stock option exercises Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Schedule of Postretirement Plan Amendments [Table Text Block] Schedule of Postretirement Plan Amendments [Table Text Block] Schedule of Postretirement Plan Amendments [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Investment in Life Insurance [Table Text Block] Investment in life insurance [Table Text Block] Investment in life insurance [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at beginning of year, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options granted, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Options exercised, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options canceled, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Outstanding at end of year, Shares Exercisable at end of year, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Purchase Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Price per Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Price per Price [Roll Forward] Outstanding at beginning of year, Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Price Per Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Price Per Price Options granted, Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Grants in Period, Outstanding, Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Grants in Period, Outstanding, Price Per Share Options exercised, Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Price per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Price per Share Options canceled, Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Price Per Share Outstanding at end of year, Price per Share (in dollars per share) Exercisable at end of year, Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding at beginning of year, Wtd. Avg. Exercise Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options granted, Wtd. Avg. Exercise Price per Share (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options exercised, Wtd. Avg. Exercise Price per Share (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options canceled, Wtd. Avg. Exercise Price per Share (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding at end of year, Wtd. Avg. Exercise Price per Share (in dollars per share) Exercisable at end of year, Wtd. Avg. Exercise Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Lease expense Operating Leases, Rent Expense Minimum future lease commitments under noncancelable lease agreements Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2016 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2017 Operating Leases, Future Minimum Payments, Due in Two Years 2018 Operating Leases, Future Minimum Payments, Due in Three Years 2019 Operating Leases, Future Minimum Payments, Due in Four Years 2020 Operating Leases, Future Minimum Payments, Due in Five Years Total Operating Leases, Future Minimum Payments Due Inventories Inventory Disclosure [Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Unrecognized tax benefits, decrease resulting from current period tax positions Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions Unrecognized tax benefits that would have a positive impact on effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Principles of Consolidation [Policy Text Block] Consolidation, Policy [Policy Text Block] Fiscal Period [Policy Text Block] Fiscal Period, Policy [Policy Text Block] Use of Estimates [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Fair Value Disclosures of Financial Instruments [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Derivatives Instruments and Hedging Activities [Policy Text Block] Derivatives, Policy [Policy Text Block] Allowance for Doubtful Accounts [Policy Text Block] Receivables, Policy [Policy Text Block] Inventories [Policy Text Block] Inventory, Policy [Policy Text Block] Property and Equipment [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Amortizable Intangible Assets [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Self-Insurance [Policy Text Block] Self-Insurance [Policy Text Block] Disclosure of accounting policy regarding self-insured liability reserves. Income Taxes [Policy Text Block] Income Tax, Policy [Policy Text Block] Legal [Policy Text Block] Legal Costs, Policy [Policy Text Block] Revenue Recognition [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Delivery Revenues and Expenses [Policy Text Block] Delivery Revenues and Expenses [Policy Text Block] Disclosure of accounting policy for the classification of delivery revenues and expenses. Concentration of Risk [Policy Text Block] Major Customers, Policy [Policy Text Block] Sales Promotions and Incentives [Policy Text Block] Revenue Recognition, Revenue Reductions [Policy Text Block] Repurchase Commitments [Policy Text Block] Repurchase and Resale Agreements Policy [Policy Text Block] Reporting Segment [Policy Text Block] Segment Reporting, Policy [Policy Text Block] Research and Development [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Advertising [Policy Text Block] Advertising Costs, Policy [Policy Text Block] Earnings Per Common Share [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Subsequent Events [Policy Text Block] Subsequent Events, Policy [Policy Text Block] New Accounting Pronouncements [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Investments and Fair Value Measurements Fair Value Disclosures [Text Block] Net Investment in Operating Leases and Operating Lease Repurchase Obligation Operating Leases of Lessor Disclosure [Text Block] Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Scenario [Axis] Forecasted stock-based comp expense [Member] Scenario, Forecast [Member] Nature of Expense [Axis] Nature of Expense [Axis] Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Share-based Payments [Member] Deferred Compensation, Share-based Payments [Member] Directors [Member] Director [Member] Key Management [Member] Key Management [Member] Key Management [Member] Non-Management Board Members [Member] Non Management Board Members [Member] Non Management Board Members [Member] 2004 Incentive Compensation Plans [Member] Incentive Compensation Plan, 2004 [Member] Incentive Compensation Plan, 2004 [Member] Annual Incentive Plan [Member] Annual Incentive Plan [Member] Annual Incentive Plan [Member] Long Term Incentive Plans [Member] Long-Term Incentive Plan [Member] Long-Term Incentive Plan [Member] 2014 Incentive Compensation Plan [Member] Incentive Compensation Plan 2014 [Member] Incentive Compensation Plan 2014 [Member] Awards Excluding Stock Options and Stock Appreciation Rights [Member] Awards Excluding Stock Options and Stock Appreciation Rights [Member] Awards Excluding Stock Options and Stock Appreciation Rights [Member] Non-time-based Awards [Member] Non-time-based Awards [Member] Non-time-based Awards [Member] Restricted Stock [Member] Restricted Stock [Member] Number of shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Term of award Share-based Compensation Arrangement by Share-based Payment Award, Term of Award Share-based Compensation Arrangement by Share-based Payment Award, Term of Award Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting initiation period from grant date Share-based Compensation Arrangement by Share-based Payment Award, Vesting Initiation Period from Grant Date Share-based Compensation Arrangement by Share-based Payment Award, Vesting Initiation Period from Grant Date Issuance of stock to directors (in shares) Stock Issued During Period, Shares, Share-based Compensation, Gross Annual incentive plan, portion paid in cash Annual Incentive Plan, Portion Paid in Cash Annual Incentive Plan, Portion Paid in Cash Annual incentive plan, portion paid in restricted stock Annual Incentive Plan, Portion Paid in Restricted Stock Annual Incentive Plan, Portion Paid in Restricted Stock Shares granted Shares granted, value Stock Granted, Value, Share-based Compensation, Gross Repurchased shares Stock Repurchased During Period, Shares Number of plans established Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans Established Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans Established Term of sale restriction period after grant Share-based Compensation Arrangement by Share-based Payment Award, Term of Sale Restriction Period After Grant Share-based Compensation Arrangement by Share-based Payment Award, Term of Sale Restriction Period After Grant Repurchased shares, value Stock Repurchased During Period, Value Aggregate intrinsic value of awards outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Intrinsic Value Aggregate intrinsic value of awards outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Intrinsic Value Stock Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Intrinsic Value Stock Units Weighted average remaining contractual life for outstanding options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual life for exercisable options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Unrecognized compensation expense related to restricted stock awards Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized compensation expense, period of recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Total fair value of awards vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Number of Key Management employees Number of Key Managment Employees Number of Key Management Employees Closing price of common stock on grant date Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Closing Price of Common Stock on Grant Date Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Closing Price of Common Stock on Grant Date Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Amortizable Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Cash value Cash value of COLI policies This item represents the cash value of COLI policies owned by the Entity as of the date of the statement of financial position. Borrowings Borrowings on COLI policies This item represents the borrowings on COLI policies owned by the Entity as of the date of the statement of financial position. Investment in life insurance Life Insurance, Corporate or Bank Owned, Amount Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Non-Operating Income and Expense Other Income and Other Expense Disclosure [Text Block] Inventory repurchased, units (in recreation vehicles) Number of units repurchased The number of units repurchased from dealers in the period. Inventory repurchased, dollars Value of units repurchased The value of inventory repurchased from dealers in the period. Inventory resold, units (in recreation vehicles) Number of repurchased units resold The number of repurchased units resold during the period. Inventory resold, cash collected Cash collected for resold repurchased units Cash collected for resold repurchased inventory during the period. Inventory resold, loss recognized Loss recognized on resold repurchased units Loss recognized on resold repurchased inventory during the period. Units in ending inventory (in recreation vehicles) Repurchased units in inventory The number of repurchased units in inventory as of the period ending date. Amortization of prior service credit (net of tax of $2,068, $1,944, and $1,791) Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Tax Amortization of net actuarial loss (net of tax of $337, $361, and $387) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Tax (Increase) decrease in actuarial loss (net of tax of $$1,348, $2,177, and $3,894) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Decrease (Increase) in Actuarial Loss, Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Decrease (Increase) in Actuarial Loss, Tax Plan amendment (net of tax of $1,364, $1,613, and $1,729) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Plan Amendment, Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Plan Amendment, Tax Unrealized appreciation (depreciation) of investments (net of tax of $91, $125, and $189) Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Impairment of fixed asset Impairment of Long-Lived Assets to be Disposed of Inventory, gross LIFO inventory amount LIFO Inventory Amount FIFO Towables inventory amount FIFO Inventory Amount Increase to LIFO reserves Gross profit Operating income (loss) Net income Net income (loss) per share (basic) (in dollars per share) Net income (loss) per share (diluted) (in dollars per share) Statement of Stockholders' Equity [Abstract] Common Shares [Member] Common Stock [Member] Additional Paid-In Capital (APIC) [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income [Member] AOCI Attributable to Parent [Member] Treasury Stock [Member] Treasury Stock [Member] Beginning balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Beginning balance (in shares) Shares, Issued Stock option exercises Stock Issued During Period, Value, Stock Options Exercised Stock option exercises (in shares) Creation/utilization of APIC pool due to stock award Adjustments to Additional Paid in Capital, Creation/Utilization of APIC Pool Due to Stock Award Adjustments to Additional Paid in Capital, Creation/Utilization of APIC Pool Due to Stock Award Issuance of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Vesting of directors' stock units Adjustments to Additional Paid in Capital, Vesting of Directors' Stock Units Adjustments to Additional Paid in Capital, Vesting of Directors' Stock Units Stock-based compensation, net of forfeitures Stock-based Compensation, Requisite Service Period Recognition This element represents the amount of recognized equity-based compensation during the period. Stock-based compensation, net of forfeitures (in shares) Stock-based Compensation, Requisite Service Period Recognition, Shares Number of shares of stock-based compensation during the period. Payments for the purchase of common stock Cash dividends paid and accrued on common stock Dividends, Common Stock, Cash Payments for the purchase of common stock (in shares) Prior service cost and actuarial loss, net of tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Plan amendment, net of tax Defined Benefit Plan, Plan Amendments, Net of Tax Defined Benefit Plan, Plan Amendments, Net of Tax Unrealized appreciation of investments, net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Ending balance Ending balance (in shares) Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Receivables, less allowance for doubtful accounts ($120 and $127, respectively) Accounts Receivable, Net, Current Inventories Net investment in operating leases Property Subject to or Available for Operating Lease, Net Prepaid expenses and other assets Prepaid Expense and Other Assets, Current Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Total current assets Assets, Current Property, plant, and equipment, net Investment in life insurance Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Goodwill Goodwill Other assets Other Assets, Noncurrent Total assets Assets Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Income taxes payable Accrued Income Taxes, Current Accrued expenses: Accrued Liabilities, Current [Abstract] Accrued compensation Employee-related Liabilities, Current Operating lease repurchase obligations Operating Lease Repurchase Obligations Amount of rental RV repurchase obligation per agreement Product warranties Product Warranty Accrual, Current Self-insurance Self Insurance Reserve, Current Accrued loss on repurchases Accrued Loss on Repurchases Estimated loss reserve for purchases of products previously sold. Promotional Accrued Marketing Costs, Current Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Total long-term liabilities: Liabilities, Noncurrent [Abstract] Unrecognized tax benefits Postretirement health care and deferred compensations benefits Total long-term liabilities Liabilities, Noncurrent Contingent liabilities and commitments Commitments and Contingencies Stockholders' equity: Capital stock common, par value $0.50; authorized 60,000 shares, issued 51,776 shares Common Stock, Value, Outstanding Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive (loss) income Treasury stock, at cost (24,825 and 24,727 shares, respectively) Treasury Stock, Value Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Dollar cap liability reduction Defined Benefit Plan, Dollar Cap Liability Reduction Defined Benefit Plan, Dollar Cap Liability Reduction Liability reduction due to plan amendment Amortization period Postretirement Health Care Plan Amendment Amortization Period The number of years that the postretirement health care plan amendment will be amortized. Goodwill amortizable for tax return purposes only Goodwill Amortizable for Tax Return Purposes Only Goodwill Amortizable for Tax Return Purposes Only Amortizable intangible assets, gross Finite-Lived Intangible Assets, Gross Amortization expense Amortization of Intangible Assets Prior service cost and actuarial loss, tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax Unrealized appreciation of investments, tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Plan amendment, tax Defined Benefit Plan, Plan Amendments, Tax Defined Benefit Plan, Plan Amendments, Tax Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Health reimbursement account Health Reimbursement Account Amount of health premiums reimbursed to retirees in the calendar year. Prior service cost (credit) Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit) Actuarial net gains (losses) Defined Benefit Plan, Future Amortization of Gain (Loss) Postretirement health care benefits age requirement before distribution occurs Defined Benefit Plan, Age Requirement Before Distribution Occurs Defined Benefit Plan, Age Requirement Before Distribution Occurs Postretirement health care benefits continuous service requirement Defined Benefit Plan, Service Requirement Defined Benefit Plan, Service Requirement Accumulated postretirement benefit obligation discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Actuarial (gain) loss Income Taxes Income Tax Disclosure [Text Block] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Auction Rate Securities [Member] Auction Rate Securities [Member] Available-for-sale securities Available-for-sale Securities Receivables, less allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Capital stock common, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Capital stock common, shares authorized (in shares) Common Stock, Shares Authorized Capital stock common, shares issued (in shares) Common Stock, Shares, Issued Treasury stock, at cost, shares (in shares) Treasury Stock, Shares Purchase Commitment, Excluding Long-term Commitment [Table] Purchase Commitment, Excluding Long-term Commitment [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Obligation to Repurchase from Dealers [Member] Obligation to Repurchase from Dealers [Member] Obligation to Repurchase from Dealers [Member] State Obligation to Repurchase [Member] State Obligation to Repurchase [Member] State Obligation to Repurchase [Member] Purchase Commitment, Excluding Long-term Commitment [Line Items] Purchase Commitment, Excluding Long-term Commitment [Line Items] Contingent liability on repurchase agreements Loss Contingency, Estimate of Possible Loss Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Total current tax provision Current Income Tax Expense (Benefit) Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Total deferred tax provision Deferred Income Tax Expense (Benefit), Including Adjustments Deferred Income Tax Expense (Benefit), Including Adjustments Total tax provision Subsequent Events Subsequent Events [Text Block] 2016 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Two 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Three 2019 Defined Benefit Plan, Expected Future Benefit Payments, Year Four 2020 Defined Benefit Plan, Expected Future Benefit Payments, Year Five 2021-2025 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter Total Defined Benefit Plan, Expected Future Benefit Payments, Total Defined Benefit Plan, Expected Future Benefit Payments, Total