Business Combinations [Abstract] Business Combinations Business Combination Disclosure [Text Block] Leases [Abstract] Leases Leases of Lessee Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets by Major Class Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Expected Amortization Expense Table Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Goodwill Schedule of Goodwill [Table Text Block] 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 Trading Symbol Trading Symbol 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 Payables and Accruals [Abstract] Accounts Payable and Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Income Tax Disclosure [Abstract] Federal statutory tax expense Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate, Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate, Inlcuding Discontinued Operations and Noncontrolling Interest State taxes, net of federal tax effect Income Tax Reconciliation, State and Local Income Taxes Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Reconciliation, State and Local Income Taxes Inlcuding Discontinued Operations and Noncontrolling Interest Credit for increasing research activities Income Tax Reconciliation, Tax Credits, Research Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Reconciliation, Tax Credits, Research Inlcuding Discontinued Operations and Noncontrolling Interest Deduction related to domestic production activities Income Tax Reconciliation, Deductions, Other Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Reconciliation, Deductions, Other Inlcuding Discontinued Operations and Noncontrolling Interest Valuation allowance Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance Inlcuding Discontinued Operations and Noncontrolling Interest Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Uncertain tax positions Income Tax Reconciliation, Uncertain Tax Position Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Reconciliation, Uncertain Tax Position Inlcuding Discontinued Operations and Noncontrolling Interest Other - net Income Tax Reconciliation, Other Adjustments Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Reconciliation, Other Adjustments Inlcuding Discontinued Operations and Noncontrolling Interest Total income tax expense Income Tax Expense (Benefit), Inlcuding Discontinued Operations and Noncontrolling Interest Income Tax Expense (Benefit), Inlcuding Discontinued Operations and Noncontrolling Interest Accounting Policies [Abstract] Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Balance at the beginning of the period Standard Product Warranty Accrual Accrual assumed from acquisition Standard Product Warranty Accrual, Additions from Business Acquisition Accruals for warranties issued during the period Standard Product Warranty Accrual, Warranties Issued Accrual(Recovery) related to pre-existing warranties Standard Product Warranty Accrual, Preexisting, Increase (Decrease) Settlements made during the period Standard Product Warranty Accrual, Payments Balance at the end of the period Equity [Abstract] Schedule of Shareholders' Equity [Table] Schedule of Shareholders' Equity [Table] Schedule of Shareholders' Equity [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Currency Translation Adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Unrealized Gains (Losses) on Marketable Securities [Member] Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Pension Postretirement Liability [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Derivative Financial Instruments [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Other Comprehensive Loss [Member] AOCI Attributable to Parent [Member] Schedule of Shareholders' Equity [Line Items] Schedule of Shareholders' Equity [Line Items] Schedule of Shareholders' Equity [Line Items] Accumulated Other Comprehensive (Loss) Income, Net of Tax [Roll Forward] Accumulated Other Comprehensive (Loss) Income, Net of Tax [Roll Forward] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Tax Less: Taxes Other Comprehensive Income (Loss), Tax Amounts reclassified from accumulated other comprehensive income, net of tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Ending Balance Present value of net minimum lease payments, including current maturities of $105 Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Operating Leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating leases, 2016 Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating leases, 2017 Operating Leases, Future Minimum Payments, Due in Two Years Operating leases, 2018 Operating Leases, Future Minimum Payments, Due in Three Years Operating leases, 2019 Operating Leases, Future Minimum Payments, Due in Four Years Operating leases, 2020 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total minimum lease payments Operating Leases, Future Minimum Payments Due Capitalized Leases, Assets Capital Leases, Balance Sheet, Assets by Major Class, Net [Abstract] Office equipment Capital Leased Assets, Gross Less: allowances for depreciation Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Capital leased assets, net Capital Leases, Balance Sheet, Assets by Major Class, Net Rent expense Operating Leases, Rent Expense Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Nonvested Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Stock Option Vested or Expected to Vest and are Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Schedule of Share-based Compensation Arrangement Other Information Schedule of Share-based Compensation Arrangement Other Information [Table Text Block] Schedule of Share-based Compensation Arrangement Other Information [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Statement [Line Items] Statement [Line Items] Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Common stock, par value 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 Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Quarterly Financial Information Disclosure [Abstract] Net sales Revenue, Net Cost of products sold Cost of Goods and Services Sold Gross profit Gross Profit Selling and administrative expenses Selling, General and Administrative Expense (Gain) loss on sale of assets Gain (Loss) on Disposition of Assets Restructuring related charges Restructuring, Settlement and Impairment Provisions Operating income Operating Income (Loss) Interest income (expense) – net Interest Income (Expense), Net Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income taxes Income Tax Expense (Benefit) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less: net income attributable to the noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to HNI Corporation Net Income (Loss) Attributable to Parent Net income (loss) attributable to HNI Corporation per common share – basic Earnings Per Share, Basic Weighted-average common shares outstanding – basic Weighted Average Number of Shares Outstanding, Basic Net income attributable to HNI Corporation per common share – diluted Earnings Per Share, Diluted Weighted-average common shares outstanding – diluted Weighted Average Number of Shares Outstanding, Diluted As a Percentage of Net Sales Percentage of Net Sales [Abstract] Percentage of Net Sales [Abstract] Net sales, percent Revenue, Net, Percentage Revenue, Net, Percentage Gross profit, percent Cost of Goods and Services Sold, Percentage Cost of Goods and Services Sold, Percentage Selling and administrative expenses, percent Selling, General and Administrative Expense, Percentage Selling, General and Administrative Expense, Percentage (Gain) loss on sale of assets, percent (Gain) Loss on Sale of Assets, Percentage (Gain) Loss on Sale of Assets, Percentage Restructuring related charges, percent Restructuring, Settlement and Impairment Provisions, Percentage Restructuring, Settlement and Impairment Provisions, Percentage Operating income (loss), percent Operating Income (Loss), Percentage Operating Income (Loss), Percentage Income taxes, percent Income Tax Expense (Benefit), Percentage Income Tax Expense (Benefit), Percentage Net income (loss) attributable to HNI Corporation, percent Net Income (Loss), Percentage Net Income (Loss), Percentage Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Restructuring and Related Activities [Abstract] Restructuring Related and Impairment Charges Restructuring and Related Activities Disclosure [Text Block] Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Property, Plant and Equipment, Net [Abstract] Property, Plant, and Equipment Property, Plant and Equipment Disclosure [Text Block] Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] 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] Selling and administrative expenses Tax (expense) or benefit Net of tax Net Income (Loss) Available to Common Stockholders, Basic Debt Disclosure [Abstract] Schedule of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Assets Assets [Abstract] Current Assets Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Short-term investments Short-term Investments Receivables, net Accounts Receivable, Net, Current Inventories, net Inventory, Net Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid expenses and other current assets Total Current Assets Assets, Current Property, Plant, and Equipment Property, Plant and Equipment, Net Goodwill Goodwill Other Assets Other Assets, Noncurrent Total Assets Assets Liabilities and Shareholders’ Equity Liabilities and Equity [Abstract] Current Liabilities Liabilities, Current [Abstract] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Note payable and current maturities of long-term debt and capital lease obligations Long-term Debt and Capital Lease Obligations, Current Current maturities of other long-term obligations Other Liabilities, Current Total Current Liabilities Liabilities, Current Long-Term Debt Long-term Debt, Excluding Current Maturities Other Long-Term Liabilities Other Liabilities, Noncurrent Deferred Income Taxes Deferred Tax Liabilities, Net, Noncurrent Commitments and Contingencies Commitments and Contingencies Shareholders’ Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock - $1 par value; Authorized: 2,000; Issued: None Preferred Stock, Value, Outstanding Common stock - $1 par value; Authorized 200,000; Issued and outstanding: 2015-44,158; 2014-44,166 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained Earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income Total HNI Corporation shareholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Total Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Liabilities and Equity Liabilities and Equity Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Summary of Quarterly Results of Operations (Unaudited) Quarterly Financial Information [Text Block] Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Valuation Allowance Summary of Valuation Allowance [Table Text Block] Summary of Income Tax Contingencies Summary of Income Tax Contingencies [Table Text Block] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Valuation Allowance of Deferred Tax Assets Valuation Allowance of Deferred Tax Assets [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Movement in Valuation Allowances and Reserves [Roll Forward] Movement in Valuation Allowances and Reserves [Roll Forward] Balance at beginning of period Valuation Allowances and Reserves, Balance Charged to costs and expenses Valuation Allowances and Reserves, Charged to Cost and Expense Adjustments to balance sheet Valuation Allowances and Reserves, Charged to Other Accounts Balance at end of period Schedule of Goodwill [Table] Schedule of Goodwill [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Statement, Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Reporting Unit One [Member] Reporting Unit One [Member] Reporting Unit One [Member] Reporting Unit Two [Member] Reporting Unit Two [Member] Reporting Unit Two [Member] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trade Names [Member] Trade Names [Member] One Trade Name [Member] One Trade Name [Member] One Trade Name [Member] Goodwill [Line Items] Goodwill [Line Items] Capitalized software, amortization Capitalized Computer Software, Amortization Amortization expense for definite-lived intangibles Amortization of Intangible Assets Discount rate utilized for each reporting unit with rates range, percent Discount Rate Utilized for Each Reporting Unit with Rates Range Discount Rate Utilized for Each Reporting Unit with Rates Range Near term growth, percent Near Term Growth Utilized for Each Reporting Unit with Rates Range Near Term Growth Utilized for Each Reporting Unit with Rates Range Terminal growth, percent Terminal Growth Utilized for Each Reporting Unit with Rates Range Terminal Growth Utilized for Each Reporting Unit with Rates Range Fair value exceeds carrying value, percent Fair Value Exceeds Carrying Value, Goodwill, Percent Fair Value Exceeds Carrying Value, Goodwill, Percent Decrease in fair value for every 100 basis point increase in discount rate Decrease in Fair Value for Every 100 Basis Point Increase in Discount Rate Decrease in Fair Value for Every 100 Basis Point Increase in Discount Rate Decrease in fair value for every 100 basis point decrease in long-term growth rate Decrease in Fair Value for Every 100 Basis Point Decrease in Long-term Growth Rate Decrease in Fair Value for Every 100 Basis Point Decrease in Long-term Growth Rate Trade names, net value Indefinite-Lived Intangible Assets (Excluding Goodwill) Fair Value Exceeds Carrying Value, Goodwill Fair Value Exceeds Carrying Value, Goodwill Fair Value Exceeds Carrying Value, Goodwill Royalty rate, percent Royalty Rate Utilized for Each Reporting Unit with Rates Range Royalty Rate Utilized for Each Reporting Unit with Rates Range Goodwill impairment Goodwill, Impairment Loss Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] Office Furniture [Member] 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] Patents [Member] Patents [Member] Software [Member] Computer Software, Intangible Asset [Member] Trademarks and Trade Names [Member] Trademarks and Trade Names [Member] Customer Lists and Other [Member] Customer Relationships [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Intangible assets impairment Impairment of Intangible Assets, Finite-lived Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Net intangible assets Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Future Amortization Expense [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2016 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Five 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] Equity Award [Domain] Restricted Stock Units (RSUs) [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, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, Beginning Balance, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding, Weighted-Average Exercise Price, Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted, Weighted-Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised, Weighted-Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited or Expired, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Forfeited or Expired, Weighted-Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding, Ending Balance, Number of Shares Outstanding, Weighted-Average Exercise Price, Ending Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding, Beginning Balance, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Outstanding, Beginning Balance, Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted, Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 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 Forfeited, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited, 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 Outstanding, Ending Balance, Shares Outstanding, Ending Balance, Weighted-Average Exercise Price Segment Reporting [Abstract] Reportable Segment Information Segment Reporting Disclosure [Text Block] Schedule of Cash, Cash Equivalents and Investments Schedule of Cash, Cash Equivalents and Investments [Table Text Block] Schedule of Cash, Cash Equivalents and Investments [Table Text Block] Allowance for Doubtful Accounts Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Product Warranties Schedule of Product Warranty Liability [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Stock by Class Schedule of Stock by Class [Table Text Block] Schedule of Accumulated Other Comprehensive Income Loss Table Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Schedule of Dividends Declared and Paid Per Share Schedule of Dividends Declared and Paid Per Share [Table Text Block] Schedule of Dividends Declared and Paid Per Share [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Notes Payable to Banks [Member] Notes Payable to Banks [Member] Senior Notes Due In 2016 [Member] Senior Notes Due In 2016 [Member] Senior Notes due in 2016, Fixed Rate 5.54% [Member] Other Notes and Amounts [Member] Other Notes and Amounts [Member] Other Notes and Amounts [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term Debt, Current and Noncurrent [Abstract] Long-term Debt, Current and Noncurrent [Abstract] Long-term debt Long-term Debt Less: current portion Long-term Debt, Current Maturities Long-term debt Long-term Debt, by Maturity [Abstract] Long-term Debt, Fiscal Year Maturity [Abstract] 2016 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2017 Long-term Debt, Maturities, Repayments of Principal in Year Two 2018 Long-term Debt, Maturities, Repayments of Principal in Year Three 2019 Long-term Debt, Maturities, Repayments of Principal in Year Four 2020 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Variable rate long-term debt Long-term Debt, Percentage Bearing Variable Interest, Amount Long-term debt, fair value Long-term Debt, Fair Value Accordion feature Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Notes payable effective interest rate Debt Instrument, Interest Rate, Effective Percentage Senior notes state interest rate Debt Instrument, Interest Rate, Stated Percentage Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Compensation and Retirement Disclosure [Abstract] Components of Net Periodic Postretirement Benefit Cost Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Expected Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Schedule Of Inventory Current Table Schedule of Inventory, Current [Table Text Block] Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Schedule of Restructuring Costs [Table] Schedule of Restructuring and Related Costs [Table] Income Statement Location [Axis] Income Statement Location [Domain] Cost of Sales [Member] Cost of Sales [Member] Restructuring and Impairment Charges [Member] Restructuring and Impairment Charges [Member] Restructuring and Impairment Charges [Member] Property, Plant and Equipment by Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Machinery and Equipment [Member] Machinery and Equipment [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Facility Exit Costs [Member] Facility Closing [Member] Severance and Facility Exit Costs [Member] Severance and Facility Exit Costs [Member] Severance and Facility Exit Costs [Member] Office Furniture [Member] Office Furniture [Member] Office Furniture [Member]. Florence Chicago Nalagarh [Member] Florence Chicago Nalagarh [Member] Florence Chicago Nalagarh [Member] Hearth Products [Member] Hearth Products [Member] Hearth Products [Member]. Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring costs Restructuring and Related Cost, Incurred Cost Restructuring accelerated depreciation costs Restructuring and Related Cost, Accelerated Depreciation Restructuring charges Restructuring Charges Commitments and Contingencies Disclosure [Abstract] Guarantees, Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Postretirement Health Care Pension and Other Postretirement Benefits Disclosure [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Cash, Cash Equivalents and Investments Cash, Cash Equivalents and Investments Policy [Policy Text Block] Cash, Cash Equivalents and Investments Policy [Policy Text Block] Receivables Receivables, Policy [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Product Warranties Standard Product Warranty, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Product Development Costs Research and Development Expense, Policy [Policy Text Block] Freight Expense Freight Expense Policy [Policy Text Block] Freight Expense Policy [Policy Text Block] Stock-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Self-Insurance Self-Insurance Policy [Policy Text Block] Self-Insurance Policy [Policy Text Block] Foreign Currency Translations Foreign Currency Transactions and Translations Policy [Policy Text Block] Reclassifications Reclassifications Policy [Policy Text Block] Reclassifications Policy [Policy Text Block] Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Annual sales of company acquired Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period Acquisition cost Business Combination, Consideration Transferred Estimated annual savings Effect on Future Earnings, Amount Closure and consolidation charges Restructuring and Related Cost, Expected Cost Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Systems and Storage [Member] Systems and Storage Products [Member] Systems and Storage Products [Member] Seating [Member] Seating Products [Member] Seating Products [Member] Other [Member] Other Product Category [Member] Other Product Category [Member] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Net current deferred tax assets: Components of Deferred Tax Assets [Abstract] Allowance for doubtful accounts Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Long-Term Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Long-Term Inventory differences Deferred Tax Assets, Inventory Marketing accrual Deferred Tax Assets, Tax Deferred Expense, Marketing Reserves Deferred Tax Assets, Tax Deferred Expense, Marketing Reserves Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Accrued post-retirement benefit obligations Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits OCI tax effected items Deferred Tax Assets, Other Comprehensive Loss Vacation accrual Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Compensated Absences Warranty Accrual Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Other – net Deferred Tax Assets, Other, Long-Term Deferred Tax Assets, Other, Long-Term Total deferred tax assets Deferred Tax Assets, Gross, Noncurrent Net long-term deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Deferred income Deferred Tax Liabilities, Tax Deferred Income Goodwill Deferred Tax Liabilities, Goodwill Prepaids Deferred Tax Liabilities, Prepaid Expenses Tax over book depreciation Deferred Tax Liabilities, Property, Plant and Equipment Total deferred tax liabilities Deferred Tax Liabilities, Gross, Noncurrent Valuation allowance Deferred Tax Liabilities, Valuation Allowance Deferred Tax Liabilities, Valuation Allowance Total net deferred tax liabilities Deferred Tax Liabilities, Net Current net deferred tax assets Deferred Tax Assets, Net, Current Long term net deferred tax liabilities General Accounting Policies [Table] General Accounting Policies [Table] General Accounting Policies [Table] Land Improvements [Member] Land Improvements [Member] Buildings [Member] Building [Member] General Accounting Policies [Line Items] General Accounting Policies [Line Items] General Accounting Policies [Line Items] Amortized cost basis of the debt securities Available-for-sale Securities, Amortized Cost Basis Gross unrealized gain Available-for-sale Securities, Gross Unrealized Gain Gross unrealized loss Available-for-sale Securities, Gross Unrealized Loss Allowance for doubtful accounts receivable, current Allowance for Doubtful Accounts Receivable, Current Percentage of LIFO inventory Percentage of LIFO Inventory Effect of LIFO inventory, decrease in cost of goods sold Effect of LIFO Inventory Liquidation on Income LIFO reserve Inventory, LIFO Reserve Useful life, minimum Property, Plant and Equipment, Useful Life Reserve for estimated warranty settlements, current Standard Product Warranty Accrual, Current Reserve for estimated warranty settlements, noncurrent Standard Product Warranty Accrual, Noncurrent Product development costs Research and Development Expense Freight expense Freight Costs Accumulated foreign earnings considered permanently reinvested Undistributed Earnings of Foreign Subsidiaries Income tax effect of repatriation of foreign earnings Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount Antidilutive securities excluding from computation of earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Insurance liabilities Insurance Liabilities Insurance Liabilities Investor Information [Abstract] Investor Information [Abstract] Market Price, High Common Stock, Market Price, High Common Stock, Market Price, High Market Price, Low Common Stock, Market Price, Low Common Stock, Market Price, Low Dividends per Share Common Stock, Dividends, Per Share, Cash Paid Diluted Earnings per Share Price/Earnings Ratio, High Common Stock Market Price Earnings Ratio, High Common Stock Market Price/Earnings Ratio Price/Earnings Ratio, Low Common Stock Market Price Earnings Ratio, Low Common Stock Market Price/Earnings Ratio, Low Price/Earnings Ratio, High, Five-Years Average Common Stock Market Price Earnings Ratio, High, Average for the Last Five Years Common Stock Market Price/Earnings Ratio, High, Average for the Last Five Years Price/Earnings Ratio, Low, Five-Years Average Common Stock Market Price Earnings Ratio, Low, Average for the Last Five Years Common Stock Market Price/Earnings Ratio, Low, Average for the Last Five Years Schedule of Common Stock Market Price and Dividends Schedule of Common Stock Market Price and Dividends [Table Text Block] Schedule of Common Stock Market Price and Dividends [Table Text Block] Schedule of Common Stock Market Price and Price/Earnings Ratio Schedule of Common Stock Market Price and Price Earnings Ratio [Table Text Block] Schedule of Common Stock Market Price and Price/Earnings Ratio [Table Text Block] Finished products Inventory, Finished Goods, Gross Materials and work in process Inventory, Work in Process and Raw Materials LIFO reserve Inventories, net Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Investor Information Investor Information [Text Block] Investor Information [Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingencies by Nature of Contingency [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Standby Letters of Credit [Member] Standby Letters of Credit [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Letters of credit used to back insurance policies and other obligations Letters of Credit Outstanding, Amount Common shares Common Stock, Dividends, Per Share, Declared Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Unallocated Amount to Segment [Member] Segment Reconciling Items [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of business segments Number of Reportable Segments Net sales Operating profit Segment Reporting Information Operating Profit Loss Segment Reporting Information, Operating Profit (Loss). Unallocated corporate expense Segment Reporting Information Unallocated Corporate Expense Segment Reporting Information Unallocated Corporate Expense. Income before income taxes Depreciation and amortization expense Depreciation, Depletion and Amortization Capital expenditures Segment Reporting Information, Capital Expenditures Segment Reporting Information, Capital Expenditures Identifiable assets Segment reporting information restructuring and impairment charges Segment Reporting Information Restructuring and Impairment Charges Segment Reporting Information Restructuring and Impairment Charges. Current: Current Income Tax Expense (Benefit), Inlcuding Discontinued Operations and Noncontrolling Interest [Abstract] Current Income Tax Expense (Benefit), Inlcuding Discontinued Operations and Noncontrolling Interest [Abstract] Federal Current Federal Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Current Federal Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest State Current State and Local Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Current State and Local Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Foreign Current Foreign Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Current Foreign Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Current provision Current Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Current Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Deferred: Deferred Income Tax Expense (Benefit), Inlcuding Discontinued Operations and Noncontrolling Interest [Abstract] Deferred Income Tax Expense (Benefit), Inlcuding Discontinued Operations and Noncontrolling Interest [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Deferred Federal Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest State Deferred State and Local Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Deferred State and Local Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Foreign Deferred Foreign Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Deferred Foreign Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Deferred provision Deferred Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Deferred Income Tax Expense (Benefit) Inlcuding Discontinued Operations and Noncontrolling Interest Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Land and Land Improvements [Member] Construction and Equipment Installation in Progress [Member] Construction and Equipment Installation in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Gross Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment Depreciation Depreciation Statement of Stockholders' Equity [Abstract] Cash dividends paid per common share Expected term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected volatility: Expected Volatility [Abstract] Expected Volatility [Abstract] Range used, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Range used, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Weighted-average Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Expected dividends yield: Expected Dividends Yield [Abstract] Expected Dividends Yield [Abstract] Range used Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Weighted-average Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Rate Risk-Free Interest Rate [Abstract] Risk-Free Interest Rate [Abstract] Risk-Free Interest Rate [Abstract] Range used, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Range used, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Range used Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Income Statement [Abstract] Restructuring and impairment charges Interest income Investment Income, Interest Interest expense Interest Expense Net income Less: Net (loss) attributable to the noncontrolling interest Net income attributable to HNI Corporation per common share – basic Weighted average shares outstanding – basic Weighted average shares outstanding - diluted Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Change in unrealized gains and losses on marketable securities (net of tax) Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Change in pension and postretirement liabilty (net of tax) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Change in derivative financial instruments (net of tax) Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other comprehensive income(loss) net of tax Other Comprehensive Income (Loss), Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: Comprehensive (loss) attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to HNI Corporation Comprehensive Income (Loss), Net of Tax, Attributable to Parent Business Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Net Sales by Product Category Schedule of Segment Reporting Information, by Product Category [Table Text Block] Schedule of Segment Reporting Information, by Product Category [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Other Postretirement Benefit Plan [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Change in benefit obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at beginning of year Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Benefits paid Defined Benefit Plan, Benefits Paid Actuarial (gain)/loss Defined Benefit Plan, Actuarial Gain (Loss) Benefit obligation at end of year Change in plan assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Fair value at beginning of year Defined Benefit Plan, Fair Value of Plan Assets Actual return on assets Defined Benefit Plan, Actual Return on Plan Assets Employer contribution Defined Benefit Plan, Contributions by Employer Transferred out Defined Benefit Plan, Transfers Between Measurement Levels Fair value at end of year Funded Status of Plan Defined Benefit Plan, Funded Status of Plan Amounts recognized in the Statement of Financial Position consist of: Pension and Other Postretirement Defined Benefit Plans, Liabilities [Abstract] Current liabilities Pension and Other Postretirement Defined Benefit Plans, Current Liabilities Noncurrent liabilities Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Amounts recognized in Accumulated Other Comprehensive Income (before tax) consist of: Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract] Actuarial (gain)/loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Transition (asset)/obligation Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Transition Assets (Obligations), before Tax Prior service cost Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax Change in Accumulated Other Comprehensive Income (before tax): Change in Accumulated Other Comprehensive Income, Before tax [Roll Forward] Change in Accumulated Other Comprehensive Income, Before tax [Roll Forward] Change in accumulated other comprehensive income (before tax), beginning of period Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax Actuarial (gain)/loss Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax Amortization of actuarial gain or loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax Amortization of transition amount Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition Asset (Obligation), before Tax Amortization of prior service cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax Change in accumulated other comprehensive income (before tax), end of period Other Postretirement Benefit Plans, Defined Benefit [Member] Service cost Defined Benefit Plan, Service Cost In Year One Defined Benefit Plan, Service Cost In Year One Interest cost Defined Benefit Plan, Interest Cost In Year One Defined Benefit Plan, Interest Cost In Year One Amortization of net (gain)/loss Defined Benefit Plan, Amortization of Gains (Losses) In Year One Defined Benefit Plan, Amortization of Gains (Losses) In Year One Net periodic postretirement benefit cost/(income) Defined Benefit Plan, Net Periodic Benefit Cost In Year One Defined Benefit Plan, Net Periodic Benefit Cost In Year One Vested or expected to vest, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Vested or expected to vest, Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Vested or expected to vest, Weighted-Average Remaining Life inYears Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Vested or expected to vest, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Exercisable, Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Exercisable, Weighted-Average Remaining Life inYears Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Exercisable, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Operations Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Long-Term Debt Debt Disclosure [Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Discount rates at fiscal year-end Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Discount rate, used to determine net periodic benefit cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Interest paid (net of capitalized interest) Interest Paid Income taxes paid Income Taxes Paid Purchases of property and equipment Non-cash Transaction, Accrued Purchases of Property, Plant and Equipment Non-cash Transaction, Accrued Purchases of Property, Plant and Equipment Purchases of capitalized software Non-cash Transaction, Capitalized Computer Software Non-cash Transaction, Capitalized Computer Software Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Total intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Cash received from exercise of stock options Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options Tax benefit realized from exercise of stock options Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options Fiscal period Fiscal Period Duration Common Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Accumulated Other Comprehensive (Loss) Income [Member] Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance Comprehensive income: Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Net income (loss) Other comprehensive (loss) (net of tax) Distributions to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Change in ownership of noncontrolling interest Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Cash dividends (dollars per share) Dividends, Common Stock, Cash Common shares – treasury: Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract] Shares purchased Treasury Stock, Value, Acquired, Par Value Method Shares issued under Members’ Stock Purchase Plan and stock awards Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Ending Balance Subsequent Events Subsequent Events [Text Block] Trade accounts payable Accounts Payable, Trade, Current Compensation Accrued Salaries, Current Profit sharing and retirement expense Accrued Profit Sharing and Retirement Expense, Current Profit Sharing and Retirement Expense, Current Marketing expenses Accrued Marketing Costs, Current Freight Accrued Freight Cost, Current Accrued Freight Cost, Current Other accrued expenses Other Accrued Liabilities, Current Accounts payable and accrued expenses Schedule of Quarterly Financial Information Schedule of Quarterly Financial Information [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Vermont Castings Group [Member] [Member] Vermont Castings Group [Member] [Member] Vermont Castings Group [Member] [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Cash paid for acquisition Payments to Acquire Businesses, Gross Purchase price allocation on intangible assets, other than goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Useful life Finite-Lived Intangible Asset, Useful Life Purchase price allocation on goodwill Reconciliation of Unrecognized Tax Benefits [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Unrecognized tax benefits, beginning of period Unrecognized Tax Benefits Unrecognized Tax Benefits, Increase Resulting from Acquisition Unrecognized Tax Benefits, Increase Resulting from Acquisition Increases (decreases) in positions taken in a prior period Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Decreases in positions taken in a prior period Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Increases in positions taken in a current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Decrease due to settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Decrease due to lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Unrecognized tax benefits, end of period Fair Value Disclosures [Abstract] Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value by 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] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) [Member] Fair Value, Inputs, Level 3 [Member] Investment Type [Axis] Investment Type [Axis] Investment Type [Domain] Investments [Domain] Government Securities [Member] US Government Debt Securities [Member] Corporate Bonds [Member] Corporate Debt Securities [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] Assets Fair Value Disclosure [Abstract] Assets, Fair Value Disclosure [Abstract] Available-for-sale securities, fair value disclosure Available-for-sale Securities Derivative financial instruments Derivative, Fair Value, Net Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill, beginning balance Goodwill, Gross Accumulated impairment losses, beginning balance Goodwill, Impaired, Accumulated Impairment Loss Goodwill, beginning balance Goodwill acquired during the year Goodwill, Acquired During Period Impairment losses Final purchase price allocations/contingent payments from prior year acquisitions Final Purchase Price Allocations Contingent Payments from Prior Year Acquisitions Final Purchase Price Allocations/Contingent Payments from Prior Year Acquisitions Foreign currency translation adjustment Goodwill, Translation Adjustments Goodwill, ending balance Accumulated impairment losses, ending balance Goodwill, ending balance Statement of Cash Flows [Abstract] Net Cash Flows From (To) Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Noncash items included in net income: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Other postretirement and post-employment benefits Pension and Other Postretirement Benefit Expense Stock-based compensation Share-based Compensation Excess tax benefits from stock compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Deferred income taxes Deferred Income Taxes and Tax Credits Net (gain) loss on sale of long-lived assets Net Loss On Sales Retirements And Impairments of Long Lived Assets And Intangibles Net Loss on Sales, Retirements and Impairments of Long-Lived Assets and Intangibles Loss on impairment of intangibles Goodwill and Intangible Asset Impairment Loss on sale of business Gain (Loss) on Disposition of Business Other – net Other Noncash Income (Expense) Changes in working capital, excluding acquisition and disposition: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Receivables Inventories Increase (Decrease) in Inventories Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Income taxes Increase (Decrease) in Income Taxes Payable Increase (decrease) in other liabilities Increase (Decrease) in Other Operating Liabilities Net cash flows from (to) operating activities Net Cash Provided by (Used in) Operating Activities Net Cash Flows From (To) Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Productive Assets Proceeds from sale of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Capitalized software Payments to Acquire Software Acquisition spending, net of cash acquired Payments to Acquire Businesses and Interest in Affiliates Purchase of investments Payments to Acquire Investments Sales or maturities of investments Proceeds from Sale and Maturity of Other Investments Other – net Payments for (Proceeds from) Other Investing Activities Net cash flows from (to) investing activities Net Cash Provided by (Used in) Investing Activities Net Cash Flows From (To) Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Purchase of HNI Corporation common stock Payments for Repurchase of Common Stock Withholding related to net share settlements of equity based awards Payments Related to Tax Withholding for Share-based Compensation Proceeds from note and long-term debt Proceeds from Issuance of Long-term Debt Payments of note and long-term debt and other financing Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Proceeds from sale of HNI Corporation common stock Proceeds from Issuance of Common Stock Excess tax benefits from stock compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Dividends paid Payments of Dividends Net cash flows from (to) 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 year Cash and cash equivalents at end of year Income Taxes Income Tax Disclosure [Text Block] Fair Value Measurements of Financial Instruments Fair Value Disclosures [Text Block] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Officer [Member] Officer [Member] Corporation's Chairman, President and CEO [Member] Corporation's Chairman, President and CEO [Member] Corporation's Chairman, President and CEO [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Director Plan [Member] Director Plan [Member] Director Plan [Member] Purchase Plan [Member] Purchase Plan [Member] Purchase Plan [Member] Amount of ineffective hedge Treasury stock, shares acquired Treasury Stock, Shares, Acquired Shares available for future issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Corporation common stock, issued Deferred Compensation Arrangement with Individual, Shares Issued Rights to purchase stock, minimum working hours per week Rights to Purchase Stock, Minimum Working Hours per Week Rights to Purchase Stock, Minimum Working Hours per Week Rights to purchase stock, minimum working months per year Rights to Purchase Stock, Minimum Working Months per Year Rights to Purchase Stock, Minimum Working Months per Year Price of repurchased stock as percent of closing price on the exercise date Price of Repurchased Stock as Percent of Closing Price on the Exercise Date Price of Repurchased Stock as Percent of Closing Price on the Exercise Date Maximum amount fair value for purchase of common stock Maximum Amount Fair Value for Purchase of Common Stock Maximum Amount Fair Value for Purchase of Common Stock Shares of common stock issued Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Common stock issued at average price Common Stock Issued at Average Price Common Stock Issued at Average Price Shares available for future issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Change in control percentage Supplemental Unemployment Benefits, Change in Control, Change in Control Percentage Supplemental Unemployment Benefits, Change in Control, Change in Control Percentage Percent of board members Supplemental Unemployment Benefits, Change in Control, Percent of Board Members Threshold Not Recommended by Three Fourths of Incumbent Board Supplemental Unemployment Benefits, Change in Control, Percent of Board Members Threshold Not Recommended by Three Fourths of Incumbent Board Number of times annual salary Supplemental Unemployment Benefits, Change in Control, Percent of Supplemental Unemployment Benefits, Change in Control, Salary Multiplier Supplemental Unemployment Benefits, Change in Control, Salary Multiplier Term of employment agreement Supplemental Unemployment Benefits, Change in Control, Term of Employment Agreement Supplemental Unemployment Benefits, Change in Control, Term of Employment Agreement Average number of years for bonus payment Supplemental Unemployment Benefits, Change in Control, Bonus Multiplier Supplemental Unemployment Benefits, Change in Control, Bonus Multiplier Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Capitalized and Operating Leases Capitalized and Operating Leases of Lessee Disclosure [Table Text Block] [Table Text Block] Capitalized and Operating Leases of Lessee Disclosure [Table Text Block] [Table Text Block] Schedule of Capital Leased Asssets Schedule of Capital Leased Assets [Table Text Block] Fiscal 2016 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months Fiscal 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Two Fiscal 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Three Fiscal 2019 Defined Benefit Plan, Expected Future Benefit Payments, Year Four Fiscal 2020 Defined Benefit Plan, Expected Future Benefit Payments, Year Five Fiscal 2021 – 2025 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter Expected Contributions During Fiscal 2016 Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year Valuation Allowance [Table] Valuation Allowance [Table] Allowance for Doubtful Accounts [Member] Allowance for Doubtful Accounts [Member] Valuation Allowance [Line Items] Valuation Allowance [Line Items] Balance at beginning of period Amounts written off, net of recoveries and other adjustments Valuation Allowances and Reserves, Deductions Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Cliff Vesting [Member] Cliff Vesting [Member] Cliff Vesting [Member] The Plan [Member] The Plan [Member] The Plan [Member] Restricted Stock [Member] Restricted Stock [Member] Restricted Stock Units (RSUs) [Member] Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Exercised period Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Period Stock-based compensation expense Allocated Share-based Compensation Expense Income tax benefit recognized Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Unrecognized compensation cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Nonvested stock, weighted average period, in years Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Weighted-average grant-date fair value of option granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Schedule of Cash, Cash Equivalents and Investments [Table] Schedule of Cash, Cash Equivalents and Investments [Table] Schedule of Cash, Cash Equivalents and Investments [Table] Schedule of Cash, Cash Equivalents and Investments [Axis] Schedule of Cash, Cash Equivalents and Investments [Axis] Schedule of Cash, Cash Equivalents and Investments [Axis] Schedule of Cash, Cash Equivalents and Investments [Domain] Schedule of Cash, Cash Equivalents and Investments [Domain] Schedule of Cash, Cash Equivalents and Investments [Domain] Certificates of Deposit [Member] Certificates of Deposit [Member] Debt Securities [Member] Debt Securities [Member] Cash and Money Markets Accounts [Member] Cash and Money Markets Accounts [Member] Cash and Money Markets Accounts [Member] Schedule of Cash, Cash Equivalents and Investments [Line Items] Schedule of Cash, Cash Equivalents and Investments [Line Items] Schedule of Cash, Cash Equivalents and Investments [Line Items] Long-term investments Long-term Investments Restructuring Cost and Reserve [Axis] Severance Costs [Member] Employee Severance [Member] Facility Termination & Other Costs [Member] Facility Termination and Other Costs [Member] Facility Termination and Other Costs [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring reserve at beginning of period Restructuring Reserve Cash payments Payments for Restructuring Restructuring reserve at end of period Numerators: Numerator Per Share Calculation Basic And Diluted [Abstract] Numerator Per Share Calculation Basic And Diluted [Abstract]. Numerators for both basic and diluted EPS net income attributable to parent company Denominators: Denominator Per Share Calculation Basic And Diluted [Abstract] Denominator Per Share Calculation Basic And Diluted [Abstract]. Denominator for basic EPS weighted- average common shares outstanding Potentially dilutive shares from stock-based compensation plans (shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Denominator for diluted EPS (shares) Earnings per share - basic Earnings per share - diluted Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Operating Loss Carryforwards by Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] State and Local Jurisdiction [Member] State and Local Jurisdiction [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Operating loss carryforwards Operating Loss Carryforwards Tax credit carryforward, amount Tax Credit Carryforward, Amount Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Undistributed Earnings of Foreign Subsidiaries Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Pension Plans, Defined Benefit [Member] Pension Plan [Member] Anual contributions by employer Defined Contribution Plan, Employer Discretionary Contribution Amount