Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Recognized actuarial loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Letters of Credit Letter of Credit [Member] Net income Net income Net Income (Loss) Attributable to Parent Entity Emerging Growth Company Entity Emerging Growth Company Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Interest cost Defined Benefit Plan, Interest Cost Accrued compensation Employee-related Liabilities, Current Statistical Measurement [Domain] Statistical Measurement [Domain] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Proceeds from sale of property, plant, and equipment Proceeds from Sale of Property, Plant, and Equipment Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Amount of transaction price from contracts with customers allocated to the Company's contract liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Defined benefit plans, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Paid-in capital Additional Paid in Capital, Common Stock Entity Filer Category Entity Filer Category Restructuring Type [Axis] Restructuring Type [Axis] Senior unsecured public notes, net of unamortized discount and deferred costs 2.150% Senior Unsecured Notes Due December 2030 2.150% Senior Unsecured Notes Due December 2030 [Member] 2.150% Senior Unsecured Notes Due December 2030 Other long-term assets Other Assets, Noncurrent Other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Segments [Axis] Segments [Axis] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Components of Interest Expense, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Adjustments to provisional amounts from acquired businesses Goodwill, Purchase Accounting Adjustments Document Fiscal Year Focus Document Fiscal Year Focus Subsequent Event Type [Domain] Subsequent Event Type [Domain] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Amortization of intangible assets Amortization of Intangible Assets Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Identified intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Weighted average useful life of acquired intangible assets Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Awards excluded from diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Inventory Schedule of Inventory, Current [Table Text Block] The Luminaires Group (TLG) The Luminaires Group (TLG) [Member] The Luminaires Group (TLG) [Member] Revenue recognized from beginning balances of contract liabilities Contract with Customer, Liability, Revenue Recognized Subsequent Events [Abstract] Subsequent Events [Abstract] Business Combination and Asset Acquisition [Abstract] Facility fee (percent) Line of Credit Facility, Commitment Fee Percentage Business Acquisition [Axis] Business Acquisition [Axis] Line of Credit Facility [Abstract] Line of Credit Facility [Abstract] Accrued pension liabilities Liability, Defined Benefit Plan, Noncurrent Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] ASSETS Assets [Abstract] Land Land [Member] Industrial Revenue Bond Maturing in 2021 [Member] Industrial Revenue Bond Maturing in 2021 Industrial Revenue Bond Maturing in 2021 [Member] Industrial Revenue Bond [Member] Fiscal 2020 Acquisitions Fiscal 2020 Acquisitions [Member] Fiscal 2020 Acquisitions [Member] New Accounting Pronouncement, Early Adoption [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Concentration (percent) Concentration Risk, Percentage Preferred stock, $0.01 par value; 50,000,000 shares authorized; none issued Preferred Stock, Value, Issued Proceeds from stock option exercises and other Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised New Accounting Pronouncement, Early Adoption [Table] Accounting Standards Update and Change in Accounting Principle [Table] Entity Address, City or Town Entity Address, City or Town Retained Earnings Retained Earnings [Member] Debt Instrument [Axis] Debt Instrument [Axis] Prepayments and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Payments and other deductions Standard Product Warranty Accrual, Decrease for Payments Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Accounts receivable Increase (Decrease) in Accounts Receivable Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] New Revolving Credit Facility New Revolving Credit Facility [Member] New Revolving Credit Facility [Member] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Property, plant and equipment held for sale Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Entity Interactive Data Current Entity Interactive Data Current Number of challenged statements allowed to proceed to discovery Loss Contingency, Pending Claims, Number Revenue Recognition Revenue from Contract with Customer [Text Block] Document Type Document Type Revenue from contracts with customers by sales channel Disaggregation of Revenue [Table Text Block] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Entity Current Reporting Status Entity Current Reporting Status Cumulative effect of adoption of ASC 326 Cumulative Effect, Period of Adoption, Adjustment [Member] Machinery and equipment Machinery and Equipment [Member] Goodwill [Roll Forward] Goodwill [Roll Forward] Diluted earnings per share (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Debt outstanding Long-term Debt Bank loans Bank Loan Obligations [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Document Transition Report Document Transition Report Warranty and recall costs Standard Product Warranty Accrual, Increase for Warranties Issued Debt issuance price as a percentage of face value (percent) Debt, Issuance Price, Percentage of Face Value Debt, Issuance Price, Percentage of Face Value Base rate Base Rate [Member] Industrial revenue bond Nontaxable Municipal Bonds [Member] Total liabilities and stockholders’ equity Liabilities and Equity Other accrued liabilities Other Accrued Liabilities, Current Current deferred revenues Contract with Customer, Liability, Current Concentration Risk [Line Items] Concentration Risk [Line Items] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Accounts payable Increase (Decrease) in Accounts Payable Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Amortization of defined benefit pension items, tax Reclassification from AOCI, Current Period, Tax Earnings Per Share Earnings Per Share [Text Block] Amortization expense in fiscal 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Four Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Stock options exercised Stock Issued During Period, Value, Stock Options Exercised Minimum Minimum [Member] Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Gross profit Gross Profit Borrowings outstanding under current Revolving Credit Facility Long-term Line of Credit Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents ISG ISG Intelligent Spaces Group [Member] Intelligent Spaces Group Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Selling, distribution, and administrative expenses Selling, General and Administrative Expense Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Preferred stock, shares authorized (shares) Preferred Stock, Shares Authorized Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Balance, beginning of period Balance, end of period Restructuring Reserve Trading Symbol Trading Symbol Amortization of defined benefit pension items, after tax Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Deferred income taxes Deferred Income Tax Assets, Net Current liabilities: Liabilities, Current [Abstract] Acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Foreign Currency Items Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Restructuring Plan [Domain] Restructuring Plan [Domain] Debt and Lines of Credit Debt Disclosure [Text Block] Share-based Payments Share-based Payment Arrangement [Text Block] Dividends paid Payments of Ordinary Dividends, Common Stock Inventories Inventory Disclosure [Text Block] Accounting Policies [Abstract] Accounting Policies [Abstract] Number of reportable segments Number of Reportable Segments Outstanding letters of credit Letters of Credit Outstanding, Amount Common stock, $0.01 par value; 500,000,000 shares authorized; 54,004,441 and 53,885,165 issued, respectively Common Stock, Value, Issued Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Total other expense Nonoperating Income (Expense) Inventory, Net [Abstract] Inventory, Net [Abstract] Customer concentration Customer Concentration Risk [Member] Provisional additions from acquired businesses Goodwill, Acquired During Period Commitments and contingencies Commitments and Contingencies Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Schedule of Carrying Value and Estimated Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Acquisitions Business Combination Disclosure [Text Block] Restricted stock awards Restricted Stock [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Document Period End Date Document Period End Date Other comprehensive income (loss), before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Entity Registrant Name Entity Registrant Name Treasury stock, shares (shares) Treasury Stock, Shares Eurocurrency Rate Eurocurrency Rate [Member] Eurocurrency Rate [Member] Tax adjustments, tax Other Comprehensive Income (Loss) before Reclassifications, Tax Prepayments and other current assets Prepaid Expense and Other Assets, Current Comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Net sales Total sales Revenue from Contract with Customer, Excluding Assessed Tax Stock options Share-based Payment Arrangement, Option [Member] Consolidation Items [Domain] Consolidation Items [Domain] Equity [Abstract] Equity [Abstract] Carrying Value Reported Value Measurement [Member] Payments made during the period Payments for Restructuring Common Stock Outstanding Common Stock [Member] Interest income Investment Income, Interest Variable Rate [Axis] Variable Rate [Axis] Segment Information Segment Reporting Disclosure [Text Block] Tax adjustments, after tax OCI, before Reclassifications, Net of Tax, Attributable to Parent Operating profit Operating profit (loss) Operating Income (Loss) Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Fair Value Transfers Fair Value Transfer, Policy [Policy Text Block] Current operating lease liabilities Operating Lease, Liability, Current Amortization expense in fiscal 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Two Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Share-based payment expense Share-based Payment Arrangement, Noncash Expense Special Charges Restructuring and Related Activities Disclosure [Text Block] Variable Rate [Domain] Variable Rate [Domain] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Paid-in Capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Other comprehensive income (loss), tax Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Cash dividends paid (usd per share) Common Stock, Dividends, Per Share, Cash Paid Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Treasury Stock, at cost Treasury Stock [Member] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Actuarial losses Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Income taxes paid during the period Income Taxes Paid Asset impairment Asset Impairment Charges Acquired warranty and recall liabilities Standard Product Warranty Accrual, Additions from Business Acquisition Miscellaneous expense (income), net Miscellaneous expense (income), net Other Nonoperating Income (Expense) Carrying and estimated fair values of financial instruments Long-term Debt, Fair Value Other investing activities Payments for (Proceeds from) Other Investing Activities Purchases of property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Maximum Maximum [Member] Number of niche lighting brands Business Combination, Acquired Entity, Number Of Lighting Brands Business Combination, Acquired Entity, Number Of Lighting Brands Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Minimum interest coverage ratio Line of Credit Facility, Covenant Terms, Interest Coverage Ratio, Minimum Line of Credit Facility, Covenant Terms, Interest Coverage Ratio, Minimum Total liabilities Liabilities Legal Entity [Axis] Legal Entity [Axis] Direct sales network Sales Channel, Through Direct Sales Network [Member] Sales Channel, Through Direct Sales Network [Member] Amortization expense in fiscal 2022 Finite-Lived Intangible Asset, Expected Amortization, Year One Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Total stockholders’ equity Cumulative-effect adjustment Beginning balance Ending balance Stockholders' Equity Attributable to Parent Common stock, shares issued (shares) Common Stock, Shares, Issued Preferred Stock, Shares Issued Preferred stock, shares issued (shares) Preferred Stock, Shares Issued Interest expense, net Interest expense, net Interest Revenue (Expense), Net Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Repurchases of common stock Payments for Repurchase of Common Stock Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Changes in each component of accumulated other comprehensive loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Retirement Plan Type [Axis] Retirement Plan Type [Axis] ABL Acuity Brands Lighting and Lighting Controls [Member] Acuity Brands Lighting and Lighting Controls [Member] Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Interest expense Interest Expense Aggregate principal amount Debt Instrument, Face Amount Net periodic pension cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) City Area Code City Area Code Retained earnings Retained Earnings (Accumulated Deficit) Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Operating segments Operating Segments [Member] Litigation Case [Domain] Litigation Case [Domain] Business Acquisition [Line Items] Business Acquisition [Line Items] Income Statement [Abstract] Income Statement [Abstract] Amendment Flag Amendment Flag Concentration Risk [Table] Concentration Risk [Table] Fair Value Estimate of Fair Value Measurement [Member] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Unsecured Delayed Draw Term Loan Unsecured Delayed Draw Term Loan [Member] Unsecured Delayed Draw Term Loan [Member] New Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Income tax expense Income Tax Expense (Benefit) Accounts receivable, less reserve for doubtful accounts of $2.1 and $2.6, respectively Accounts Receivable, after Allowance for Credit Loss, Current Unsecured debt Unsecured Debt [Member] Issuance of long-term debt Proceeds from Issuance of Long-term Debt Number of statements used as basis for dismissing claims Loss Contingency, Claims Dismissed, Number Equity Components [Axis] Equity Components [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total current assets Assets, Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Inventories Total inventories Inventory, Net Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Schedule of Changes in Stockholders' Equity Schedule of Stockholders Equity [Table Text Block] Entity File Number Entity File Number Repurchases of common stock Stock Repurchased During Period, Value 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] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Current maturities of debt Long-term Debt, Current Maturities Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Independent sales network Sales Channel, Through Independent Sales Network [Member] Sales Channel, Through Independent Sales Network [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Small Business Entity Small Business Restructuring Plan [Axis] Restructuring Plan [Axis] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Revenue Revenue Benchmark [Member] Equity Component [Domain] Equity Component [Domain] Repurchases of common stock (shares) Stock Repurchased During Period, Shares Deferred issuance costs Debt Issuance Costs, Gross Litigation Case [Axis] Litigation Case [Axis] Inventories Inventory Impairment, Policy [Policy Text Block] Severance and employee-related costs Restructuring and Related Cost, Incurred Cost Retirement Plan Type [Domain] Retirement Plan Type [Domain] Timing of revenue recognition Revenue, Performance Obligation, Description of Timing Share-based payment amortization, issuances, and cancellations Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Debt Disclosure [Abstract] Debt Disclosure [Abstract] Entity Address, State or Province Entity Address, State or Province Self-insurance reserves Self Insurance Reserve, Noncurrent Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Non-current deferred revenues Contract with Customer, Liability, Noncurrent Corporate Corporate, Non-Segment [Member] Segment Reporting [Abstract] Type of Restructuring [Domain] Type of Restructuring [Domain] Entity [Domain] Entity [Domain] ABL Acuity Brands Lighting, Inc. [Member] Acuity Brands Lighting, Inc. Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Pension Plans Retirement Benefits [Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Entity Shell Company Entity Shell Company Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Local Phone Number Local Phone Number Other comprehensive income (loss) items, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Components of share-based payment expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Total assets Assets Common stock, shares authorized (shares) Common Stock, Shares Authorized Interest paid during the period Interest Paid, Excluding Capitalized Interest, Operating Activities Interest rate (percent) Debt Instrument, Interest Rate, Stated Percentage Credit facility Revolving Credit Facility [Member] Significant Accounting Policies Significant Accounting Policies [Text Block] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Securities Class Action Securities Class Action [Member] Securities Class Action [Member] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Entity Tax Identification Number Entity Tax Identification Number Basic weighted average number of shares outstanding (in shares) Basic weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Segments [Domain] Segments [Domain] Common stock equivalents (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Service cost Defined Benefit Plan, Service Cost Subsequent Event Subsequent Events [Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Severance and employee-related costs Employee Severance [Member] Goodwill expected to be tax deductible Business Acquisition, Goodwill, Expected Tax Deductible Amount Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Net cash (used for) provided by financing activities Net Cash Provided by (Used in) Financing Activities Treasury stock, at cost — 18,265,031 and 15,012,449 shares, respectively Treasury Stock, Value Deferred income taxes Deferred Income Tax Liabilities, Net Schedule of tax expense or benefit allocated to each component of other comprehensive income (loss) Comprehensive Income (Loss) [Table Text Block] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Basic earnings per share (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Fair Value Measurements Fair Value Disclosures [Text Block] Special charges Restructuring Charges Accounts payable Accounts Payable, Current Concentration Risk Type [Axis] Concentration Risk Type [Axis] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Amortization expense in fiscal 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Three Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Amortization expense in fiscal 2021 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Inventories Increase (Decrease) in Inventories Cost of products sold Cost of Goods and Services Sold Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Share-based payment amortization, issuances, and cancellations (shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Tax adjustments, before tax OCI, before Reclassifications, before Tax, Attributable to Parent Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Term of instrument Debt Instrument, Term Held-for-sale Disposal Group, Held-for-sale, Not Discontinued Operations [Member] Investments in unconsolidated affiliates Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure Loss Contingencies [Line Items] Loss Contingencies [Line Items] Property, plant, and equipment, net Property, plant, and equipment, net Property, Plant and Equipment, Net Property, Plant, and Equipment Property, Plant and Equipment Disclosure [Text Block] Other long-term liabilities Other Liabilities, Noncurrent Standard warranty term Standard Product Warranty Period Standard Product Warranty Period Debt Instrument [Line Items] Debt Instrument [Line Items] Repayments of long-term debt Debt repaid Repayments of Long-term Debt Earnings per share: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Total property, plant, and equipment, at cost Property, Plant and Equipment, Gross Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Inventories excluding reserves Inventory, Gross Tax adjustments Accumulated Defined Benefit Plans, Plan Amendments Attributable to Parent [Member] Accumulated Defined Benefit Plans, Plan Amendments Attributable to Parent Document Quarterly Report Document Quarterly Report Amounts reclassified from accumulated other comprehensive loss Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Additional borrowing capacity under revolving credit facility Line of Credit Facility, Current Borrowing Capacity Finished goods Inventory, Finished Goods, Gross Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Long-term debt Long-term Debt, Excluding Current Maturities Liabilities: Liabilities, Fair Value Disclosure [Abstract] Share-based payment expense Share-based Payment Arrangement, Expense Document Fiscal Period Focus Document Fiscal Period Focus Other Sales Channel, Through Other [Member] Sales Channel, Through Other [Member] Less: Reserves Inventory Valuation Reserves Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Beginning balance (shares) Ending balance (shares) Shares, Issued Cash dividends of $0.13 per share paid on common stock Dividends Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Current assets: Assets, Current [Abstract] Entity Central Index Key Entity Central Index Key Security Exchange Name Security Exchange Name Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Amortization of defined benefit pension items, before tax Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Disposal Group Classification [Domain] Disposal Group Classification [Domain] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Diluted weighted average number of shares outstanding (in shares) Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income (loss) Net current period other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Corporate accounts Sales Channel, Through Corporate Accounts Network [Member] Sales Channel, Through Corporate Accounts Network [Member] Interest Revenue (Expense), Net [Abstract] Interest Revenue (Expense), Net [Abstract] Applicable margins based on company's leverage ratio, percentage Debt Instrument, Basis Spread on Variable Rate Changes in Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Schedule of Net Periodic Pension Cost Schedule of Net Benefit Costs [Table Text Block] Measurement Basis [Axis] Measurement Basis [Axis] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Other expense: Nonoperating Income (Expense) [Abstract] Class of Stock [Line Items] Class of Stock [Line Items] Raw materials, supplies, and work in process Inventory, Work in Process and Raw Materials Other comprehensive income (loss) items: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Reconciliation of Operating Profit (Loss) from Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Buildings and leasehold improvements Building and Building Improvements [Member] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Employee stock purchase plan issuances Stock Issued During Period, Value, Employee Stock Purchase Plan Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Bank loans 2016 Fixed-rate Bank Loans [Member] 2016 Fixed-rate Bank Loans [Member] Total current liabilities Liabilities, Current Payments of taxes withheld on net settlement of equity awards Payment, Tax Withholding, Share-based Payment Arrangement Eliminations Intersegment Eliminations [Member] Executed revolving credit facility Line of Credit Facility, Maximum Borrowing Capacity Foreign currency translation adjustments Goodwill, Foreign Currency Translation Gain (Loss) Transfer of activities from planned facility closures Transfer of Activities, Planned Facility Closures [Member] Transfer of Activities, Planned Facility Closures Loss Contingencies [Table] Loss Contingencies [Table] Relocation and other restructuring costs Relocation and Other Restructuring Costs [Member] Relocation and Other Restructuring Costs Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Retail sales Sales Channel, Through Retail [Member] Sales Channel, Through Retail [Member] Maximum leverage ratio Line of Credit Facility, Covenant Terms, Leverage Ratio, Maximum Line of Credit Facility, Covenant Terms, Leverage Ratio, Maximum Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Title of 12(b) Security Title of 12(b) Security New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Total number of statements challenged in the Consolidated Complaint Loss Contingency, New Claims Filed, Number Statistical Measurement [Axis] Statistical Measurement [Axis] Subsequent Event Subsequent Event [Member] Cover [Abstract] Cover [Abstract] Goodwill Goodwill, Beginning Balance Goodwill, Ending Balance Goodwill Beginning balance Ending balance Standard Product Warranty Accrual Schedule of Goodwill Schedule of Goodwill [Table Text Block] Adjustments to reconcile net income to net cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Pension Plan Pension Plan [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Defined Benefit Pension Plans Total defined benefit pension plans, net Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]