3.25.3 html 422 558 1 true 115 0 false 9 false false R1.htm 0000001 - Document - Cover Sheet http://www.acuitybrands.com/role/Cover Cover Cover 1 false false R2.htm 0000002 - Document - Audit Information Sheet http://www.acuitybrands.com/role/AuditInformation Audit Information Cover 2 false false R3.htm 9952151 - Statement - Consolidated Balance Sheets Sheet http://www.acuitybrands.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 3 false false R4.htm 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.acuitybrands.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 4 false false R5.htm 9952153 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.acuitybrands.com/role/ConsolidatedStatementsofComprehensiveIncome Consolidated Statements of Comprehensive Income Statements 5 false false R6.htm 9952154 - Statement - Consolidated Statements of Cash Flows Sheet http://www.acuitybrands.com/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 6 false false R7.htm 9952155 - Statement - Consolidated Statements of Stockholders' Equity Sheet http://www.acuitybrands.com/role/ConsolidatedStatementsofStockholdersEquity Consolidated Statements of Stockholders' Equity Statements 7 false false R8.htm 9952156 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical) Sheet http://www.acuitybrands.com/role/ConsolidatedStatementsofStockholdersEquityParenthetical Consolidated Statements of Stockholders' Equity (Parenthetical) Statements 8 false false R9.htm 9952157 - Disclosure - Description of Business and Basis of Presentation Sheet http://www.acuitybrands.com/role/DescriptionofBusinessandBasisofPresentation Description of Business and Basis of Presentation Notes 9 false false R10.htm 9952158 - Disclosure - Significant Accounting Policies Sheet http://www.acuitybrands.com/role/SignificantAccountingPolicies Significant Accounting Policies Notes 10 false false R11.htm 9952159 - Disclosure - New Accounting Pronouncements Sheet http://www.acuitybrands.com/role/NewAccountingPronouncements New Accounting Pronouncements Notes 11 false false R12.htm 9952160 - Disclosure - Acquisitions and Divestitures Sheet http://www.acuitybrands.com/role/AcquisitionsandDivestitures Acquisitions and Divestitures Notes 12 false false R13.htm 9952161 - Disclosure - Fair Value Measurements Sheet http://www.acuitybrands.com/role/FairValueMeasurements Fair Value Measurements Notes 13 false false R14.htm 9952162 - Disclosure - Leases Sheet http://www.acuitybrands.com/role/Leases Leases Notes 14 false false R15.htm 9952163 - Disclosure - Debt and Lines of Credit Sheet http://www.acuitybrands.com/role/DebtandLinesofCredit Debt and Lines of Credit Notes 15 false false R16.htm 9952164 - Disclosure - Commitments and Contingencies Sheet http://www.acuitybrands.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 16 false false R17.htm 9952165 - Disclosure - Segment Information Sheet http://www.acuitybrands.com/role/SegmentInformation Segment Information Notes 17 false false R18.htm 9952166 - Disclosure - Revenue Recognition Sheet http://www.acuitybrands.com/role/RevenueRecognition Revenue Recognition Notes 18 false false R19.htm 9952167 - Disclosure - Share-based Payments Sheet http://www.acuitybrands.com/role/SharebasedPayments Share-based Payments Notes 19 false false R20.htm 9952168 - Disclosure - Pension and Defined Contribution Plans Sheet http://www.acuitybrands.com/role/PensionandDefinedContributionPlans Pension and Defined Contribution Plans Notes 20 false false R21.htm 9952169 - Disclosure - Special Charges Sheet http://www.acuitybrands.com/role/SpecialCharges Special Charges Notes 21 false false R22.htm 9952170 - Disclosure - Common Stock and Related Matters Sheet http://www.acuitybrands.com/role/CommonStockandRelatedMatters Common Stock and Related Matters Notes 22 false false R23.htm 9952171 - Disclosure - Income Taxes Sheet http://www.acuitybrands.com/role/IncomeTaxes Income Taxes Notes 23 false false R24.htm 9952172 - Disclosure - Supplemental Disaggregated Information Sheet http://www.acuitybrands.com/role/SupplementalDisaggregatedInformation Supplemental Disaggregated Information Notes 24 false false R25.htm 9952173 - Disclosure - Subsequent Event Sheet http://www.acuitybrands.com/role/SubsequentEvent Subsequent Event Notes 25 false false R26.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 26 false false R27.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 27 false false R28.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 28 false false R29.htm 9955511 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) Policies http://www.acuitybrands.com/role/SignificantAccountingPolicies 29 false false R30.htm 9955512 - Disclosure - Significant Accounting Policies (Tables) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesTables Significant Accounting Policies (Tables) Tables http://www.acuitybrands.com/role/SignificantAccountingPolicies 30 false false R31.htm 9955513 - Disclosure - Acquisitions and Divestitures (Tables) Sheet http://www.acuitybrands.com/role/AcquisitionsandDivestituresTables Acquisitions and Divestitures (Tables) Tables http://www.acuitybrands.com/role/AcquisitionsandDivestitures 31 false false R32.htm 9955514 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.acuitybrands.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.acuitybrands.com/role/FairValueMeasurements 32 false false R33.htm 9955515 - Disclosure - Leases (Tables) Sheet http://www.acuitybrands.com/role/LeasesTables Leases (Tables) Tables http://www.acuitybrands.com/role/Leases 33 false false R34.htm 9955516 - Disclosure - Debt and Lines of Credit (Tables) Sheet http://www.acuitybrands.com/role/DebtandLinesofCreditTables Debt and Lines of Credit (Tables) Tables http://www.acuitybrands.com/role/DebtandLinesofCredit 34 false false R35.htm 9955517 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.acuitybrands.com/role/CommitmentsandContingenciesTables Commitments and Contingencies (Tables) Tables http://www.acuitybrands.com/role/CommitmentsandContingencies 35 false false R36.htm 9955518 - Disclosure - Segment Information (Tables) Sheet http://www.acuitybrands.com/role/SegmentInformationTables Segment Information (Tables) Tables http://www.acuitybrands.com/role/SegmentInformation 36 false false R37.htm 9955519 - Disclosure - Revenue Recognition (Tables) Sheet http://www.acuitybrands.com/role/RevenueRecognitionTables Revenue Recognition (Tables) Tables http://www.acuitybrands.com/role/RevenueRecognition 37 false false R38.htm 9955520 - Disclosure - Share-based Payments (Tables) Sheet http://www.acuitybrands.com/role/SharebasedPaymentsTables Share-based Payments (Tables) Tables http://www.acuitybrands.com/role/SharebasedPayments 38 false false R39.htm 9955521 - Disclosure - Pension and Defined Contribution Plans (Tables) Sheet http://www.acuitybrands.com/role/PensionandDefinedContributionPlansTables Pension and Defined Contribution Plans (Tables) Tables http://www.acuitybrands.com/role/PensionandDefinedContributionPlans 39 false false R40.htm 9955522 - Disclosure - Special Charges (Tables) Sheet http://www.acuitybrands.com/role/SpecialChargesTables Special Charges (Tables) Tables http://www.acuitybrands.com/role/SpecialCharges 40 false false R41.htm 9955523 - Disclosure - Common Stock and Related Matters (Tables) Sheet http://www.acuitybrands.com/role/CommonStockandRelatedMattersTables Common Stock and Related Matters (Tables) Tables http://www.acuitybrands.com/role/CommonStockandRelatedMatters 41 false false R42.htm 9955524 - Disclosure - Income Taxes (Tables) Sheet http://www.acuitybrands.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.acuitybrands.com/role/IncomeTaxes 42 false false R43.htm 9955525 - Disclosure - Supplemental Disaggregated Information (Tables) Sheet http://www.acuitybrands.com/role/SupplementalDisaggregatedInformationTables Supplemental Disaggregated Information (Tables) Tables http://www.acuitybrands.com/role/SupplementalDisaggregatedInformation 43 false false R44.htm 9955526 - Disclosure - Description of Business and Basis of Presentation (Details) Sheet http://www.acuitybrands.com/role/DescriptionofBusinessandBasisofPresentationDetails Description of Business and Basis of Presentation (Details) Details http://www.acuitybrands.com/role/DescriptionofBusinessandBasisofPresentation 44 false false R45.htm 9955527 - Disclosure - Significant Accounting Policies - Inventories (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesInventoriesDetails Significant Accounting Policies - Inventories (Details) Details 45 false false R46.htm 9955528 - Disclosure - Significant Accounting Policies - Assets Held For Sale (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesAssetsHeldForSaleDetails Significant Accounting Policies - Assets Held For Sale (Details) Details 46 false false R47.htm 9955529 - Disclosure - Significant Accounting Policies - Goodwill and Other Intangibles (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesGoodwillandOtherIntangiblesDetails Significant Accounting Policies - Goodwill and Other Intangibles (Details) Details 47 false false R48.htm 9955530 - Disclosure - Significant Accounting Policies - Other Long-Term Assets (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesOtherLongTermAssetsDetails Significant Accounting Policies - Other Long-Term Assets (Details) Details 48 false false R49.htm 9955531 - Disclosure - Significant Accounting Policies - Schedule of Other Current Liabilities (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesScheduleofOtherCurrentLiabilitiesDetails Significant Accounting Policies - Schedule of Other Current Liabilities (Details) Details 49 false false R50.htm 9955532 - Disclosure - Significant Accounting Policies - Other Long-Term Liabilities (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesOtherLongTermLiabilitiesDetails Significant Accounting Policies - Other Long-Term Liabilities (Details) Details 50 false false R51.htm 9955533 - Disclosure - Significant Accounting Policies - Selling, Distribution and Administrative Expenses (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesSellingDistributionandAdministrativeExpensesDetails Significant Accounting Policies - Selling, Distribution and Administrative Expenses (Details) Details 51 false false R52.htm 9955534 - Disclosure - Significant Accounting Policies - Property, Plant and Equipment (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesPropertyPlantandEquipmentDetails Significant Accounting Policies - Property, Plant and Equipment (Details) Details 52 false false R53.htm 9955535 - Disclosure - Significant Accounting Policies - Other Expense (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesOtherExpenseDetails Significant Accounting Policies - Other Expense (Details) Details 53 false false R54.htm 9955536 - Disclosure - Significant Accounting Policies - Changes of Accumulated Other Comprehensive Loss, Net of Tax (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesChangesofAccumulatedOtherComprehensiveLossNetofTaxDetails Significant Accounting Policies - Changes of Accumulated Other Comprehensive Loss, Net of Tax (Details) Details 54 false false R55.htm 9955537 - Disclosure - Significant Accounting Policies - Components of Other Comprehensive Income Loss (Details) Sheet http://www.acuitybrands.com/role/SignificantAccountingPoliciesComponentsofOtherComprehensiveIncomeLossDetails Significant Accounting Policies - Components of Other Comprehensive Income Loss (Details) Details 55 false false R56.htm 9955538 - Disclosure - Acquisitions and Divestitures - Narrative (Details) Sheet http://www.acuitybrands.com/role/AcquisitionsandDivestituresNarrativeDetails Acquisitions and Divestitures - Narrative (Details) Details 56 false false R57.htm 9955539 - Disclosure - Acquisitions and Divestitures - Schedule of Fair Values of Assets and Liabilities (Details) Sheet http://www.acuitybrands.com/role/AcquisitionsandDivestituresScheduleofFairValuesofAssetsandLiabilitiesDetails Acquisitions and Divestitures - Schedule of Fair Values of Assets and Liabilities (Details) Details 57 false false R58.htm 9955540 - Disclosure - Acquisitions and Divestitures - Schedule of Fair Values and Estimated Useful Lives of Identifiable Intangible Assets (Details) Sheet http://www.acuitybrands.com/role/AcquisitionsandDivestituresScheduleofFairValuesandEstimatedUsefulLivesofIdentifiableIntangibleAssetsDetails Acquisitions and Divestitures - Schedule of Fair Values and Estimated Useful Lives of Identifiable Intangible Assets (Details) Details 58 false false R59.htm 9955541 - Disclosure - Acquisitions and Divestitures - Schedule of the Amount of Net Sales and Net Income (Details) Sheet http://www.acuitybrands.com/role/AcquisitionsandDivestituresScheduleoftheAmountofNetSalesandNetIncomeDetails Acquisitions and Divestitures - Schedule of the Amount of Net Sales and Net Income (Details) Details 59 false false R60.htm 9955542 - Disclosure - Acquisitions and Divestitures - Schedule of Business Acquisition, Pro Forma Information (Details) Sheet http://www.acuitybrands.com/role/AcquisitionsandDivestituresScheduleofBusinessAcquisitionProFormaInformationDetails Acquisitions and Divestitures - Schedule of Business Acquisition, Pro Forma Information (Details) Details 60 false false R61.htm 9955543 - Disclosure - Fair Value Measurements - Schedule of Carrying Value and Estimated Fair Value of Financial Instruments (Details) Sheet http://www.acuitybrands.com/role/FairValueMeasurementsScheduleofCarryingValueandEstimatedFairValueofFinancialInstrumentsDetails Fair Value Measurements - Schedule of Carrying Value and Estimated Fair Value of Financial Instruments (Details) Details 61 false false R62.htm 9955544 - Disclosure - Fair Value Measurements - Schedule of Fair Value Measurements, Nonrecurring (Details) Sheet http://www.acuitybrands.com/role/FairValueMeasurementsScheduleofFairValueMeasurementsNonrecurringDetails Fair Value Measurements - Schedule of Fair Value Measurements, Nonrecurring (Details) Details 62 false false R63.htm 9955545 - Disclosure - Fair Value Measurements - Narrative (Details) Sheet http://www.acuitybrands.com/role/FairValueMeasurementsNarrativeDetails Fair Value Measurements - Narrative (Details) Details 63 false false R64.htm 9955546 - Disclosure - Leases - Narrative (Details) Sheet http://www.acuitybrands.com/role/LeasesNarrativeDetails Leases - Narrative (Details) Details 64 false false R65.htm 9955547 - Disclosure - Leases - Schedule of Future Undiscounted Payments (Details) Sheet http://www.acuitybrands.com/role/LeasesScheduleofFutureUndiscountedPaymentsDetails Leases - Schedule of Future Undiscounted Payments (Details) Details 65 false false R66.htm 9955548 - Disclosure - Leases - Components of Total Lease Costs (Details) Sheet http://www.acuitybrands.com/role/LeasesComponentsofTotalLeaseCostsDetails Leases - Components of Total Lease Costs (Details) Details 66 false false R67.htm 9955549 - Disclosure - Debt and Lines of Credit - Debt (Details) Sheet http://www.acuitybrands.com/role/DebtandLinesofCreditDebtDetails Debt and Lines of Credit - Debt (Details) Details 67 false false R68.htm 9955550 - Disclosure - Debt and Lines of Credit - Long-term Debt (Details) Sheet http://www.acuitybrands.com/role/DebtandLinesofCreditLongtermDebtDetails Debt and Lines of Credit - Long-term Debt (Details) Details 68 false false R69.htm 9955551 - Disclosure - Debt and Lines of Credit - Lines of Credit (Details) Sheet http://www.acuitybrands.com/role/DebtandLinesofCreditLinesofCreditDetails Debt and Lines of Credit - Lines of Credit (Details) Details 69 false false R70.htm 9955552 - Disclosure - Commitments and Contingencies - Narrative (Details) Sheet http://www.acuitybrands.com/role/CommitmentsandContingenciesNarrativeDetails Commitments and Contingencies - Narrative (Details) Details 70 false false R71.htm 9955553 - Disclosure - Commitments and Contingencies - Product Warranty Costs (Details) Sheet http://www.acuitybrands.com/role/CommitmentsandContingenciesProductWarrantyCostsDetails Commitments and Contingencies - Product Warranty Costs (Details) Details 71 false false R72.htm 9955554 - Disclosure - Segment Information (Details) Sheet http://www.acuitybrands.com/role/SegmentInformationDetails Segment Information (Details) Details http://www.acuitybrands.com/role/SegmentInformationTables 72 false false R73.htm 9955555 - Disclosure - Revenue Recognition - Narrative (Details) Sheet http://www.acuitybrands.com/role/RevenueRecognitionNarrativeDetails Revenue Recognition - Narrative (Details) Details 73 false false R74.htm 9955556 - Disclosure - Revenue Recognition - Contract Balances (Details) Sheet http://www.acuitybrands.com/role/RevenueRecognitionContractBalancesDetails Revenue Recognition - Contract Balances (Details) Details 74 false false R75.htm 9955557 - Disclosure - Revenue Recognition - Disaggregated Revenues (Details) Sheet http://www.acuitybrands.com/role/RevenueRecognitionDisaggregatedRevenuesDetails Revenue Recognition - Disaggregated Revenues (Details) Details 75 false false R76.htm 9955558 - Disclosure - Share-based Payments - Narrative (Details) Sheet http://www.acuitybrands.com/role/SharebasedPaymentsNarrativeDetails Share-based Payments - Narrative (Details) Details 76 false false R77.htm 9955559 - Disclosure - Share-based Payments - Share-based Compensation Expense Recognized (Details) Sheet http://www.acuitybrands.com/role/SharebasedPaymentsSharebasedCompensationExpenseRecognizedDetails Share-based Payments - Share-based Compensation Expense Recognized (Details) Details 77 false false R78.htm 9955560 - Disclosure - Share-based Payments - Restricted Stock Units (Details) Sheet http://www.acuitybrands.com/role/SharebasedPaymentsRestrictedStockUnitsDetails Share-based Payments - Restricted Stock Units (Details) Details 78 false false R79.htm 9955561 - Disclosure - Share-based Payments - Estimate Fair Value of Performance Stock Units (Details) Sheet http://www.acuitybrands.com/role/SharebasedPaymentsEstimateFairValueofPerformanceStockUnitsDetails Share-based Payments - Estimate Fair Value of Performance Stock Units (Details) Details 79 false false R80.htm 9955562 - Disclosure - Share-based Payments - Performance Stock Units (Details) Sheet http://www.acuitybrands.com/role/SharebasedPaymentsPerformanceStockUnitsDetails Share-based Payments - Performance Stock Units (Details) Details 80 false false R81.htm 9955563 - Disclosure - Share-based Payments - Stock Options (Details) Sheet http://www.acuitybrands.com/role/SharebasedPaymentsStockOptionsDetails Share-based Payments - Stock Options (Details) Details 81 false false R82.htm 9955564 - Disclosure - Pension and Defined Contribution Plans - Narrative (Details) Sheet http://www.acuitybrands.com/role/PensionandDefinedContributionPlansNarrativeDetails Pension and Defined Contribution Plans - Narrative (Details) Details 82 false false R83.htm 9955565 - Disclosure - Pension and Defined Contribution Plans - Domestic and International Pension Plans (Details) Sheet http://www.acuitybrands.com/role/PensionandDefinedContributionPlansDomesticandInternationalPensionPlansDetails Pension and Defined Contribution Plans - Domestic and International Pension Plans (Details) Details 83 false false R84.htm 9955566 - Disclosure - Pension and Defined Contribution Plans - Net Periodic Pension Cost and Pension Plan Asset Allocation (Details) Sheet http://www.acuitybrands.com/role/PensionandDefinedContributionPlansNetPeriodicPensionCostandPensionPlanAssetAllocationDetails Pension and Defined Contribution Plans - Net Periodic Pension Cost and Pension Plan Asset Allocation (Details) Details 84 false false R85.htm 9955567 - Disclosure - Pension and Defined Contribution Plans - Fair Value Measurements and Benefit Payments (Details) Sheet http://www.acuitybrands.com/role/PensionandDefinedContributionPlansFairValueMeasurementsandBenefitPaymentsDetails Pension and Defined Contribution Plans - Fair Value Measurements and Benefit Payments (Details) Details 85 false false R86.htm 9955568 - Disclosure - Pension and Defined Contribution Plans - Reconciliation Fair Value Measurements (Details) Sheet http://www.acuitybrands.com/role/PensionandDefinedContributionPlansReconciliationFairValueMeasurementsDetails Pension and Defined Contribution Plans - Reconciliation Fair Value Measurements (Details) Details 86 false false R87.htm 9955569 - Disclosure - Special Charges - Narrative (Details) Sheet http://www.acuitybrands.com/role/SpecialChargesNarrativeDetails Special Charges - Narrative (Details) Details 87 false false R88.htm 9955570 - Disclosure - Special Charges - Schedule of Details of Special Charges Incurred (Details) Sheet http://www.acuitybrands.com/role/SpecialChargesScheduleofDetailsofSpecialChargesIncurredDetails Special Charges - Schedule of Details of Special Charges Incurred (Details) Details 88 false false R89.htm 9955571 - Disclosure - Common Stock and Related Matters - Schedule of Changes in Common Stock (Details) Sheet http://www.acuitybrands.com/role/CommonStockandRelatedMattersScheduleofChangesinCommonStockDetails Common Stock and Related Matters - Schedule of Changes in Common Stock (Details) Details 89 false false R90.htm 9955572 - Disclosure - Common Stock and Related Matters - Narrative (Details) Sheet http://www.acuitybrands.com/role/CommonStockandRelatedMattersNarrativeDetails Common Stock and Related Matters - Narrative (Details) Details 90 false false R91.htm 9955573 - Disclosure - Common Stock and Related Matters - Earnings per Share (Details) Sheet http://www.acuitybrands.com/role/CommonStockandRelatedMattersEarningsperShareDetails Common Stock and Related Matters - Earnings per Share (Details) Details 91 false false R92.htm 9955574 - Disclosure - Income Taxes - Schedule of Provision for Income Taxes (Details) Sheet http://www.acuitybrands.com/role/IncomeTaxesScheduleofProvisionforIncomeTaxesDetails Income Taxes - Schedule of Provision for Income Taxes (Details) Details 92 false false R93.htm 9955575 - Disclosure - Income Taxes - Schedule of Income (Loss) Before Income Taxes (Details) Sheet http://www.acuitybrands.com/role/IncomeTaxesScheduleofIncomeLossBeforeIncomeTaxesDetails Income Taxes - Schedule of Income (Loss) Before Income Taxes (Details) Details 93 false false R94.htm 9955576 - Disclosure - Income Taxes - Schedule of Reconciliation of Federal Statutory Rate to Total Provision for Income Taxes (Details) Sheet http://www.acuitybrands.com/role/IncomeTaxesScheduleofReconciliationofFederalStatutoryRatetoTotalProvisionforIncomeTaxesDetails Income Taxes - Schedule of Reconciliation of Federal Statutory Rate to Total Provision for Income Taxes (Details) Details 94 false false R95.htm 9955577 - Disclosure - Income Taxes - Schedule of Components of Net Deferred Income Taxes (Details) Sheet http://www.acuitybrands.com/role/IncomeTaxesScheduleofComponentsofNetDeferredIncomeTaxesDetails Income Taxes - Schedule of Components of Net Deferred Income Taxes (Details) Details 95 false false R96.htm 9955578 - Disclosure - Income Taxes - Narrative (Details) Sheet http://www.acuitybrands.com/role/IncomeTaxesNarrativeDetails Income Taxes - Narrative (Details) Details 96 false false R97.htm 9955579 - Disclosure - Income Taxes - Schedule of Change in Unrecognized Income Tax Benefit (Details) Sheet http://www.acuitybrands.com/role/IncomeTaxesScheduleofChangeinUnrecognizedIncomeTaxBenefitDetails Income Taxes - Schedule of Change in Unrecognized Income Tax Benefit (Details) Details 97 false false R98.htm 9955580 - Disclosure - Supplemental Disaggregated Information (Details) Sheet http://www.acuitybrands.com/role/SupplementalDisaggregatedInformationDetails Supplemental Disaggregated Information (Details) Details http://www.acuitybrands.com/role/SupplementalDisaggregatedInformationTables 98 false false R99.htm 9955581 - Disclosure - Subsequent Event (Details) Sheet http://www.acuitybrands.com/role/SubsequentEventDetails Subsequent Event (Details) Details http://www.acuitybrands.com/role/SubsequentEvent 99 false false All Reports Book All Reports ayi-20250831.htm ayi-20250831.xsd ayi-20250831_cal.xml ayi-20250831_def.xml ayi-20250831_lab.xml ayi-20250831_pre.xml ayi-20250831_g1.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/cyd/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true