XML 71 R46.htm IDEA: XBRL DOCUMENT
v3.20.2

Significant Accounting Policies - Other Long-Term Assets and Liabilities (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Aug. 31, 2020 USD ($) Employee affiliate | Aug. 31, 2019 USD ($)
Other Long-Term Assets [Abstract] |  |
Deferred contract costs | $ 12.3 | $ 15.4
Investments in unconsolidated affiliates | 6.0 | 0.0
Tax credits | 8.6 | 0.0
Other | 2.6 | 2.3
Total other long-term assets | $ 29.5 | 17.7
Number of unconsolidated affiliates | affiliate | 2 |
Number of former employees covered under life insurance policy | Employee | 64 |
Other Long-Term Liabilities [Abstract] |  |
Deferred compensation and postretirement benefits other than pensions | $ 42.7 | 41.6
Service-type warranties | 53.6 | 46.4
Uncertain tax positions liability, including interest | 18.9 | 17.6
Other | 2.6 | 5.2
Total other long-term liabilities | $ 120.0 | 110.7
Percentage contribution rate of eligible employee's compensation | 3.00% |
Service-Type Warranties |  |
Other Long-Term Liabilities [Abstract] |  |
Service-type warranties | $ 55.8 | $ 46.3

X
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements and other postretirement benefit plans (other than pensions) payable beyond one year (or the operating cycle, if longer). + References No definition available. + Details
Name: | ayi_DeferredCompensationAndPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
Namespace Prefix: | ayi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of annual salary that an employee receives as an automatic contribution under the plan. + References No definition available. + Details
Name: | ayi_DeferredCompensationArrangementWithIndividualAutomaticContributionRate
Namespace Prefix: | ayi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Investment in Affiliates, Number of Unconsolidated Affiliates + References No definition available. + Details
Name: | ayi_InvestmentinAffiliatesNumberofUnconsolidatedAffiliates
Namespace Prefix: | ayi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Life Insurance, Number of Current and Former Employees Covered + References No definition available. + Details
Name: | ayi_LifeInsuranceNumberofCurrentandFormerEmployeesCovered
Namespace Prefix: | ayi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent assets which consist primarily of long-term investments, assets held for sale, deferred debt issuance costs, capitalized software costs, deferred sales and marketing costs and other miscellaneous long-term assets. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References No definition available. + Details
Name: | ayi_OtherLongTermAssets
Namespace Prefix: | ayi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations, which consist primarily of deferred compensation, postretirement (other than pension) and postemployment benefit obligations, uncertain tax positions liability and deferred tax credits. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). + References No definition available. + Details
Name: | ayi_OtherLongTermLiabilities
Namespace Prefix: | ayi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Research and Development Tax Credit Receivable + References No definition available. + Details
Name: | ayi_ResearchandDevelopmentTaxCreditReceivable
Namespace Prefix: | ayi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(10)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_DeferredCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount recognized for uncertainty in income taxes classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LiabilityForUncertainTaxPositionsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_OtherAssetsMiscellaneousNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OtherAssetsNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=ayi_ServiceTypeWarrantiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |