XML 46 R50.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Debt and Lines of Credit (Details) |  | 3 Months Ended |
--- | --- | --- | ---
Jun. 29, 2018 USD ($) installment | Nov. 30, 2019 USD ($) | Nov. 30, 2018 USD ($) | Aug. 31, 2019 USD ($)
Debt Instruments [Abstract] |  |  |  |
Long-term debt |  | $ 347,100,000 |  | $ 347,500,000
Interest Revenue (Expense), Net [Abstract] |  |  |  |
Interest expense |  | 9,000,000.0 | $ 9,200,000 |
Interest income |  | (700,000) | (500,000) |
Interest expense, net |  | 8,300,000 | $ 8,700,000 |
Lines of Credit |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Executed revolving credit facility | $ 800,000,000.0 |  |  |
Minimum interest coverage ratio | 2.50 |  |  |
Maximum leverage ratio | 3.50 |  |  |
Outstanding letters of credit |  | 8,100,000 |  |
Lines of Credit | Minimum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Facility fee (percent) | 0.125% |  |  |
Lines of Credit | Maximum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Facility fee (percent) | 0.25% |  |  |
Lines of Credit | New Revolving Credit Facility |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Executed revolving credit facility | $ 400,000,000.0 |  |  |
Revolving credit facility term | 5 years |  |  |
Borrowings outstanding |  | 0 |  | 0
Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Executed revolving credit facility | $ 400,000,000.0 |  |  |
Borrowings outstanding |  | 0 |  | $ 0
Number of separate installments allowed during borrowing period | installment | 4 |  |  |
Lines of Credit | Revolving Credit Facility Maturing August 27, 2019 |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Additional borrowing capacity under revolving credit facility |  | 796,200,000 |  |
Letters of Credit | Revolving Credit Facility Maturing August 27, 2019 |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Outstanding letters of credit |  | 3,800,000 |  |
Senior unsecured public notes | Senior Unsecured Notes Maturing December 2019 |  |  |  |
Debt Instruments [Abstract] |  |  |  |
Debt outstanding |  | $ 350,000,000.0 |  |
Interest rate (percent) |  | 6.00% |  |
Long-term debt |  | $ 341,200,000 |  |
Industrial revenue bond | Industrial Revenue Bond Maturing in 2021 |  |  |  |
Debt Instruments [Abstract] |  |  |  |
Debt outstanding |  | 4,000,000.0 |  |
Bank loans | 2016 Fixed-rate Bank Loans |  |  |  |
Debt Instruments [Abstract] |  |  |  |
Debt outstanding |  | $ 2,300,000 |  |
Eurocurrency Rate | Lines of Credit | New Revolving Credit Facility | Minimum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 1.00% |  |  |
Eurocurrency Rate | Lines of Credit | New Revolving Credit Facility | Maximum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 1.375% |  |  |
Eurocurrency Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Minimum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 0.875% |  |  |
Eurocurrency Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Maximum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 1.25% |  |  |
Base rate | Lines of Credit | New Revolving Credit Facility | Minimum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 0.00% |  |  |
Base rate | Lines of Credit | New Revolving Credit Facility | Maximum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 0.375% |  |  |
Base rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Minimum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 0.00% |  |  |
Base rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Maximum |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Applicable margins based on company's leverage ratio, percentage | 0.25% |  |  |
Year one | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Quarterly payment (percent) | 2.50% |  |  |
Year two | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Quarterly payment (percent) | 2.50% |  |  |
Year three | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Quarterly payment (percent) | 5.00% |  |  |
Year four | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Quarterly payment (percent) | 5.00% |  |  |
Year five and after | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Quarterly payment (percent) | 7.50% |  |  |

X
- Definition Debt Instrument, Borrowing Period, Number of Installments + References No definition available. + Details
Name: | ayi_DebtInstrumentBorrowingPeriodNumberofInstallments
Namespace Prefix: | ayi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Periodic Payment, Maturity, Percent of Principal + References No definition available. + Details
Name: | ayi_DebtInstrumentPeriodicPaymentMaturityPercentofPrincipal
Namespace Prefix: | ayi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of Credit Facility, Covenant Terms, Interest Coverage Ratio, Minimum + References No definition available. + Details
Name: | ayi_LineOfCreditFacilityCovenantTermsInterestCoverageRatioMinimum
Namespace Prefix: | ayi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility, Covenant Terms, Leverage Ratio, Maximum + References No definition available. + Details
Name: | ayi_LineOfCreditFacilityCovenantTermsLeverageRatioMaximum
Namespace Prefix: | ayi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (210.5-03(11)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest revenue (income derived from investments in debt securities and on cash and cash equivalents) net of interest expense (cost of borrowed funds accounted for as interest). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
Name: | us-gaap_InterestRevenueExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(b)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
Name: | us-gaap_InvestmentIncomeInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&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(16)) -URI http://asc.fasb.org/extlink&oid=6876686&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(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: 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)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: 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(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ayi_NewRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ayi_UnsecuredDelayedDrawTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ayi_RevolvingCreditFacilityMaturingAugust272019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ayi_SeniorUnsecuredNotesMaturingDecember2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_NontaxableMunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ayi_IndustrialRevenueBondMaturingin2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_BankLoanObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ayi_A2016FixedrateBankLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=ayi_EurocurrencyRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |