XML 63 R47.htm IDEA: XBRL DOCUMENT
v3.21.2

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 28, 2021 | Aug. 29, 2020 | Aug. 31, 2019
Income Taxes |  |  |
Additional excess tax benefits from stock option exercises compared to prior year | $ 56,400 | $ 20,900 | $ 46,000
Outside basis differences in foreign subsidiaries investments | 443,300 |  |
Future taxable income | 259,100 | 247,100 |
Deferred tax assets from net operating loss carryforwards | $ 35,900 | 32,200 |
Expiration date of NOLs start year | 2022 |  |
Expiration date of NOLs end year | 2041 |  |
Deferred tax assets for income tax credit carryforwards | $ 6,000 | 9,200 |
Expiration date of tax credit carryforwards start year | 2022 |  |
Expiration date of tax credit carryforwards end year | 2037 |  |
Valuation allowances on deferred tax assets | $ 31,098 | 28,373 |
Unrecognized tax benefits, if recognized would reduce effective tax rate, amount | 25,800 | 18,900 |
Deferred tax assets operating loss carryforwards and tax credits | 10,400 | 10,500 |
Accrued for payment of interest and penalties associated with unrecognized tax benefits | 2,400 | $ 1,600 |
Amount of unrecognized tax benefits that could be reduced over next twelve months | $ 2,200 |  |

X
- Definition Deferred tax assets operating loss carryforwards and tax credits. + References No definition available. + Details
Name: | azo_DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCredits
Namespace Prefix: | azo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The future taxable income of which deferred tax assets can be utilized. + References No definition available. + Details
Name: | azo_FutureTaxableIncomeAmountForUtilizingDeferredTaxAssets
Namespace Prefix: | azo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase in income tax benefit from stock option exercises. + References No definition available. + Details
Name: | azo_IncreaseInIncomeTaxBenefitFromStockOptionExercises
Namespace Prefix: | azo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Ending expiration date of operating loss carryforwards. + References No definition available. + Details
Name: | azo_OperatingLossCarryForwardsExpirationPeriodEndYear
Namespace Prefix: | azo_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Beginning expiration date of operating loss carryforwards. + References No definition available. + Details
Name: | azo_OperatingLossCarryforwardsExpirationPeriodStartYear
Namespace Prefix: | azo_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of outside basis differences in foreign subsidiary investments of which earnings are permanently reinvested. + References No definition available. + Details
Name: | azo_OutsideBasisDifferenceInForeignSubsidiariesInvestmentsAmount
Namespace Prefix: | azo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Ending expiration date of tax credit carryforwards. + References No definition available. + Details
Name: | azo_TaxCreditCarryForwardExpirationYearEnd
Namespace Prefix: | azo_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Beginning expiration date of tax credit carryforwards. + References No definition available. + Details
Name: | azo_TaxCreditCarryForwardExpirationYearStart
Namespace Prefix: | azo_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
Name: | us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
Name: | us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
Name: | us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant