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v3.22.2.2

Accrued Expenses and Other - Additional Information (Detail) $ in Millions | 12 Months Ended
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Aug. 27, 2022 USD ($)
Workers Compensation |
Maximum limits per claim for self-insured plan, per annum | $ 2.0
Auto Liability |
Maximum limits per claim for self-insured plan, per annum | 5.0
Property |
Maximum limits per claim for self-insured plan, per annum | 21.5
General and product liability |
Maximum limits per claim for self-insured plan, per annum | $ 2.0

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- Definition The maximum amount limit per claim for self-insured plan per annum. + References No definition available. + Details
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Namespace Prefix: | azo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=azo_WorkersCompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=azo_AutoLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=azo_PropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=azo_GeneralProductsLiabilityAndVehicleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |