XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.25.1

Merchandise Inventories (Detail) - USD ($) $ in Millions | May 10, 2025 | Aug. 31, 2024
--- | --- | ---
Merchandise Inventories |  |
LIFO credit reserve balance | $ 3.0 | $ 19.0

X
- Definition The value of (Last in First Out) LIFO inventory reserve as at the end of the reporting period. + References No definition available. + Details
Name: | azo_InventoryLifoReserves
Namespace Prefix: | azo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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