Income Taxes - Significant Components of Company's Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Aug. 28, 2021	Aug. 29, 2020
Deferred tax assets:
Net operating loss and credit carryforwards	$ 41,825	$ 41,437
Accrued benefits	126,086	88,226
Operating lease liabilities	646,938	617,002
Other	69,340	69,788
Total deferred tax assets	884,189	816,453
Valuation allowances	(31,098)	(28,373)
Net deferred tax assets	853,091	788,080
Deferred tax liabilities:
Property and equipment	(185,985)	(173,696)
Inventory	(316,736)	(298,585)
Prepaid expenses	(28,676)	(55,827)
Operating lease assets	(609,336)	(581,381)
Other	(8,440)	(4,934)
Deferred tax liabilities	(1,149,173)	(1,114,423)
Net deferred tax liabilities	$ (296,082)	$ (326,343)