Segment Reporting - Schedule of sales disaggregated by geographical area (Detail) - Sales Revenue, Net - Geographic Concentration Risk	12 Months Ended
	Aug. 26, 2023	Aug. 27, 2022	Aug. 28, 2021
Product Information [Line Items]
Concentration risk percentage	100.00%	100.00%	100.00%
United States
Product Information [Line Items]
Concentration risk percentage	89.00%	92.00%	93.00%
Mexico
Product Information [Line Items]
Concentration risk percentage	10.00%	8.00%	7.00%
Brazil and all other
Product Information [Line Items]
Concentration risk percentage	1.00%