Segment Reporting - Segment Results (Detail) - USD ($) $ in Thousands	12 Months Ended
	Aug. 28, 2021	Aug. 29, 2020	Aug. 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 14,629,585	$ 12,631,967	$ 11,863,743
Gross profit	7,717,785	6,770,753	6,365,001
Operating, selling, general and administrative expenses	(4,773,258)	(4,353,074)	(4,148,864)
Interest expense, net	(195,337)	(201,165)	(184,804)
Income before income taxes	2,749,190	2,216,514	2,031,333
Segment Assets	14,516,199	14,423,872	9,895,913
Capital Expenditures	621,767	457,736	496,050
Auto Parts Stores
Segment Reporting Information [Line Items]
Net sales	14,381,712	12,405,929	11,645,235
Gross profit	7,556,889	6,617,508	6,209,229
Segment Assets	14,398,581	14,303,427	9,781,926
Capital Expenditures	602,329	432,067	479,120
Auto Parts Stores | Failure
Segment Reporting Information [Line Items]
Net sales	7,048,700	6,088,859	5,728,294
Auto Parts Stores | Maintenance Items
Segment Reporting Information [Line Items]
Net sales	4,888,763	4,284,913	4,140,987
Auto Parts Stores | Discretionary
Segment Reporting Information [Line Items]
Net sales	2,444,249	2,032,157	1,775,954
Other
Segment Reporting Information [Line Items]
Net sales	247,873	226,038	218,508
Gross profit	160,896	153,245	155,772
Segment Assets	117,618	120,445	113,987
Capital Expenditures	$ 19,438	$ 25,669	$ 16,930