Segment Reporting - Segment Results (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 13, 2021	Feb. 15, 2020	Feb. 13, 2021	Feb. 15, 2020
Segment Reporting Information [Line Items]
Net sales	$ 2,910,818	$ 2,513,663	$ 6,065,078	$ 5,306,700
Gross profit	1,559,383	1,366,063	3,235,000	2,867,131
Operating, selling, general and administrative expenses	(1,077,616)	(958,125)	(2,138,008)	(1,959,170)
Interest expense, net	(46,012)	(44,335)	(92,191)	(88,078)
Income before income taxes	435,755	363,603	1,004,801	819,883
Auto Parts Stores
Segment Reporting Information [Line Items]
Net sales	2,859,698	2,464,988	5,961,295	5,208,226
Gross profit	1,524,981	1,331,270	3,164,885	2,797,431
Other
Segment Reporting Information [Line Items]
Net sales	51,120	48,675	103,783	98,474
Gross profit	$ 34,402	$ 34,793	$ 70,115	$ 69,700

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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