Segment Reporting - Segment Results (Detail) - USD ($) $ in Thousands	3 Months Ended
Nov. 23, 2019	Nov. 17, 2018
Segment Reporting Information [Line Items]
Net sales	$ 2,793,038	$ 2,641,733
Gross profit	1,501,068	1,417,474
Operating, selling, general and administrative expenses	(1,001,045)	(929,656)
Interest expense, net	(43,743)	(39,006)
Income before income taxes	456,280	448,812
Auto Parts Stores [ Member]
Segment Reporting Information [Line Items]
Net sales	2,743,239	2,593,440
Gross profit	1,466,161	1,383,564
Other [Member]
Segment Reporting Information [Line Items]
Net sales	49,799	48,293
Gross profit	$ 34,907	$ 33,910

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

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