Segment Reporting - Segment Results (Detail) - USD ($) $ in Thousands	3 Months Ended		8 Months Ended
	May 04, 2019	May 05, 2018	May 04, 2019	May 05, 2018
Segment Reporting Information [Line Items]
Net sales	$ 2,783,006	$ 2,660,152	$ 7,875,307	$ 7,662,309
Gross profit	1,492,020	1,422,974	4,234,601	4,065,867
Operating, selling, general and administrative expenses	(944,497)	(877,209)	(2,799,239)	(2,846,250)
Interest expense, net	(43,239)	(41,958)	(123,608)	(120,186)
Income before income taxes	504,284	503,807	1,311,754	1,099,431
Auto Parts Locations [Member]
Segment Reporting Information [Line Items]
Net sales	2,731,900	2,610,485	7,728,173	7,452,186
Gross profit	1,457,608	1,387,497	4,132,358	3,942,949
Other [Member]
Segment Reporting Information [Line Items]
Net sales	51,106	49,667	147,134	210,123
Gross profit	$ 34,412	$ 35,477	$ 102,243	$ 122,918