Segment Reporting - Segment Results (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	May 10, 2014	Feb. 15, 2014	Nov. 23, 2013	May 04, 2013	Feb. 09, 2013	Nov. 17, 2012	Aug. 30, 2014	Aug. 31, 2013	Aug. 30, 2014	Aug. 31, 2013	Aug. 25, 2012
Segment Reporting Information [Line Items]
Net sales	$ 2,341,545	$ 1,990,494	$ 2,093,578	$ 2,205,878	$ 1,855,198	$ 1,991,040	$ 3,049,696	$ 3,095,414	$ 9,475,313	$ 9,147,530	$ 8,603,863
Gross profit	1,216,958	1,037,035	1,085,697	1,142,713	961,981	1,031,866	1,595,216	1,604,376	4,934,907	4,740,935	4,432,036
Operating, selling, general and administrative expenses									(3,104,684)	(2,967,837)	(2,803,145)
Assets							7,517,858	6,892,089	7,517,858	6,892,089	6,265,639
Interest expense, net									(167,509)	(185,415)	(175,905)
Capital Expenditures									438,116	414,451	378,054
Income before income taxes	442,790	297,854	341,295	413,939	276,248	322,172	580,775	575,324	1,662,714	1,587,683	1,452,986
Auto Parts Stores [Member]
Segment Reporting Information [Line Items]
Net sales									9,132,169	8,858,723	8,422,559
Gross profit									4,744,501	4,568,190	4,292,474
Assets							7,300,360	6,719,885	7,300,360	6,719,885	6,214,688
Capital Expenditures									423,951	402,028	364,361
Auto Parts Stores [Member] | Failure [Member]
Segment Reporting Information [Line Items]
Net sales									4,274,528	4,214,642	3,793,963
Auto Parts Stores [Member] | Maintenance Items [Member]
Segment Reporting Information [Line Items]
Net sales									3,362,969	3,224,229	3,196,807
Auto Parts Stores [Member] | Discretionary [Member]
Segment Reporting Information [Line Items]
Net sales									1,494,672	1,419,852	1,431,789
Other [Member]
Segment Reporting Information [Line Items]
Net sales									343,144	288,807	181,304
Gross profit									190,406	172,745	139,562
Assets							217,498	172,204	217,498	172,204	50,951
Capital Expenditures									$ 14,165	$ 12,423	$ 13,693