Quarterly Summary - Quarterly Summary (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						4 Months Ended		12 Months Ended
	May 06, 2017	Feb. 11, 2017	Nov. 19, 2016	May 07, 2016	Feb. 13, 2016	Nov. 21, 2015	Aug. 26, 2017	Aug. 27, 2016	Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 2,619,007	$ 2,289,219	$ 2,467,845	$ 2,593,672	$ 2,257,192	$ 2,386,043	$ 3,512,605	$ 3,398,769	$ 10,888,676	$ 10,635,676	$ 10,187,340
Gross profit	1,378,418	1,205,536	1,301,542	1,370,458	1,190,596	1,252,934	1,854,125	1,794,748	5,739,620	5,608,736	5,327,031
Operating profit	529,570	383,969	458,902	536,374	382,660	437,995	707,628	703,366	2,080,069	2,060,395	1,953,051
Income before income taxes	493,895	349,771	425,596	502,323	349,828	402,985	656,227	657,577	1,925,489	1,912,714	1,802,612
Net income	$ 331,700	$ 237,145	$ 278,125	$ 327,515	$ 228,613	$ 258,112	$ 433,899	$ 426,768	$ 1,280,869	$ 1,241,007	$ 1,160,241
Basic earnings per share	$ 11.70	$ 8.28	$ 9.61	$ 10.99	$ 7.58	$ 8.46	$ 15.52	$ 14.58	$ 45.05	$ 41.52	$ 36.76
Diluted earnings per share	$ 11.44	$ 8.08	$ 9.36	$ 10.77	$ 7.43	$ 8.29	$ 15.27	$ 14.30	$ 44.07	$ 40.70	$ 36.03