Quarterly Summary - Quarterly Summary (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						4 Months Ended		12 Months Ended
	May 04, 2019	Feb. 09, 2019	Nov. 17, 2018	May 05, 2018	Feb. 10, 2018	Nov. 18, 2017	Aug. 31, 2019	Aug. 25, 2018	Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 2,783,006	$ 2,450,568	$ 2,641,733	$ 2,660,152	$ 2,413,026	$ 2,589,131	$ 3,988,435	$ 3,558,769	$ 11,863,743	$ 11,221,077	$ 10,888,676
Gross profit	1,492,020	1,325,107	1,417,474	1,422,974	1,277,046	1,365,848	2,130,400	1,907,879	6,365,001	5,973,746	5,739,620
Operating profit	547,523	400,020	487,818	545,765	205,098	468,754	780,775	591,239	2,216,137	1,810,856	2,080,069
Income before income taxes	504,284	358,658	448,812	503,807	165,758	429,865	719,578	536,899	2,031,333	1,636,329	1,925,489
Net income	$ 405,949	$ 294,638	$ 351,406	$ 366,721	$ 289,530	$ 281,003	$ 565,228	$ 400,282	$ 1,617,221	$ 1,337,536	$ 1,280,869
Basic earnings per share	$ 16.35	$ 11.71	$ 13.71	$ 13.62	$ 10.58	$ 10.17	$ 23.15	$ 15.27	$ 64.78	$ 49.59	$ 45.05
Diluted earnings per share	$ 15.99	$ 11.49	$ 13.47	$ 13.42	$ 10.38	$ 10.00	$ 22.59	$ 15.02	$ 63.43	$ 48.77	$ 44.07