Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017
Income Statement [Abstract]
Net sales	$ 11,863,743	$ 11,221,077	$ 10,888,676
Cost of sales, including warehouse and delivery expenses	5,498,742	5,247,331	5,149,056
Gross profit	6,365,001	5,973,746	5,739,620
Operating, selling, general and administrative expenses	4,148,864	4,162,890	3,659,551
Operating profit	2,216,137	1,810,856	2,080,069
Interest expense, net	184,804	174,527	154,580
Income before income taxes	2,031,333	1,636,329	1,925,489
Income tax expense	414,112	298,793	644,620
Net income	$ 1,617,221	$ 1,337,536	$ 1,280,869
Weighted average shares for basic earnings per share	24,966	26,970	28,430
Effect of dilutive stock equivalents	532	454	635
Weighted average shares for diluted earnings per share	25,498	27,424	29,065
Basic earnings per share	$ 64.78	$ 49.59	$ 45.05
Diluted earnings per share	$ 63.43	$ 48.77	$ 44.07