Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Aug. 25, 2018	Aug. 26, 2017	Aug. 27, 2016
Income Statement [Abstract]
Net sales	$ 11,221,077	$ 10,888,676	$ 10,635,676
Cost of sales, including warehouse and delivery expenses	5,247,331	5,149,056	5,026,940
Gross profit	5,973,746	5,739,620	5,608,736
Operating, selling, general and administrative expenses	4,162,890	3,659,551	3,548,341
Operating profit	1,810,856	2,080,069	2,060,395
Interest expense, net	174,527	154,580	147,681
Income before income taxes	1,636,329	1,925,489	1,912,714
Income tax expense	298,793	644,620	671,707
Net income	$ 1,337,536	$ 1,280,869	$ 1,241,007
Weighted average shares for basic earnings per share	26,970	28,430	29,889
Effect of dilutive stock equivalents	454	635	599
Weighted average shares for diluted earnings per share	27,424	29,065	30,488
Basic earnings per share	$ 49.59	$ 45.05	$ 41.52
Diluted earnings per share	$ 48.77	$ 44.07	$ 40.70