Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 13, 2016	Feb. 14, 2015	Feb. 13, 2016	Feb. 14, 2015
Income Statement [Abstract]
Net sales	$ 2,257,192	$ 2,143,651	$ 4,643,235	$ 4,403,916
Cost of sales, including warehouse and delivery expenses	1,066,596	1,023,618	2,199,705	2,107,222
Gross profit	1,190,596	1,120,033	2,443,530	2,296,694
Operating, selling, general and administrative expenses	807,936	758,764	1,622,875	1,526,863
Operating profit	382,660	361,269	820,655	769,831
Interest expense, net	32,832	34,536	67,842	71,596
Income before income taxes	349,828	326,733	752,813	698,235
Income taxes	121,215	115,010	266,088	248,202
Net income	$ 228,613	$ 211,723	$ 486,725	$ 450,033
Weighted average shares for basic earnings per share	30,170	31,903	30,334	32,018
Effect of dilutive stock equivalents	608	637	624	633
Weighted average shares for diluted earnings per share	30,778	32,540	30,958	32,651
Basic earnings per share	$ 7.58	$ 6.64	$ 16.05	$ 14.06
Diluted earnings per share	$ 7.43	$ 6.51	$ 15.72	$ 13.78