CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	May 10, 2014	May 04, 2013	May 10, 2014	May 04, 2013
Income Statement [Abstract]
Net sales	$ 2,341,545	$ 2,205,878	$ 6,425,617	$ 6,052,116
Cost of sales, including warehouse and delivery expenses	1,124,587	1,063,165	3,085,927	2,915,556
Gross profit	1,216,958	1,142,713	3,339,690	3,136,560
Operating, selling, general and administrative expenses	738,006	686,683	2,139,668	1,999,682
Operating profit	478,952	456,030	1,200,022	1,136,878
Interest expense, net	36,162	42,091	118,083	124,519
Income before income taxes	442,790	413,939	1,081,939	1,012,359
Income taxes	157,633	148,356	385,865	367,078
Net income	$ 285,157	$ 265,583	$ 696,074	$ 645,281
Weighted average shares for basic earnings per share	33,073	35,922	33,610	36,342
Effect of dilutive stock equivalents	643	607	607	666
Weighted average shares for diluted earnings per share	33,716	36,529	34,217	37,008
Basic earnings per share	$ 8.62	$ 7.39	$ 20.71	$ 17.76
Diluted earnings per share	$ 8.46	$ 7.27	$ 20.34	$ 17.44