Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Nov. 23, 2013	Nov. 17, 2012
Income Statement [Abstract]
Net sales	$ 2,093,578	$ 1,991,040
Cost of sales, including warehouse and delivery expenses	1,007,881	959,174
Gross profit	1,085,697	1,031,866
Operating, selling, general and administrative expenses	701,971	668,590
Operating profit	383,726	363,276
Interest expense, net	42,431	41,104
Income before income taxes	341,295	322,172
Income taxes	123,208	118,720
Net income	$ 218,087	$ 203,452
Weighted average shares for basic earnings per share	34,111	36,845
Effect of dilutive stock equivalents	565	741
Adjusted weighted average shares for diluted earnings per share	34,676	37,586
Basic earnings per share	$ 6.39	$ 5.52
Diluted earnings per share	$ 6.29	$ 5.41