Consolidated Condensed Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Nov. 24, 2012	Nov. 26, 2011
Income Statement [Abstract]
Net sales	$ 2,421,688	$ 2,148,287
Cost and expenses:
Cost of sales	1,594,894	1,390,715
Selling, general and administrative	699,825	627,585
Cost of sales and operating expenses	2,294,719	2,018,300
Operating profit	126,969	129,987
Investment income	75	234
Interest expense	7,122	6,712
Other income	6,362	4,923
Income before income taxes	126,284	128,432
Income taxes	46,005	48,082
Net income	$ 80,279	$ 80,350
Net income per common share-basic	$ 0.69	$ 0.68
Weighted average shares-basic	115,521	117,649
Net income per common share - diluted	$ 0.69	$ 0.68
Weighted average shares - diluted	116,197	118,591
Common Stock, Dividends, Per Share, Declared	$ 0.21	$ 0.180