Business Combinations (Summary Of Unaudited Proforma Financial Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Sep. 01, 2012
Business Combinations [Abstract]
Net Sales	$ 2,642,720	$ 2,664,086
Net Income	$ 242,966	$ 260,895
Net income per share Two-class method: Basic	$ 3.85	$ 4.14
Net income per share Two-class method: Diluted	$ 3.83	$ 4.12