Business And Summary Of Significant Accounting Policies (Schedule Of Adoption Of New Accounting Standards) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 02, 2017	Jun. 03, 2017	Mar. 04, 2017	Dec. 03, 2016	Sep. 03, 2016	May 28, 2016	Feb. 27, 2016	Nov. 28, 2015	Sep. 02, 2017	Sep. 03, 2016	Aug. 29, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Provision for income taxes									$ 136,561	$ 140,515	$ 141,833
Net income	$ 60,748	$ 62,836	$ 53,559	$ 54,288	$ 61,846	$ 64,816	$ 49,525	$ 55,029	$ 231,431	$ 231,216	$ 231,308
Basic	$ 1.07	$ 1.10	$ 0.94	$ 0.96	$ 1.03	$ 1.06	$ 0.81	$ 0.89	$ 4.08	$ 3.78	$ 3.75
Diluted	$ 1.07	$ 1.09	$ 0.93	$ 0.96	$ 1.02	$ 1.05	$ 0.80	$ 0.89	$ 4.05	$ 3.77	$ 3.74
Basic									56,591,000	60,908,000	61,292,000
Diluted									56,971,000	61,076,000	61,487,000
Accounting Standards Update 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Provision for income taxes				$ 33,257
Net income				$ 54,288
Basic				$ 0.96
Diluted				$ 0.96
Basic				56,381.00
Diluted				56,608.00
Scenario, Previously Reported [Member] | Accounting Standards Update 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Provision for income taxes				$ 33,442
Net income				$ 54,103
Basic				$ 0.96
Diluted				$ 0.95
Basic				56,381.00
Diluted				56,572.00