Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 04, 2017	Feb. 27, 2016	Mar. 04, 2017	Feb. 27, 2016
Condensed Consolidated Statements Of Income [Abstract]
Net sales	$ 703,780	$ 684,117	$ 1,390,051	$ 1,390,936
Cost of goods sold	389,218	375,326	766,754	763,173
Gross profit	314,562	308,791	623,297	627,763
Operating expenses	227,917	228,249	446,052	456,833
Income from operations	86,645	80,542	177,245	170,930
Other (expense) income:
Interest expense	(2,950)	(1,295)	(5,884)	(2,851)
Interest income	164	164	327	327
Other (expense) income, net	(54)	739	(338)	802
Total other expense	(2,840)	(392)	(5,895)	(1,722)
Income before provision for income taxes	83,805	80,150	171,350	169,208
Provision for income taxes	30,246	30,625	63,503	64,654
Net income	$ 53,559	$ 49,525	$ 107,847	$ 104,554
Net income per common share:
Basic	$ 0.94	$ 0.81	$ 1.90	$ 1.70
Diluted	$ 0.93	$ 0.80	$ 1.89	$ 1.70
Weighted average shares used in computing net income per common share:
Basic	56,620	61,187	56,500	61,242
Diluted	57,213	61,313	56,910	61,361
Cash dividends declared per common share	$ 0.45	$ 0.43	$ 0.90	$ 0.86