Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 02, 2013	Feb. 25, 2012	Mar. 02, 2013	Feb. 25, 2012
Condensed Consolidated Statements Of Income And Comprehensive Income [Abstract]
Net sales	$ 569,462	$ 562,974	$ 1,146,953	$ 1,108,677
Cost of goods sold	313,093	303,514	625,495	597,084
Gross profit	256,369	259,460	521,458	511,593
Operating expenses	165,793	162,933	328,530	318,242
Income from operations	90,576	96,527	192,928	193,351
Other Income (Expense):
Interest expense	(73)	(70)	(125)	(116)
Interest income	39	68	82	118
Other income (expense), net	87	(16)	71	(20)
Total other income (expense)	53	(18)	28	(18)
Income before provision for income taxes	90,629	96,509	192,956	193,333
Provision for income taxes	34,550	36,441	73,690	73,428
Net income	$ 56,079	$ 60,068	$ 119,266	$ 119,905
Net income per common share:
Basic	$ 0.89	$ 0.95	$ 1.89	$ 1.90
Diluted	$ 0.88	$ 0.95	$ 1.88	$ 1.89
Weighted average shares used in computing net income per common share:
Basic	62,699	62,616	62,538	62,451
Diluted	63,008	63,008	62,854	62,818
Cash dividend declared per common share	$ 0.30	$ 0.25	$ 0.60	$ 0.50