Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 25, 2012	Feb. 26, 2011	Feb. 25, 2012	Feb. 26, 2011
Condensed Consolidated Statements Of Income [Abstract]
Net sales	$ 562,974	$ 483,362	$ 1,108,677	$ 956,189
Cost of goods sold	303,514	257,063	597,084	512,197
Gross profit	259,460	226,299	511,593	443,992
Operating expenses	162,933	145,701	318,242	286,244
Income from operations	96,527	80,598	193,351	157,748
Other (Expense) Income:
Interest expense	(70)	(61)	(116)	(160)
Interest income	68	5	118	30
Other (expense) income, net	(16)	28	(20)	(3)
Total other expense	(18)	(28)	(18)	(133)
Income before provision for income taxes	96,509	80,570	193,333	157,615
Provision for income taxes	36,441	30,881	73,428	60,366
Net income	$ 60,068	$ 49,689	$ 119,905	$ 97,249
Net income per common share:
Basic	$ 0.95	$ 0.78	$ 1.90	$ 1.54
Diluted	$ 0.95	$ 0.78	$ 1.89	$ 1.53
Weighted average shares used in computing net income per common share:
Basic	62,616	62,875	62,451	62,622
Diluted	63,008	63,325	62,818	63,060
Cash dividend declared per common share	$ 0.25	$ 0.22	$ 0.50	$ 1.44