Share Repurchase Program (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 01, 2012	Aug. 27, 2011	Sep. 01, 2012	Aug. 27, 2011	Nov. 27, 2010
Share Repurchase Program [Line Items]
Stock Repurchase Program, Authorized Amount					$ 100,000
Total Value Of Repurchased Shares	2,999	2,499	2,999	7,494
Decreased Value Of Common Stock Shares Repurchased	100	120	100	346
Decreased Value Of Additional Paid In Capital For Shares Repurchased	$ 2,899	$ 2,379	$ 2,899	$ 7,148