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