Share Repurchase Program (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Feb. 26, 2011	Nov. 27, 2010
Share Repurchase Program [Line Items]
Stock Repurchase Program, Authorized Amount		$ 100,000
Total Value Of Repurchased Shares	2,497
Decreased Value Of Common Stock Shares Repurchased	110
Decreased Value Of Additional Paid In Capital For Shares Repurchased	$ 2,387