Stock-Based Compensation (Details 3) (Stock Options [Member]) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Feb. 28, 2014	Nov. 29, 2013	Mar. 01, 2013
Stock Options [Member]
Stock Option Activity [Rollforward]
Beginning outstanding balance	7,359	24,517	18,535
Granted, Shares	0	25
Exercised, Shares	(1,477)	(15,872)
Cancelled, Shares	(75)	(1,584)
Increase due to acquisition, Shares	0	273
Ending outstanding balance	5,807	7,359	18,535