Stock-Based Compensation (Details) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Aug. 30, 2013	Nov. 30, 2012	Aug. 31, 2012
Restricted Stock Unit [Member]
Restricted Stock and Performance Shares Activity
Beginning outstanding balance	18,415	16,871	18,877
Awarded, Shares	6,826	9,431
Released, Shares	(5,837)	(5,854)
Forfeited, Shares	(1,241)	(2,147)
Increase due to acquisition, Shares	0	114
Ending outstanding balance	18,163	18,415	18,877
Performance Shares [Member] | Current Program [Member] | Shares Granted [Member]
Restricted Stock and Performance Shares Activity
Beginning outstanding balance	0
Awarded, Shares	946
Forfeited, Shares	(84)
Ending outstanding balance	862
Performance Shares [Member] | Current Program [Member] | Maximum Shares Eligible to Receive [Member]
Restricted Stock and Performance Shares Activity
Beginning outstanding balance	0
Awarded, Shares	1,891
Forfeited, Shares	(168)
Ending outstanding balance	1,723
Performance Shares [Member] | Prior Year [Member]
Restricted Stock and Performance Shares Activity
Beginning outstanding balance	388	405	431
Achieved, Shares	1,279	492
Released, Shares	(665)	(464)
Forfeited, Shares	(134)	(45)
Ending outstanding balance	868	388	431