Non-Operating Income (Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2013	Jun. 01, 2012	May 31, 2013	Jun. 01, 2012
Interest and other income (expense), net:
Interest income	$ 5,606	$ 5,929	$ 11,288	$ 12,123
Foreign exchange gains (losses)	(5,418)	(7,738)	(11,592)	(17,459)
Realized gains on fixed income investment	800	474	2,399	1,176
Realized losses on fixed income investment	(13)	(61)	(27)	(267)
Other	293	268	446	514
Interest and other income (expense), net	1,268	(1,128)	2,514	(3,913)
Interest expense	(17,205)	(16,629)	(34,039)	(33,467)
Investment gains (losses), net:
Realized investment gains	76	8,542	494	8,787
Unrealized investment gains	679	0	1,123	0
Realized investment losses	(5,000)	(1)	(5,014)	(34)
Unrealized investment losses	0	(1,353)	0	(544)
Investment gains (losses), net	(4,245)	7,188	(3,397)	8,209
Total non-operating income (expense), net	$ (20,182)	$ (10,569)	$ (34,922)	$ (29,171)