Non-Operating Income (Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2012	Dec. 02, 2011	Dec. 03, 2010
Interest and other income (expense), net:
Interest income	$ 24,549	$ 24,506	$ 21,923
Foreign exchange gains (losses)	(31,431)	(30,226)	(12,948)
Realized gains on fixed income investment	3,152	2,012	2,953
Realized losses on fixed income investment	(278)	(178)	0
Other	594	912	1,211
Interest and other income (expense), net	(3,414)	(2,974)	13,139
Interest expense	(67,487)	(66,952)	(56,952)
Investment gains (losses), net:
Realized investment gains	8,918	7,159	9,819
Unrealized investment gains	940	0	1,008
Realized investment losses	(104)	(850)	(9,619)
Unrealized investment losses	(250)	(452)	(7,318)
Investment gains (losses), net	9,504	5,857	(6,110)
Non-operating income (expense), net	$ (61,397)	$ (64,069)	$ (49,923)