Non-Operating Income (Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 30, 2013	Aug. 31, 2012	Aug. 30, 2013	Aug. 31, 2012
Interest and other income (expense), net:
Interest income	$ 5,332	$ 6,575	$ 16,620	$ 18,696
Foreign exchange gains (losses)	(3,847)	(6,458)	(15,438)	(23,918)
Realized gains on fixed income investment	986	909	3,385	2,085
Realized losses on fixed income investment	(1,032)	(12)	(1,059)	(278)
Other	293	203	738	719
Interest and other income (expense), net	1,732	1,217	4,246	(2,696)
Interest expense	(16,747)	(17,253)	(50,786)	(50,720)
Investment gains (losses), net:
Realized investment gains	864	78	1,359	8,865
Unrealized investment gains	0	936	214	642
Realized investment losses	(2,034)	(70)	(7,049)	(104)
Unrealized investment losses	(909)	0	0	(250)
Investment gains (losses), net	(2,079)	944	(5,476)	9,153
Total non-operating income (expense), net	$ (17,094)	$ (15,092)	$ (52,016)	$ (44,263)