Non-Operating Income (Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 29, 2014	Aug. 30, 2013	Aug. 29, 2014	Aug. 30, 2013
Interest and other income (expense), net:
Interest income	$ 5,274	$ 5,332	$ 15,649	$ 16,620
Foreign exchange gains (losses)	(5,094)	(3,847)	(12,160)	(15,438)
Realized gains on fixed income investment	1,047	986	2,971	3,385
Realized losses on fixed income investment	(13)	(1,032)	(49)	(1,059)
Other	240	293	751	738
Interest and other income (expense), net	1,454	1,732	7,162	4,246
Interest expense	(13,361)	(16,747)	(47,054)	(50,786)
Investment gains (losses), net:
Realized investment gains	145	864	878	1,359
Unrealized investment gains	524	0	989	214
Realized investment losses	0	(2,034)	(1,054)	(7,049)
Unrealized investment losses	0	(909)	0	0
Investment gains (losses), net	669	(2,079)	813	(5,476)
Nonoperating Income (Expense)	$ (11,238)	$ (17,094)	$ (39,079)	$ (52,016)