Non-Operating Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May. 29, 2015	May. 30, 2014	May. 29, 2015	May. 30, 2014
Interest and other income (expense), net:
Interest income	$ 6,846	$ 5,240	$ 13,134	$ 10,374
Foreign exchange gains (losses)	(3,994)	(4,263)	(8,241)	(7,066)
Realized gains on fixed income investment	717	1,254	1,684	1,924
Realized losses on fixed income investment	(84)	(3)	(124)	(36)
Other	254	335	624	512
Interest and other income (expense), net	3,739	2,563	7,077	5,708
Interest expense	(16,605)	(17,103)	(31,150)	(33,693)
Investment gains (losses), net:
Realized investment gains	315	183	2,011	733
Unrealized investment gains	54	370	0	465
Realized investment losses	(146)	0	(146)	(1,054)
Unrealized investment losses	0	0	(212)	0
Investment gains (losses), net	223	553	1,653	144
Nonoperating Income (Expense)	$ (12,643)	$ (13,987)	$ (22,420)	$ (27,841)