Stockholders' Equity (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 29, 2014	Aug. 30, 2013	Aug. 29, 2014		Aug. 30, 2013
Gross unrealized gains, available-for-sale securities [Abstract]
Beginning balance, unrealized gains on available-for-sale securities			$ 10,178
Gross unrealized gains on available for sale securities, increase or decrease			1,596
Gross unrealized gains on available for sale securities, reclassification adjustments			(3,534)
Ending balance, unrealized gains on available-for-sale securities	8,240		8,240
Gross unrealized losses, available-for-sale securities [Abstract]
Beginning balance, unrealized losses on available-for-sale securities			(937)
Gross unrealized losses on available for sale securities increase or decrease			70
Gross unrealized losses on available for sale securities, reclassification adjustments			54
Ending balance, unrealized losses on available-for-sale securities	(813)		(813)
Net unrealized gains on available-for-sale securities [Abstract]
Beginning Balance, net unrealized gains on available-for-sale securities			9,241
Net unrealized gains on available for sale securities, increase or decrease	(1,822)	(7,757)	1,666		(12,310)
Net unrealized gains on available for sale securities, reclassification adjustments	(1,592)	46	(3,480)	[1]	(2,326)
Ending Balance, net unrealized gains on available-for-sale securities	7,427		7,427
Net unrealized gains on derivatives designated as hedging instuments [Abstract]
Beginning balance, net unrealized gains on derivative instruments designated as hedging instruments			5,367
Net unrealized gains on derivative instruments designated as hedging instruments, increase or decrease	10,003	(2,947)	11,976		29,713
Net unrealized gains on derivative instruments designated as hedging instruments, reclassification adjustments	(1,075)	(10,487)	(6,490)	[2]	(32,880)
Ending balance, net unrealized gains on derivative instruments designated as hedging instruments	10,853		10,853
Cumulative foreign currency translation adjustments [Abstract]
Beginning balance, cumulative foreign currency translation adjustments			31,495
Cumulative foreign currency translation adjustment, increase or decrease	(32,090)	6,651	(29,708)		57
Cumulative foreign currency translation adjustment, reclassification adjustments			0
Ending balance, cumulative foreign currency translation adjustments	1,787		1,787
Accumulated other comprehensive income totals [Abstract]
Beginning balance, total accumulated other comprehensive income, net of taxes			46,103	[3]
Accumulated other comprehensive income, increase or decrease			(16,066)
Accumulated other comprehensive income, reclassification adjustments			(9,970)
Ending balance, total accumulated other comprehensive income, net of taxes	$ 20,067		$ 20,067

[1] Classified in interest and other income (expense), net.

[2] Classified as revenue.

[3] The Condensed Consolidated Balance Sheet as of November 29, 2013 has been derived from the audited Consolidated Financial Statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements.