Derivatives and Hedging Activities (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 01, 2017	Dec. 02, 2016	Nov. 27, 2015
Net gain (losses) from foreign exchange option contracts recognized from income
Foreign Currency Transaction Gain (Loss), before Tax	$ (30,705)	$ (35,716)	$ (20,130)
Derivatives not designated as hedging instruments [Member]
Net gain (losses) from foreign exchange option contracts recognized from income
Foreign Currency Transaction Gain (Loss), Realized	(6,142)	832	(10,952)
Foreign Currency Transaction Gain (Loss), Unrealized	(907)	(6,070)	3,815
Foreign Currency Transaction Gain (Loss), before Tax	(7,049)	(5,238)	(7,137)
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	5,415	174	5,490
Unrealized Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	1,171	(1,482)	(1,060)
Realized and Unrealized Gain (Loss) on Foreign Currency Derivative Instruments Not Designated As Hedging Instruments, Net	6,586	(1,308)	4,430
Derivative, Gain (Loss) on Derivative, Net	$ (463)	$ (6,546)	$ (2,707)