Derivative Instruments and Hedging Activities (Narrative) (Details) - Foreign Exchange Contracts [Member] - USD ($) $ in Thousands	12 Months Ended
	Nov. 28, 2015	Nov. 29, 2014
Fair Value Hedging [Member]
Derivative [Line Items]
Notional amount	$ 5,326	$ 6,013
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	36,259	87,440
Not Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Notional amount	48,797
De-designated as a Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	7,212	4,026
Gains on foreign currency contracts	854	2,421
Losses on foreign currency contracts	$ 179	$ 648