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Derivative Instruments and Hedging Activities - Realized & Unrealized (Details) - Forward foreign exchange contracts [Member] - Other Income [Member] - USD ($)
$ in Thousands
12 Months Ended
Nov. 26, 2017
Nov. 27, 2016
Nov. 29, 2015
Derivative Instruments, Gain (Loss) [Line Items]      
Realized $ (5,773) $ 17,175 $ 14,720
Unrealized (35,394) (1,315) 19,386
Total $ (41,167) $ 15,860 $ 34,106