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Derivative Instruments and Hedging Activities-Realized & Unrealized (Details) - Forward foreign exchange contracts [Member] - Other Income [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Aug. 27, 2017
Aug. 28, 2016
Aug. 27, 2017
Aug. 28, 2016
Derivative Instruments, Gain (Loss) [Line Items]        
Realized $ (3,894) $ 4,531 $ 184 $ 21,418
Unrealized (15,253) (12,763) (44,705) (27,032)
Total $ (19,147) $ (8,232) $ (44,521) $ (5,614)