Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ (191,213)
Foreign currency translation adjustment	$ 32,441	$ (9,344)	10,339	$ (45,808)
Unrealized loss on hedging activities	2,302	(1,535)	(1,697)	(2,954)
Ending balance	(182,571)		(182,571)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(163,507)
Foreign currency translation adjustment			10,339
Reclassifications from AOCI to income, foreign currency translation			0
Ending balance	(153,168)		(153,168)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(13,149)
Other comprehensive income (loss) before reclassifications, net pension and OPEB liability			0
Reclassifications from AOCI to income, net pension and OPEB liability			0
Ending balance	(13,149)		(13,149)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(18,556)	(10,901)	(14,557)	(9,482)
Unrealized loss on hedging activities			(4,408)
Loss reclassified from AOCI into income			2,711
Ending balance	(16,254)	$ (12,436)	(16,254)	$ (12,436)
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(191,213)
Other comprehensive income (loss) before reclassifications			5,931
Reclassifications from AOCI to income			2,711
Ending balance	$ (182,571)		$ (182,571)