Derivative Instruments (Outstanding Foreign Currency Forward Contracts) (Details) - USD ($) $ in Thousands	Nov. 30, 2021	Nov. 30, 2020
Derivative [Line Items]
Derivative contracts, notional value	$ 79,896	$ 69,471
Derivative assets (liabilities), at fair value	(372)	1,442
Interest rate swap
Derivative [Line Items]
Derivative contracts, notional value	133,125	142,500
Derivative assets (liabilities), at fair value	(3,078)	(6,855)
Forward contracts to sell U.S. dollars
Derivative [Line Items]
Derivative contracts, notional value	79,777	69,031
Derivative assets (liabilities), at fair value	(371)	1,445
Forward contracts to purchase U.S. dollars
Derivative [Line Items]
Derivative contracts, notional value	119	440
Derivative assets (liabilities), at fair value	$ (1)	$ (3)