XML 51 R41.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Instruments (Foreign Currency Forward Contracts) (Details) - USD ($)
$ in Thousands
May 31, 2018
Nov. 30, 2017
Derivative [Line Items]    
Notional Value $ 128,263 $ 119,654
Fair Value (1,471) (27)
Forward contracts to sell U.S. dollars    
Derivative [Line Items]    
Notional Value 127,560 119,192
Fair Value (1,473) (27)
Forward contracts to purchase U.S. dollars    
Derivative [Line Items]    
Notional Value 703 462
Fair Value $ 2 $ 0