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Fair Value - Summary of Assets and Liabilities Measured at Fair Value on Recurring basis (Details) - Recurring Basis - USD ($)
$ in Thousands
Nov. 30, 2016
Nov. 30, 2015
Assets    
Derivative financial instruments $ 897 $ 0
Total assets 897 0
Liabilities    
Derivative financial instruments 0 611
Total liabilities 0 611
Level 2    
Assets    
Derivative financial instruments 897 0
Total assets 897 0
Liabilities    
Derivative financial instruments 0 611
Total liabilities $ 0 $ 611