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Commitments and Contingencies (Future Minimum Rental Payments) (Details)
$ in Thousands
Nov. 30, 2016
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2017 $ 5,475
2018 4,147
2019 3,188
2020 2,853
2021 1,020
Thereafter 891
Total $ 17,574