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Commitments and Contingencies (Future Minimum Rental Payments) (Details)
$ in Thousands
Nov. 30, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2019 $ 6,256
2020 5,163
2021 3,373
2022 2,709
2023 2,746
Thereafter 4,337
Total $ 24,584