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Commitments and Contingencies (Tables)
12 Months Ended
Nov. 30, 2017
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Rental Payments
Future minimum rental payments under these leases are as follows at November 30, 2017 (in thousands):
 
2018
$
5,841

2019
5,172

2020
4,755

2021
2,201

2022
1,505

Thereafter
3,717

Total
$
23,191