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Other asset - Summary of detailed information about other asset (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Nov. 30, 2022
Nov. 30, 2023
Nov. 30, 2021
Cost      
Ending balance $ 19,530 $ 19,530 $ 19,530
Accumulated amortization      
Beginning balance 17,089    
Amortization 2,441    
Ending balance 19,530    
Net carrying amounts $ 0 $ 0