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Note 12 - Share-based Compensation - Other PSU-related Information (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Feb. 28, 2023
Feb. 28, 2022
Withholding tax paid on PSUs vested $ (0) $ 2,122
Performance Share Units [Member]    
Performance multiplier on PSUs vested 0.00% 93.00%
Common shares issued (thousands) (in shares) 0 430
Total fair value of common shares issued $ 0 $ 2,903
Withholding tax paid on PSUs vested $ 0 $ 2,122