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STOCK-BASED COMPENSATION - Bonus Share Program (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2021
Oct. 31, 2021
Combined Stock Bonus Program and Bonus Share Program    
Stock-Based Compensation Plans    
Accrued bonuses   $ 6.4
Bonuses in respect of the year ended January 31, 2021 | Bonus Share Program    
Stock-Based Compensation Plans    
Share-based compensation arrangement by share-based payment award, number of shares authorized 300,000  
Number of shares issued under Bonus Share Program (in shares) 0  
Bonuses in respect of the year ended January 31, 2022 | Bonus Share Program    
Stock-Based Compensation Plans    
Share-based compensation arrangement by share-based payment award, number of shares authorized   300,000