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STOCK-BASED COMPENSATION - Activities Of Stock Bonus Program (Details) - Stock Bonus Program - shares
shares in Thousands
6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Stock-Based Compensation Plans    
Shares in lieu of cash bonus - granted and released (in shares) 131 0
Shares granted in respect of discount 25 0
Shares released in respect of discount 23 0