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BASIS OF PRESENTATION (Details)
6 Months Ended
Jul. 31, 2021
segment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of reportable segments 2
Deferred compensation arrangements maximum percentage of base salary 80.00%
Deferred compensation arrangements maximum percentage of bonus 100.00%
Deferred Awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Deferred Awards | Non-employee Directors  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 1 year
Performance Awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Performance award vesting rights, percentage 0.00%
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Performance award vesting rights, percentage 300.00%