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SHARE-BASED COMPENSATION Text (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Oct. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award      
ESPP plan purchase price (in hundredths) 85.00% 85.00%  
Inventory      
Share-based Compensation Arrangement by Share-based Payment Award      
Share-based compensation capitalized in inventory $ 0   $ 0
Share-based Payment Arrangement, Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award      
Vesting percentage 25.00%    
Vesting Period 4 years    
Share Based Compensation Arrangement By Share Based Payment Award Award Maximum Contractual Term ten years    
Share Based Compensation Arrangement By Share Based Payment Award Incentive Compensation Plan Percent Of Market Price 100.00%    
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Vesting percentage 25.00%    
Vesting Period 4 years    
Minimum | Performance Shares [LTPP]      
Share-based Compensation Arrangement by Share-based Payment Award      
Vesting percentage 0.00%    
Maximum | Performance Shares [LTPP]      
Share-based Compensation Arrangement by Share-based Payment Award      
Vesting percentage 200.00%