XML 57 R46.htm IDEA: XBRL DOCUMENT v3.21.1
SHARE-BASED COMPENSATION Text (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2021
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%