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SHARE-BASED COMPENSATION Text (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024	Oct. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award
Share-Based Payment Compensation, Amount Capitalized in Inventory			$ 0		$ 0
Employee Stock [ESPP]
Share-based Compensation Arrangement by Share-based Payment Award
ESPP plan purchase price (in hundredths)	85.00%	85.00%	85.00%	85.00%
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	25.00%	25.00%	25.00%	25.00%
Vesting Period	4 years	4 years	4 years	4 years
Maximum contractual term, Expiration Period	10 years	10 years	10 years	10 years
Exercise Price of Common Stock, Percent of FMV	100.00%	100.00%	100.00%	100.00%
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	25.00%	25.00%	25.00%	25.00%
Vesting Period	4 years	4 years	4 years	4 years
Minimum | Performance Shares [LTPP]
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	0.00%	0.00%	0.00%	0.00%
Maximum | Performance Shares [LTPP]
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	200.00%	200.00%	200.00%	200.00%

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