LEASES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
LEASES
Operating lease expense	$ 1.5	$ 1.3	$ 2.8	$ 2.6
Weighted-average remaining term	4 years 3 months 18 days		4 years 3 months 18 days
Weighted-average discount rate	3.50%		3.50%
Capitalized lease costs	$ 0.0		$ 0.0
Minimum
LEASES
Lease term (in years)	2 years		2 years
Maximum
LEASES
Lease term (in years)	5 years		5 years