RESTRUCTURING CHARGES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 3.1	$ 3.7	$ 10.3	$ 18.8
Amounts remaining to be incurred	10.5		10.5
Employee Separation Costs
Restructuring and Related Costs [Line Items]
Restructuring charges	1.3		5.2
Other restructuring costs
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 1.8		$ 5.1