RESTRUCTURING CHARGES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 8.7	$ 3.1	$ 13.5	$ 10.3
Amounts remaining to be incurred	9.3		9.3
Employee Separation Costs
Restructuring and Related Costs [Line Items]
Restructuring charges	6.5		9.2
Other restructuring costs
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 2.2		$ 4.3