RESTRUCTURING CHARGES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 3.5	$ 3.1
Amounts remaining to be incurred	14.6
Employee Separation Costs
Restructuring and Related Costs [Line Items]
Restructuring charges	1.6
Other restructuring costs
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 1.9