NET INCOME PER COMMON SHARE - Schedule of Basic and Diluted Net Income Per Common Share Calculations (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net income	$ 44.7	$ 38.5
Weighted-average common and common equivalent shares outstanding — Basic (in shares)	63.5	66.3
Effect of dilutive securities
Weighted-average common and common equivalent shares outstanding — Diluted (in shares)	63.9	66.8
Net income per common share
Basic (in USD per share)	$ 0.70	$ 0.58
Diluted (in USD per share)	$ 0.70	$ 0.58
Restricted stock units
Effect of dilutive securities
Effect of dilutive securities (in shares)	0.2	0.2
Performance shares
Effect of dilutive securities
Effect of dilutive securities (in shares)	0.2	0.2