NET INCOME PER COMMON SHARE - Schedule of Basic and Diluted Net Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net income	$ 162.4	$ 81.4	$ 251.3
Weighted-average common and common equivalent shares outstanding—Basic (in shares)	62.3	63.2	66.0
Effect of dilutive securities
Weighted-average common and common equivalent shares outstanding—Diluted (in shares)	62.7	63.6	66.3
Net income per common share
Basic (in USD per share)	$ 2.61	$ 1.29	$ 3.81
Diluted (in USD per share)	$ 2.59	$ 1.28	$ 3.79
RSUs
Effect of dilutive securities
Effect of dilutive securities (in shares)	0.3	0.3	0.2
Performance shares
Effect of dilutive securities
Effect of dilutive securities (in shares)	0.1	0.1	0.2