Employee Retirement Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Retirement Benefits [Abstract]
Plan expenses	$ 38.1	$ 35.3	$ 28.5
Projected benefit obligation	18.3	18.9
Fair value of the plan assets	17.6	18.4
Underfunded status of plans	0.7	0.6
Net cost and (reversal of cost) recognized	$ 0.2	$ (0.2)	$ (0.1)