Employee Retirement Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Retirement Benefits [Abstract]
Plan expenses	$ 35.3	$ 28.5	$ 17.4
Projected benefit obligation	18.9	35.1
Fair value of the plan assets	18.4	33.0
Underfunded status of plans	0.6	2.1
Net income recognized	$ 0.2	$ 0.1	$ 0.2