Goodwill and Intangible Assets - Summary of Goodwill by Segment (Detail) - USD ($) $ in Millions	Apr. 30, 2024	Oct. 31, 2023	Apr. 30, 2023	Oct. 31, 2022
Goodwill [Line Items]
Goodwill	$ 137.7	$ 157.3	$ 157.3	$ 157.3
Specialty Vehicles [Member]
Goodwill [Line Items]
Goodwill	95.2	114.8
Recreational Vehicles [Member]
Goodwill [Line Items]
Goodwill	$ 42.5	$ 42.5