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Goodwill and Intangible Assets - Summary of Goodwill by Segment (Detail) - USD ($)
$ in Millions
Jan. 31, 2023
Oct. 31, 2022
Goodwill [Line Items]    
Goodwill $ 157.3 $ 157.3
Fire & Emergency [Member]    
Goodwill [Line Items]    
Goodwill 88.6 88.6
Commercial [Member]    
Goodwill [Line Items]    
Goodwill 26.2 26.2
Recreation [Member]    
Goodwill [Line Items]    
Goodwill $ 42.5 $ 42.5