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Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Goodwill [Roll Forward]    
Balance as of December 31, 2022 $ 386.2 $ 391.3
Currency translation effect on foreign goodwill balances (1.0) (11.6)
Balance as of September 30, 2023 389.4 379.7
Goodwill, Acquired During Period 4.2  
Off Road    
Goodwill [Roll Forward]    
Balance as of December 31, 2022 110.7 111.7
Currency translation effect on foreign goodwill balances (0.3) (1.5)
Balance as of September 30, 2023 114.6 110.2
Goodwill, Acquired During Period 4.2  
On Road    
Goodwill [Roll Forward]    
Balance as of December 31, 2022 48.4 52.5
Currency translation effect on foreign goodwill balances (0.7) (10.1)
Balance as of September 30, 2023 47.7 42.4
Marine    
Goodwill [Roll Forward]    
Balance as of December 31, 2022 227.1 227.1
Balance as of September 30, 2023 $ 227.1 $ 227.1