Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangibles Goodwill (Details)

v3.20.1
Goodwill and Intangibles Goodwill (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Dec. 31, 2019
Goodwill [Roll Forward]      
Goodwill, Beginning Balance $ 415.0 $ 377.3  
Goodwill, Other Increase (Decrease) (1.0) 4.5  
Goodwill, Ending Balance 414.0 381.8  
Goodwill, Impaired, Accumulated Impairment Loss 0.0 0.0 $ 0.0
Propulsion [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 14.5 14.6  
Goodwill, Other Increase (Decrease) (0.7) 0.0  
Goodwill, Ending Balance 13.8 14.6  
Parts and Accessories [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 371.9 360.5  
Goodwill, Other Increase (Decrease) (0.3) 4.5  
Goodwill, Ending Balance 371.6 365.0  
Boat [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 28.6 2.2  
Goodwill, Other Increase (Decrease) 0.0 0.0  
Goodwill, Ending Balance $ 28.6 $ 2.2  
Customer Relationships [Member]      
Goodwill [Roll Forward]      
Finite-Lived Intangible Asset, Weighted Average Remaining Useful Life 13 years 3 months 18 days    
Other Intangible Assets [Member]      
Goodwill [Roll Forward]      
Finite-Lived Intangible Asset, Weighted Average Remaining Useful Life 11 years 8 months 12 days