Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangibles Goodwill (Details)

v3.19.3
Goodwill and Intangibles Goodwill (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Dec. 31, 2018
Goodwill [Roll Forward]      
Goodwill, Beginning Balance $ 377.3 $ 33.9  
Acquisitions 26.0 344.2  
Impairments 0.0 0.0  
Adjustments 10.7 (0.4)  
Goodwill, Ending Balance 414.0 377.7  
Goodwill, Impaired, Accumulated Impairment Loss 0.0 0.0 $ 0.0
Marine Engine [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 375.1 31.7  
Acquisitions 0.0 344.2  
Impairments 0.0 0.0  
Adjustments 10.4 (0.4)  
Goodwill, Ending Balance 385.5 375.5  
Boat [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 2.2 2.2  
Acquisitions 26.0 0.0  
Impairments 0.0 0.0  
Adjustments 0.3 0.0  
Goodwill, Ending Balance $ 28.5 $ 2.2