Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangibles (Details 1)

v3.8.0.1
Goodwill and Other Intangibles (Details 1) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Goodwill [Roll Forward]      
Goodwill, Beginning Balance $ 413.8 $ 298.7  
Acquisitions 5.5 119.2  
Impairments 0.0 0.0 $ 0.0
Adjustments 6.0 (4.1)  
Goodwill, Ending Balance 425.3 413.8 298.7
Goodwill, Impaired, Accumulated Impairment Loss 0.0 0.0  
Marine Engine [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 25.1 26.2  
Acquisitions 5.5 0.0  
Impairments 0.0 0.0  
Adjustments 1.1 (1.1)  
Goodwill, Ending Balance 31.7 25.1 26.2
Boat [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 2.2 0.0  
Acquisitions 0.0 2.2  
Impairments 0.0 0.0  
Adjustments 0.0 0.0  
Goodwill, Ending Balance 2.2 2.2 0.0
Fitness [Member]      
Goodwill [Roll Forward]      
Goodwill, Beginning Balance 386.5 272.5  
Acquisitions 0.0 117.0  
Impairments 0.0 0.0  
Adjustments 4.9 (3.0)  
Goodwill, Ending Balance $ 391.4 $ 386.5 $ 272.5