Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangibles (Details 2)

v3.8.0.1
Goodwill and Other Intangibles (Details 2) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]      
Gross Amount $ 220.4 $ 227.2  
Accumulated Amortization (76.0) (67.1)  
Amortization Expense for Intangibles 8.4 6.8 $ 3.0
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]      
2018 8.6    
2019 8.0    
2020 7.6    
2021 6.7    
2022 5.8    
Trade Names [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 71.2 83.4  
Accumulated Amortization 0.0 0.0  
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 126.7 121.4  
Accumulated Amortization (59.4) (52.4)  
Other      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 22.5 22.4  
Accumulated Amortization (16.6) (14.7)  
Marine Engine [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 78.3 72.8  
Accumulated Amortization (38.5) (36.7)  
Boat [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 39.9 39.9  
Accumulated Amortization (24.1) (23.0)  
Fitness [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 102.2 114.5  
Accumulated Amortization $ (13.4) $ (7.4)