Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangibles (Details 1)

v3.20.4
Goodwill and Other Intangibles (Details 1) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Goodwill [Roll Forward]    
Goodwill, Beginning Balance $ 415,000,000.0 $ 377,300,000
Acquisitions 0 26,000,000.0
Adjustments 2,700,000 11,700,000
Goodwill, Ending Balance 417,700,000 415,000,000.0
Goodwill, Impaired, Accumulated Impairment Loss 0 0
Boat [Member]    
Goodwill [Roll Forward]    
Goodwill, Beginning Balance 28,600,000 2,200,000
Acquisitions 0 26,000,000.0
Adjustments 1,300,000 400,000
Goodwill, Ending Balance 29,900,000 28,600,000
Parts and Accessories [Member]    
Goodwill [Roll Forward]    
Goodwill, Beginning Balance 371,900,000 360,500,000
Acquisitions 0 0
Adjustments 600,000 11,400,000
Goodwill, Ending Balance 372,500,000 371,900,000
Propulsion [Member]    
Goodwill [Roll Forward]    
Goodwill, Beginning Balance 14,500,000 14,600,000
Acquisitions 0 0
Adjustments 800,000 (100,000)
Goodwill, Ending Balance $ 15,300,000 $ 14,500,000
Customer Relationships [Member]    
Goodwill [Roll Forward]    
Finite-Lived Intangible Asset, Weighted Average Remaining Useful Life 13 years 2 months 12 days  
Other    
Goodwill [Roll Forward]    
Finite-Lived Intangible Asset, Weighted Average Remaining Useful Life 10 years 8 months 12 days