| 
           Goodwill and Other Intangibles (Details 1) (USD $) 
        In Millions, unless otherwise specified  | 
        12 Months Ended | |
|---|---|---|
| 
           Dec. 31, 2014 
         | 
        
           Dec. 31, 2013 
         | 
      |
| Goodwill [Roll Forward] | ||
| Goodwill, beginning balance | $ 291.7us-gaap_Goodwill | $ 291.7us-gaap_Goodwill | 
| Acquisitions | 8.8us-gaap_GoodwillAcquiredDuringPeriod | 0us-gaap_GoodwillAcquiredDuringPeriod | 
| Impairments | 0us-gaap_GoodwillImpairmentLoss | 0us-gaap_GoodwillImpairmentLoss | 
| Adjustments | (3.6)us-gaap_GoodwillOtherChanges | 0us-gaap_GoodwillOtherChanges | 
| Goodwill, ending balance | 296.9us-gaap_Goodwill | 291.7us-gaap_Goodwill | 
| Marine Engine [Member] | ||
| Goodwill [Roll Forward] | ||
| Goodwill, beginning balance | 
20.8us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
21.1us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Acquisitions | 
8.8us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Impairments | 
0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Adjustments | 
(1.6)us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
(0.3)us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Goodwill, ending balance | 
28.0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
20.8us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Fitness [Member] | ||
| Goodwill [Roll Forward] | ||
| Goodwill, beginning balance | 
270.9us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
270.6us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Acquisitions | 
0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Impairments | 
0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Adjustments | 
(2.0)us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
0.3us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Goodwill, ending balance | 
$ 268.9us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
$ 270.9us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
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- Definition 
          Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of other (increase) decrease of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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