| 
           Goodwill and Other Intangibles (Details 2) (USD $) 
        In Millions, unless otherwise specified  | 
        12 Months Ended | |
|---|---|---|
| 
           Dec. 31, 2014 
         | 
        
           Dec. 31, 2013 
         | 
      |
| Indefinite-lived Intangible Assets [Roll Forward] | ||
| Beginning balance | $ 28.2us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | $ 28.2us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | 
| Acquisitions | 3.7us-gaap_IndefinitelivedIntangibleAssetsAcquired | 0us-gaap_IndefinitelivedIntangibleAssetsAcquired | 
| Impairments | 0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 
| Adjustments | (0.4)us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments | 0us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments | 
| Ending balance | 31.5us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | 28.2us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | 
| Marine Engine [Member] | ||
| Indefinite-lived Intangible Assets [Roll Forward] | ||
| Beginning balance | 
18.1us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
18.1us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Acquisitions | 
3.7us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
0us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Impairments | 
0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Adjustments | 
(0.3)us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
0us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Ending balance | 
21.5us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
        
18.1us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_MarineEngineMember  | 
      
| Boat [Member] | ||
| Indefinite-lived Intangible Assets [Roll Forward] | ||
| Beginning balance | 
9.6us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
        
9.6us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
      
| Acquisitions | 
0us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
        
0us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
      
| Impairments | 
0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
        
0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
      
| Adjustments | 
(0.1)us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
        
0us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
      
| Ending balance | 
9.5us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
        
9.6us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_BoatMember  | 
      
| Fitness [Member] | ||
| Indefinite-lived Intangible Assets [Roll Forward] | ||
| Beginning balance | 
0.5us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
0.5us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Acquisitions | 
0us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
0us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Impairments | 
0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Adjustments | 
0us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
0us-gaap_IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| Ending balance | 
$ 0.5us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
        
$ 0.5us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = bc_FitnessMember  | 
      
| X | ||||||||||
| 
             
- Definition 
          Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from a business combination. No definition available. 
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- Definition 
          Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, from foreign currency translation and purchase accounting adjustments. No definition available. 
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