| 
           Acquisitions (Details) (USD $) 
        In Millions, unless otherwise specified  | 
        12 Months Ended | 0 Months Ended | ||
|---|---|---|---|---|
| 
           Dec. 31, 2014 
         | 
        
           Dec. 31, 2013 
         | 
        
           Jul. 31, 2014 
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           Jun. 16, 2014 
         | 
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| Business Acquisition [Line Items] | ||||
| Goodwill, Acquired During Period | $ 8.8us-gaap_GoodwillAcquiredDuringPeriod | $ 0us-gaap_GoodwillAcquiredDuringPeriod | ||
| Indefinite-lived Intangible Assets Acquired | 3.7us-gaap_IndefinitelivedIntangibleAssetsAcquired | 0us-gaap_IndefinitelivedIntangibleAssetsAcquired | ||
| Bell [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Business Acquisition, Percentage of Voting Interests Acquired | 
100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_BusinessAcquisitionAxis = bc_BellMember  | 
        |||
| Net cash consideration paid to acquire business | 
11.9us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = bc_BellMember  | 
        |||
| Goodwill, Acquired During Period | 
0.9us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = bc_BellMember  | 
        |||
| Bell [Member] | Customer relationships [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Finite-lived Intangible Assets Acquired | 
2.0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = bc_BellMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember  | 
        |||
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 8 years | |||
| Whale [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Business Acquisition, Percentage of Voting Interests Acquired | 
100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember  | 
      |||
| Net cash consideration paid to acquire business | 
29.6us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember  | 
      |||
| Goodwill, Acquired During Period | 
7.9us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember  | 
      |||
| Payments to retire acquiree debt | 
10.0us-gaap_BusinessCombinationConsiderationTransferredOther1 / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember  | 
      |||
| Fair value of identifiable intangible assets acquired | 
11.9us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember  | 
      |||
| Whale [Member] | Trade names [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Indefinite-lived Intangible Assets Acquired | 
3.7us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember  | 
      |||
| Whale [Member] | Customer relationships [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Finite-lived Intangible Assets Acquired | 
6.1us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember  | 
      |||
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 14 years | |||
| Whale [Member] | Patents and proprietary technology [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Finite-lived Intangible Assets Acquired | 
$ 2.1us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = bc_WhaleMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember  | 
      |||
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 5 years | |||
| X | ||||||||||
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- Definition 
          Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
          
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- Definition 
          Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of intangible assets, excluding goodwill, acquired at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination. No definition available. 
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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 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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- Details 
          
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- Details 
          
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