Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

 v2.3.0.11
Document And Entity Information (USD $)
3 Months Ended
Jul. 02, 2011
Aug. 04, 2011
Dec. 31, 2010
Entity Registrant Name BRUNSWICK CORP    
Entity Central Index Key 0000014930    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,090,181,292
Entity Common Stock, Shares Outstanding   89,076,560  
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus Q2    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Jul. 02, 2011