Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.19.1
Document And Entity Information - shares
3 Months Ended
Mar. 30, 2019
Apr. 29, 2019
Entity Information Line Items [Abstract]    
Entity Registrant Name BRUNSWICK CORP  
Entity Central Index Key 0000014930  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   87,076,644
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 30, 2019