Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.2
Subsequent Events (Details) - USD ($)
$ in Millions
6 Months Ended 7 Months Ended
Jul. 18, 2019
Jun. 29, 2019
Jul. 16, 2019
Jul. 03, 2019
May 08, 2019
Subsequent Event [Line Items]          
Stock Repurchase Program, Authorized Amount         $ 450.0
Subsequent Event [Member]          
Subsequent Event [Line Items]          
Stock Repurchase Program, Authorized Amount     $ 150.0    
Stock Repurchase Program, Total Authorized Amount     600.0    
Stock Repurchase Program, Remaining Authorized Repurchase Amount     $ 565.0    
Subsequent Event [Member] | Brunswick Pension Plan For Hourly Bargaining Unit Employees and Brunswick Pension Plan For Salaried Employees [Member]          
Subsequent Event [Line Items]          
Settlement Payments $ 595.8        
Lump Sum Payments 77.1        
Senior Notes Due 2021 [Member]          
Subsequent Event [Line Items]          
Debt Date of Retirement   Aug. 02, 2019      
Senior Notes Due 2021 [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Senior Notes       $ 150.0  
Interest Rate       4.625%  
Minimum [Member]          
Subsequent Event [Line Items]          
Estimated Charges in Connection with Settlement of Pension Plan, After-Tax 280.0        
Minimum [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Estimated Charges in Connection with Settlement of Pension Plan, Pre-Tax 280.0        
Maximum [Member]          
Subsequent Event [Line Items]          
Estimated Charges in Connection with Settlement of Pension Plan, After-Tax 300.0        
Maximum [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Estimated Charges in Connection with Settlement of Pension Plan, Pre-Tax $ 300.0