Annual report pursuant to Section 13 and 15(d)

Postretirement Benefits (Details)

v3.22.0.1
Postretirement Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan Expense $ 47.1 $ 49.4 $ 44.1
Settlement Loss 0.0 (1.1) 292.8
Pension Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Settlement Loss 0.0 (1.1) 292.8
Other Postretirement Benefit Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Settlement Loss $ 0.0 $ 0.0 0.0
Brunswick Pension Plan For Salaried Employees and Brunswick Pension Plan For Hourly Bargaining Unit Employees [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Settlement Payments     673.9
Settlement Loss     292.8
Defined Benefit Plan Lump Sum Payment     77.1
Defined Benefit Plan, Purchase of Group Annuity Contract     $ 596.8