| Revenue Recognition Contracts with Customer (Details) - USD ($)$ in Millions
 | 12 Months Ended |  | 
| Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jan. 01, 2021 | 
| Revenue from Contract with Customer [Abstract] |  |  |  |  | 
| Contract with Customer, Liability | $ 142.1 |  |  | $ 113.0 | 
| Contract with Customer, Liability, Revenue Recognized | 33.3 |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 5,846.2 | $ 4,347.5 | $ 4,108.4 |  | 
| Boat Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | (12.9) | (4.5) | (1.8) |  | 
| Outboard Engines [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 1,935.1 | 1,471.8 | 1,306.7 |  | 
| Controls, Rigging, and Propellers [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 352.4 | 258.4 | 213.6 |  | 
| Sterndrive Engine [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 217.2 | 148.2 | 172.6 |  | 
| Distribution [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 820.1 | 664.2 | 571.8 |  | 
| Advanced Systems Group [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 513.7 | 412.1 | 413.0 |  | 
| Engine Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 551.5 | 432.5 | 395.3 |  | 
| Aluminum Freshwater Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 712.4 | 488.5 | 556.6 |  | 
| Recreational Fiberglass Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 571.6 | 427.1 | 438.8 |  | 
| Saltwater Fishing Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 371.9 | 298.7 | 316.6 |  | 
| Business Acceleration [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 60.1 | 40.5 | 24.1 |  | 
| Marine Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | (369.7) | (290.0) | (298.9) |  | 
| Boat [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 1,703.1 | 1,250.3 | 1,334.3 |  | 
| Boat [Member] | Boat Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | (12.9) | (4.5) | (1.8) |  | 
| Boat [Member] | Outboard Engines [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Boat [Member] | Controls, Rigging, and Propellers [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Boat [Member] | Sterndrive Engine [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Boat [Member] | Distribution [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Boat [Member] | Advanced Systems Group [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Boat [Member] | Engine Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Boat [Member] | Aluminum Freshwater Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 712.4 | 488.5 | 556.6 |  | 
| Boat [Member] | Recreational Fiberglass Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 571.6 | 427.1 | 438.8 |  | 
| Boat [Member] | Saltwater Fishing Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 371.9 | 298.7 | 316.6 |  | 
| Boat [Member] | Business Acceleration [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 60.1 | 40.5 | 24.1 |  | 
| Boat [Member] | Marine Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 2,167.2 | 1,615.3 | 1,423.2 |  | 
| Propulsion [Member] | Boat Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Outboard Engines [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 1,935.1 | 1,471.8 | 1,306.7 |  | 
| Propulsion [Member] | Controls, Rigging, and Propellers [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 352.4 | 258.4 | 213.6 |  | 
| Propulsion [Member] | Sterndrive Engine [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 217.2 | 148.2 | 172.6 |  | 
| Propulsion [Member] | Distribution [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Advanced Systems Group [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Engine Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Aluminum Freshwater Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Recreational Fiberglass Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Saltwater Fishing Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Business Acceleration [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Propulsion [Member] | Marine Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | (337.5) | (263.1) | (269.7) |  | 
| Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 1,975.9 | 1,481.9 | 1,350.9 |  | 
| Parts and Accessories [Member] | Boat Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Outboard Engines [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Controls, Rigging, and Propellers [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Sterndrive Engine [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Distribution [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 820.1 | 664.2 | 571.8 |  | 
| Parts and Accessories [Member] | Advanced Systems Group [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 513.7 | 412.1 | 413.0 |  | 
| Parts and Accessories [Member] | Engine Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 551.5 | 432.5 | 395.3 |  | 
| Parts and Accessories [Member] | Aluminum Freshwater Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Recreational Fiberglass Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Saltwater Fishing Boats [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Business Acceleration [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 0.0 | 0.0 | 0.0 |  | 
| Parts and Accessories [Member] | Marine Eliminations [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | (32.2) | (26.9) | (29.2) |  | 
| United States [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 4,284.7 | 3,256.3 | 3,139.6 |  | 
| United States [Member] | Boat [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 1,259.1 | 957.5 | 1,009.0 |  | 
| United States [Member] | Propulsion [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 1,641.9 | 1,207.8 | 1,152.1 |  | 
| United States [Member] | Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 1,383.7 | 1,091.0 | 978.5 |  | 
| Europe [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 815.1 | 564.2 | 526.5 |  | 
| Europe [Member] | Boat [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 162.5 | 128.5 | 115.6 |  | 
| Europe [Member] | Propulsion [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 376.8 | 255.2 | 235.1 |  | 
| Europe [Member] | Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 275.8 | 180.5 | 175.8 |  | 
| Asia-Pacific [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 442.1 | 386.0 | 277.8 |  | 
| Asia-Pacific [Member] | Boat [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 32.8 | 27.7 | 31.2 |  | 
| Asia-Pacific [Member] | Propulsion [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 236.9 | 240.4 | 143.2 |  | 
| Asia-Pacific [Member] | Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 172.4 | 117.9 | 103.4 |  | 
| Canada [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 436.2 | 261.8 | 297.6 |  | 
| Canada [Member] | Boat [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 217.1 | 114.2 | 154.8 |  | 
| Canada [Member] | Propulsion [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 102.0 | 66.7 | 62.7 |  | 
| Canada [Member] | Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 117.1 | 80.9 | 80.1 |  | 
| Rest of World [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 237.8 | 169.2 | 165.8 |  | 
| Rest of World [Member] | Boat [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 31.6 | 22.4 | 23.7 |  | 
| Rest of World [Member] | Propulsion [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | 147.1 | 108.3 | 99.8 |  | 
| Rest of World [Member] | Parts and Accessories [Member] |  |  |  |  | 
| Disaggregation of Revenue [Line Items] |  |  |  |  | 
| Revenue from Contract with Customer, Excluding Assessed Tax | $ 59.1 | $ 38.5 | $ 42.3 |  |