| Disaggregation of Revenue [Table Text Block] | The following table presents the Company's revenue in categories that depict how the nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factors: 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  | Three Months Ended |  
|  | October 2, 2021 |  | September 26, 2020 |  
| (in millions) | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  
| Geographic Markets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| United States | $ | 433.9 |  |  | $ | 351.8 |  |  | $ | 306.9 |  |  | $ | 1,092.6 |  |  | $ | 355.2 |  |  | $ | 336.7 |  |  | $ | 264.3 |  |  | $ | 956.2 |  |  
| Europe | 78.1 |  |  | 57.9 |  |  | 33.7 |  |  | 169.7 |  |  | 56.0 |  |  | 51.2 |  |  | 25.5 |  |  | 132.7 |  |  
| Asia-Pacific | 51.8 |  |  | 35.5 |  |  | 6.6 |  |  | 93.9 |  |  | 67.9 |  |  | 31.4 |  |  | 7.4 |  |  | 106.7 |  |  
| Canada | 26.2 |  |  | 35.3 |  |  | 49.0 |  |  | 110.5 |  |  | 19.7 |  |  | 30.2 |  |  | 22.9 |  |  | 72.8 |  |  
| Rest-of-World | 36.9 |  |  | 13.5 |  |  | 5.3 |  |  | 55.7 |  |  | 27.7 |  |  | 10.4 |  |  | 8.0 |  |  | 46.1 |  |  
| Segment Eliminations | (86.8) |  |  | (8.4) |  |  | — |  |  | (95.2) |  |  | (73.4) |  |  | (8.0) |  |  | — |  |  | (81.4) |  |  
| Total | $ | 540.1 |  |  | $ | 485.6 |  |  | $ | 401.5 |  |  | $ | 1,427.2 |  |  | $ | 453.1 |  |  | $ | 451.9 |  |  | $ | 328.1 |  |  | $ | 1,233.1 |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  | Nine Months Ended |  
|  | October 2, 2021 |  | September 26, 2020 |  
| (in millions) | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  
| Geographic Markets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| United States | $ | 1,259.6 |  |  | $ | 1,055.8 |  |  | $ | 933.6 |  |  | $ | 3,249.0 |  |  | $ | 871.0 |  |  | $ | 841.4 |  |  | $ | 663.0 |  |  | $ | 2,375.4 |  |  
| Europe | 306.8 |  |  | 191.3 |  |  | 127.8 |  |  | 625.9 |  |  | 195.4 |  |  | 135.9 |  |  | 95.9 |  |  | 427.2 |  |  
| Asia-Pacific | 184.1 |  |  | 117.9 |  |  | 20.6 |  |  | 322.6 |  |  | 183.7 |  |  | 80.7 |  |  | 16.2 |  |  | 280.6 |  |  
| Canada | 75.5 |  |  | 94.9 |  |  | 164.2 |  |  | 334.6 |  |  | 47.2 |  |  | 63.4 |  |  | 78.4 |  |  | 189.0 |  |  
| Rest-of-World | 108.2 |  |  | 42.6 |  |  | 23.9 |  |  | 174.7 |  |  | 73.2 |  |  | 26.6 |  |  | 16.0 |  |  | 115.8 |  |  
| Segment Eliminations | (267.3) |  |  | (24.3) |  |  | — |  |  | (291.6) |  |  | (182.3) |  |  | (19.3) |  |  | — |  |  | (201.6) |  |  
| Total | $ | 1,666.9 |  |  | $ | 1,478.2 |  |  | $ | 1,270.1 |  |  | $ | 4,415.2 |  |  | $ | 1,188.2 |  |  | $ | 1,128.7 |  |  | $ | 869.5 |  |  | $ | 3,186.4 |  | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  | Three Months Ended |  
|  | October 2, 2021 |  | September 26, 2020 |  
| (in millions) | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  
| Major Product Lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Outboard Engines | $ | 486.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 486.3 |  |  | $ | 410.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 410.3 |  |  
| Controls, Rigging, and Propellers | 87.8 |  |  | — |  |  | — |  |  | 87.8 |  |  | 76.9 |  |  | — |  |  | — |  |  | 76.9 |  |  
| Sterndrive Engines | 52.8 |  |  | — |  |  | — |  |  | 52.8 |  |  | 39.3 |  |  | — |  |  | — |  |  | 39.3 |  |  
| Distribution Parts and Accessories | — |  |  | 215.7 |  |  | — |  |  | 215.7 |  |  | — |  |  | 205.0 |  |  | — |  |  | 205.0 |  |  
| Advanced Systems Group | — |  |  | 128.8 |  |  | — |  |  | 128.8 |  |  | — |  |  | 113.1 |  |  | — |  |  | 113.1 |  |  
| Engine Parts and Accessories | — |  |  | 149.5 |  |  | — |  |  | 149.5 |  |  | — |  |  | 141.8 |  |  | — |  |  | 141.8 |  |  
| Aluminum Freshwater Boats | — |  |  | — |  |  | 167.5 |  |  | 167.5 |  |  | — |  |  | — |  |  | 124.5 |  |  | 124.5 |  |  
| Recreational Fiberglass Boats | — |  |  | — |  |  | 135.9 |  |  | 135.9 |  |  | — |  |  | — |  |  | 111.0 |  |  | 111.0 |  |  
| Saltwater Fishing Boats | — |  |  | — |  |  | 86.4 |  |  | 86.4 |  |  | — |  |  | — |  |  | 82.6 |  |  | 82.6 |  |  
| Business Acceleration | — |  |  | — |  |  | 15.6 |  |  | 15.6 |  |  | — |  |  | — |  |  | 11.2 |  |  | 11.2 |  |  
| Boat Eliminations/Other | — |  |  | — |  |  | (3.9) |  |  | (3.9) |  |  | — |  |  | — |  |  | (1.2) |  |  | (1.2) |  |  
| Segment Eliminations | (86.8) |  |  | (8.4) |  |  | — |  |  | (95.2) |  |  | (73.4) |  |  | (8.0) |  |  | — |  |  | (81.4) |  |  
| Total | $ | 540.1 |  |  | $ | 485.6 |  |  | $ | 401.5 |  |  | $ | 1,427.2 |  |  | $ | 453.1 |  |  | $ | 451.9 |  |  | $ | 328.1 |  |  | $ | 1,233.1 |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  | Nine Months Ended |  
|  | October 2, 2021 |  | September 26, 2020 |  
| (in millions) | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  | Propulsion |  | Parts & Accessories |  | Boat |  | Total |  
| Major Product Lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Outboard Engines | $ | 1,485.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,485.0 |  |  | $ | 1,078.4 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,078.4 |  |  
| Controls, Rigging, and Propellers | 278.8 |  |  | — |  |  | — |  |  | 278.8 |  |  | 187.6 |  |  | — |  |  | — |  |  | 187.6 |  |  
| Sterndrive Engines | 170.4 |  |  | — |  |  | — |  |  | 170.4 |  |  | 104.5 |  |  | — |  |  | — |  |  | 104.5 |  |  
| Distribution Parts and Accessories | — |  |  | 671.5 |  |  | — |  |  | 671.5 |  |  | — |  |  | 517.0 |  |  | — |  |  | 517.0 |  |  
| Advanced Systems Group | — |  |  | 401.9 |  |  | — |  |  | 401.9 |  |  | — |  |  | 303.0 |  |  | — |  |  | 303.0 |  |  
| Engine Parts and Accessories | — |  |  | 429.1 |  |  | — |  |  | 429.1 |  |  | — |  |  | 328.0 |  |  | — |  |  | 328.0 |  |  
| Aluminum Freshwater Boats | — |  |  | — |  |  | 535.4 |  |  | 535.4 |  |  | — |  |  | — |  |  | 339.2 |  |  | 339.2 |  |  
| Recreational Fiberglass Boats | — |  |  | — |  |  | 425.5 |  |  | 425.5 |  |  | — |  |  | — |  |  | 302.4 |  |  | 302.4 |  |  
| Saltwater Fishing Boats | — |  |  | — |  |  | 276.2 |  |  | 276.2 |  |  | — |  |  | — |  |  | 201.4 |  |  | 201.4 |  |  
| Business Acceleration | — |  |  | — |  |  | 43.6 |  |  | 43.6 |  |  | — |  |  | — |  |  | 29.5 |  |  | 29.5 |  |  
| Boat Eliminations/Other | — |  |  | — |  |  | (10.6) |  |  | (10.6) |  |  | — |  |  | — |  |  | (3.0) |  |  | (3.0) |  |  
| Segment Eliminations | (267.3) |  |  | (24.3) |  |  | — |  |  | (291.6) |  |  | (182.3) |  |  | (19.3) |  |  | — |  |  | (201.6) |  |  
| Total | $ | 1,666.9 |  |  | $ | 1,478.2 |  |  | $ | 1,270.1 |  |  | $ | 4,415.2 |  |  | $ | 1,188.2 |  |  | $ | 1,128.7 |  |  | $ | 869.5 |  |  | $ | 3,186.4 |  |  |