Segment Data (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 29, 2018 |
Sep. 30, 2017 |
Sep. 29, 2018 |
Sep. 30, 2017 |
Dec. 31, 2017 |
|
| Segment Reporting Information [Line Items] | |||||
| Net Sales | $ 1,298.0 | $ 1,141.5 | $ 3,910.3 | $ 3,653.8 | |
| Operating Earnings (Loss) | 91.3 | 114.2 | 303.1 | 376.7 | |
| Total Assets | 4,210.9 | 3,399.2 | 4,210.9 | 3,399.2 | $ 3,358.2 |
| Assets Held-For-Sale, Not Part of Disposal Group | 9.1 | 6.3 | 9.1 | 6.3 | 12.7 |
| Marine Eliminations [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net Sales | (81.3) | (79.8) | (258.4) | (246.4) | |
| Operating Earnings (Loss) | 0.0 | 0.0 | 0.0 | 0.0 | |
| Marine Engine [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net Sales | 802.7 | 669.2 | 2,324.1 | 2,067.2 | |
| Operating Earnings (Loss) | 128.1 | 115.2 | 372.9 | 352.1 | |
| Total Assets | 2,304.2 | 1,195.3 | 2,304.2 | 1,195.3 | 1,205.0 |
| Boat [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net Sales | 322.6 | 309.3 | 1,094.0 | 1,104.1 | |
| Operating Earnings (Loss) | (5.0) | 0.1 | (22.8) | 28.0 | |
| Total Assets | 420.6 | 467.7 | 420.6 | 467.7 | 411.6 |
| Total Marine [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net Sales | 1,044.0 | 898.7 | 3,159.7 | 2,924.9 | |
| Operating Earnings (Loss) | 123.1 | 115.3 | 350.1 | 380.1 | |
| Total Assets | 2,724.8 | 1,663.0 | 2,724.8 | 1,663.0 | 1,616.6 |
| Fitness [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net Sales | 254.0 | 242.8 | 750.6 | 728.9 | |
| Operating Earnings (Loss) | (0.2) | 19.4 | 25.1 | 56.2 | |
| Total Assets | 976.3 | 1,005.0 | 976.3 | 1,005.0 | 1,012.8 |
| Corporate/Other [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net Sales | 0.0 | 0.0 | 0.0 | 0.0 | |
| Operating Earnings (Loss) | (31.6) | (20.5) | (72.1) | (59.6) | |
| Total Assets | $ 509.8 | $ 731.2 | $ 509.8 | $ 731.2 | $ 728.8 |