Segment Data (Details) - USD ($) $ in Millions |
3 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Mar. 31, 2018 |
Apr. 01, 2017 |
Dec. 31, 2017 |
||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | $ 1,155.4 | $ 1,082.1 | ||||||
| Operating Earnings (Loss) | 115.4 | 103.4 | ||||||
| Total Assets | 3,404.6 | 3,273.9 | $ 3,358.2 | |||||
| Marine Engine [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | 687.1 | 631.8 | ||||||
| Operating Earnings (Loss) | 95.7 | 87.7 | ||||||
| Total Assets | 1,384.6 | 1,251.3 | 1,205.0 | |||||
| Boat [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | 304.0 | 284.9 | ||||||
| Operating Earnings (Loss) | 24.7 | 16.2 | ||||||
| Total Assets | [1] | 449.7 | 444.8 | 411.6 | ||||
| Total Marine [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | 911.0 | 846.5 | ||||||
| Operating Earnings (Loss) | 120.4 | 103.9 | ||||||
| Total Assets | 1,834.3 | 1,696.1 | 1,616.6 | |||||
| Fitness [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | 244.4 | 235.6 | ||||||
| Operating Earnings (Loss) | 11.0 | 18.3 | ||||||
| Total Assets | 1,004.9 | 939.7 | 1,012.8 | |||||
| Corporate/Other [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | 0.0 | 0.0 | ||||||
| Operating Earnings (Loss) | (16.0) | (18.8) | ||||||
| Total Assets | 565.4 | [2] | 638.1 | 728.8 | ||||
| Total - Segment, Continuing Operations [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | 1,155.4 | 1,082.1 | ||||||
| Operating Earnings (Loss) | 115.4 | 103.4 | ||||||
| Marine Eliminations [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Net Sales | (80.1) | (70.2) | ||||||
| Operating Earnings (Loss) | 0.0 | 0.0 | ||||||
| Sea Ray [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Assets Held for Sale Relating to Discontinued Operations | 117.8 | $ 153.7 | $ 102.7 | |||||
| Hatteras Yachts [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Insurance Settlements Receivable | $ 23.0 | |||||||
| ||||||||