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v3.19.2

Segment Reporting (Narrative) (Details) - segment | 6 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018
Segment Reporting Information |  |
Number of reportable segments | 2 |
Net sales | OEM Segment |  |
Segment Reporting Information |  |
Concentration risk, percentage | 89.00% | 91.00%
Net sales | Aftermarket Segment |  |
Segment Reporting Information |  |
Concentration risk, percentage | 11.00% | 9.00%
Product Concentration Risk | Net sales | Travel trailers and fifth-wheels |  |
Segment Reporting Information |  |
Concentration risk, percentage | 61.00% |

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