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v3.21.1

Segment Reporting (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 1,000,258 | $ 659,670
OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 816,250 | 532,357
Travel trailers and fifth-wheels |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 503,016 | 307,108
Motorhomes |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 62,593 | 38,087
Adjacent industries OEMs |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 250,641 | 187,162
Aftermarket Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 184,008 | 127,313
Chassis, chassis parts and slide-out mechanisms | OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 287,061 | 202,263
Windows and doors | OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 249,920 | 156,031
Furniture and mattresses | OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 155,244 | 87,180
Axles and suspension solutions | OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 55,122 | 35,136
Other | OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 68,903 | 51,747
U.S. |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 909,051 | 598,815
U.S. | OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 737,641 | 477,197
U.S. | Travel trailers and fifth-wheels |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 486,542 | 303,682
U.S. | Motorhomes |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 39,417 | 26,914
U.S. | Adjacent industries OEMs |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 211,682 | 146,601
U.S. | Aftermarket Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 171,410 | 121,618
International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 91,207 | 60,855
International | OEM Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 78,609 | 55,160
International | Travel trailers and fifth-wheels |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 16,474 | 3,426
International | Motorhomes |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 23,176 | 11,173
International | Adjacent industries OEMs |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 38,959 | 40,561
International | Aftermarket Segment |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 12,598 | $ 5,695

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