v3.20.1
REVENUE RECOGNITION - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 29, 2020
Mar. 31, 2019
Disaggregation of Revenue [Line Items]    
NET SALES $ 589,232 $ 608,218
Recreational Vehicle    
Disaggregation of Revenue [Line Items]    
NET SALES 320,220 342,436
Manufactured Housing    
Disaggregation of Revenue [Line Items]    
NET SALES 112,369 106,019
Industrial    
Disaggregation of Revenue [Line Items]    
NET SALES 78,592 68,977
Marine    
Disaggregation of Revenue [Line Items]    
NET SALES 78,051 90,786
Manufacturing    
Disaggregation of Revenue [Line Items]    
NET SALES 419,266 425,684
Manufacturing | Recreational Vehicle    
Disaggregation of Revenue [Line Items]    
NET SALES 226,785 234,878
Manufacturing | Manufactured Housing    
Disaggregation of Revenue [Line Items]    
NET SALES 45,605 42,203
Manufacturing | Industrial    
Disaggregation of Revenue [Line Items]    
NET SALES 71,447 60,928
Manufacturing | Marine    
Disaggregation of Revenue [Line Items]    
NET SALES 75,429 87,675
Distribution    
Disaggregation of Revenue [Line Items]    
NET SALES 169,966 182,534
Distribution | Recreational Vehicle    
Disaggregation of Revenue [Line Items]    
NET SALES 93,435 107,558
Distribution | Manufactured Housing    
Disaggregation of Revenue [Line Items]    
NET SALES 66,764 63,816
Distribution | Industrial    
Disaggregation of Revenue [Line Items]    
NET SALES 7,145 8,049
Distribution | Marine    
Disaggregation of Revenue [Line Items]    
NET SALES $ 2,622 $ 3,111