Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.19.1
Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Inventories    
Finished goods $ 69,623 $ 43,192
Work-in-process 8,021 7,357
Raw material and supplies 33,581 31,447
Inventories 111,225 81,996
Inventories - truck chassis floor plan $ 7,382 $ 4,204