XML 71 R55.htm IDEA: XBRL DOCUMENT v3.20.4
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 95,777 $ 95,575
In-process products 21,803 23,672
Finished products 166,162 132,660
Total inventories $ 283,742 $ 251,907