XML 135 R64.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 87,675 $ 71,068
Work-in-process 22,024 21,763
Finished goods 288,669 268,376
Inventories $ 398,368 $ 361,207