XML 51 R40.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventories [Abstract]    
Finished goods $ 216,541 $ 241,472
Work in process 12,659 11,138
Raw materials 124,115 115,611
Subtotal 353,315 368,221
Unreturned customer inventories 18,868 19,722
Total inventories $ 372,183 $ 387,943