XML 28 R17.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are valued at the lower of first-in, first-out cost or market and are measured at the lower of cost or net realizable value. Cost includes applicable material, labor and overhead. Inventories consisted of the following: 
September 30, 2020December 31, 2019
Raw materials$59,154 $57,742 
Work in process12,418 12,612 
Finished goods11,731 12,518 
$83,303 $82,872 
Inventories on-hand are regularly reviewed and, when necessary, provisions for excess and obsolete inventory are recorded based primarily on our estimated production requirements, which reflect expected market volumes. Excess and obsolete provisions may vary by product depending upon future potential use of the product.