XML 66 R30.htm IDEA: XBRL DOCUMENT v3.19.3
Inventories (Tables)
 9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Inventory Components Inventories at September 30, 2019 and December 31, 2018 consisted of the following:
 
September 30,
2019
 
December 31,
2018
Raw materials
$
18,683

 
$
8,229

Supplies and service parts
24,283

 
21,841

Finished products
37,856

 
36,692

Inventory at FIFO cost
80,822

 
66,762

Excess of FIFO cost over LIFO cost
(4,483
)
 
(4,483
)
Total inventory, net
$
76,339

 
$
62,279