Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Inventory Components

Inventories consisted of the following:

	September 30, 2020		December 31, 2019
Raw materials	$	16,174	$	13,514
Supplies and service parts	22,628		21,840
Finished products	31,957		36,969
Inventory at FIFO cost	70,759		72,323
Excess of FIFO cost over LIFO cost	(3,785)		(4,072)
Total inventory, net	$	66,974	$	68,251