Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Inventory Components

Inventories at June 30, 2016 and December 31, 2015 consisted of the following:

	June 30, 2016			December 31, 2015
Raw materials	$	30,329		$	25,803
Work in process	9,270			6,408
Supplies and service parts	47,916			44,323
Finished products	35,773			24,618
Inventory at FIFO cost	123,288			101,152
Excess of FIFO cost over LIFO cost	(12,328		)	(12,328		)
Total inventory, net	$	110,960		$	88,824