Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventory Components

Inventories at June 30, 2015 and December 31, 2014 consisted of the following:

	June 30, 2015			December 31, 2014
Raw materials and work in process	$	36,804		$	37,175
Supplies and service parts	45,179			33,760
Finished products	32,445			26,992
Inventory at FIFO cost	114,428			97,927
Excess of FIFO cost over LIFO cost	(13,356		)	(13,100		)
Total inventory, net	$	101,072		$	84,827