Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Inventory Components

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

	March 31, 2015			December 31, 2014
Raw materials and work in process	$	36,982		$	37,175
Supplies and service parts	42,818			33,760
Finished products	28,692			26,992
Inventory at FIFO cost	108,492			97,927
Excess of FIFO cost over LIFO cost	(13,463		)	(13,100		)
Total inventory, net	$	95,029		$	84,827