Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Inventory Components

Inventories consisted of the following:

	June 30, 2014			December 31, 2013
Raw materials and work in process	$	35,723		$	33,920
Supplies and service parts	45,045			48,165
Finished products	35,218			38,515
Inventory at FIFO cost	115,986			120,600
Excess of FIFO cost over LIFO cost	(14,734		)	(17,020		)
Total inventory, net	$	101,252		$	103,580