Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Inventory Components

Inventories at March 31, 2013 and December 31, 2012 consisted of the following:

	March 31, 2013			December 31, 2012
Raw materials and work in process	$	60,389		$	66,221
Supplies and service parts	70,842			72,551
Finished products	63,925			68,335
Inventory at FIFO cost	195,156			207,107
Excess of FIFO cost over LIFO cost	(27,687		)	(27,429		)
Total inventory, net	$	167,469		$	179,678