Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventory Disclosure [Abstract]

Inventory Components

Inventories at September 30, 2012 and December 31, 2011 consisted of the following:

	September 30, 2012			December 31, 2011
Raw materials and work in process	$	64,333		$	63,216
Supplies and service parts	75,053			68,600
Finished products	74,653			71,958
Inventory at FIFO cost	214,039			203,774
Excess of FIFO cost over LIFO cost	(26,957		)	(25,175		)
Total inventory, net	$	187,082		$	178,599