Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Inventory Disclosure [Abstract]

Inventory Components

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

	June 30, 2012			December 31, 2011
Raw materials and work in process	$	68,456		$	63,216
Supplies and service parts	72,552			68,600
Finished products	72,535			71,958
Inventory at FIFO cost	213,543			203,774
Excess of FIFO cost over LIFO cost	(25,981		)	(25,175		)
Total inventory, net	$	187,562		$	178,599