Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Inventory Components

Inventories consisted of the following:

	June 30, 2013			December 31, 2012
Raw materials and work in process	$	53,187		$	66,221
Supplies and service parts	65,478			72,551
Finished products	50,583			68,335
Inventory at FIFO cost	169,248			207,107
Excess of FIFO cost over LIFO cost	(28,187		)	(27,429		)
Total inventory, net	$	141,061		$	179,678