Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Inventory Components

	December 31,
	2013			2012
Raw materials and work in process	$	33,920		$	66,221
Supplies and service parts	48,165			72,551
Finished products	38,515			68,335
Inventory at FIFO cost	120,600			207,107
Excess of FIFO cost over LIFO cost	(17,020		)	(27,429		)
Total inventory, net	$	103,580		$	179,678