Inventories (Tables)

3 Months Ended

Jun. 30, 2011

Inventory Net (Tables) [Abstract]

Inventory Components

	June 30,		December 31,
	2011		2010
Raw materials and work in process	$	54,395	$	46,664
Supplies and service parts		61,238		63,991
Finished products		61,871		58,312
Total	$	177,504	$	168,967