Inventories (Tables)

3 Months Ended

Sep. 30, 2011

Inventory Net (Tables) [Abstract]

Inventory Components

	September 30,		December 31,
	2011		2010
Raw materials and work in process	$	58,581	$	46,664
Supplies and service parts		55,414		63,991
Finished products		64,558		58,312
Total	$	178,553	$	168,967