Inventories (Tables)

12 Months Ended

Dec. 31, 2011

Inventory, Net [Abstract]

Inventories [Table Text Block]

Inventories as of December 31, 2011 and 2010 consist of the following (in thousands):

	2011		2010
Finished goods	$	116,378	$	101,243
Raw materials	63,244		59,921
Work in process	13,139		13,211
	$	192,761	$	174,375