Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory, Net [Abstract]

Inventories [Table Text Block]

Inventories consist of the following (in thousands):

	June 30, 2014		December 31, 2013
Finished goods	$	89,439	$	77,909
Raw materials	62,635		63,123
Work in process	12,939		14,605
	$	165,013	$	155,637