Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

The components of inventory are as follows:

	September 30, 2013		December 31, 2012
Raw materials and supplies	$	86,324	$	85,726
Work in process	42,031		40,945
Finished goods	82,629		69,830
Total inventories, net	$	210,984	$	196,501