Inventories (Tables)

9 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

The following table summarizes the components of inventory:

	September 30, 2016		December 31, 2015
Raw materials and supplies	$	72,496	$	76,680
Work in process	33,344		33,721
Finished goods	76,387		88,901
Total inventories, net	$	182,227	$	199,302