Inventory (Tables)

12 Months Ended

Dec. 31, 2014

Inventories [Abstract]

Schedule of Inventory Of Continuing Operations [Table Text Block]

		2014		2013
Finished goods	$	65,335	$	55,166
Work-in-process		16,188		11,332
Raw materials		21,855		19,485
Total inventories at current costs		103,378		85,983
Less: LIFO reserve		(8,289)		(9,027)
	$	95,089	$	76,956