Inventories (Tables)

9 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Schedule Of Inventories

nventories are comprised of the following: 

	As of December 31, 2015		As of September 30, 2016
	(Dollars in thousands)
Inventories:
Raw materials and supplies	$	66,201	$	51,166
Work in process	89,198		56,113
Finished goods	62,731		59,404
Total	$	218,130	$	166,683