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Inventories (Tables)
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Schedule Of Inventories
nventories are comprised of the following: 
 
As of December 31, 2014
 
As of March 31, 2015
 
(Dollars in thousands)
Inventories:
 
 
 
Raw materials and supplies
$
122,218

 
$
112,416

Work in process
176,141

 
172,737

Finished goods
84,544

 
78,999

         Total
$
382,903

 
$
364,152