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Inventories (Tables)
 6 Months Ended
Jun. 30, 2015
Inventories [Abstract]  
Inventories

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

June 30,

 

December 31,

 

 

2015

 

2014

 

 

(Dollars in thousands)

Raw materials

 

$
44,124 

 

$
46,605 

Work in process

 

 
32,192 

 

 
32,356 

Finished goods

 

 
81,714 

 

 
79,407 

Total inventories

 

$
158,030 

 

$
158,368