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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consist of the following components:
 
 
December 31,
2014
 
December 31,
2013
 
 
(dollars in thousands)
Finished goods
 
$
194,690

 
$
173,140

Work in process
 
30,790

 
31,880

Raw materials
 
69,150

 
65,670

Total inventories
 
$
294,630

 
$
270,690