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Inventories
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consist of the following components:
 
 
March 31,
2014
 
December 31,
2013
 
 
(dollars in thousands)
Finished goods
 
$
169,200

 
$
173,140

Work in process
 
31,460

 
31,880

Raw materials
 
69,240

 
65,670

Total inventories
 
$
269,900

 
$
270,690