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Inventories
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
Note 4.               Inventories

Inventories consisted of the following:
 
 
June 30,
2013

 
June 30,
2012

 
Dec. 31,
2012

 
(Dollars in thousands)
 
 
 
 
 
 
Raw materials
$
168,903

 
$
176,091

 
$
167,097

Work-in-process
133,126

 
120,758

 
108,385

Finished goods
508,170

 
527,103

 
330,077

Other
13,697

 
13,365

 
13,259

 
823,896

 
837,317

 
618,818

Adjustment to value inventory
   at cost on the LIFO method
(102,891
)
 
(95,937
)
 
(102,891
)
 
$
721,005

 
$
741,380

 
$
515,927