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Inventories (Tables)
9 Months Ended
Sep. 30, 2012
Inventories [Abstract]  
Inventories

Inventories consist of the following:

 

                 

($ in thousands)

  September 30,
2012
    December 31,
2011
 

Finished goods

  $ 11,718     $ 14,697  

Work-in-process

    16,295       20,602  

Raw materials

    46,994       57,241  
   

 

 

   

 

 

 

Total inventories

  $ 75,007     $ 92,540