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Inventories (in thousands)
6 Months Ended
Jun. 30, 2012
Inventory, Net [Abstract]  
Inventories (in thousands)
Inventories (in thousands):

 
June 30,
2012
 
December 31,
2011
Work in progress
$
26,384

  
$
24,260

Finished goods
10,732

  
13,018

Total inventories
$
37,116

  
$
37,278