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Inventories
3 Months Ended
Mar. 31, 2013
Inventory, Net [Abstract]  
Inventories
Inventories
Inventories consist of the following (In thousands):

 
March 31, 2013
 
December 31, 2012
Raw materials
$
62,774

 
$
63,104

Work in process
91,275

 
86,564

Finished goods
47,569

 
48,337

 
$
201,618

 
$
198,005