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Inventories (Tables)
12 Months Ended
Dec. 31, 2012
Inventories [Abstract]  
Schedule Of Inventory
   
December 31,
 
   
2011
   
2012
 
             
Raw materials
  $ 14,418       21,360  
Work in progress
    1,723       4,441  
Finished products
    77,324       39,753  
                 
    $ 93,465       65,554