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Property, Plant And Equipment (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant And Equipment [Abstract]  
Schedule Of Property, Plant And Equipment
     December 31,     Useful Lives
(in years)
 
     2011     2010    

Land

   $ 4,024      $ 4,924     

Buildings and improvements

     9,422        8,270        21-30   

Machinery and equipment

     93,894        86,830        2-10   

Computer equipment and software

     72,324        59,609        3-5   
  

 

 

   

 

 

   

Total property, plant and equipment, at cost

     179,664        159,633     

Less: accumulated depreciation

     (132,578     (123,313  
  

 

 

   

 

 

   

Total property, plant and equipment, net

   $           47,086      $           36,320