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Inventories (Tables)
3 Months Ended
Mar. 31, 2013
Inventories [Abstract]  
Schedule of Inventories

(In thousands)

 

    March 31,
2013
    December 31,
2012
 
             
Raw materials and component parts   $ 35,786     $ 47,732  
Finished goods     75,039       94,882  
                 
    $ 110,825     $ 142,614