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GOODWILL
 12 Months Ended
Dec. 31, 2012
GOODWILL [Abstract]  
GOODWILL
NOTE 6:-
GOODWILL

   
December 31,
  
   
2012
    
2011
  
             
Balance at the beginning of the period:
            
Goodwill
   $ 107,537     $ 106,082  
Accumulated impairment losses
     (17,846 )     -  
      89,691       106,082  
Goodwill acquired during the year
     -       1,890  
Goodwill adjustment *)
     -       (435 )
Impairment loss
     (23,931 )     (17,846 )
                 
Balance at the end of the period:
                
Goodwill
     107,537       107,537  
Accumulated impairment losses
     (41,777 )     (17,846 )
                 
    $ 65,760     $ 89,691