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INTANGIBLE ASSETS (Tables)
3 Months Ended
Mar. 31, 2013
INTANGIBLE ASSETS [Abstract]  
Changes in Carrying Amount of Goodwill
The changes in the carrying amount of goodwill for the three months ended March 31, 2013 are as follows:

   
Tele-
communications
Services
  
Other
  
Total
 
           
Gross goodwill as of December 31, 2012
 $255,777  $353,318  $609,095 
Accumulated impairment losses as of December 31, 2012
  -   (334,058)  (334,058)
    255,777   19,260   275,037 
Impairment loss relating to the Company's Clearview business
  -   (10,347)  (10,347)
Gross goodwill as of March 31, 2013
  255,777   353,318   609,095 
Accumulated impairment losses as of March 31, 2013
  -   (344,405)  (344,405)
   $255,777  $8,913  $264,690