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SEGMENT INFORMATION (Tables)
3 Months Ended
May 31, 2013
SEGMENT INFORMATION [Abstract]  
Summary of Segment Information
      Three Months Ended May 31, 2013   Three Months Ended May 31, 2012
      Operating Segments                   Operating Segments                
      Wireless           Corporate           Wireless           Corporate        
           DataCom    Satellite    Expenses    Total    DataCom    Satellite    Expenses    Total
  Revenues   $   40,865     $   12,881             $   53,746     $   31,671     $   12,190             $   43,861  
  Gross profit   $ 15,960     $ 2,521             $ 18,481     $ 11,745     $ 1,931             $ 13,676  
  Gross margin     39.1 %     19.6 %             34.4 %     37.1 %     15.8 %             31.2 %
  Operating income   $ 2,366     $ 1,548     $      (1,037 )   $ 2,877     $ 4,391     $ 1,080     $      (1,190 )   $ 4,281