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Sale of Interest in Fabrix Systems Ltd. (Tables)
3 Months Ended
Oct. 31, 2015
Sale of Interest in Fabrix Systems Ltd. [Abstract]  
Schedule of consolidated statements of income

  

Three Months Ended
October 31,

 
  

2015

  

2014

 
  (in thousands) 
Income before income taxes $  $917 
         
Income before income taxes attributable to IDT Corporation $  $1,325