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Accrued Expenses (Tables)
 12 Months Ended
Jul. 31, 2015
Accrued Expenses [Abstract]  
Summary of Accrued Expenses

       
July 31 
(in thousands)		 2015  2014 
Carrier minutes termination $47,317  $53,280 
Carrier network connectivity, toll-free and 800 services  7,071   7,896 
Regulatory fees and taxes  50,797   43,293 
Legal settlements  2,059   1,615 
Compensation costs  14,138   15,612 
Legal and professional fees  4,938   4,708 
Other  12,952   16,124 
TOTAL $139,272  $142,528