Commitments and Contingencies (Tables)

12 Months Ended

Jul. 31, 2014

Legal Proceedings and Commitments And Contingencies Disclosure [Abstract]

Summary of Future Minimum Payments for Operating Leases

(in thousands)
Year ending July 31:
2015	$	2,801
2016		1,383
2017		1,146
2018		934
2019		812
Thereafter		235
Total payments	$	7,311

Summary of Restricted Cash and Cash Equivalents

July 31  (in thousands)	2014		2013
Restricted cash and cash equivalents—short-term
Letters of credit related	$	665	$	3,189
IDT Financial Services customer deposits		64,415		31,076
Other		626		723
Total short-term		65,706		34,988
Restricted cash and cash equivalents—long-term
Letters of credit related		2,763		2,767
Total restricted cash and cash equivalents	$	68,469	$	37,755