Equity (Tables)

3 Months Ended

Oct. 31, 2013

Equity [Abstract]

Summary of Changes in the components of equity

	Three Months Ended October 31, 2013
	Attributable to IDT Corporation			Noncontrolling Interests			Total
	(in thousands)
Balance, July 31, 2013	$	88,603		$	533		$	89,136
Restricted Class B common stock purchased from employee		(104	)		—			(104	)
Exercise of stock options		523			—			523
Purchases of stock of subsidiary		(1,154	)		21			(1,133	)
Adjustment to liabilities in connection with the Straight Path Spin-Off		(1,624	)		—			(1,624	)
Distributions to noncontrolling interests		—			(501	)		(501	)
Stock-based compensation		2,485			10			2,495
Comprehensive income:
Net income		3,523			527			4,050
Foreign currency translation adjustments		664			—			664
Comprehensive income		4,187			527			4,714
Balance, October 31, 2013	$	92,916		$	590		$	93,506