Accumulated Other Comprehensive (Loss) Income (Tables)

9 Months Ended

Apr. 30, 2016

Accumulated Other Comprehensive (Loss) Income [Abstract]

Schedule of accumulated balances for each classification of other comprehensive income (loss)

	Unrealized (Loss) Gain on Available-for-Sale Securities			Foreign Currency Translation			Accumulated Other Comprehensive Income (Loss)			Location of (Gain) Loss Recognized
	(in thousands)
Balance, July 31, 2015	$	(575	)	$	1,346		$	771
Other comprehensive income (loss) attributable to IDT Corporation before reclassifications		992			(2,002	)		(1,010	)
Less: reclassification for gain included in net income		(543	)		—			(543	)	Other income (expense), net
Net other comprehensive income (loss) attributable to IDT Corporation		449			(2,002	)		(1,553	)
Balance, April 30, 2016	$	(126	)	$	(656	)	$	(782	)