Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Income Statement [Abstract]
Net income	$ 22,962	$ 6,342	$ 63,657	$ 30,572
Other comprehensive (loss) income:
Change in unrealized loss on available-for-sale securities	59	(127)	131	77
Foreign currency translation adjustments	(272)	160	(1,801)	(128)
Other comprehensive (loss) income	(213)	33	(1,670)	(51)
Comprehensive income	22,749	6,375	61,987	30,521
Comprehensive income attributable to noncontrolling interests	(1,270)	(791)	(4,448)	(2,937)
Comprehensive income attributable to IDT Corporation	$ 21,479	$ 5,584	$ 57,539	$ 27,584