Schedule of Other (Expense) Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Other Income and Expenses [Abstract]
Foreign currency transaction (losses) gains	$ (857)	$ (1,069)	$ (259)	$ 396
Equity in net loss of investee	(765)	(528)	(2,208)	(528)
(Losses) gains on investments (see Note 7)	(3,416)	5,435	(20,862)	5,822
Other	(30)	(23)	(905)	(82)
Total other (expense) income, net	$ (5,068)	$ 3,815	$ (24,234)	$ 5,608