Schedule of Other Income, (Expense) Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Other Income and Expenses [Abstract]
Foreign currency transaction gains	$ 1,009	$ 370
Equity in net loss of investee	(1,099)
Write-off of tax assets related to prior periods		(1,346)
Gain (loss) on investments	8,830	(336)
Other	(824)	45
TOTAL	$ 7,916	$ (1,267)