Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Income Tax Disclosure [Abstract]
Domestic	$ 25,025	$ 60,969	$ 13,380
Foreign	9,858	4,255	4,338
Income before income taxes	$ 34,883	$ 65,224	$ 17,718