CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 4,957	$ (19,494)
Other comprehensive (loss) income:
Foreign currency translation adjustment	(2,837)	198
Pension liability adjustments	(1,078)	0
Other comprehensive income	(3,915)	198
Comprehensive income (loss)	$ 1,042	$ (19,296)