CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (19,494)	$ (3,551)
Other comprehensive (loss) income:
Foreign currency translation adjustment	198	2,973
Other comprehensive income	198	2,973
Comprehensive loss	$ (19,296)	$ (578)