CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (10,968)	$ (44,391)
Other comprehensive income:
Foreign currency translation adjustment	(3,699)	4,737
Pension liability adjustments, net of tax	677	(1,418)
Other comprehensive (loss) income	(3,022)	3,319
Comprehensive loss	$ (13,990)	$ (41,072)