CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (526)	$ (22,977)	$ 4,431	$ (42,471)
Other comprehensive income (loss):
Foreign currency translation adjustment	4,655	(13)	1,818	185
Pension liability adjustments, net of tax	0	0	(1,078)	0
Other comprehensive income (loss)	4,655	(13)	740	185
Comprehensive income (loss)	$ 4,129	$ (22,990)	$ 5,171	$ (42,286)