CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Jul. 31, 2023	Apr. 30, 2023	Jul. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 8,149	$ 7,460	$ (10,968)
Other comprehensive (loss) income:
Foreign currency translation adjustment	(623)	999	(3,699)
Pension liability adjustments, net of tax	36	(1,078)	677
Other comprehensive (loss) income	(587)	(79)	(3,022)
Comprehensive income (loss)	$ 7,562	$ 7,381	$ (13,990)