CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Statement of Comprehensive Income [Abstract]
Consolidated net loss	$ (28,378)	$ (27,630)
Foreign currency translation	(4)	(2,130)
Defined benefit plan:
Pension cost amortization	71	66
Foreign currency translation	(94)	(249)
Other comprehensive loss, net of tax	(27)	(2,313)
Consolidated comprehensive loss	$ (28,405)	$ (29,943)