CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (5,239)	$ (24,288)
Other comprehensive loss:
Foreign currency translation adjustments	(284)	(3,849)
Pension adjustments, net	(11)	(3)
Net unrealized losses on available-for-sale securities	(4)	(21)
Total other comprehensive loss	(299)	(3,873)
Comprehensive loss	$ (5,538)	$ (28,161)