Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 247	$ (7,733)	$ (539)	$ (15,576)
Derivative instruments:
Unrealized net gain (loss)	426	(304)	(194)	(748)
Net (gain) loss reclassified to earnings	(62)	(11)	(124)	20
Net changes related to available-for-sale securities, net of tax	2		(6)
Foreign currency translation adjustments	(1,464)	1,118	1,333	6,788
Other comprehensive (loss) income	(1,098)	803	1,009	6,060
Comprehensive (loss) income	$ (851)	$ (6,930)	$ 470	$ (9,516)