Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Accumulated Other Comprehensive Loss
Cumulative effect of foreign currency translation, net	$ (3,924)	$ (4,106)
Cumulative unrealized loss on pension liability	(1,259)	(1,259)
Accumulated other comprehensive loss, net	$ (5,183)	$ (5,365)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant