Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits, beginning balance	$ 3,602	$ 3,162	$ 3,316
Increases related to prior year income tax positions	579	71	100
Increases related to current year income tax positions	726	768	858
Decreases related to prior year income tax positions	(92)	0	(159)
Decreases related to expiration of statute of limitations	(503)	(399)	(953)
Unrecognized tax benefits, ending balance	$ 4,312	$ 3,602	$ 3,162

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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-Topic 740
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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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