Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Operating loss carryforwards	$ 5.4	$ 5.2
State and local net operating loss carryforwards of net of valuation allowance	4.4
Federal operating loss carryforwards, net of valuation allowances	0.7
Foreign operating loss carryforwards, net of valuation allowances	0.4
Valuation allowance	12.4	15.8
Decrease in total valuation allowance	3.4
Foreign earnings repatriated	$ 35.5	$ 29.7

Deferred Tax Assets, Net of Valuation Allowance, Operating Loss Carryforwards, Federal

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- Definition

Deferred Tax Assets, Net of Valuation Allowance, Operating Loss Carryforwards, Foreign

+ References

No definition available.

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- Definition

Deferred Tax Assets, Net of Valuation Allowance, Operating Loss Carryforwards, State and Local - Amount after allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

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- Definition

Amount of foreign earnings repatriated from subsidiaries outside the country of domicile.

+ References

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-3

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- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

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