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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2026	Sep. 30, 2025
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 0.2	$ 0.1
Weighted average period to recognize remaining cost (in years)	2 years 3 months 18 days
Time-based restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Performance-Based Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Nonvested Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 12.0	$ 9.1
Weighted average period to recognize remaining cost (in years)	2 years

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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