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Stockholders’ Equity - Narrative (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Mar. 31, 2025	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available (in shares)	585,951
Awards issued (in shares)	137,811		405,204
Stock repurchase program, authorized amount				$ 250.0
Excise tax expense	$ 0.0	$ 0.1
Stock repurchase program, remaining repurchase amount	$ 226.7
2023 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional common stock authorized and reserved for future issuance (in shares)	1,350,000

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