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Derivative Financial Instruments and Fair Value Measurements - Schedule of Notional Principle, Fixed Rates and Expiration Dates of Outstanding Interest Rate Swap Agreements (Details) - February 2023 - USD - Interest Rate Swap - Cash Flow Hedging - Designated as Hedging Instrument - USD ($) $ in Millions | Jun. 30, 2025 | Sep. 30, 2024
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Derivative [Line Items] |  |
Notional Amount | $ 400.0 | $ 400.0
Fixed Rate (as percent) | 1.283% | 1.283%

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