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Stockholders' Equity (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2022 | Oct. 01, 2024 | Nov. 18, 2021 | Oct. 08, 2021
Class of Stock [Line Items] |  |  |  |  |
Equity Securities Registered, Value |  |  |  |  | $ 750.0
At-the-market Equity Offering Program, Common Stock Available for Issuance |  |  |  | $ 300.0 |
Common Stock, Shares Authorized | $ 728.1 |  |  |  |
Stock Issued During Period, Value, New Issues | 19.7 | $ 1.7 |  |  |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs | 0.4 |  |  |  |
Subsequent Event [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Equity Securities Registered, Value |  |  | $ 750.0 |  |
Common Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ 0.6 | $ 0.1 |  |  |
Shares Issued During Period, New Issues | 546,174 | 84,547 |  |  |

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