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v3.25.3

Shareholders' Equity - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023 | Nov. 14, 2025 | Dec. 03, 2024
Class of Stock [Line Items] |  |  |  |  |
Forward sales equity agreement, settlement in cash | $ 1,558,522 |  |  |  |
Net proceeds from equity offering | $ 698,462 | $ 749,987 | $ 806,949 |  |
Shelf Registration Statement |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Debt and equity securities, authorized for issuance |  |  |  |  | $ 8,000,000
Shelf Registration Statement | Subsequent Event |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Debt and equity securities, authorized for issuance value remaining |  |  |  | $ 5,200,000 |
At-The-Market |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Value of shares authorized for issuance |  |  |  |  | $ 1,700,000
Forward sales equity agreement, shares (in shares) | 5,967,768 |  |  |  |
Forward sales equity agreement, settlement in cash | $ 871,500 |  |  |  |
Shares issued (in shares) | 5,931,289 |  |  |  |
Net proceeds from equity offering | $ 698,500 |  |  |  |
Value of shares available for issuance | $ 828,500 |  |  |  |

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