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v3.25.3

Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2025 | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  | 404,031,443 |  |  |  | 402,848,342 |  |  |  |  | 404,031,443 | 402,848,342 |
Common stock, shares outstanding |  | 294,475,153 |  |  |  | 324,027,360 |  |  |  |  | 294,475,153 | 324,027,360 |
Preferred stock, shares issued |  | 0 |  |  |  | 0 |  |  |  |  | 0 | 0 |
Amount of stock repurchase authorization |  | $ 5,000.0 |  |  |  |  |  |  |  |  | $ 5,000.0 |  |
Treasury Stock, Common, Shares |  |  |  |  |  |  |  |  |  |  | 30,700,000 |  |
Payments for Repurchase of Common Stock |  |  |  |  |  |  |  |  |  | $ 2,600.0 | $ 4,300.0 |  |
Amount remaining under stock repurchase authorization |  | $ 3,300.0 |  |  |  |  |  |  |  |  | $ 3,300.0 |  |
Dividends, Common Stock [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared per common share |  | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.30 | $ 0.30 | $ 0.30 | $ 0.30 |  |  |  |
Cash dividends paid per common share |  | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.30 | $ 0.30 | $ 0.30 | $ 0.30 |  | $ 1.60 | $ 1.20 | $ 1.00
Dividends, Common Stock, Cash |  |  |  |  |  |  |  |  |  |  | $ 494.8 | $ 395.2 | $ 341.2
Retained Earnings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends, Common Stock [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends, Common Stock, Cash |  |  |  |  |  |  |  |  |  |  | 494.8 | $ 395.2 | $ 341.2
Forestar Group [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Securities Registered, Value |  | $ 750.0 |  |  |  |  |  |  |  |  | 750.0 |  |
At-the-market Equity Offering Program, Common Stock Available for Issuance |  | 300.0 |  |  |  |  |  |  |  |  | $ 300.0 |  |
At-the-market Equity Offering Program, Common Stock Issued |  |  |  |  |  |  |  |  |  |  | 0 |  |
Common Stock Available for Issuance, Value Remaining |  | $ 750.0 |  |  |  |  |  |  |  |  | $ 750.0 |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends, Common Stock [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared per common share | $ 0.45 |  |  |  |  |  |  |  |  |  |  |  |

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