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Stockholders' Equity - Narrative (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 9 Months Ended |  |  |  |  |  |  |
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Nov. 04, 2025 $ / shares | May 31, 2024 shares | Sep. 30, 2025 USD ($) $ / shares shares | Jun. 30, 2025 $ / shares | Mar. 31, 2025 $ / shares | Sep. 30, 2024 USD ($) $ / shares shares | Jun. 30, 2024 $ / shares | Mar. 31, 2024 $ / shares | Sep. 30, 2025 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 01, 2025 shares | Aug. 31, 2025 USD ($) | Jul. 31, 2025 USD ($) | Dec. 31, 2024 $ / shares shares | May 14, 2024 shares | May 13, 2024 shares | Feb. 21, 2024 $ / shares
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  | 240,000,000 |  |  |  |  |  | 240,000,000 |  |  |  |  | 240,000,000 | 240,000,000 | 120,000,000 |
Common stock, par value (in dollars per share) | $ / shares |  |  | $ 0.01 |  |  |  |  |  | $ 0.01 |  |  |  |  | $ 0.01 |  |  | $ 0.01
Dividends declared associated with dividend equivalent rights on equity-based awards | $ |  |  | $ 0.6 |  |  | $ 1.6 |  |  | $ 2.0 | $ 5.9 |  |  |  |  |  |  |
Dividends declared (in dollars per share) | $ / shares |  |  | $ 1.30 | $ 1.30 | $ 1.30 | $ 2.52 | $ 2.94 | $ 3.25 | $ 3.90 | $ 8.71 |  |  |  |  |  |  |
Stock repurchase program, authorized amount | $ |  |  | $ 1,000.0 |  |  |  |  |  | $ 1,000.0 |  |  | $ 1,000.0 | $ 750.0 |  |  |  |
Repurchase of common stock (in shares) |  |  |  |  |  |  |  |  | 3,388,561 | 1,509,996 |  |  |  |  |  |  |
Repurchase of common stock, average cost (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 104.61 | $ 157.47 |  |  |  |  |  |  |
Share repurchases, excluding excise tax | $ |  |  |  |  |  |  |  |  | $ 354.5 | $ 237.8 |  |  |  |  |  |  |
Share repurchases, excise tax | $ |  |  |  |  |  |  |  |  | 3.3 |  |  |  |  |  |  |  |
Stock repurchase program, remaining authorized repurchase amount | $ |  |  | $ 962.2 |  |  |  |  |  | $ 962.2 |  |  |  |  |  |  |  |
Warrants expired (in shares) |  |  |  |  |  |  |  |  |  |  | 888,406 |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 0 |  |  |  |  |  | 0 |  |  |  |  |  |  |  |
Warrants exercised (in shares) |  |  | 0 |  |  | 922,475 |  |  | 0 | 1,993,326 |  |  |  |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends declared (in dollars per share) | $ / shares | $ 1.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Enerplus Corporation Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  | 0.10125 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 20,680,097 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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