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Shareholders' Equity Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Feb. 01, 2024 | Apr. 27, 2023 | Apr. 30, 2021
Shareholders' Equity Note [Abstract] |  |  |  |  |  |
Common shares, shares issued |  | 75,400,000 | 75,200,000 |  |  | 75,000,000
Class of Warrant or Right, Outstanding |  | 5,470,950 |  |  |  | 5,600,000
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  | $ 131.88
Warranted, Period Exercisable |  | 7 years |  |  |  |
Common Stock, Shares Authorized |  | 700,000,000.0 | 700,000,000.0 |  |  | 700,000,000
Common Stock, Par or Stated Value Per Share |  | $ 0.01 | $ 0.01 |  |  | $ 14.39
Preferred Stock, Par or Stated Value Per Share |  | $ 0.01 | $ 0.01 |  |  | $ 0.01
Preferred Stock, Shares Authorized |  | 150,000,000.0 | 150,000,000.0 |  |  | 150,000,000
Capital Units, Authorized |  |  |  |  |  | 8,500,000
Treasury Stock, Value, Acquired, Cost Method |  | $ 200.0 |  |  |  |
Shares Acquired, Average Cost Per Share |  | $ 66.77 |  |  |  |
Treasury Stock, Shares, Acquired |  | 3,000,000 | 0 |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 300.0 |
Weighted Average Number of Shares, Common Stock Subject to Repurchase or Cancellation | 100,000,000 |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 300.0 |
Forecast [Member] |  |  |  |  |  |
Shareholders' Equity Note [Abstract] |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  | $ 600.0 |  |
Stock Repurchase Program, Authorized Amount |  |  |  | $ 600.0 |  |

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