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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Tax Credit Carryforward [Line Items] |  |  |  |
Income tax expense (benefit) |  | $ (30.2) | $ 26.8 | $ (27.6)
Effective tax rate (percent) |  | 38.30% | (5.60%) | 28.60%
Tax provision at U.S. statutory rate |  | 21.00% | 21.00% | 21.00%
Tax-effected operating loss carryforwards |  | $ 255.6 |  |
Capital loss carryforward |  | 33.6 | $ 47.4 |
Valuation allowance on deferred tax assets |  | 286.1 | 323.0 |
Unrecognized tax benefits that would impact effective tax rate |  | 10.9 |  |
Decrease in unrecognized tax benefits due to lapse of statute of limitations |  | 5.6 | $ 2.4 | $ 0.4
Forecast |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Decrease in unrecognized tax benefits due to lapse of statute of limitations | $ 2.6 |  |  |
United States |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Valuation allowance on deferred tax assets |  | 44.0 |  |
Luxembourg |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Valuation allowance on deferred tax assets |  | 203.5 |  |
State |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Valuation allowance on deferred tax assets |  | 17.3 |  |
Tax Year 2026 |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Capital loss carryforward |  | 25.0 |  |
Indefinite |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Capital loss carryforward |  | 7.8 |  |
Tax Year 2028 - 2033 | Foreign and state jurisdiction |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Capital loss carryforward |  | 20.1 |  |
Tax Year 2024 - 2042 | Foreign and state jurisdiction |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Capital loss carryforward |  | 9.8 |  |
Tax Year 2026 and Indefinite |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Capital loss carryforward |  | $ 32.8 |  |

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