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Income Taxes - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2023 USD ($) jurisdiction | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) jurisdiction | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Tax credit carryforward | $ 1,136.0 |  | $ 1,136.0 |  |  |
Capital loss, foreign tax and other credit carryforwards | $ 1,136.0 |  | 1,136.0 | $ 3.5 |  |
Estimated net future reductions in tax associated with incentives granted |  |  | $ 1,154.6 | 5.7 | $ 8.6 |
Tax from earnings in foreign country |  |  |  |  | 1.6 |
Number of significant foreign jurisdictions | jurisdiction | 13 |  | 13 |  |  |
Unrecognized tax benefits | $ 51.2 |  | $ 51.2 | 46.1 | 41.9 | $ 76.2
Unrecognized tax benefits that would impact effective tax rate | 37.1 |  | 37.1 | 29.5 |  |
Interest and penalties recognized |  |  | 4.3 | 2.6 | $ (4.5) |
Interest and penalties accrued | 16.3 |  | 16.3 | $ 12.0 |  |
Minimum |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Possible decrease in unrecognized tax benefits | 7.1 |  | 7.1 |  |  |
Maximum |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Possible decrease in unrecognized tax benefits | 27.1 |  | 27.1 |  |  |
U.S. State |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Operating loss carryforwards | 20.3 |  | 20.3 |  |  |
Foreign Tax Authority |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Operating loss carryforwards | $ 390.9 |  | 390.9 |  |  |
Switzerland |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Tax incentives granted, period (in years) | 10 years |  |  |  |  |
Tax credit carryforward | $ 1,353.0 |  | 1,353.0 |  |  |
Foreign deferred tax liabilities | 204.0 |  | 204.0 |  |  |
Capital loss, foreign tax and other credit carryforwards | 1,149.0 |  | 1,149.0 |  |  |
recorded valuation allowance | $ 318.0 |  | 318.0 |  |  |
Switzerland | Scenario, Forecast |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Estimated net future reductions in tax associated with incentives granted |  | $ 831.0 |  |  |  |
Brazil |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Change in valuation allowance |  |  | $ 223.0 |  |  |

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