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Income Taxes - Income Tax Reconciliation (Parenthetical) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Income Tax [Line Items] |  |  |  |  |  |
French business tax, gross |  | $ 11.8 | $ 11.7 |  | $ 16.4 |
Tax provision at the U.S. federal statutory rate, Percentage |  | 21.00% | 21.00% |  | 21.00% |
Repatriation of non-United States earnings |  |  | $ (5.8) |  | $ 4.6 |
Change in valuation allowance |  | $ (0.7) | 34.1 | [1] | 53.5 | [1]
Provision for income taxes |  | 106.7 | 111.7 |  | 117.1 |
Recognition of tax benefit | $ 10.8 |  |  |  | 10.8 |
Germany |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |
Change in valuation allowance |  |  | 16.1 |  | 46.3 |
French Business Tax |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |
Statutory income tax rate differential |  | $ 9.3 | $ 9.2 | [2] | $ 13.0 | [2]
[1] | Losses incurred in 2024 and 2023 in Germany resulted in an increase in valuation allowance of $16.1 and $46.3, respectively.
[2] | The French business tax is allowed as a deduction for French income tax purposes. The gross amount of the French business tax was $11.7, and $16.4 for 2024 and 2023 respectively. The $9.2 and $13.0 for 2024 and 2023, respectively, represent the French business tax expense net of the French tax benefit using the United States federal rate of 21%.

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