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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Examination [Line Items] |  |  |  |
Notional interest deduction ("NID") | $ 40.0 | $ 46.3 | $ 40.0 |
State charitable contribution carryover ("SCCCs") | 0.7 | 0.6 | 0.7 |
Accrued income taxes |  | 1.4 |  |
Unrecognized tax benefits | 4.5 | 2.1 | 4.5 |
Income tax penalties and interest expense, benefit |  | 0.7 | 4.0 |
Accrued interest and penalties | 1.0 | 0.3 | 1.0 |
Tax benefit |  |  |  | $ 14.7
Tax liability |  |  |  | 37.8
Income tax provision | 4.8 | (118.6) | (103.4) | $ (119.0)
Income taxes receivable, current | 24.8 |  | 24.8 |
Tax deposit | 7.6 | 10.7 | 7.6 |
Deferred tax assets | 21.6 |  | 21.6 |
Income taxes receivable, noncurrent | $ 30.1 | 31.1 | 30.1 |
US State |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Operating loss carryforwards, valuation allowance |  | 43.2 |  |
Foreign |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Operating loss carryforwards, valuation allowance |  | $ 26.5 |  |
Danish Tax Authority (SKAT) |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Income tax benefit, net |  |  | 8.9 |
Income tax benefit, gross |  |  | 10.5 |
Overpayment of interest |  |  | $ 1.6 |

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