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Income Taxes - Narrative (Details) kr in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 DKK (kr) | Sep. 30, 2024 USD ($)
Income Taxes [Line Items] |  |  |  |  |
Total Net Discrete Income Tax Expense (Benefit) | $ (1.0) | $ 2.9 | $ (12.8) |  | $ 2.7
Income Tax Discrete Adjustments - Return-To-Provision Adj [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Total Net Discrete Income Tax Expense (Benefit) | (2.3) | 1.6 | 4.5 |  |
Income Tax Discrete Adjustments - Change to Uncertain Tax Positions [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Total Net Discrete Income Tax Expense (Benefit) | $ 1.3 | (0.7) | (2.4) |  | (9.2)
Income Tax Discrete Adjustments - Valuation Allowance Recorded [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Total Net Discrete Income Tax Expense (Benefit) |  |  | 2.6 |  |
Income Tax Discrete Adjustments - Gain on Sale of Avinode Business [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Total Net Discrete Income Tax Expense (Benefit) |  | $ 2.1 |  |  | $ 11.2
Income Tax Discrete Adjustments - Tax on sale of Watson Fuels [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Total Net Discrete Income Tax Expense (Benefit) |  |  | (17.4) |  |
Danish Tax Authority | Tax Years 2013 through 2019 [Member] | Foreign Tax Authority |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Estimated tax |  |  | 124.0 | kr 788.7 |
Danish Tax Authority | Tax Years 2020 through 2021 [Member] | Foreign Tax Authority |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Estimated tax |  |  | $ 27.0 | kr 171.5 |

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- Definition Estimated amount of loss resulting from an adverse tax position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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