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Income Taxes (Valuation Allowance) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Valuation Allowance Deferred Tax Assets Written Off | $ 10.9 | $ 2.2 | $ 0.0
Accumulated other comprehensive income (loss) | (1.2) | (1.4) | 0.4
Ending balance | 110.3 | 164.0 | 199.8
Foreign Tax Credits [Domain] |  |  |
Valuation allowance change | (30.4) |  | (48.2)
Increase to valuation allowance [Member] |  |  |
Valuation allowance change | 2.8 | 24.3 | 5.9
Decrease to valuation allowance [Member] |  |  |
Valuation allowance change | $ (44.4) | (57.8) | $ (65.1)
legal entity restructuring |  |  |
Valuation allowance change |  | $ (30.3) |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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