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v3.25.0.1

Other Income, Net (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Interest and investment income | $ (82.0) | $ (100.9) | $ (58.1)
Realized Investment Gains (Losses) | (6.7) | (0.7) | (2.3)
Equity Method Investment, Other-than-Temporary Impairment | 0.0 | 0.0 | 11.9
Financing Receivable, Allowance for Credit Loss, Writeoff | 0.0 | 0.0 | 7.5
Gain on divestiture of division | 0.0 | 0.0 | (1.4)
Escrow Deposit Disbursements Related to Property Acquisition | 0.0 | (2.5) | 0.0
Other Nonoperating Income | (1.6) | (2.4) | (2.3)
Other Nonoperating Income (Expense) | $ (90.3) | $ (106.5) | $ (44.7)

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- Definition Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481664/323-10-45-1 + Details
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