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v3.25.3

Business Segments - Segment Net Operating Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Total Revenues | $ 1,239.7 | $ 1,178.9 | $ 3,658.3 | $ 3,451.8
Total Expenses | 1,272.8 | 1,088.2 | 3,484.1 | 3,182.6
Less: Net Loss attributable to Noncontrolling Interest | (3.2) | (1.5) | (8.7) | (3.6)
(Loss) Income before Income Taxes | (21.0) | 73.7 | 151.3 | 220.4
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenues | 1,221.8 | 1,123.7 | 3,593.2 | 3,190.4
Total Segment Adjusted Net Operating Income | 26.2 | 118.6 | 232.9 | 301.8
Operating Segments | Specialty Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenues | 1,073.6 | 972.6 | 3,150.7 | 2,765.9
Total Expenses | (1,066.0) | (869.0) | (2,966.2) | (2,490.8)
Operating Income (Loss), Net of Tax | 7.6 | 103.6 | 184.5 | 275.1
Operating Segments | Life Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenues | 148.2 | 151.1 | 442.5 | 424.5
Total Expenses | (129.6) | (136.1) | (394.1) | (397.8)
Operating Income (Loss), Net of Tax | 18.6 | 15.0 | 48.4 | 26.7
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Corporate and Other Adjusted Net Operating Loss | (9.0) | (15.1) | (30.7) | (39.0)
Non-Core Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenues | 18.2 | 54.8 | 67.4 | 244.8
Operating Income (Loss), Net of Tax | (20.7) | (17.4) | (29.0) | (25.8)
Change in Fair Value of Equity and Convertible Securities | (1.7) | (1.8) | (2.0) | (0.1)
Net Realized Investment Gains | 3.1 | 0.9 | 3.7 | 7.3
Impairment Losses | (2.5) | (1.7) | (5.1) | (3.0)
Acquisition and Disposition Related Transaction, Integration, Restructuring and Other Costs | (19.6) | (9.1) | (27.6) | (24.3)
Debt Extinguishment, Pension Settlement and Other Charges | $ 0.0 | $ (2.2) | $ 0.4 | $ (0.1)

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