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v3.20.2

Business Segments - Segment Net Operating Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income (Loss) | $ 90.9 | $ 130.0 | $ 333.0 | $ 320.4
Net Income | 122.3 | 129.0 | 312.4 | 406.4
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income (Loss) | 98.7 | 133.0 | 284.0 | 319.7
Operating Segments | Specialty Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income (Loss) | 119.2 | 78.5 | 246.8 | 220.8
Operating Segments | Preferred Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income (Loss) | (32.7) | 21.1 | (13.4) | 29.1
Operating Segments | Life & Health Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income (Loss) | 12.2 | 33.4 | 50.6 | 69.8
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income (Loss) | (7.8) | (3.0) | 49.0 | 0.7
Partial Satisfaction of Judgment | 0.0 | 0.0 | 70.6 | 15.9
Other | (7.8) | (3.0) | (21.6) | (15.2)
Segment Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Change in Fair Value of Equity and Convertible Securities | 35.7 | 7.8 | (0.8) | 78.8
Net Realized Gains on Sales of Investments | 7.9 | 1.4 | 30.2 | 30.9
Impairment Losses | (0.8) | (1.5) | (15.8) | (9.6)
Acquisition Related Transaction, Integration and Other Costs | (11.4) | (4.1) | (34.2) | (9.5)
Loss from Early Extinguishment of Debt | $ 0.0 | $ (4.6) | $ 0.0 | $ (4.6)

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