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v3.20.2

Business Segments - Segment Net Operating Income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income | $ 79.2 | $ 91.5 | $ 242.1 | $ 190.4
Net Income | 126.1 | 122.1 | 190.1 | 277.4
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income | 84.5 | 81.2 | 185.3 | 186.7
Operating Segments | Specialty Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income | 67.5 | 62.7 | 127.6 | 142.3
Operating Segments | Preferred Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income | 0.9 | 5.2 | 19.3 | 8.0
Operating Segments | Life & Health Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income | 16.1 | 13.3 | 38.4 | 36.4
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment Net Operating Income | (5.3) | 10.3 | 56.8 | 3.7
Partial Satisfaction of Judgment | 0.0 | 15.9 | 70.6 | 15.9
Other | (5.3) | (5.6) | (13.8) | (12.2)
Segment Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Change in Fair Value of Equity and Convertible Securities | 56.6 | 20.1 | (36.5) | 71.0
Net Realized Gains on Sales of Investments | 9.3 | 16.8 | 22.3 | 29.5
Impairment Losses | (5.5) | (5.3) | (15.0) | (8.1)
Acquisition Related Transaction, Integration and Other Costs | $ (13.5) | $ (1.0) | $ (22.8) | $ (5.4)

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