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v3.22.2.2

Business Segments - Segment Revenues (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums | $ 1,307.0 | $ 1,356.1 | $ 3,999.3 | $ 3,894.6
Net Investment Income | 97.8 | 101.9 | 316.3 | 318.9
Change in Value of Alternative Energy Partnership Investments | 0.4 | (23.8) | (21.2) | (46.9)
Other Income (Loss) | 4.0 | 12.3 | 7.3 | 20.8
Total Revenues | 1,377.6 | 1,455.4 | 4,200.1 | 4,315.1
Income (Loss) from Change in Fair Value of Equity and Convertible Securities | (11.2) | (0.6) | (79.9) | 92.4
Net Impairment Losses Recognized in Earnings | (8.3) | (0.6) | (22.1) | (7.8)
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenues | 1,408.0 | 1,435.1 | 4,285.2 | 4,169.2
Operating Segments | Specialty Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums | 999.5 | 1,028.3 | 3,064.8 | 2,916.2
Net Investment Income | 33.9 | 37.0 | 102.8 | 114.7
Change in Value of Alternative Energy Partnership Investments | 0.3 | (11.3) | (10.6) | (22.3)
Other Income (Loss) | 2.3 | 1.2 | 5.0 | 3.1
Total Revenues | 1,036.0 | 1,055.2 | 3,162.0 | 3,011.7
Operating Segments | Preferred Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums | 149.3 | 163.7 | 454.8 | 489.1
Net Investment Income | 11.8 | 16.1 | 36.2 | 51.5
Change in Value of Alternative Energy Partnership Investments | 0.0 | (6.4) | (5.0) | (12.5)
Total Revenues | 161.1 | 173.4 | 486.0 | 528.1
Operating Segments | Life & Health Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums | 158.2 | 164.1 | 479.7 | 489.3
Net Investment Income | 52.6 | 48.4 | 163.9 | 151.9
Change in Value of Alternative Energy Partnership Investments | 0.1 | (6.1) | (5.6) | (12.1)
Other Income (Loss) | 0.0 | 0.1 | (0.8) | 0.3
Total Revenues | 210.9 | 206.5 | 637.2 | 629.4
Segment Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (Loss) from Change in Fair Value of Equity and Convertible Securities | (11.2) | (0.6) | (79.9) | 92.4
Gain (Loss) on Sale of Investments | (12.1) | 10.1 | 0.4 | 43.1
Net Impairment Losses Recognized in Earnings | (8.3) | (0.6) | (22.1) | (7.8)
Other | $ 1.2 | $ 11.4 | $ 16.5 | $ 18.2

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