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v3.24.3

Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Net unrealized investment gains (losses) on fixed maturity securities, net of tax |  |  |  |
Beginning balance |  |  | $ 1,175.3 |
Other comprehensive income (loss) before reclassifications | $ 59.3 | $ (53.0) | 88.1 | $ (26.7)
Amounts reclassified from AOCI | 0.4 | 2.7 | 2.9 | 16.2
Other comprehensive income | 59.7 | (50.3) | 91.0 | (10.5)
Ending balance | 1,287.0 | 1,051.3 | 1,287.0 | 1,051.3
Pretax reclassification amounts from AOCI, tax | (0.1) | (0.7) | (0.8) | (4.3)
Total |  |  |  |
Net unrealized investment gains (losses) on fixed maturity securities, net of tax |  |  |  |
Beginning balance | (282.7) | (359.6) | (314.0) | (399.4)
Ending balance | (223.0) | (409.9) | (223.0) | (409.9)
Net Unrealized Investment Gains (Losses) on Fixed Maturity Securities |  |  |  |
Net unrealized investment gains (losses) on fixed maturity securities, net of tax |  |  |  |
Beginning balance | (370.4) | (393.7) | (328.3) | (449.6)
Other comprehensive income (loss) before reclassifications | 132.8 | (143.7) | 88.2 | (101.3)
Amounts reclassified from AOCI | 0.4 | 2.7 | 2.9 | 16.2
Other comprehensive income | 133.2 | (141.0) | 91.1 | (85.1)
Ending balance | (237.2) | (534.7) | (237.2) | (534.7)
Pretax reclassification amounts from accumulated other comprehensive income (loss) | (0.4) | (3.5) | (3.6) | (20.5)
Net Reserve Remeasurements Attributable to Discount Rates |  |  |  |
Net unrealized investment gains (losses) on fixed maturity securities, net of tax |  |  |  |
Beginning balance | 95.3 | 42.9 | 21.9 | 59.0
Other comprehensive income (loss) before reclassifications | (73.5) | 90.7 | (0.1) | 74.6
Amounts reclassified from AOCI | 0.0 | 0.0 | 0.0 | 0.0
Other comprehensive income | (73.5) | 90.7 | (0.1) | 74.6
Ending balance | 21.8 | 133.6 | 21.8 | 133.6
Net Funded Status of Benefit Plans |  |  |  |
Net unrealized investment gains (losses) on fixed maturity securities, net of tax |  |  |  |
Beginning balance | (7.6) | (8.8) | (7.6) | (8.8)
Other comprehensive income (loss) before reclassifications | 0.0 | 0.0 | 0.0 | 0.0
Amounts reclassified from AOCI | 0.0 | 0.0 | 0.0 | 0.0
Other comprehensive income | 0.0 | 0.0 | 0.0 | 0.0
Ending balance | $ (7.6) | $ (8.8) | $ (7.6) | $ (8.8)

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