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v3.23.2

Fair Value of Financial Instruments - Financial Instruments Measured and Carried at Fair Value (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financial Assets |  |
Total fixed maturity securities | $ 5,211.9 | $ 5,185.0
Equity securities | 85.8 | 99.6
Mortgage-backed securities |  |
Financial Assets |  |
Total fixed maturity securities | 583.1 | 570.4
Other, including U.S. Treasury securities |  |
Financial Assets |  |
Total fixed maturity securities | 369.1 | 342.7
Municipal bonds |  |
Financial Assets |  |
Total fixed maturity securities | 1,252.5 | 1,269.7
Foreign government bonds |  |
Financial Assets |  |
Total fixed maturity securities | 24.8 | 33.5
Corporate bonds |  |
Financial Assets |  |
Total fixed maturity securities | 1,828.4 | 1,901.7
Other asset-backed securities |  |
Financial Assets |  |
Total fixed maturity securities | 1,154.0 | 1,067.0
Carrying Amount | Recurring |  |
Financial Assets |  |
Total fixed maturity securities | 5,211.9 | 5,185.0
Equity securities | 85.8 | 99.6
Short-term investments | 74.0 | 109.4
Other investments | 45.8 | 38.6
Totals | 5,417.5 | 5,432.6
Separate Account variable annuity assets | 3,098.5 | 2,792.3
Financial Liabilities | 86.2 | 92.5
Carrying Amount | Recurring | Mortgage-backed securities |  |
Financial Assets |  |
Total fixed maturity securities | 583.1 | 570.4
Carrying Amount | Recurring | Other, including U.S. Treasury securities |  |
Financial Assets |  |
Total fixed maturity securities | 369.0 | 342.6
Carrying Amount | Recurring | Municipal bonds |  |
Financial Assets |  |
Total fixed maturity securities | 1,252.6 | 1,269.7
Carrying Amount | Recurring | Foreign government bonds |  |
Financial Assets |  |
Total fixed maturity securities | 24.8 | 33.6
Carrying Amount | Recurring | Corporate bonds |  |
Financial Assets |  |
Total fixed maturity securities | 1,828.4 | 1,901.7
Carrying Amount | Recurring | Other asset-backed securities |  |
Financial Assets |  |
Total fixed maturity securities | 1,154.0 | 1,067.0
Fair Value | Recurring |  |
Financial Assets |  |
Total fixed maturity securities | 5,211.9 | 5,185.0
Equity securities | 85.8 | 99.6
Short-term investments | 74.0 | 109.4
Other investments | 45.8 | 38.6
Totals | 5,417.5 | 5,432.6
Separate Account variable annuity assets | 3,098.5 | 2,792.3
Financial Liabilities | 86.2 | 92.5
Fair Value | Recurring | Level 1 |  |
Financial Assets |  |
Total fixed maturity securities | 57.8 | 36.8
Equity securities | 18.0 | 23.3
Short-term investments | 74.0 | 109.4
Other investments | 0.0 | 0.0
Totals | 149.8 | 169.5
Separate Account variable annuity assets | 3,098.5 | 2,792.3
Financial Liabilities | 0.0 | 0.0
Fair Value | Recurring | Level 2 |  |
Financial Assets |  |
Total fixed maturity securities | 4,677.3 | 4,724.9
Equity securities | 65.8 | 74.3
Short-term investments | 0.0 | 0.0
Other investments | 45.8 | 38.6
Totals | 4,788.9 | 4,837.8
Separate Account variable annuity assets | 0.0 | 0.0
Financial Liabilities | 2.6 | 1.2
Fair Value | Recurring | Level 3 |  |
Financial Assets |  |
Total fixed maturity securities | 476.8 | 423.3
Equity securities | 2.0 | 2.0
Short-term investments | 0.0 | 0.0
Other investments | 0.0 | 0.0
Totals | 478.8 | 425.3
Separate Account variable annuity assets | 0.0 | 0.0
Financial Liabilities | 83.6 | 91.3
Fair Value | Recurring | Mortgage-backed securities |  |
Financial Assets |  |
Total fixed maturity securities | 583.1 | 570.4
Fair Value | Recurring | Mortgage-backed securities | Level 1 |  |
Financial Assets |  |
Total fixed maturity securities | 0.0 | 0.0
Fair Value | Recurring | Mortgage-backed securities | Level 2 |  |
Financial Assets |  |
Total fixed maturity securities | 580.6 | 567.8
Fair Value | Recurring | Mortgage-backed securities | Level 3 |  |
Financial Assets |  |
Total fixed maturity securities | 2.5 | 2.6
Fair Value | Recurring | Other, including U.S. Treasury securities |  |
Financial Assets |  |
Total fixed maturity securities | 369.0 | 342.6
Fair Value | Recurring | Other, including U.S. Treasury securities | Level 1 |  |
Financial Assets |  |
Total fixed maturity securities | 44.8 | 24.6
Fair Value | Recurring | Other, including U.S. Treasury securities | Level 2 |  |
Financial Assets |  |
Total fixed maturity securities | 324.2 | 318.0
Fair Value | Recurring | Other, including U.S. Treasury securities | Level 3 |  |
Financial Assets |  |
Total fixed maturity securities | 0.0 | 0.0
Fair Value | Recurring | Municipal bonds |  |
Financial Assets |  |
Total fixed maturity securities | 1,252.6 | 1,269.7
Fair Value | Recurring | Municipal bonds | Level 1 |  |
Financial Assets |  |
Total fixed maturity securities | 0.0 | 0.0
Fair Value | Recurring | Municipal bonds | Level 2 |  |
Financial Assets |  |
Total fixed maturity securities | 1,188.7 | 1,215.3
Fair Value | Recurring | Municipal bonds | Level 3 |  |
Financial Assets |  |
Total fixed maturity securities | 63.9 | 54.4
Fair Value | Recurring | Foreign government bonds |  |
Financial Assets |  |
Total fixed maturity securities | 24.8 | 33.6
Fair Value | Recurring | Foreign government bonds | Level 1 |  |
Financial Assets |  |
Total fixed maturity securities | 0.0 | 0.0
Fair Value | Recurring | Foreign government bonds | Level 2 |  |
Financial Assets |  |
Total fixed maturity securities | 24.8 | 33.6
Fair Value | Recurring | Foreign government bonds | Level 3 |  |
Financial Assets |  |
Total fixed maturity securities | 0.0 | 0.0
Fair Value | Recurring | Corporate bonds |  |
Financial Assets |  |
Total fixed maturity securities | 1,828.4 | 1,901.7
Fair Value | Recurring | Corporate bonds | Level 1 |  |
Financial Assets |  |
Total fixed maturity securities | 13.0 | 12.2
Fair Value | Recurring | Corporate bonds | Level 2 |  |
Financial Assets |  |
Total fixed maturity securities | 1,503.9 | 1,628.2
Fair Value | Recurring | Corporate bonds | Level 3 |  |
Financial Assets |  |
Total fixed maturity securities | 311.5 | 261.3
Fair Value | Recurring | Other asset-backed securities |  |
Financial Assets |  |
Total fixed maturity securities | 1,154.0 | 1,067.0
Fair Value | Recurring | Other asset-backed securities | Level 1 |  |
Financial Assets |  |
Total fixed maturity securities | 0.0 | 0.0
Fair Value | Recurring | Other asset-backed securities | Level 2 |  |
Financial Assets |  |
Total fixed maturity securities | 1,055.1 | 962.0
Fair Value | Recurring | Other asset-backed securities | Level 3 |  |
Financial Assets |  |
Total fixed maturity securities | $ 98.9 | $ 105.0

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