XML 68 R49.htm IDEA: XBRL DOCUMENT 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