v3.25.4
Schedule 4 - Reinsurance Schedule (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Life Insurance in Force      
Gross Amount $ 19,496.7 $ 19,651.3 $ 19,750.8
Ceded to Other Companies 310.2 322.5 339.4
Assumed from Other Companies 117.9 123.6 129.9
Net Amount $ 19,304.4 $ 19,452.4 $ 19,541.3
Percentage of Amount Assumed to Net 0.60% 0.60% 0.70%
Premiums      
Gross Amount $ 4,415.3 $ 4,238.5 $ 4,532.4
Ceded to Other Companies 17.3 33.1 32.7
Assumed from Other Companies (1.7) 10.5 29.7
Net Amount [1] $ 4,396.3 $ 4,215.9 $ 4,529.4
Percentage of Amount Assumed to Net 0.00% 0.20% 0.70%
Life Insurance      
Premiums      
Gross Amount $ 333.1 $ 330.7 $ 322.0
Ceded to Other Companies 2.9 3.1 3.3
Assumed from Other Companies 0.4 0.5 0.5
Net Amount $ 330.6 $ 328.1 $ 319.2
Percentage of Amount Assumed to Net 0.10% 0.20% 0.20%
Accident and Health Insurance      
Premiums      
Gross Amount $ 34.6 $ 34.7 $ 34.7
Ceded to Other Companies 12.8 12.5 11.6
Assumed from Other Companies 0.0 0.0 0.0
Net Amount $ 21.8 $ 22.2 $ 23.1
Percentage of Amount Assumed to Net 0.00% 0.00% 0.00%
Property and Liability Insurance      
Premiums      
Gross Amount $ 4,047.6 $ 3,873.1 $ 4,175.7
Ceded to Other Companies 1.6 17.5 17.8
Assumed from Other Companies (2.1) 10.0 29.2
Net Amount $ 4,043.9 $ 3,865.6 $ 4,187.1
Percentage of Amount Assumed to Net   0.30% 0.70%
Property and Liability Insurance      
Premiums      
Percentage of Amount Assumed to Net (0.10%)    
[1]
1 Includes a remeasurement loss related to the deferred profit liability within the Life Insurance business of $8.7 million for the year ended December 31, 2025, a remeasurement loss of $7.2 million for the year ended December 31, 2024, and a remeasurement loss of $19.1 million for the year ended December 31, 2023.