v3.25.2
Reinsurance - Effects Of Reinsurance (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Premiums and other considerations:        
Premiums and other considerations, Direct $ 1,538.1 $ 2,065.5 $ 3,421.5 $ 3,869.8
Premiums and other considerations, Ceded (141.6) (138.9) (273.7) (258.6)
Net premiums and other considerations 1,396.5 1,926.6 3,147.8 3,611.2
Benefits, claims and settlement expenses:        
Benefits, claims and settlement expenses, Direct 2,322.3 2,778.7 4,920.3 5,266.2
Benefits, claims and settlement expenses, Ceded (482.4) (700.8) (860.4) (1,118.6)
Net benefits, claims and settlement expenses 1,839.9 2,077.9 4,059.9 4,147.6
Liability for future policy benefits remeasurement (gain) loss:        
Liability for future policy benefits remeasurement (gain) loss, Direct (11.8) 4.4 (5.7) 32.4
Liability for future policy benefits remeasurement (gain) loss, Ceded 7.5 440.4 3.6 410.7
Net liability for future policy benefits remeasurement (gain) loss $ (4.3) $ 444.8 $ (2.1) $ 443.1