v3.25.1
Underwriting, Acquisition and General Expenses (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Underwriting, Acquisition and Insurance Expenses [Abstract]    
Commission expense $ 20.8 $ 31.1
Other underwriting and insurance expenses 53.1 68.1
Amortization of value of business acquired and other intangible assets 9.9 42.9
Total 83.8 142.1
Net deferral of policy acquisition costs (3.2) (25.0)
Total underwriting, acquisition and general expenses $ 80.6 $ 117.1