XML 63 R51.htm IDEA: XBRL DOCUMENT v3.25.3
Business Segments - Segment Net Operating Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Segment Reporting Information [Line Items]        
Total Revenues $ 1,239.7 $ 1,178.9 $ 3,658.3 $ 3,451.8
Total Expenses 1,272.8 1,088.2 3,484.1 3,182.6
Less: Net Loss attributable to Noncontrolling Interest (3.2) (1.5) (8.7) (3.6)
(Loss) Income before Income Taxes (21.0) 73.7 151.3 220.4
Operating Segments        
Segment Reporting Information [Line Items]        
Total Revenues 1,221.8 1,123.7 3,593.2 3,190.4
Total Segment Adjusted Net Operating Income 26.2 118.6 232.9 301.8
Operating Segments | Specialty Property & Casualty Insurance        
Segment Reporting Information [Line Items]        
Total Revenues 1,073.6 972.6 3,150.7 2,765.9
Total Expenses (1,066.0) (869.0) (2,966.2) (2,490.8)
Operating Income (Loss), Net of Tax 7.6 103.6 184.5 275.1
Operating Segments | Life Insurance        
Segment Reporting Information [Line Items]        
Total Revenues 148.2 151.1 442.5 424.5
Total Expenses (129.6) (136.1) (394.1) (397.8)
Operating Income (Loss), Net of Tax 18.6 15.0 48.4 26.7
Corporate and Other        
Segment Reporting Information [Line Items]        
Corporate and Other Adjusted Net Operating Loss (9.0) (15.1) (30.7) (39.0)
Non-Core Operations        
Segment Reporting Information [Line Items]        
Total Revenues 18.2 54.8 67.4 244.8
Operating Income (Loss), Net of Tax (20.7) (17.4) (29.0) (25.8)
Change in Fair Value of Equity and Convertible Securities (1.7) (1.8) (2.0) (0.1)
Net Realized Investment Gains 3.1 0.9 3.7 7.3
Impairment Losses (2.5) (1.7) (5.1) (3.0)
Acquisition and Disposition Related Transaction, Integration, Restructuring and Other Costs (19.6) (9.1) (27.6) (24.3)
Debt Extinguishment, Pension Settlement and Other Charges $ 0.0 $ (2.2) $ 0.4 $ (0.1)