XML 103 R88.htm IDEA: XBRL DOCUMENT v3.25.4
Other Comprehensive Income (Reclassifications out of Accumulated Other Comprehensive loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Net realized losses from sales and other $ (61.7) $ (84.2) $ (8.9)
Income from continuing operations before income taxes 843.8 537.8 41.1
Loss adjustment expenses and other operating expenses (3,729.3) (3,757.4) (4,134.6)
Income tax (expense) benefit (183.1) (112.5) (7.6)
Income from continuing operations (660.7) (425.3) (33.5)
Net income 662.5 426.0 35.3
Life [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Income from discontinued life businesses 1.5 0.0 0.6
Reclassification out of Accumulated Other Comprehensive Loss [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Net income (52.7) (74.8) (19.5)
Net Unrealized Appreciation (Depreciation) on Investments [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Net realized losses from sales and other (61.6) (88.0) (9.1)
Impairments on investments (0.2) (1.7) (11.1)
Income from continuing operations before income taxes (61.8) (89.7) (20.2)
Income tax (expense) benefit 13.7 20.1 5.6
Net income (48.5) (69.9) (14.6)
Net Unrealized Appreciation (Depreciation) on Investments [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Accelerated Share Repurchase Agreement [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Income from continuing operations (48.1) (69.6) (14.6)
Net Unrealized Appreciation (Depreciation) on Investments [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Life [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Income from discontinued life businesses (0.4) (0.3) 0.0
Defined Benefit Pension and Postretirement Plans [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Loss adjustment expenses and other operating expenses (6.7) (6.8) (7.9)
Income tax (expense) benefit 1.4 1.4 1.7
Income from continuing operations (5.3) (5.4) (6.2)
Net change in market risk | Reclassification out of Accumulated Other Comprehensive Loss [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Income tax (expense) benefit (0.3) (0.1) (0.3)
Income from discontinued life businesses 1.1 0.5 1.3
Net change in market risk | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Life [Member]      
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]      
Income from discontinued life businesses $ 1.4 $ 0.6 $ 1.6