XML 157 R110.htm IDEA: XBRL DOCUMENT v3.24.1
Reclassifications from Accumulated Other Comprehensive Income - Schedule of Accumulated Other Comprehensive Income Reclassification (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Income (loss) from operations before income taxes $ 402.6 $ (27.0) $ 35.1
Income tax (expense)/benefit 132.1 78.1 (5.3)
General, administrative and corporate expenses [1] (503.6) (494.2) (418.0)
Net income/(loss) 534.7 51.1 29.8
Net income/(loss) 534.7 51.1 29.8
Reclassification out of Accumulated Other Comprehensive Income      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net income/(loss) 25.5 70.4 (26.6)
Available for sale securities | Reclassification out of Accumulated Other Comprehensive Income      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Available for sale securities — gross realized (losses) (2.2) (3.9) (24.8)
Realized losses on sale of securities 42.4 58.9 4.4
Income (loss) from operations before income taxes 40.2 55.0 (20.4)
Income tax (expense)/benefit (6.6) 0.0 0.0
Net income/(loss) 33.6 55.0 (20.4)
Realized derivatives | Reclassification out of Accumulated Other Comprehensive Income      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Income tax (expense)/benefit 0.0 0.0 0.0
General, administrative and corporate expenses (8.1) 15.4 (6.2)
Net income/(loss) $ (8.1) $ 15.4 $ (6.2)
[1] General, administrative and corporate expenses includes related party management consulting fees of $5.0 million (2022 — $5.0 million; 2021 — $5.0 million).