Reinsurance (Tables)

12 Months Ended

Dec. 31, 2025

Reinsurance Disclosures [Abstract]

Effects of Reinsurance

Reinsurance activity related to our premium income, policy benefits, and policy benefits remeasurement gain are as follows:

	Year Ended December 31
	2025		2024		2023
	(in millions of dollars)
Direct Premium Income	$	11,064.0	$	10,732.1	$	10,286.8
Reinsurance Assumed	54.5		69.8		80.4
Reinsurance Ceded	(287.5)		(304.5)		(321.2)
Net Premium Income	$	10,831.0	$	10,497.4	$	10,046.0
Direct Policy Benefits	$	8,343.9	$	8,027.9	$	8,001.8
Reinsurance Assumed	154.6		152.5		138.7
Reinsurance Ceded	(872.3)		(700.2)		(828.6)
Net Policy Benefits	$	7,626.2	$	7,480.2	$	7,311.9
Direct Policy Benefits - Remeasurement Loss (Gain)	$	530.0	$	(546.8)	$	(49.2)
Reinsurance Assumed	(5.4)		2.2		(0.1)
Reinsurance Ceded	(85.5)		(17.7)		(5.5)
Net Policy Benefits - Remeasurement Loss (Gain)	$	439.1	$	(562.3)	$	(54.8)