Segment Information (Tables)

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Schedule of Financial Information for these Segments

Disaggregated financial information for these segments, as regularly provided to the CODM as of and for the three months ended March 31, 2026, is as follows:

	Property & Casualty		Life & Retirement		Supplemental & Group Benefits		Corporate & Other*		Totals
($ in millions)
Net premiums and contract charges earned	$	203.2	$	39.4	$	70.4	$	—	$	313.0
Net investment income	14.6		87.0		8.9		0.2		110.7
Other segment income	2.0		5.5		(0.6)		0.9		7.8
Total segment revenues	$	219.8	$	131.9	$	78.7	$	1.1	$	431.5
Benefits and claims expenses    (excluding catastrophe losses)	$	85.9	$	31.5	$	28.1	$	—	$	145.5
Catastrophe losses	11.3		—		—		—		11.3
Loss adjustment expenses	16.9		—		—		—		16.9
Interest credited	—		52.4		1.4		—		53.8
Operating & admin expenses	33.4		25.1		20.6		2.9		82.0
Commissions expense	16.4		11.0		11.8		—		39.2
Taxes, licenses and fees	5.2		1.0		1.5		0.1		7.8
Deferred policy acquisition costs	(23.7)		(6.4)		(1.4)		—		(31.5)
Deferred policy acquisition    cost amortization	25.8		6.0		0.5		—		32.3
Interest expense	—		—		—		9.5		9.5
Total segment expenses	$	171.2	$	120.6	$	62.5	$	12.5	$	366.8
Pretax profit (loss)	$	48.6	$	11.3	$	16.2	$	(11.4)	$	64.7
Income tax expense	9.6		2.1		3.6		(3.1)		12.2
Segment profit (loss) (Core earnings)	39.0		9.2		12.6		(8.3)		52.5
Net investment losses (after-tax)	—		—		—		(1.7)		(1.7)
Non-core income adjustments (after-tax)(1)	—		(2.1)		(2.7)		(4.8)		(9.6)
Net income	$	39.0	$	7.1	$	9.9	$	(14.8)	$	41.2

*-Corporate & Other is net of intersegment eliminations.

Disaggregated financial information for these segments, as regularly provided to the CODM as of and for the three months ended March 31, 2025, is as follows:

	Property & Casualty		Life & Retirement		Supplemental & Group Benefits		Corporate & Other*		Totals
($ in millions)
Net premiums and contract charges earned	$	192.7	$	38.5	$	67.1	$	—	$	298.3
Net investment income	11.7		89.1		9.4		5.7		115.9
Other segment income	1.3		4.8		(1.1)		0.5		5.5
Total segment revenues	$	205.7	$	132.4	$	75.4	$	6.2	$	419.7
Benefits and claims expenses    (excluding catastrophe losses)	$	85.6	$	36.6	$	26.9	$	—	$	149.1
Catastrophe losses	16.4		—		—		—		16.4
Loss adjustment expenses	16.3		—		—		—		16.3
Interest credited	—		51.6		1.2		—		52.8
Operating & admin expenses	33.4		23.9		17.3		2.3		76.9
Commissions expense	16.9		9.7		11.3		—		37.9
Taxes, licenses and fees	4.9		0.9		1.4		0.2		7.4
Deferred policy acquisition costs	(24.3)		(6.1)		(1.0)		—		(31.4)
Deferred policy acquisition    cost amortization	23.1		6.0		0.5		—		29.6
Interest expense	—		—		—		8.9		8.9
Total segment expenses	$	172.3	$	122.7	$	57.6	$	11.4	$	364.0
Pretax profit (loss)	$	33.4	$	9.7	$	17.8	$	(5.2)	$	55.7
Income tax expense	6.6		1.8		3.8		(1.2)		11.0
Segment profit (loss) (Core earnings)	26.8		7.9		14.0		(4.0)		44.7
Net investment losses (after-tax)	—		—		—		(2.6)		(2.6)
Non-core income adjustment (after-tax)	—		(1.1)		(2.8)		—		(3.9)
Net income	$	26.8	$	6.8	$	11.2	$	(6.6)	$	38.2

*-Corporate & Other is net of intersegment eliminations.

Schedule of Additional Significant Financial Information for these Segments

($ in millions)	March 31, 2026		December 31, 2025
Assets
Property & Casualty	$	1,402.5	$	1,372.1
Life & Retirement	12,042.1		12,204.5
Supplemental & Group Benefits	1,342.2		1,401.7
Corporate & Other	231.1		308.8
Intersegment eliminations	(52.0)		(20.5)
Total	$	14,965.9	$	15,266.6