Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill balances by business segment at December 31, 2023 and 2022 were:

DOLLARS IN MILLIONS	2023		2022
Specialty Property & Casualty Insurance	$	1,043.0	$	1,043.0
Life Insurance	207.7		207.7
Non-Core Operations	—		49.6
Total	$	1,250.7	$	1,300.3

Schedule of Definite-Life Intangible Assets

The gross carrying amount and accumulated amortization of definite and indefinite life intangible assets at December 31, 2023 and 2022 were:

	2023						2022
(Dollars in Millions)	Gross Carrying Amount		Accumulated Amortization		Net Amount		Gross Carrying Amount		Accumulated Amortization		Net Amount
Definite Life Intangible Assets:
Value of Business Acquired	$	237.5	$	223.7	$	13.8	$	237.5	$	222.1	$	15.4
Customer Relationships	43.8		42.1		1.7		43.8		41.1		2.7
Agent Relationships	81.6		38.2		43.4		81.6		31.0		50.6
Trade Names	—		—		—		1.8		1.7		0.1
Internal-Use Software	388.0		178.0		210.0		352.1		153.9		198.2
Total Definite Life Intangible Assets	750.9		482.0		268.9		716.8		449.8		267.0
Indefinite Life Intangible Assets:
Trade Names	5.2		—		5.2		5.2		—		5.2
Insurance Licenses	44.2		—		44.2		44.5		—		44.5
Total Indefinite Life Intangible Assets	49.4		—		49.4		49.7		—		49.7
Total Intangible Assets	$	800.3	$	482.0	$	318.3	$	766.5	$	449.8	$	316.7

NOTE 14. GOODWILL AND INTANGIBLE ASSETS (Continued)

Schedule of Indefinite-Life Intangible Assets

The gross carrying amount and accumulated amortization of definite and indefinite life intangible assets at December 31, 2023 and 2022 were:

	2023						2022
(Dollars in Millions)	Gross Carrying Amount		Accumulated Amortization		Net Amount		Gross Carrying Amount		Accumulated Amortization		Net Amount
Definite Life Intangible Assets:
Value of Business Acquired	$	237.5	$	223.7	$	13.8	$	237.5	$	222.1	$	15.4
Customer Relationships	43.8		42.1		1.7		43.8		41.1		2.7
Agent Relationships	81.6		38.2		43.4		81.6		31.0		50.6
Trade Names	—		—		—		1.8		1.7		0.1
Internal-Use Software	388.0		178.0		210.0		352.1		153.9		198.2
Total Definite Life Intangible Assets	750.9		482.0		268.9		716.8		449.8		267.0
Indefinite Life Intangible Assets:
Trade Names	5.2		—		5.2		5.2		—		5.2
Insurance Licenses	44.2		—		44.2		44.5		—		44.5
Total Indefinite Life Intangible Assets	49.4		—		49.4		49.7		—		49.7
Total Intangible Assets	$	800.3	$	482.0	$	318.3	$	766.5	$	449.8	$	316.7

NOTE 14. GOODWILL AND INTANGIBLE ASSETS (Continued)

Schedule of Definite-Life Intangible Assets, Future Amortization Expense

The amount of amortization expense expected to be recorded in the next five years for definite life intangible assets is as follows:

DOLLARS IN MILLIONS	2024		2025		2026		2027		2028
Definite Life Intangible Assets:
Value of Business Acquired	$	1.6	$	1.6	$	1.5	$	1.5	$	1.4
Customer Relationships	0.4		0.4		0.3		0.2		0.2
Agent Relationships	5.5		4.9		4.9		4.9		4.9
Internal-Use Software	33.3		27.4		23.4		17.9		15.3
Total	$	40.8	$	34.3	$	30.1	$	24.5	$	21.8