Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill balances by business segment at December 31, 2020 and 2019 were:

DOLLARS IN MILLIONS	2020		2019
Specialty Property & Casualty Insurance	$	845.0	$	845.0
Preferred Property & Casualty Insurance	49.6		49.6
Life & Health Insurance	219.4		219.4
Total	$	1,114.0	$	1,114.0

Schedule of Definite-Life Intangible Assets

The Gross carrying amount and accumulated amortization of Definite and Indefinite life intangible assets at December 31, 2020 and 2019 were:

	2020						2019
(Dollars in Millions)	Gross Carrying Amount		Accumulated Amortization		Net Amount		Gross Carrying Amount		Accumulated Amortization		Net Amount
Definite Life Intangibles
Value of Business Acquired	$	194.5	$	174.2	$	20.3	$	194.5	$	170.4	$	24.1
Customer Relationships	39.0		35.6		3.4		39.0		34.7		4.3
Agent Relationships	74.4		16.8		57.6		74.4		11.9		62.5
Internal-Use Software	299.6		108.6		191.0		261.6		71.9		189.7
Total Definite Life Intangible Assets	607.5		335.2		272.3		569.5		288.9		280.6
Indefinite Life Intangible Assets
Trade Names	5.2		—		5.2		5.2		—		5.2
Insurance Licenses	42.6		—		42.6		42.6		—		42.6
Total Indefinite Life Intangible Assets	47.8		—		47.8		47.8		—		47.8
Total Intangible Assets	$	655.3	$	335.2	$	320.1	$	617.3	$	288.9	$	328.4

Schedule of Indefinite-Life Intangible Assets

The Gross carrying amount and accumulated amortization of Definite and Indefinite life intangible assets at December 31, 2020 and 2019 were:

	2020						2019
(Dollars in Millions)	Gross Carrying Amount		Accumulated Amortization		Net Amount		Gross Carrying Amount		Accumulated Amortization		Net Amount
Definite Life Intangibles
Value of Business Acquired	$	194.5	$	174.2	$	20.3	$	194.5	$	170.4	$	24.1
Customer Relationships	39.0		35.6		3.4		39.0		34.7		4.3
Agent Relationships	74.4		16.8		57.6		74.4		11.9		62.5
Internal-Use Software	299.6		108.6		191.0		261.6		71.9		189.7
Total Definite Life Intangible Assets	607.5		335.2		272.3		569.5		288.9		280.6
Indefinite Life Intangible Assets
Trade Names	5.2		—		5.2		5.2		—		5.2
Insurance Licenses	42.6		—		42.6		42.6		—		42.6
Total Indefinite Life Intangible Assets	47.8		—		47.8		47.8		—		47.8
Total Intangible Assets	$	655.3	$	335.2	$	320.1	$	617.3	$	288.9	$	328.4

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	2021		2022		2023		2024		2025
Definite Life Intangible Assets:
Value of Business Acquired	$	3.4	$	1.9	$	1.9	$	1.8	$	1.8
Customer Relationships	0.7		0.6		0.5		0.4		0.4
Agent Relationships	5.0		5.0		5.0		5.0		5.0
Internal-Use Software	24.8		25.6		22.8		19.4		15.4
Total	$	33.9	$	33.1	$	30.2	$	26.6	$	22.6