Amortization of Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Finite-Lived Intangible Assets Amortization Expense

The following table presents the amortization expense on definite life intangible assets incurred by the Company for the three months ended March 31, 2025 and 2024:

	Three Months Ended
(Dollars in Millions)	Mar 31, 2025		Mar 31, 2024
Specialty Property & Casualty Insurance	$	4.2	$	4.7
Life Insurance	1.6		1.2
Total Segment Amortization Expense	5.8		5.9
Corporate and Other	4.9		5.9
Non-Core Operations	0.6		0.3
Total Amortization Expense	$	11.3	$	12.1