Debt (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Summary of Indebtedness Outstanding

Indebtedness and scheduled maturities consisted of the following:

($ in millions)	Interest Rates	Final Maturity	December 31,
			2023		2022
Short-term debt
Revolving Credit Facility	Variable	2026	$	—	$	249.0
Long-term debt(1)
7.25% 2023 Senior Notes, Aggregate principal amount of $300.0 less unaccrued discount of $0.5 and $0.0 and unamortized debt issuance costs of $2.8 and $0.0	7.25%	2028	296.7		—
4.50% 2015 Senior Notes, Aggregate principal amount of $250.0 less unaccrued discount of $0.2 and $0.2 and unamortized debt issuance costs of $0.5 and $0.8	4.50%	2025	249.3		249.0
Total			$	546.0	$	498.0

(1)    The Company designates debt obligations as "long-term" based on maturity date at issuance.