Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Summary of indebtedness outstanding

Indebtedness and scheduled maturities consisted of the following:

($ in millions)	Interest Rates	Final Maturity	December 31,
			2021		2020
Short-term debt
Bank Credit Facility	Variable	2026	$	249.0	$	135.0
Long-term debt(1)
4.50% Senior Notes, Aggregate principal amount of $250.0 less unaccrued discount of $0.3 and $0.4 and unamortized debt issuance costs of $1.1 and $1.3	4.50%	2025	248.6		248.3
Federal Home Loan Bank borrowing	0.00%	2022	5.0		54.0
Total			$	502.6	$	437.3

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