Share-Based Compensation Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares outstanding	0	6,200
Adjusted share-based compensation cost	$ 18.3	$ 18.8	$ 14.3
Share-based compensation cost, net of tax	13.7	$ 14.1	$ 10.8
Total unrecognized compensation cost	$ 23.1
Total unrecognized compensation cost, weighted-average period	1 year 9 months 18 days
Market Based Performance Stock Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted	31,118	48,073
RSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted	68,800
2022 ECIP [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized	2,651,472
Shares available for grant	2,427,008
Plan expiration date	Jun. 15, 2032
2016 Director Stock Unit Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized	250,000
Shares available for grant	125,310
Plan expiration date	Jul. 08, 2026
2016 Director Stock Unit Plan [Member] | RSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period	1 year
Number of shares granted	7,041	13,086
Number of shares outstanding	31,472	53,938
Vested director stock units	24,431	40,852
2020 Inducement Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized	19,000
Shares available for grant	8,903
Plan expiration date	Dec. 14, 2030
Number of shares outstanding	0	0