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Amount, after tax, of expense for award under share-based payment arrangement.

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Number of options outstanding, including both vested and non-vested options.

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Share-Based Compensation Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock option exercised	0
Adjusted share-based compensation cost	$ 21.9	$ 18.3	$ 18.8
Share-based compensation cost, net of tax	16.5	$ 13.7	$ 14.1
Total unrecognized compensation cost	$ 22.0
Total unrecognized compensation cost, weighted-average period	1 year 8 months 12 days
Market Based Performance Stock Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted	28,141	31,118
RSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted	47,800
RSUs [Member] \| Non-Employee Directors [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period	1 year
Number of shares granted	5,694	7,041
Vested director stock units	12,561	24,431
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	2,365,959
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	119,616
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]
Number of shares outstanding	18,255	31,472
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