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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 |

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