Share-Based Compensation Plans (Schedule Of Stock Option Exercises) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Share-Based Payment Arrangement [Abstract] | |||
| Total intrinsic value of stock options exercised | $ 0.3 | $ 1.3 | $ 1.3 |
| Cash proceeds received from stock options exercised | 1.4 | 0.2 | 1.8 |
| Tax deduction realized from stock options exercised | $ 0.1 | $ 0.3 | $ 0.1 |