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Stock-Based Compensation (Components Of Stock-Based Compensation) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-based compensation | $ 30.1 | $ 34.2 | $ 29.2
Recognized tax benefits on stock-based compensation expense | 5.3 | 9.2 | 6.5
To Be Settled With Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 19.5 | 23.9 | 17.0
Employee contributions for above stock plans | 10.6 | 10.3 | 12.2
Total stock-based compensation | 30.1 | 34.2 | 29.2
Recognized tax benefits on stock-based compensation expense | 4.7 | 5.8 | 4.0
To Be Settled With Stock | Accounting Standards Update 2016-13 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Recognized tax benefits on stock-based compensation expense | 0.6 | 3.4 | 2.5
To Be Settled With Stock | Stock-based retirement plans contributions |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 3.7 | 4.0 | 3.5
To Be Settled With Stock | Deferred Stock Compensation Program |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 1.6 | 1.5 | 2.2
To Be Settled With Stock | Stock-based retirement plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 1.4 | 1.1 | 1.4
To Be Settled With Stock | Discount Stock Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 0.8 | 0.9 | 0.9
To Be Settled With Stock | Performance Stock Unit Awards - TSR Based |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 2.5 | 3.1 | 3.2
To Be Settled With Stock | Performance Stock Unit Awards - EBIT CAGR Based |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | (1.7) | 4.7 | (1.9)
To Be Settled With Stock | Restricted Stock Unit Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 10.2 | 8.2 | 6.8
To Be Settled With Stock | Other, primarily non-employee directors restricted stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 1.0 | 0.4 | 0.9
To Be Settled In Cash |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | (1.8) | 4.6 | (2.0)
To Be Settled In Cash | Stock-based retirement plans contributions |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 0.7 | 0.6 | 0.7
To Be Settled In Cash | Deferred Stock Compensation Program |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 0.0 | 0.0 | 0.0
To Be Settled In Cash | Stock-based retirement plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 0.0 | 0.0 | 0.0
To Be Settled In Cash | Discount Stock Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 0.0 | 0.0 | 0.0
To Be Settled In Cash | Performance Stock Unit Awards - TSR Based |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | (0.5) | (1.0) | (0.7)
To Be Settled In Cash | Performance Stock Unit Awards - EBIT CAGR Based |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | (2.0) | 5.0 | (2.0)
To Be Settled In Cash | Restricted Stock Unit Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | 0.0 | 0.0 | 0.0
To Be Settled In Cash | Other, primarily non-employee directors restricted stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-related compensation expense (income) | $ 0.0 | $ 0.0 | $ 0.0

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