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Stock-Based Compensation Plans (Schedule Of Future Share-Based Compensation Cost) (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2022 | $ 35.8
2023 | 35.0
2024 | 34.3
2025 | 2.5
2026 | 0.0
Thereafter | 0.0
Total | 107.6
Equity Option [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2022 | 34.8
2023 | 34.3
2024 | 34.2
2025 | 2.5
2026 | 0.0
Thereafter | 0.0
Total | 105.8
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2022 | 1.0
2023 | 0.7
2024 | 0.1
2025 | 0.0
2026 | 0.0
Thereafter | 0.0
Total | 1.8
Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2022 | 0.0
2023 | 0.0
2024 | 0.0
2025 | 0.0
2026 | 0.0
Thereafter | 0.0
Total | $ 0.0

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