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Stock-Based Compensation Plans (Schedule Of Future Share-Based Compensation Cost) (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2019 | $ 6.4
2020 | 3.6
2021 | 1.4
2022 | 0.9
2023 | 0.7
Thereafter | 1.0
Total | 14.0
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2019 | 4.6
2020 | 2.3
2021 | 0.5
2022 | 0.1
2023 | 0.0
Thereafter | 0.0
Total | 7.5
Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2019 | 1.8
2020 | 1.3
2021 | 0.9
2022 | 0.8
2023 | 0.7
Thereafter | 1.0
Total | $ 6.5

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