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Pension and Other Postretirement Benefits (Schedule Of Expected Payments To Participants In Pension Plan) (Details) $ in Millions | Dec. 31, 2020 USD ($)
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Pension Plan |
Defined Benefit Plan Disclosure [Line Items] |
2017 | $ 218.8
2018 | 154.5
2019 | 149.2
2020 | 145.9
2021 | 141.3
2022-2026 | 621.9
Other Postretirement Benefits |
Defined Benefit Plan Disclosure [Line Items] |
2017 | 38.4
2018 | 37.8
2019 | 37.3
2020 | 37.0
2021 | 36.6
2022-2026 | 172.1
Postretirement Health Coverage [Member] |
Defined Benefit Plan Disclosure [Line Items] |
2017 | 0.4
2018 | 0.4
2019 | 0.4
2020 | 0.4
2021 | 0.3
2022-2026 | $ 1.2

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