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Pension And Postretirement Benefits (Summary Of Estimated Future Benefit Payments) (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Pension Benefits |
Defined Benefit Plan Disclosure [Line Items] |
2022 | $ 53.6
2023 | 53.2
2024 | 54.2
2025 | 56.4
2026 | 56.0
2027 to 2031 | 284.9
Total payments | 558.3
Postretirement Benefits |
Defined Benefit Plan Disclosure [Line Items] |
2022 | 2.6
2023 | 2.6
2024 | 2.4
2025 | 2.3
2026 | 2.1
2027 to 2031 | 8.8
Total payments | $ 20.8

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