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Pension And Postretirement Benefits (Summary Of Estimated Future Benefit Payments) (Details) $ in Millions | Dec. 31, 2022 USD ($)
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Pension Benefits |
Defined Benefit Plan Disclosure [Line Items] |
2023 | $ 52.0
2024 | 52.0
2025 | 53.7
2026 | 53.7
2027 | 55.2
2028 to 2032 | 273.0
Total payments | 539.6
Postretirement Benefits |
Defined Benefit Plan Disclosure [Line Items] |
2023 | 2.3
2024 | 2.2
2025 | 2.1
2026 | 1.9
2027 | 1.8
2028 to 2032 | 7.7
Total payments | $ 18.0

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