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Employee Benefit Plans and Other Postretirement Benefits (Schedule Of Expected Benefit Payments For Next Five Years And Thereafter) (Details) $ in Thousands | Dec. 31, 2017 USD ($)
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Pension Plan Assets |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
Expected benefit payments in 2018 | $ 90,510
Expected benefit payments in 2019 | 92,694
Expected benefit payments in 2020 | 95,930
Expected benefit payments in 2021 | 98,109
Expected benefit payments in 2022 | 102,258
Expected benefit payments Thereafter | 574,745
SERPA Benefits |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
Expected benefit payments in 2018 | 3,346
Expected benefit payments in 2019 | 2,325
Expected benefit payments in 2020 | 2,843
Expected benefit payments in 2021 | 3,294
Expected benefit payments in 2022 | 3,528
Expected benefit payments Thereafter | 27,719
Postretirement Health Coverage |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
Expected benefit payments in 2018 | 28,446
Expected benefit payments in 2019 | 28,309
Expected benefit payments in 2020 | 27,351
Expected benefit payments in 2021 | 26,175
Expected benefit payments in 2022 | 25,096
Expected benefit payments Thereafter | $ 120,438

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- Definition Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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