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Retirement Plans And Postretirement Benefits (Retirement Plan Weighted Average Asset Allocations) (Details) | Dec. 31, 2018
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U.S. [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Weighted average asset allocations | 100.00%
U.S. [Member] | Equity Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Weighted average asset allocations | 20.00%
U.S. [Member] | Fixed Income Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Weighted average asset allocations | 80.00%
Foreign [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Weighted average asset allocations | 100.00%
Foreign [Member] | Equity Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Weighted average asset allocations | 0.00%
Foreign [Member] | Fixed Income Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Weighted average asset allocations | 100.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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