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Retirement Plans And Postretirement Benefits (Retirement Plan Weighted Average Asset Allocations) (Details)	Dec. 31, 2018
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

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