Retirement Plans (Summary Of Expected Federal Subsidy) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Year one	$ 0	$ 0
Year two	0	0
Year three	0	0
Year four	0	0
Year five	0	0
Next five years	0	0
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Year one	0	0
Year two	0	0
Year three	0	0
Year four	0	0
Year five	0	0
Next five years	0	0
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Year one	(11)	(13)
Year two	(11)	(13)
Year three	(11)	(13)
Year four	(12)	(12)
Year five	(12)	(12)
Next five years	$ (55)	$ (55)

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Amount of the prescription drug subsidy receipts to be received after the fifth fiscal year following the 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=28361610&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 60

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964

+ Details

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Amount of the prescription drug subsidy receipts to be received in the next fiscal year following the latest fiscal year.

+ References

+ Details

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Amount of the prescription drug subsidy receipts to be received in the fifth fiscal year following the latest fiscal year.

+ References

+ Details

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Amount of the prescription drug subsidy receipts to be received in the fourth fiscal year following the latest fiscal year.

+ References

+ Details

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Amount of the prescription drug subsidy receipts to be received in the third fiscal year following the latest fiscal year.

+ References

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Amount of the prescription drug subsidy receipts to be received in the second fiscal year following the latest fiscal year.

+ References

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