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- Definition

Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

+ 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 (d)(i)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

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-Section 50

-Paragraph 5

-Subparagraph (c)(i)

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Target allocation minimum percentage of investments of this type to total plan assets presented on a weighted average basis.

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

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-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Benefit Plans, Allocation of Plan Assets (Details)																	12 Months Ended
Benefit Plans, Allocation of Plan Assets (Details)	Dec. 31, 2013 Retirement Plan [Member]	Dec. 31, 2012 Retirement Plan [Member]	Dec. 31, 2013 Retirement Plan [Member] Equity securities [Member]	Dec. 31, 2012 Retirement Plan [Member] Equity securities [Member]	Dec. 31, 2013 Retirement Plan [Member] Debt securities [Member]	Dec. 31, 2012 Retirement Plan [Member] Debt securities [Member]	Dec. 31, 2013 Retirement Plan [Member] Other [Member]	Dec. 31, 2012 Retirement Plan [Member] Other [Member]	Dec. 31, 2013 Post-Retirement Benefits Plan [Member]	Dec. 31, 2012 Post-Retirement Benefits Plan [Member]	Dec. 31, 2013 Post-Retirement Benefits Plan [Member] Equity securities [Member]	Dec. 31, 2012 Post-Retirement Benefits Plan [Member] Equity securities [Member]	Dec. 31, 2013 Post-Retirement Benefits Plan [Member] Debt securities [Member]	Dec. 31, 2012 Post-Retirement Benefits Plan [Member] Debt securities [Member]	Dec. 31, 2013 Post-Retirement Benefits Plan [Member] Other [Member]	Dec. 31, 2012 Post-Retirement Benefits Plan [Member] Other [Member]	Dec. 31, 2013 Pension and Postretirement Plans [Member] Equity securities [Member]	Dec. 31, 2013 Pension and Postretirement Plans [Member] Debt securities [Member]	Dec. 31, 2013 Pension and Postretirement Plans [Member] Other [Member]
Major categories of pension and postretirement benefit plan assets: [Abstract]
Total asset allocation (in hundredths)	100.00%	100.00%	69.00%	65.00%	26.00%	29.00%	5.00%	6.00%	100.00%	100.00%	68.00%	64.00%	27.00%	28.00%	5.00%	8.00%
Assets target allocations [Abstract]
Prescribed target allocations range, minimum (in hundredths)																	50.00%	25.00%	0.00%
Prescribed target allocation range, maximum (in hundredths)																	70.00%	40.00%	10.00%