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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=28361610&loc=d3e1928-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920

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

+ References

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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=28361610&loc=d3e2446-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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Note 10 - Retirement and Postretirement Plans (Details) - Asset Allocation for Company’s Funded Retirement Plans	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 10 - Retirement and Postretirement Plans (Details) - Asset Allocation for Company’s Funded Retirement Plans [Line Items]
Percentage of Plan Assets at Year End		100.00%	100.00%
Equity Securities [Member]
Note 10 - Retirement and Postretirement Plans (Details) - Asset Allocation for Company’s Funded Retirement Plans [Line Items]
Asset allocation Range, Minimum	60.00%
Asset allocation Range, Maximum	75.00%
Percentage of Plan Assets at Year End		71.00%	60.00%
Fixed Income Securities/Cash [Member]
Note 10 - Retirement and Postretirement Plans (Details) - Asset Allocation for Company’s Funded Retirement Plans [Line Items]
Asset allocation Range, Minimum	25.00%
Asset allocation Range, Maximum	40.00%
Percentage of Plan Assets at Year End		29.00%	40.00%