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Note 7 - Employee Benefit Plans (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Apr. 30, 2014 | Jun. 30, 2014
Note 7 - Employee Benefit Plans (Details) [Line Items] |  |  |
Defined Benefit Plan, Contributions by Employer | $ 3.0 | $ 2.0 |
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year |  |  | 2.5
Defined Benefit Plan, Expected Contributions in Current Fiscal Year |  |  | 7.5
Unfunded Supplemental Executive Retirement Plan [Member] |  |  |
Note 7 - Employee Benefit Plans (Details) [Line Items] |  |  |
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year |  |  | $ 0.3

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- Definition The increase in the fair value of plan assets from contributions made by the employer. + 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 (b)(3) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Amount of the employer's best estimate of contributions expected to be paid to the plan in the current fiscal period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2709-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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