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Note 7 - Deferred Compensation and Long-term Incentive Plans (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Note 7 - Deferred Compensation and Long-term Incentive Plans (Details) [Line Items] |  |
Deferred Compensation Arrangement with Individual, Employer Contribution | $ 2.1 |
Guaranteed Return | 5.25% |
Deferred Compensation Liability, Classified, Noncurrent | $ 9.4 | $ 7.1
Minimum [Member] |  |
Note 7 - Deferred Compensation and Long-term Incentive Plans (Details) [Line Items] |  |
Deferred Compensation Arrangement with Individual, Requisite Service Period | 1 year |
Maximum [Member] |  |
Note 7 - Deferred Compensation and Long-term Incentive Plans (Details) [Line Items] |  |
Deferred Compensation Arrangement with Individual, Requisite Service Period | 7 years |

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- Definition The annual return percentage guaranteed on balances in an employee's deferred compensation account + References No definition available. + Details
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- Details
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- Definition The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement. + References No definition available. + Details
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- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). + References No definition available. + Details
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