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Note 17 - Stock Repurchase Program (Details Textual) - February 2016 Repurchase Program [Member] - USD ($) $ / shares in Thousands, $ in Millions | Feb. 01, 2016 | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 45,000,000 |  |
Treasury Stock, Shares, Acquired | 1,380,578 |  |
Treasury Stock, Value, Acquired, Cost Method | $ 37.5 |  |
Treasury Stock Acquired, Average Cost Per Share | $ 27,130 |  |
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased |  | 7,500,000 | 7,500,000

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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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