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Note 17 - Net Income Per Share Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] |  |  |  |  |
Income (Loss) from Continuing Operations Attributable to Parent |  | $ 45,193 | $ 103,537 | $ 136,920 | $ 249,517
Income (Loss) From Continuing Operations, Diluted, Amount |  | 48,900 | 109,040 | 144,300 | 260,475
Income from discontinued operations, net of tax |  | 4,855 | 71,296 | 5,385 | 128,075
Net Income (Loss) Available to Common Stockholders, Basic |  | 50,048 | 174,833 | 142,305 | 377,592
Net Income (Loss) Available to Common Stockholders, Diluted |  | $ 53,755 | $ 180,336 | $ 149,685 | $ 388,550
Weighted-average number of common shares outstanding—basic |  | 193,112 | 182,583 | 192,245 | 177,903
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | [1] | 3,364 | 2,861 | 3,211 | 2,822
Weighted-average number of common and common equivalent shares outstanding—diluted |  | 246,650 | 230,779 | 244,981 | 226,767
Net income from continuing operations |  | $ 0.23 | $ 0.57 | $ 0.71 | $ 1.40
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share |  | 0.03 | 0.39 | 0.03 | 0.72
Earnings Per Share, Basic |  | 0.26 | 0.96 | 0.74 | 2.12
Income (Loss) from Continuing Operations, Per Diluted Share |  | 0.20 | 0.47 | 0.59 | 1.15
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share |  | 0.02 | 0.31 | 0.02 | 0.56
Earnings Per Share, Diluted |  | $ 0.22 | $ 0.78 | $ 0.61 | $ 1.71
Convertible Debt [Member] | Convertible Senior Notes Due 2019 |  |  |  |  |
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] |  |  |  |  |
Interest on Convertible Debt, Net of Tax | [2] | $ 3,707 | $ 5,503 | $ 7,380 | $ 10,958
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities |  | 37,736 | 37,736 | 37,736 | 37,736
Convertible Debt [Member] | Convertible Senior Notes Due 2017 |  |  |  |  |
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] |  |  |  |  |
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities |  | 12,438 | 7,599 | 11,789 | 8,306
Stock Compensation Plan [Member] |  |  |  |  |
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  | 264 | 1,484 | 530 | 1,484
[1] | The following number of shares of our common stock equivalents issued under our stock-based compensation arrangements were not included in the calculation of net income per share because they were anti-dilutive: Three Months EndedJune 30, Six Months EndedJune 30,(in thousands)2015 2014 2015 2014Shares of common stock equivalents264 1,484 530 1,484
[2] | As applicable, includes coupon interest, amortization of discount and fees, and other changes in income or loss that would result from the assumed conversion.

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- Definition Amount of income (loss) from continuing operations after dilutive effect of adjustments and which are attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests and net of dilutive adjustments. + References No definition available. + Details
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