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Note 17 - Net Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The calculation of the basic and diluted net income per share was as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands, except share and per share amounts) | 2015 |  | 2014 |  | 2015 |  | 2014
Net income from continuing operations: |  |  |  |  |  |  |
Net income from continuing operations - basic | $ | 70,091 |  |  | $ | 132,031 |  |  | $ | 207,011 |  |  | $ | 381,548 |
Adjustment for dilutive Convertible Senior Notes due 2019, net of tax (1) | 3,714 |  |  | 5,552 |  |  | 11,094 |  |  | 16,510 |
Net income from continuing operations - diluted | $ | 73,805 |  |  | $ | 137,583 |  |  | $ | 218,105 |  |  | $ | 398,058 |
Net income: |  |  |  |  |  |  |
Net income from continuing operations - basic | $ | 70,091 |  |  | $ | 132,031 |  |  | $ | 207,011 |  |  | $ | 381,548 |
Income from discontinued operations, net of tax | — |  |  | 21,559 |  |  | 5,385 |  |  | 149,634 |
Net income - basic | 70,091 |  |  | 153,590 |  |  | 212,396 |  |  | 531,182 |
Adjustment for dilutive Convertible Senior Notes due 2019, net of tax (1) | 3,714 |  |  | 5,552 |  |  | 11,094 |  |  | 16,510 |
Net income - diluted | $ | 73,805 |  |  | $ | 159,142 |  |  | $ | 223,490 |  |  | $ | 547,692 |
Average common shares outstanding - basic | 207,938 |  |  | 191,050 |  |  | 197,562 |  |  | 182,357 |
Dilutive effect of Convertible Senior Notes due 2017 | 1,798 |  |  | 6,342 |  |  | 8,620 |  |  | 7,665 |
Dilutive effect of Convertible Senior Notes due 2019 | 37,736 |  |  | 37,736 |  |  | 37,736 |  |  | 37,736 |
Dilutive effect of stock-based compensation arrangements (2) | 3,323 |  |  | 2,939 |  |  | 3,075 |  |  | 2,904 |
Adjusted average common shares outstanding - diluted | 250,795 |  |  | 238,067 |  |  | 246,993 |  |  | 230,662 |
Net income per share: |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |
Net income from continuing operations | $ | 0.34 |  |  | $ | 0.69 |  |  | $ | 1.05 |  |  | $ | 2.09 |
Income from discontinued operations | — |  |  | 0.11 |  |  | 0.03 |  |  | 0.82 |
Net income | $ | 0.34 |  |  | $ | 0.80 |  |  | $ | 1.08 |  |  | $ | 2.91 |
Diluted: |  |  |  |  |  |  |
Net income from continuing operations | $ | 0.29 |  |  | $ | 0.58 |  |  | $ | 0.88 |  |  | $ | 1.73 |
Income from discontinued operations | — |  |  | 0.09 |  |  | 0.02 |  |  | 0.64 |
Net income | $ | 0.29 |  |  | $ | 0.67 |  |  | $ | 0.90 |  |  | $ | 2.37 |
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(1) | As applicable, includes coupon interest, amortization of discount and fees, and other changes in income or loss that would result from the assumed conversion.
(2) | 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 Ended September 30, |  | Nine Months Ended September 30,
(in thousands) | 2015 |  | 2014 |  | 2015 |  | 2014
Shares of common stock equivalents | 469 |  | 557 |  | 730 |  | 557

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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