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Note 17 - Net Income (Loss) Per Share Net Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |
Net income (loss) | $ 153,590 |  | $ (12,682) |  | $ 531,182 |  | $ (233,354) |
Net income (loss) after assumed conversion of convertible debt | 159,142 |  | (12,682) |  | 547,692 |  | (233,354) |
Average common shares outstanding—basic | 191,050,000 |  | 171,830,000 |  | 182,357,000 |  | 162,828,000 |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | 2,939,000 | [1] | 0 | [1] | 2,904,000 | [1] | 0 | [1]
Adjusted shares outstanding—diluted | 238,067,000 |  | 171,830,000 |  | 230,662,000 |  | 162,828,000 |
Basic net income (loss) per share | $ 0.80 |  | $ (0.07) |  | $ 2.91 |  | $ (1.43) |
Diluted net income (loss) per share | $ 0.67 |  | $ (0.07) |  | $ 2.37 |  | $ (1.43) |
Stock Compensation Plan [Member] |  |  |  |  |  |  |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 557,240 |  |  |  | 557,240 |  |  |
Stock Compensation Plan and Convertible Debt Securities [Member] |  |  |  |  |  |  |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  | 43,289,967 |  |  |  | 43,289,967 |
Convertible Debt [Member] | Convertible Senior Notes Due 2017 |  |  |  |  |  |  |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities | 6,342,000 |  | 0 |  | 7,665,000 |  | 0 |
Convertible Debt [Member] | Convertible Senior Notes Due 2019 |  |  |  |  |  |  |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |
Adjustment for interest expense incurred on assumed conversion of convertible debt, net | $ 5,552 | [2] | $ 0 | [2] | $ 16,510 | [2] | $ 0 | [2]
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities | 37,736,000 |  | 0 |  | 37,736,000 |  | 0 |
[1] | For the three and nine months ended September 30, 2014, 557,240 shares of our common stock equivalents issued under our stock-based compensation arrangements were not included in the calculation of diluted net income per share as of such date because they were anti-dilutive. As a result of our net loss for the three and nine months ended September 30, 2013, 43,289,967 shares of our common stock equivalents issued under our stock-based compensation arrangements and convertible debt were not included in the calculation of diluted net loss per share as of such date because they were anti-dilutive.
[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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