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Net Income (Loss) Per Share | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
NET INCOME (LOSS) PER SHARE | NET INCOME (LOSS) PER SHARE Basic net income (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share reflects the potential dilution that would occur if securities or other contracts to issue common stock were exercised or converted into common stock. For the years ended December 31, 2017, 2016, and 2015, 653,354, 386,771 and 3,239,425 common stock equivalents, respectively, related to equity-based awards were not included in the diluted earnings per share calculation as the shares would be antidilutive. The 3.25% Convertible Senior Notes (“Convertible Notes”) were not included in the computation of diluted net income (loss) per share for the year ended December 31, 2015 because there was no excess value upon conversion over the principal amount of the Convertible Notes. The outstanding Convertible Notes were redeemed in the third quarter of 2016.
| Year ended December 31,
In thousands except per share amounts | 2017 |  | 2016 |  | 2015
Net income (loss) available to common stockholders: |  |  |  |  |
Income (loss) from continuing operations | $ | 10,925 |  |  | $ | 22,435 |  |  | $ | (287,811 | )
Income (loss) from discontinued operations | (12,244 | ) |  | 32,917 |  |  | (79,372 | )
| $ | (1,319 | ) |  | $ | 55,352 |  |  | $ | (367,183 | )
Weighted average shares: |  |  |  |  |
Basic | 180,096 |  |  | 159,853 |  |  | 129,639 |
Effect of stock-based compensation plans | 4,048 |  |  | 3,606 |  |  | — |
Diluted | 184,144 |  |  | 163,459 |  |  | 129,639 |
Basic income (loss) per share: |  |  |  |  |
Income (loss) from continuing operations | $ | 0.06 |  |  | $ | 0.14 |  |  | $ | (2.22 | )
Income (loss) from discontinued operations | (0.07 | ) |  | 0.21 |  |  | (0.61 | )
Basic | $ | (0.01 | ) |  | $ | 0.35 |  |  | $ | (2.83 | )
Diluted income (loss) per share: |  |  |  |  |
Income (loss) from continuing operations | $ | 0.06 |  |  | $ | 0.14 |  |  | $ | (2.22 | )
Income (loss) from discontinued operations | (0.07 | ) |  | 0.20 |  |  | (0.61 | )
Diluted | $ | (0.01 | ) |  | $ | 0.34 |  |  | $ | (2.83 | )

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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