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Earnings (Loss) Per Share | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Earnings (Loss) Per Share | 13. EARNINGS (LOSS) PER SHARE Basic earnings (loss) per ordinary share is calculated based upon net income (loss) available to holders of ordinary shares divided by the weighted average number of shares outstanding. For the calculation of diluted earnings (loss) per ordinary share, the Company uses the weighted average number of ordinary shares outstanding, as adjusted for the effect of potential outstanding shares, including stock options and restricted stock unit awards.
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
(In thousands) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 2,364 |  |  | $ | (29,431 | ) |  | $ | (20,054 | ) |  | $ | (68,085 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of ordinary shares outstanding |  |  | 160,817 |  |  |  | 158,895 |  |  |  | 160,229 |  |  |  | 158,495 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 461 |  |  |  | — |  |  |  | — |  |  |  | — |
Restricted stock units |  |  | 2,659 |  |  |  | — |  |  |  | — |  |  |  | — |
Dilutive ordinary share equivalents |  |  | 3,120 |  |  |  | — |  |  |  | — |  |  |  | — |
Shares used in calculating diluted earnings (loss) per share |  |  | 163,937 |  |  |  | 158,895 |  |  |  | 160,229 |  |  |  | 158,495 |
The following potential ordinary share equivalents have not been included in the net earnings (loss) per ordinary share calculations because the effect would have been anti-dilutive:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
(In thousands) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Stock options |  |  | 15,465 |  |  |  | 16,882 |  |  |  | 15,265 |  |  |  | 15,375 |
Restricted stock unit awards |  |  | 596 |  |  |  | 4,683 |  |  |  | 3,189 |  |  |  | 4,226 |
Total |  |  | 16,061 |  |  |  | 21,565 |  |  |  | 18,454 |  |  |  | 19,601 |

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