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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Summary of Basic and Diluted Earnings Per Share |
(in thousands, except per share amounts) | 2019 |  | 2018 |  | 2017
Basic |  |  |  |  |
Net (loss) income | $ | (90,433 | ) |  | $ | 10,617 |  |  | $ | 98,548 |
Weighted-average common shares outstanding | 79,055 |  |  | 78,564 |  |  | 77,431 |
(Loss) earnings per share, basic | $ | (1.14 | ) |  | $ | 0.14 |  |  | $ | 1.27 |
Diluted |  |  |  |  |
Net (loss) income | $ | (90,433 | ) |  | $ | 10,617 |  |  | $ | 98,548 |
Weighted-average effect of dilutive securities: |  |  |  |  |
Stock options | — |  |  | 2,891 |  |  | 3,471 |
RSUs | — |  |  | 1,609 |  |  | 1,930 |
Effect of dilutive securities | — |  |  | 4,500 |  |  | 5,401 |
Weighted-average common shares outstanding, assuming dilution | 79,055 |  |  | 83,064 |  |  | 82,832 |
(Loss) earnings per share, diluted | $ | (1.14 | ) |  | $ | 0.13 |  |  | $ | 1.19 |
Outstanding anti-dilutive stock options and RSUs (1) | 5,911 |  |  | 188 |  |  | 221 |
(1) Certain outstanding stock options and RSUs were excluded from the computation of diluted earnings per share because they were anti-dilutive in the period presented. These awards may be dilutive in the future.

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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://fasb.org/us-gaap/role/ref/legacyRef -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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