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Net Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Basic and Diluted Net Income (Loss) Per Share | The basic and diluted net income per share calculations for the three and nine months ended September 30, 2020 and 2019 were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
| (In thousands, except per share data)
Net income | $ | 8,805 |  |  | $ | 19,983 |  |  | $ | 15,817 |  |  | $ | 39,243 |
Weighted-average shares outstanding - basic | 42,802 |  |  | 41,771 |  |  | 42,606 |  |  | 41,283 |
Effect of dilutive securities from stock award plans | 889 |  |  | 1,281 |  |  | 1,045 |  |  | 1,513 |
Effect of dilutive convertible senior notes and warrants | — |  |  | — |  |  | — |  |  | — |
Weighted-average shares outstanding - diluted | 43,691 |  |  | 43,052 |  |  | 43,651 |  |  | 42,796 |
Net income per share - basic | $ | 0.21 |  |  | $ | 0.48 |  |  | $ | 0.37 |  |  | $ | 0.95 |
Net income per share - diluted | $ | 0.20 |  |  | $ | 0.46 |  |  | $ | 0.36 |  |  | $ | 0.92 |
Anti-dilutive weighted-average shares related to stock award plans | 2,328 |  |  | 1,060 |  |  | 2,076 |  |  | 832 |
Anti-dilutive weighted-average shares related to convertible senior notes and warrants | 11,816 |  |  | — |  |  | 11,816 |  |  | — |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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