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Net Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Basic and Diluted Net Income Per Share | The basic and diluted net income per share calculations for the three and nine months ended September 30, 2021 and 2020 were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (In thousands, except per share data)
Net income | $ | 29,317 |  |  | $ | 8,805 |  |  | $ | 63,868 |  |  | $ | 15,817 |
Weighted-average shares outstanding – basic | 43,648 |  |  | 42,802 |  |  | 43,293 |  |  | 42,606 |
Effect of dilutive securities from stock award plans | 2,087 |  |  | 889 |  |  | 2,086 |  |  | 1,045 |
Effect of convertible senior notes | 2,156 |  |  | — |  |  | 1,816 |  |  | — |
Effect of warrants | 450 |  |  | — |  |  | — |  |  | — |
Weighted-average shares outstanding – diluted | 48,341 |  |  | 43,691 |  |  | 47,195 |  |  | 43,651 |
Net income per share – basic | $ | 0.67 |  |  | $ | 0.21 |  |  | $ | 1.48 |  |  | $ | 0.37 |
Net income per share – diluted | $ | 0.61 |  |  | $ | 0.20 |  |  | $ | 1.35 |  |  | $ | 0.36 |
Anti-dilutive weighted-average shares related to stock award plans | 64 |  |  | 2,328 |  |  | 199 |  |  | 2,076 |
Anti-dilutive weighted-average shares related to convertible senior notes and warrants | — |  |  | 11,816 |  |  | 5,908 |  |  | 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=124432515&loc=d3e3550-109257 + Details
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