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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2020
Earnings Per Share [Abstract] |
Computation of Basic and Diluted EPS | The computation of basic and diluted EPS is as follows (in thousands, except per share amounts):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 25,111 |  |  | $ | 27,800 |  |  | $ | 49,168 |  |  | $ | 37,951 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding—basic |  |  | 46,136 |  |  |  | 44,404 |  |  |  | 45,818 |  |  |  | 44,157 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase common stock |  |  | 2,177 |  |  |  | 2,901 |  |  |  | 2,312 |  |  |  | 2,926 |
Employee stock purchase plan shares |  |  | 83 |  |  |  | 143 |  |  |  | 100 |  |  |  | 133 |
Restricted stock |  |  | 258 |  |  |  | 380 |  |  |  | 254 |  |  |  | 357 |
Weighted-average shares outstanding—diluted |  |  | 48,654 |  |  |  | 47,828 |  |  |  | 48,484 |  |  |  | 47,573 |
Basic EPS |  | $ | 0.54 |  |  | $ | 0.63 |  |  | $ | 1.07 |  |  | $ | 0.86 |
Diluted EPS |  | $ | 0.52 |  |  | $ | 0.58 |  |  | $ | 1.01 |  |  | $ | 0.80 |
Anti-dilutive equity awards under stock-based award plans excluded from the determination of diluted EPS |  |  | 633 |  |  |  | 668 |  |  |  | 633 |  |  |  | 668 |

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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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