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Net Income Per Share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Net Income Per Share | NET INCOME PER SHARE Net income per share - basic and diluted, were computed as follows (in thousands, except per share amounts):
|  |  | Year Ended December 31,
|  |  |  |  | 2021 |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |  |  |  |
Net income |  |  |  |  | $ | 231,063 |  |  | $ | 111,781 |  |  | $ | 321,012 |
Denominator: |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding - basic |  |  |  |  | 314,884 |  |  | 308,271 |  |  | 302,584 |
Dilutive securities |  |  |  |  | 7,475 |  |  | 9,730 |  |  | 12,425 |
Weighted-average common shares outstanding - diluted |  |  |  |  | 322,359 |  |  | 318,001 |  |  | 315,009 |
Net income per share - basic |  |  |  |  | $ | 0.73 |  |  | $ | 0.36 |  |  | $ | 1.06 |
Net income per share - diluted |  |  |  |  | $ | 0.72 |  |  | $ | 0.35 |  |  | $ | 1.02 |
Dilutive securities included outstanding stock options, unvested RSUs and PSUs and ESPP contributions. Certain potential common shares were excluded from our calculation of weighted-average common shares outstanding - diluted because either they would have had an anti-dilutive effect on net income per share or they were related to shares from PSUs that were contingently issuable and the contingency had not been satisfied at the end of the reporting period. See “Note 8. Employee Benefit Plans” for a further description of our equity awards. The weighted-average potential common shares excluded from our calculation were as follows (in thousands):
|  |  | Year Ended December 31,
|  |  |  |  | 2021 |  | 2020 |  | 2019
Anti-dilutive securities and contingently issuable shares excluded |  |  |  |  | 14,305 |  |  | 10,959 |  |  | 9,111 |

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