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Net Income Per Share
12 Months Ended
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,
 202120202019
Numerator:
Net income$231,063 $111,781 $321,012 
Denominator:
Weighted-average common shares outstanding - basic314,884 308,271 302,584 
Dilutive securities7,475 9,730 12,425 
Weighted-average common shares outstanding - diluted322,359 318,001 315,009 
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,
 
202120202019
Anti-dilutive securities and contingently issuable shares excluded14,305 10,959 9,111