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Net Income Per Share (Tables)
9 Months Ended
Sep. 30, 2020
Earnings Per Share [Abstract]  
Schedule Of Earnings Per Share Basic And Diluted
The following table sets forth the computation of basic and diluted net income per share attributable to common stock (in thousands, except per share amounts): 
 Three Months Ended
September 30,
Nine Months Ended
September 30,
 2020201920202019
Numerator:
Net income$139,371 $102,524 $1,616,900 $321,514 
Denominator:
Weighted average common shares outstanding, basic78,824 79,332 78,729 79,709 
Dilutive effect of potential common stock339 493 349 688 
Total shares, diluted79,163 79,825 79,078 80,397 
Net income per share, basic$1.77 $1.29 $20.54 $4.03 
Net income per share, diluted$1.76 $1.28 $20.45 $4.00 
Anti-dilutive potential common shares 1
65 398 66 25 

1 Represents RSUs and MSUs not included in the calculation of diluted net income per share as the effect would have been anti-dilutive.