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Calculation Of Net Income Per Share
12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Calculation Of Net Income Per Share Attributable To Verisign Stockholders
Calculation of Earnings per Share
The following table presents the computation of weighted-average shares used in the calculation of basic and diluted earnings per share:
 
Year Ended December 31,
 
2018
 
2017
 
2016
 
(In thousands)
Weighted-average shares of common stock outstanding
113,452

 
100,325

 
107,001

Weighted-average potential shares of common stock outstanding:
 
 
 
 
 
Conversion spread related to Subordinated Convertible Debentures
8,589

 
23,247

 
21,074

Unvested RSUs, and ESPP
620

 
608

 
758

Shares used to compute diluted earnings per share
122,661

 
124,180

 
128,833


The dilutive impact of the conversion spread related to the Subordinated Convertible Debentures is included in the calculation for 2018, on a weighted-average basis for the period prior to conversion. The calculation of diluted weighted average shares outstanding, excludes potentially dilutive securities, the effect of which would have been anti-dilutive, as well as performance based RSUs granted by the Company for which the relevant performance criteria have not been achieved. The number of potential shares excluded from the calculation was not significant in any period presented.