Common and Common Equivalent Shares (Tables)

12 Months Ended

Dec. 31, 2019

Schedule of Calculation of Shares Used in Basic and Diluted Net Income Per Share

The calculation of shares used in the basic and diluted net income per share calculation for the years ended December 31, 2019, 2018, and 2017 is as follows (in thousands):


	Years Ended December 31,
	2019		2018		2017
Weighted average number of common shares outstanding		83,495		91,104		92,431
Weighted average number of dilutive common share equivalents (a)		—		502		527

Weighted average number of common and common equivalent shares outstanding		83,495		91,606		92,958

Antidilutive securities not included in the diluted net income per common share calculation		516		214		107

(a)	Due to a loss for the year ended December 31, 2019, no incremental shares are included because the effect would be antidilutive.