WEIGHTED AVERAGE SHARE COUNTS

12 Months Ended

Dec. 31, 2021

Weighted Average Share Counts

NET INCOME PER SHARE

(18)WEIGHTED AVERAGE SHARE COUNTS

The following table sets forth the computation of basic and diluted shares for the periods indicated (in thousands):

	Year Ended December 31,
	2021	2020	2019
Shares used in basic earnings per share calculation	46,890	46,647	46,373
Effect of dilutive securities:
Restricted stock units	468	318	349
Performance-based restricted stock units	28	28	36
Total effects of dilutive securities	496	346	385
Shares used in dilutive earnings per share calculation	47,386	46,993	46,758

For the years ended December 31, 2021, 2020 and 2019, restricted stock units of 124 thousand, 8 thousand, and 28 thousand, respectively, were outstanding but not included in the computation of diluted net income per share because the effect would have been anti-dilutive.