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WEIGHTED AVERAGE SHARE COUNTS (Tables)
12 Months Ended
Dec. 31, 2020
Weighted Average Share Counts  
Schedule of Diluted Shares Calculation

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

Year Ended December 31,

 

    

    

2020

    

2019

    

2018

 

Shares used in basic earnings per share calculation

 

46,647

 

46,373

 

46,064

Effect of dilutive securities:

Stock options

 

 

 

6

Restricted stock units

 

318

 

349

 

314

Performance-based restricted stock units

 

28

 

36

 

1

Total effects of dilutive securities

 

346

 

385

 

321

Shares used in dilutive earnings per share calculation

 

46,993

 

46,758

 

46,385