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Common and Common Equivalent Shares (Tables)
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
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, 2021, 2020, and 2019 is as follows (in thousands):

 

 

 

Years Ended December 31,

 

 

 

2021

 

 

2020

 

 

2019

 

Weighted average number of common
   shares outstanding

 

 

84,832

 

 

 

83,395

 

 

 

83,495

 

Weighted average number of dilutive common
   share equivalents
(a)

 

 

996

 

 

 

 

 

 

516

 

Weighted average number of common and common
    equivalent shares outstanding

 

 

85,828

 

 

 

83,395

 

 

 

84,011

 

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

 

 

11

 

 

 

1,034

 

 

 

516

 

 

(a)
Due to a loss from continuing operations for the year ended December 31, 2020, no incremental shares are included because the effect would be antidilutive.