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Common and Common Equivalent Shares (Tables)
9 Months Ended
Sep. 30, 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 common share calculation for the three and nine months ended September 30, 2021 and 2020 is as follows (in thousands):

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

 

 

2021

 

 

2020

 

 

2021

 

 

2020

 

Weighted average number of common shares outstanding

 

 

85,065

 

 

 

83,862

 

 

 

84,754

 

 

 

83,260

 

Weighted average number of dilutive common share
   equivalents (a)

 

 

1,031

 

 

 

 

 

 

1,005

 

 

 

 

Weighted average number of common and common
   equivalent shares outstanding

 

 

86,096

 

 

 

83,862

 

 

 

85,759

 

 

 

83,260

 

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

 

 

1

 

 

 

829

 

 

 

10

 

 

 

1,004

 

 

(a) Due to a loss from continuing operations for the three and nine months ended September 30, 2020, no incremental shares are included because the effect would be antidilutive.