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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Schedule of reconciliation of shares outstanding for basic and diluted earnings per share
The following is a reconciliation of weighted average shares outstanding for basic and diluted earnings per share:
(in thousands)For the Three Months Ended
June 30,
For the Six Months Ended
June 30,
2021202020212020
  
Shares outstanding for basic earnings per share85,325 85,134 85,427 85,282 
Shares outstanding for diluted earnings per share:
Shares outstanding for basic earnings per share85,325 85,134 85,427 85,282 
Dilutive effect of share-based payment awards1,329 1,268 1,367 1,286 
86,654 86,402 86,794 86,568 
Schedule of number of anti-dilutive stock options The following table presents information concerning those anti-dilutive awards and options:
(in thousands)For the Three Months Ended
June 30,
For the Six Months Ended
June 30,
2021202020212020
  
Weighted average number of shares underlying anti-dilutive awards11
Weighted average number of shares underlying anti-dilutive options135 270 102218