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WEIGHTED AVERAGE SHARES OUTSTANDING
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
WEIGHTED AVERAGE SHARES OUTSTANDING
NOTE 7 – WEIGHTED AVERAGE SHARES OUTSTANDING

Earnings per share have been computed based on the following weighted average number of common shares outstanding:

 Three Months Ended
June 30,
Six Months Ended
June 30,
(share data in thousands)2021202020212020
Average common shares outstanding69,497 69,192 69,448 69,235 
Common share equivalents:    
Stock options64 74 33 
Nonvested restricted share grants151 75 153 130 
Performance stock units80 17 90 15 
Average common shares outstanding, assuming dilution69,792 69,293 69,765 69,413 

For the three and six-month periods ended June 30, 2021, there were no outstanding options exerciseable for common shares with strike prices that would cause the underlying shares to be anti-dilutive. For the three and six-month periods ended June 30, 2020, there were outstanding 252,765 and 56,000 options exerciseable for common shares, respectively, with strike prices that would cause the underlying shares to be anti-dilutive.