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WEIGHTED AVERAGE SHARES OUTSTANDING
9 Months Ended
Sep. 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
September 30,
Nine Months Ended
September 30,
(share data in thousands)2021202020212020
Average common shares outstanding69,440 69,231 69,445 69,243 
Common share equivalents:    
Stock options49 65 22 
Nonvested restricted share grants142 85 143 122 
Performance stock units125 25 119 16 
Average common shares outstanding, assuming dilution69,756 69,346 69,772 69,403 

For the three and nine-month periods ended September 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 nine-month periods ended September 30, 2020, there were outstanding 252,765 and 253,765 options exerciseable for common shares, respectively, with strike prices that would cause the underlying shares to be anti-dilutive.