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Earnings Per Common Share
3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Earnings Per Common Share
Earnings Per Common Share
Basic earnings per share is computed as net income attributable to common shareholders divided by the weighted average number of common shares outstanding during the period. Diluted earnings per share include the dilutive effect of additional potential common shares issuable under stock options and unvested restricted shares computed using the treasury stock method. Earnings per share have been computed based on the following:
(Shares in thousands)
 
Three Months Ended
 
 
March 31, 2016
 
March 31, 2015
Weighted average number of shares outstanding:
 
 
 
 
Basic
 
43,063

 
46,294

Dilutive effect of options outstanding
 
840

 
676

Dilutive effect of unvested restricted shares
 
1

 
662

Diluted
 
43,904

 
47,632


The dilutive effect of stock options and unvested restricted shares are the only common stock equivalents for purposes of calculating diluted earnings per common share.
Weighted average anti-dilutive stock options and unvested restricted shares excluded from the computation of diluted earnings per share are as follows:
(Shares in thousands)
 
Three Months Ended
 
 
March 31, 2016
 
March 31, 2015
Anti-dilutive stock options
 
39

 
10

Anti-dilutive unvested restricted shares
 
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