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Earnings per Share
 9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Earnings per Share
Earnings per Share
The following table summarizes the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computations:
 
For the Three Months Ended September 30,
 
For the Nine Months Ended September 30,
 
2017
 
2016
 
2017
 
2016
Weighted average common shares issued
113,914,902

 
105,563,455

 
111,100,495

 
105,563,455

Average treasury stock shares
(16,436,228
)
 
(16,609,505
)
 
(16,465,984
)
 
(16,617,616
)
Average unearned nonvested shares
(75,858
)
 
(99,502
)
 
(98,039
)
 
(103,696
)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share
97,402,816

 
88,854,448

 
94,536,472

 
88,842,143

Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share
54,654

 
3,756

 
42,018

 
1,796

Weighted average common shares and common stock equivalents used to calculate diluted earnings per share
97,457,470

 
88,858,204

 
94,578,490

 
88,843,939


The following table shows the number of shares and the price per share related to common stock equivalents that were not included in the computation of diluted earnings per share for the nine months ended September 30 because to do so would have been antidilutive.
 
2017
 
2016
 
 
 
Price Range
 
 
 
Price Range
 
Shares
 
From
 
To
 
Shares
 
From
 
To
Restricted Stock
22,802

 
$
8.55

 
$
13.96

 
72,432

 
$
8.38

 
$
10.09

Restricted Stock Units
22,750

 
$
15.09

 
$
15.09

 
—

 
$
—

 
$
—