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Earnings per Share | 6 Months Ended
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Jun. 30, 2016
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 June 30, |  | For the Six Months Ended June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Weighted average common shares issued | 105,563,455 |  |  | 105,563,455 |  |  | 105,563,455 |  |  | 105,563,455 |
Average treasury stock shares | (16,620,341 | ) |  | (16,445,760 | ) |  | (16,621,717 | ) |  | (15,480,232 | )
Average unearned nonvested shares | (111,356 | ) |  | (195,303 | ) |  | (105,815 | ) |  | (189,561 | )
Weighted average common shares and common stock equivalents used to calculate basic earnings per share | 88,831,758 |  |  | 88,922,392 |  |  | 88,835,923 |  |  | 89,893,662 |
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share | 6,856 |  |  | 16,611 |  |  | 4,760 |  |  | 9,888 |
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share | 88,838,614 |  |  | 88,939,003 |  |  | 88,840,683 |  |  | 89,903,550 |
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 six months ended June 30 because to do so would have been antidilutive.
| 2016 |  | 2015
|  |  | Price Range |  |  |  | Price Range
| Shares |  | From |  | To |  | Shares |  | From |  | To
Restricted Stock | 81,887 |  |  | 7.57 |  |  | 9.84 |  |  | 146,933 |  |  | 5.26 |  |  | 9.26 |

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