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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 sets forth the computation of basic and diluted earnings per share, for the periods indicated:
(In thousands, except per share amounts) | Quarter Ended |  | Six Months Ended
June 30, 2016 |  | June 30, 2015 |  | June 30, 2016 |  | June 30, 2015
Numerator: |  |  |  |  |  |  |
Net income | $ | 5,377 |  |  | $ | 13,554 |  |  | $ | 20,305 |  |  | $ | 27,197 |
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares outstanding - basic | 18,007 |  |  | 18,627 |  |  | 17,986 |  |  | 18,551 |
Effect of dilutive shares | 246 |  |  | 429 |  |  | 248 |  |  | 452 |
Weighted-average shares outstanding - diluted | 18,253 |  |  | 19,056 |  |  | 18,234 |  |  | 19,003 |
Basic earnings per share | $ | 0.30 |  |  | $ | 0.73 |  |  | $ | 1.13 |  |  | $ | 1.47 |
Diluted earnings per share | $ | 0.29 |  |  | $ | 0.71 |  |  | $ | 1.11 |  |  | $ | 1.43 |
Certain potential options to purchase shares were excluded from the calculation of diluted weighted-average shares outstanding because the exercise price was greater than the average market price of our capital stock during the year. For the quarter ended June 30, 2016, 13,500 shares were excluded. For the quarter ended June 30, 2015, no shares were excluded.

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