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Earnings Per Share | 6 Months Ended
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Jun. 30, 2015
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Common Share. Basic and diluted earnings per common share were calculated as follows (in thousands, except per share data):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Numerator: |  |  |  |  |  |  |
Net earnings | $ | 23,147 |  |  | $ | 17,681 |  |  | $ | 50,445 |  |  | $ | 44,947 |
Denominator: |  |  |  |  |  |  |
Weighted-average shares outstanding | 53,039 |  |  | 52,824 |  |  | 53,036 |  |  | 52,809 |
Effect of dilutive stock awards | 322 |  |  | 250 |  |  | 333 |  |  | 238 |
Weighted-average dilutive shares | 53,361 |  |  | 53,074 |  |  | 53,369 |  |  | 53,047 |
Basic earnings per share | $ | 0.44 |  |  | $ | 0.33 |  |  | $ | 0.95 |  |  | $ | 0.85 |
Diluted earnings per share | $ | 0.43 |  |  | $ | 0.33 |  |  | $ | 0.95 |  |  | $ | 0.85 |
For the three-month periods ended June 30, 2015 and 2014, the number of anti-dilutive stock awards that were outstanding but not included in the computation of diluted earnings per common share were 2,041,664 and 2,398,269, respectively. For the six-month periods ended June 30, 2015 and 2014, the number of anti-dilutive stock awards that were outstanding but not included in the computation of diluted earnings per common share were 2,041,664 and 2,418,436, respectively.

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