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Earnings per Share | 6 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
Earnings per Share | Note 9 - Earnings per Share Basic net income per common share is calculated by dividing net income available to common stockholders by the basic weighted-average common shares outstanding for the respective period. The Company’s earnings per share calculations reflect the impact of any repurchases of shares of common stock made by the Company. Diluted net income per common share is calculated by dividing adjusted net income by the diluted weighted-average common shares outstanding, which includes the effect of potentially dilutive securities. Potentially dilutive securities for this calculation consist of in-the-money outstanding stock options, unvested RSUs, and contingent PSUs. The treasury stock method is used to measure the dilutive impact of unvested RSUs, contingent PSUs, and in-the-money stock options. PSUs represent the right to receive, upon settlement of the PSUs after completion of the three-year performance period, a number of shares of the Company’s common stock that may range from 0% to 200% of the number of PSUs granted on the award date. The number of potentially dilutive shares related to PSUs is based on the number of shares, if any, that would be issuable at the end of the respective reporting period, assuming that date was the end of the contingency period applicable to such PSUs. For additional discussion on PSUs, please refer to Note 7 - Compensation Plans under the heading Performance Stock Units Under the Equity Incentive Compensation Plan. The following table sets forth the calculations of basic and diluted earnings per share:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
| (in thousands, except per share amounts)
Net income | $ | 59,780 |  |  | $ | 76,522 |  |  | $ | 125,387 |  |  | $ | 93,249 |
Basic weighted-average common shares outstanding | 67,069 |  |  | 66,295 |  |  | 67,063 |  |  | 66,254 |
Add: dilutive effect of stock options, unvested RSUs, and contingent PSUs | 1,170 |  |  | 1,598 |  |  | 1,117 |  |  | 1,457 |
Diluted weighted-average common shares outstanding | 68,239 |  |  | 67,893 |  |  | 68,180 |  |  | 67,711 |
Basic net income per common share | $ | 0.89 |  |  | $ | 1.15 |  |  | $ | 1.87 |  |  | $ | 1.41 |
Diluted net income per common share | $ | 0.88 |  |  | $ | 1.13 |  |  | $ | 1.84 |  |  | $ | 1.38 |

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