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Earnings per Share
6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings per Share
Net earnings are divided by the weighted average number of shares outstanding during the period to calculate basic earnings per share. Diluted earnings per share are calculated to give effect to stock options and other stock-based awards. The calculation of diluted earnings per share included 185,255 and 286,279 restricted shares for the three months ended June 30, 2014 and 2013, respectively, and 222,486 and 273,563 restricted shares for the six months ended June 30, 2014 and 2013, respectively. The calculation of diluted earnings per share also included options to purchase 144,517 and 174,843 shares of common stock for the three months ended June 30, 2014 and 2013, respectively, and 151,160 and 186,661 shares of common stock for the six months ended June 30, 2014 and 2013, respectively.