Earnings per Share

6 Months Ended

Jun. 30, 2012

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 152,546 and 114,043 restricted shares for the three months ended June 30, 2012 and 2011, respectively and 205,876 and 106,536 restricted shares for the six months ended June 30, 2012 and 2011, respectively. The calculation of diluted earnings per share also included options to purchase 196,649 and 439,800 shares of common stock for the three months ended June 30, 2012 and 2011, respectively and 246,865 and 496,136 for the six months ended June 30, 2012 and 2011, respectively.