Common and Common Equivalent Shares
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Sep. 30, 2012
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Common and Common Equivalent Shares |
Basic net income per share is calculated by dividing net income by the weighted average number of common shares outstanding during the period. Diluted net income per share is calculated by dividing net income by the weighted average number of common and potential common shares outstanding during the applicable period. Potential common shares consist of outstanding options and non-vested restricted and deferred stock calculated using the treasury stock method. Under the treasury stock method, the Company includes the assumed excess tax benefits related to the potential exercise or vesting of its stock-based awards using the difference between the average market price for the applicable period less the option price, if any, and the fair value of the stock-based award on the date of grant multiplied by the applicable tax rate. The calculation of shares used in the basic and diluted net income per share calculation for the three and nine months ended September 30, 2012 and 2011 is as follows (in thousands):
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