Common and Common Equivalent Shares:

3 Months Ended

Mar. 31, 2014

7.	Common and Common Equivalent Shares:

Basic net income per common 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 stock 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 common share calculation for the three months ended March 31, 2014 and 2013 is as follows (in thousands):


	Three Months Ended March 31,
	2014		2013
Weighted average number of common shares outstanding		99,076		98,618
Weighted average number of dilutive common share equivalents		1,620		2,166

Weighted average number of common and common equivalent shares outstanding		100,696		100,784

Antidilutive securities not included in the dilutive earnings per share calculation		1,133		—

- Definition

The entire disclosure for earnings per share.

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