Earnings Per Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table reconciles the numerators and denominators used in the calculation of basic and diluted earnings per share (EPS), adjusted for the 2 for 1 stock split effected in the form of a 100% stock dividend issued on December 31, 2014:

	Three Months Ended March 31,
	2015		2014
Numerators:
Numerator for both basic and diluted EPS, net income	$	77,183,441	$	68,566,071
Denominators:
Denominator for basic EPS, weighted-average shares outstanding	295,031,431		289,836,812
Potentially dilutive shares resulting from stock plans	3,562,712		3,600,202
Denominator for diluted EPS	298,594,143		293,437,014
Shares related to stock plans not included in diluted average common shares outstanding because their effect would be anti-dilutive	1,184,635		1,188,830