Earnings Per Share

9 Months Ended

Sep. 30, 2016

The following table reconciles the numerators and denominators used in the calculation of basic and diluted earnings per share (EPS):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Numerators:
Numerator for both basic and diluted EPS, net income	$	92,064,646	$	78,332,425	$	258,829,882	$	230,074,303
Denominators:
Denominator for basic EPS, weighted-average shares outstanding	287,736,638		292,589,866		288,466,905		293,742,028
Potentially dilutive shares resulting from stock plans	2,717,187		2,787,612		2,557,758		3,252,544
Denominator for diluted EPS	290,453,825		295,377,478		291,024,663		296,994,572

Shares related to stock plans not included in diluted average common shares outstanding because their effect would be anti-dilutive	1,818,032		3,756,396		4,193,947		1,611,900