EARNINGS PER SHARE

9 Months Ended

Sep. 30, 2018

The following table sets forth the computation of basic and diluted earnings per share:



	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Numerator:
Net income	$	70,539	$	106,126	$	200,227	$	223,322
Denominator (shares in 000's):
Basic weighted average shares outstanding	64,821		65,806		65,245		65,769
Effect of dilutive securities - Stock options and awards	831		896		810		910
Diluted weighted average shares outstanding	65,652		66,702		66,055		66,679
Basic earnings per share	$	1.09	$	1.61	$	3.07	$	3.40
Diluted earnings per share	$	1.07	$	1.59	$	3.03	$	3.35

For the three months ended September 30, 2018 and 2017, common shares subject to equity-based awards of 346,168 and 182,615, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive. For the nine months ended September 30, 2018 and 2017, common shares subject to equity-based awards of 317,528 and 807,763, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive.