EARNINGS PER SHARE

6 Months Ended

Jun. 30, 2018

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



	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Numerator:
Net income	$	68,864	$	61,352	$	129,688	$	117,196
Denominator (shares in 000's):
Basic weighted average shares outstanding	65,337		65,811		65,458		65,750
Effect of dilutive securities - Stock options and awards	784		932		799		916
Diluted weighted average shares outstanding	66,121		66,743		66,257		66,666
Basic earnings per share	$	1.05	$	0.93	$	1.98	$	1.78
Diluted earnings per share	$	1.04	$	0.92	$	1.96	$	1.76

For the three months ended June 30, 2018 and 2017, common shares subject to equity-based awards of 346,168 and 179,178, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive. For the six months ended June 30, 2018 and 2017, common shares subject to equity-based awards of 303,207 and 133,748, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive.