EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted earnings per share

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Numerator:
Net income	$	85,452	$	68,864	$	156,932	$	129,688
Denominator (shares in 000's):
Basic weighted average shares outstanding	62,305		65,337		62,733		65,458
Effect of dilutive securities - Stock options and awards	665		784		686		799
Diluted weighted average shares outstanding	62,970		66,121		63,419		66,257
Basic earnings per share	$	1.37	$	1.05	$	2.50	$	1.98
Diluted earnings per share	$	1.36	$	1.04	$	2.47	$	1.96