EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share of common stock as follows:

	Three Months Ended   September 30,				Nine Months Ended   September 30,
	2015		2014		2015		2014
Numerator for common earnings per share:
Net income	$	22,873	$	19,040	$	56,818	$	51,218
Numerator for basic and diluted earnings per share	$	22,873	$	19,040	$	56,818	$	51,218
Denominator for basic earnings per share:
Weighted average common shares outstanding	49,043		47,315		48,506		47,058
Effect of dilutive securities:
Stock options, RSUs and performance-based awards	3,301		2,514		3,249		2,472
Denominator for diluted earnings per share	52,344		49,829		51,755		49,530
Net income per share:
Basic	$	0.47	$	0.40	$	1.17	$	1.09
Diluted	$	0.44	$	0.38	$	1.10	$	1.03