EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 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   June 30,				Six Months Ended   June 30,
	2015		2014		2015		2014
Numerator for common earnings per share:
Net income	$	19,231	$	14,814	$	33,945	$	32,178
Numerator for basic and diluted earnings per share	$	19,231	$	14,814	$	33,945	$	32,178
Denominator for basic earnings per share:
Weighted average common shares outstanding	48,584		47,068		48,237		46,933
Effect of dilutive securities:
Stock options, RSUs and performance-based awards	3,333		2,491		3,224		2,451
Denominator for diluted earnings per share	51,917		49,559		51,461		49,384
Net income per share:
Basic	$	0.40	$	0.31	$	0.70	$	0.69
Diluted	$	0.37	$	0.30	$	0.66	$	0.65