EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2014

A summary of the earnings per share calculation is as follows (in thousands, except per share amounts):



	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
Basic earnings per share:
Net income	$	16,716	$	13,672	$	29,079	$	24,575
Weighted-average common shares	30,310		29,178		30,275		28,967
Basic earnings per share	$	0.55	$	0.47	$	0.96	$	0.85
Diluted earnings per share (1):
Net income	$	16,716	$	13,672	$	29,079	$	24,575
Weighted-average common shares	30,310		29,178		30,275		28,967
Effect of dilutive securities:
Employee stock plans	800		980		875		1,010
Diluted weighted-average common shares	31,110		30,158		31,150		29,977
Diluted earnings per share	$	0.54	$	0.45	$	0.93	$	0.82

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(1)

The Company includes the shares underlying performance-based awards in the calculation of diluted earnings per share if the performance conditions have been satisfied as of the end of the reporting period and excludes such shares when the necessary conditions have not been met. The Company has excluded the shares underlying the 2014 and 2013 awards in the 2014 and 2013 calculations, respectively, as those shares were not contingently issuable as of the end of the period.