EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2014

Earnings per share calculation [Table Text Block]

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



	Three Months Ended
	March 31,
	2014		2013
Basic earnings per share:
Net income	$	12,363	$	10,903
Weighted-average common shares	30,239		28,754
Basic earnings per share	$	0.41	$	0.38
Diluted earnings per share (1):
Net income	$	12,363	$	10,903
Weighted-average common shares	30,239		28,754
Effect of dilutive securities:
Employee stock plans	928		1,029
Diluted weighted-average common shares	31,167		29,783
Diluted earnings per share	$	0.40	$	0.37

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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 calculation, respectively, as those shares were not contingently issuable as of the end of the period.