NET INCOME PER SHARE (TABLES)

3 Months Ended

Mar. 31, 2016

NET INCOME PER SHARE [Abstract]

Schedule of Diluted Shares Calculation

The following table sets forth the computation of basic and diluted shares for the periods indicated (in thousands):

	Three Months Ended March 31,
	2016	2015
Shares used in basic earnings per share calculation	48,368	48,370
Effect of dilutive securities:
Stock options	18	384
Restricted stock units	347	401
Performance-based restricted stock units	13	3
Total effects of dilutive securities	378	788
Shares used in dilutive earnings per share calculation	48,746	49,158