NET INCOME PER SHARE (TABLES)

3 Months Ended

Mar. 31, 2017

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,
	2017	2016
Shares used in basic earnings per share calculation	45,950	48,368
Effect of dilutive securities:
Stock options	6	18
Restricted stock units	342	347
Performance-based restricted stock units	17	13
Total effects of dilutive securities	365	378
Shares used in dilutive earnings per share calculation	46,315	48,746