NET INCOME PER SHARE (TABLES)

6 Months Ended

Jun. 30, 2015

NET INCOME PER SHARE [Abstract]

Schedule of Diluted Shares Calculation

				Three months ended June 30,		Six Months Ended June 30,
				2015	2014	2015	2014
Shares used in basic earnings per share calculation				48,325	49,351	48,347	49,696
	Effect of dilutive securities:
		Stock options		397	425	392	419
		Restricted stock units		321	335	358	421
		Performance-based restricted stock units		21	-	16	-
			Total effects of dilutive securities	739	760	766	840
Shares used in dilutive earnings per share calculation				49,064	50,111	49,113	50,536