NET INCOME PER SHARE (TABLES)

12 Months Ended

Dec. 31, 2010

NET INCOME PER SHARE [Abstract]

Schedule of Diluted Shares Calculation

				Year Ended December 31,
				2012	2011	2010
Shares used in basic earnings per share calculation				54,738	56,669	60,361
	Effect of dilutive securities:
		Stock options		378	727	874
		Restricted stock units		424	564	557
		Performance-based restricted stock units		-	3	-
			Total effects of dilutive securities	802	1,294	1,431
Shares used in dilutive earnings per share calculation				55,540	57,963	61,792