EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Options to purchase shares	3,400,000	2,600,000	3,200,000	2,200,000
Income from continuing operations- basic and diluted	$ 7,208	$ 7,973	$ 11,603	$ 15,048
Weighted average shares outstanding-basic	52,275,000	57,833,000	52,688,000	57,682,000
Shares issuable upon exercise of stock options	1,915,000	3,077,000	2,086,000	3,320,000
Weighted average shares outstanding-diluted	54,190,000	60,910,000	54,774,000	61,002,000
Basic earnings per share (in dollars per share)	$ 0.14	$ 0.14	$ 0.22	$ 0.26
Diluted earnings per share (in dollars per share)	$ 0.13	$ 0.13	$ 0.21	$ 0.25