EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Options to purchase shares	2,500,000	3,000,000	2,900,000	2,300,000
Income from continuing operations- basic and diluted	$ 9,493	$ 7,058	$ 21,096	$ 22,106
Weighted average shares outstanding-basic	52,089,000	56,606,000	52,486,000	57,324,000
Shares issuable upon exercise of stock options	2,017,000	2,899,000	2,059,000	3,173,000
Weighted average shares outstanding-diluted	54,106,000	59,505,000	54,545,000	60,497,000
Basic earnings per share (in dollars per share)	$ 0.18	$ 0.12	$ 0.40	$ 0.39
Diluted earnings per share (in dollars per share)	$ 0.18	$ 0.12	$ 0.39	$ 0.37