PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Maintenance agreements, current portion	$ 6,395	$ 6,367
Income taxes receivable	4,959	5,258
Prepaid expenses	4,959	6,989
Other current assets	5,395	4,953
Total	$ 21,708	$ 23,567