PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Maintenance agreements, current portion	$ 5,642	$ 6,367
Income taxes receivable	2,814	5,258
Prepaid expenses	5,484	6,989
Other current assets	5,147	4,953
Total	$ 19,087	$ 23,567