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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Maintenance agreements, current portion $ 7,000 $ 6,367
Income taxes receivable 633 5,258
Prepaid expenses 7,873 6,989
Other current assets 6,245 4,953
Total $ 21,751 $ 23,567