LONG-TERM DEBT, COMPONENTS OF LONG-TERM DEBT (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
Term loan facility	$ 345,000	$ 365,000
Debt issuance costs, net	(8,278)	(9,888)
Total debt	336,722	355,112
Current maturities of long-term debt	(15,000)	(20,000)
Current debt issuance costs, net	3,188	3,254
Total long-term debt, less current portion	$ 324,910	$ 338,366