INTEREST EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest on long-term debt and other financing arrangements	$ 13,455	$ 17,629
Amortization of capitalized debt issuance costs	(1,557)	(1,364)
Total interest expense	15,012	18,993
Interest Paid, Net	$ 4,232	$ 4,133