SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Continuing Operations:
Property and equipment accrued but unpaid	$ 91,036	$ 61,170
Notes payable to vendor	30,237	0
Capital lease obligations	656	0
Supplemental Data:
Cash interest paid	464,763	524,864
Income taxes paid (refunded), net	$ (1,027)	$ 1,553