SUPPLEMENTAL CASH FLOW DISCLOSURES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Cash Flow Elements [Abstract]
Interest paid	$ 652,910	$ 421,019	$ 247,879
Income taxes paid	$ 65,072	$ 41,425	$ 45,399