SUPPLEMENTAL CASH FLOW & OTHER DATA (Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Supplemental Cash Flow and Other Data [Line Items]
Depreciation expense	$ 48,810	$ 51,310	$ 151,705	$ 154,939
Interest expense, net	(39,968)	(40,809)	(119,754)	(124,661)
Segment, Continuing Operations [Member]
Supplemental Cash Flow and Other Data [Line Items]
Depreciation expense	48,810	50,627	151,481	152,882
Interest expense	(40,657)	(41,451)	(121,722)	(126,583)
Interest income	689	642	1,968	1,922
Interest expense, net	$ (39,968)	$ (40,809)	$ (119,754)	$ (124,661)