DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Components of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance				$ (211.4)
Net other comprehensive income (loss)		$ 96.6	$ (66.0)	(50.2)	$ (136.1)
Ending balance		(259.0)		(259.0)
Cash Flow Hedge [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance				(211.4)	(76.6)
Other Comprehensive Income before reclassifications	[1]			(44.1)	(152.4)
Amounts reclassified from AOCI	[2],[3]			(3.5)	16.6
Net other comprehensive income (loss)				(47.6)	(135.8)
Ending balance		$ (259.0)	$ (212.4)	(259.0)	(212.4)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income before reclassifications				1.1	(2.1)
Amounts reclassified from AOCI				$ (3.7)	$ 1.8

[1] Excludes NCI gain of $1.1 million and NCI loss of $2.1 million reclassified from AOCI at June 30, 2015 and 2014, respectively.

[2] Excludes NCI loss of $3.7 million and NCI gain of $1.8 million reclassified from AOCI at June 30, 2015 and 2014, respectively.

[3] For additional details on the amounts reclassified from AOCI, reference the Reclassifications from Accumulated Other Comprehensive Income table below.