DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Components of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		$ (370.0)
Net other comprehensive loss		(77.6)	$ (146.8)
Ending Balance		(447.6)
Cash Flow Hedge [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(370.0)	(211.4)
Other comprehensive loss before reclassifications	[1]	(87.6)	(145.1)
Amounts reclassified from AOCI	[2],[3]	10.0	(1.0)
Net other comprehensive loss		(77.6)	(146.1)
Ending Balance		$ (447.6)	(357.5)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss before reclassifications			1.3
Amounts reclassified from AOCI			$ 2.0

[1] Excludes NCI gain of $1.3 million reclassified from AOCI at March 31, 2015.

[2] Excludes NCI loss of $2.0 million reclassified from AOCI at March 31, 2015.

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