FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Noncontrolling interest puts	$ 15.6	$ 14.9
Fair market value of zero-coupon subordinated notes	128.7	177.1
Fair market value of senior notes	6,153.2	6,070.5
Cash Surrender Value, Fair Value Disclosure	52.8	45.5
Fair Value Liabilities Measured On Recurring Basis Deferred Compensation Liability	53.0	46.4
Level 1 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Noncontrolling interest puts	0.0	0.0
Cash Surrender Value, Fair Value Disclosure	0.0	0.0
Fair Value Hedges, Net	0.0	0.0
Level 2 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Noncontrolling interest puts	15.6	14.9
Cash Surrender Value, Fair Value Disclosure	52.8	45.5
Fair Value Liabilities Measured On Recurring Basis Deferred Compensation Liability	0.0	0.0
Fair Value Hedges, Net	40.5	21.6
Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Noncontrolling interest puts	0.0	0.0
Cash Surrender Value, Fair Value Disclosure	0.0	0.0
Fair Value Liabilities Measured On Recurring Basis Deferred Compensation Liability	0.0	0.0
Fair Value Hedges, Net	$ 0.0	$ 0.0