ACCUMULATED OTHER COMPREHENSIVE LOSS (INCOME) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Jan. 01, 2019
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	$ 4,123.3	$ 3,730.7
Amounts recognized in AOCI	(218.7)	7.9
Amounts reclassified from AOCI	(2.9)	(1.9)
Ending balance	3,289.1	3,460.1
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(657.4)	(607.6)
Amounts recognized in AOCI	(218.7)	7.9
Ending balance	(876.1)	(599.7)
Pension and Other Postretirement Benefits Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(69.2)	(67.1)
ASU adoption			$ (19.3)
Amounts reclassified from AOCI	0.6	0.4
Ending balance	(68.6)	(86.8)
Unrealized Net Gains on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	47.1	44.8
ASU adoption			11.0
Amounts reclassified from AOCI	(3.5)	1.5
Ending balance	43.6	54.3
Total
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(679.5)	(629.9)
ASU adoption			$ (8.3)
Ending balance	$ (901.1)	$ (632.2)

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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