ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance			$ (725.0)
Other comprehensive loss other than reclassifications	$ (3.6)	$ 13.5	(97.5)	$ 85.9
Adjustments of and amortization of net actuarial loss and prior service cost, net of taxes	2.1	6.5	7.8	12.7
Total reclassifications into earnings	2.1	6.5	7.8	12.7
Accumulated other comprehensive income, ending balance	(810.4)		(810.4)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(923.5)	(839.7)	(829.6)	(910.9)
Other comprehensive loss other than reclassifications	(3.6)	13.5	(97.5)	84.7
Adjustments of and amortization of net actuarial loss and prior service cost, net of taxes	0.0	0.0	0.0	0.0
Total reclassifications into earnings	0.0	0.0	0.0	0.0
Accumulated other comprehensive income, ending balance	(927.1)	(826.2)	(927.1)	(826.2)
Net Investment Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(4.3)	(4.3)	(4.3)	(4.3)
Other comprehensive loss other than reclassifications	0.0	0.0	0.0	0.0
Adjustments of and amortization of net actuarial loss and prior service cost, net of taxes	0.0	0.0	0.0	0.0
Total reclassifications into earnings	0.0	0.0	0.0	0.0
Accumulated other comprehensive income, ending balance	(4.3)	(4.3)	(4.3)	(4.3)
Pension and Postretirement Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(90.0)	(114.0)	(95.7)	(120.2)
Other comprehensive loss other than reclassifications	0.0	0.0	0.0	0.0
Adjustments of and amortization of net actuarial loss and prior service cost, net of taxes	2.1	6.5	7.8	12.7
Total reclassifications into earnings	2.1	6.5	7.8	12.7
Accumulated other comprehensive income, ending balance	(87.9)	(107.5)	(87.9)	(107.5)
Tax from reclassification from AOCI	0.1	0.0	0.4	0.0
Investment in New Avon
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	3.4	3.4	3.4	2.2
Other comprehensive loss other than reclassifications	0.0	0.0	0.0	1.2
Adjustments of and amortization of net actuarial loss and prior service cost, net of taxes	0.0	0.0	0.0	0.0
Total reclassifications into earnings	0.0	0.0	0.0	0.0
Accumulated other comprehensive income, ending balance	3.4	3.4	3.4	3.4
AOCI Attributable to Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(1,014.4)	(954.6)	(926.2)	(1,033.2)
Accumulated other comprehensive income, ending balance	$ (1,015.9)	$ (934.6)	$ (1,015.9)	$ (934.6)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss).

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