DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Cash Flow Hedge Effects on Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss)
Cost of sales	$ (281.0)	$ (292.4)	$ (784.3)	$ (828.2)
Selling, general, and administrative expenses	(307.2)	(306.2)	(889.9)	(895.0)
Other Income, net	5.7	4.6	7.3	7.8
Foreign currency contracts \| Cost of sales
Gain (loss) on fair value hedging relationships:
Hedged items	0.0	0.0	0.0	0.0
Amount excluded from effectiveness testing recognized in earnings based on an amortization approach	0.0	0.0	0.0	0.0
Gain (loss) on cash flow hedging relationships:
Amount of gain (loss) reclassified from accumulated OCI into income	5.9	12.8	19.7	31.7
Foreign currency contracts \| Cost of sales \| Derivatives designated as hedging instruments
Gain (loss) on fair value hedging relationships:
Derivatives designated as hedging instruments	0.0	0.0	0.0	0.0
Foreign currency contracts \| Selling, general, and administrative expenses
Gain (loss) on fair value hedging relationships:
Hedged items	0.0	0.0	0.0	0.0
Amount excluded from effectiveness testing recognized in earnings based on an amortization approach	0.0	0.0	0.0	0.0
Gain (loss) on cash flow hedging relationships:
Amount of gain (loss) reclassified from accumulated OCI into income	0.3	0.6	2.0	1.4
Foreign currency contracts \| Selling, general, and administrative expenses \| Derivatives designated as hedging instruments
Gain (loss) on fair value hedging relationships:
Derivatives designated as hedging instruments	0.0	0.0	0.0	0.0
Foreign currency contracts \| Other Income, net
Gain (loss) on fair value hedging relationships:
Hedged items	1.5	(1.0)	3.0	5.3
Amount excluded from effectiveness testing recognized in earnings based on an amortization approach	0.8	1.1	2.6	3.2
Gain (loss) on cash flow hedging relationships:
Amount of gain (loss) reclassified from accumulated OCI into income	0.0	0.0	0.0	0.0
Foreign currency contracts \| Other Income, net \| Derivatives designated as hedging instruments
Gain (loss) on fair value hedging relationships:
Derivatives designated as hedging instruments	$ (1.5)	$ 1.0	$ (3.0)	$ (5.3)

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount, after tax, of adjustments from accumulated other comprehensive income (AOCI) for gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.

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