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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Cash Flow Hedge Effects on Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative Instruments, Gain (Loss)
Cost of sales	$ (246.2)	$ (211.1)	$ (479.8)	$ (426.7)
Selling, general, and administrative expenses	(274.9)	$ (243.8)	(530.9)	$ (473.4)
Interest expense (income), net	0.0		0.8
Foreign currency forward exchange contracts \| Cost of sales \| Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income	(12.7)		(14.2)
Foreign currency forward exchange contracts \| Selling, general, and administrative expenses \| Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income	(1.0)		(2.1)
Foreign currency forward exchange contracts \| Interest expense (income), net \| Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income	$ 0.0		$ 0.0