RESTRUCTURING COSTS - Restructuring Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 372.2	$ 86.9	$ 75.4
Restructuring charges	387.3
Global Integration Activities
Restructuring Cost and Reserve [Line Items]
Restructuring costs	364.2	0.0	0.0
Restructuring charges	369.4
Acquisition Integration Program
Restructuring Cost and Reserve [Line Items]
Restructuring costs	2.3	42.3	15.3
Restructuring charges	5.9
Organizational Redesign
Restructuring Cost and Reserve [Line Items]
Restructuring costs	5.1	34.5	58.6
Restructuring charges	8.3
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.6	$ 10.1	$ 1.5
Cost of sales | Global Integration Activities
Restructuring Cost and Reserve [Line Items]
Restructuring charges	13.1
Selling, general and administrative | Global Integration Activities
Restructuring Cost and Reserve [Line Items]
Restructuring charges	10.0
Restructuring | Global Integration Activities
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 364.2