RESTRUCTURING COSTS - Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 15.8	$ 10.6	$ 23.2	$ 72.7
Global Integration
Restructuring Cost and Reserve [Line Items]
Restructuring costs	13.6	0.0	13.6	0.0
Acquisition Integration Program
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.4	(0.9)	4.6	45.6
Organizational Redesign
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.7	7.9	4.5	23.5
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 0.1	$ 3.6	$ 0.5	$ 3.6