RESTRUCTURING COSTS - Restructuring Roll Forward (Details) $ in Millions	3 Months Ended
	Sep. 30, 2017 USD ($)
Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	$ 328.5
Restructuring charges	13.3
Payments	(43.6)
Changes in estimates	(3.5)
Effect of exchange rates	13.8
Balance—September 30, 2017	308.5
Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	30.4
Restructuring charges	0.0
Payments	(9.8)
Changes in estimates	0.0
Non-cash utilization	0.0
Effect of exchange rates	0.9
Balance—September 30, 2017	21.5
Severance and Employee Benefits | Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	310.8
Restructuring charges	3.9
Payments	(39.5)
Changes in estimates	(3.5)
Effect of exchange rates	13.5
Balance—September 30, 2017	285.2
Severance and Employee Benefits | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	24.8
Restructuring charges	0.0
Payments	(9.2)
Changes in estimates	0.0
Non-cash utilization	0.0
Effect of exchange rates	0.8
Balance—September 30, 2017	16.4
Third-Party Contract Terminations | Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	14.9
Restructuring charges	8.0
Payments	(2.9)
Changes in estimates	0.0
Effect of exchange rates	0.1
Balance—September 30, 2017	20.1
Third-Party Contract Terminations | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	1.5
Restructuring charges	0.0
Payments	0.0
Changes in estimates	0.0
Non-cash utilization	0.0
Effect of exchange rates	0.0
Balance—September 30, 2017	1.5
Other Exit Costs | Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	2.8
Restructuring charges	1.4
Payments	(1.2)
Changes in estimates	0.0
Effect of exchange rates	0.2
Balance—September 30, 2017	3.2
Other Exit Costs | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	4.1
Restructuring charges	0.0
Payments	(0.6)
Changes in estimates	0.0
Non-cash utilization	0.0
Effect of exchange rates	0.1
Balance—September 30, 2017	$ 3.6