RESTRUCTURING COSTS - Restructuring Roll Forward (Details) $ in Millions	9 Months Ended
	Mar. 31, 2018 USD ($)
Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	$ 328.5
Restructuring charges	71.7
Payments	(128.4)
Changes in estimates	(13.5)
Non-cash utilization	(0.9)
Effect of exchange rates	24.3
Balance—March 31, 2018	281.7
Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	30.4
Restructuring charges	1.9
Payments	(18.2)
Changes in estimates	(5.4)
Effect of exchange rates	1.3
Balance—March 31, 2018	10.0
Severance and Employee Benefits | Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	310.8
Restructuring charges	48.7
Payments	(113.5)
Changes in estimates	(10.5)
Non-cash utilization	0.0
Effect of exchange rates	24.8
Balance—March 31, 2018	260.3
Severance and Employee Benefits | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	24.8
Restructuring charges	0.0
Payments	(16.6)
Changes in estimates	(5.4)
Effect of exchange rates	0.9
Balance—March 31, 2018	3.7
Severance and Employee Benefits | Other Restructuring 2018
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	0.0
Restructuring charges	20.4
Payments	(6.5)
Changes in estimates	0.0
Effect of exchange rates	(0.1)
Balance—March 31, 2018	13.8
Third-Party Contract Terminations | Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	14.9
Restructuring charges	18.8
Payments	(11.9)
Changes in estimates	(3.0)
Non-cash utilization	0.0
Effect of exchange rates	(0.1)
Balance—March 31, 2018	18.7
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
Effect of exchange rates	0.0
Balance—March 31, 2018	1.5
Third-Party Contract Terminations | Other Restructuring 2018
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	0.0
Restructuring charges	0.1
Payments	0.0
Changes in estimates	0.0
Effect of exchange rates	0.0
Balance—March 31, 2018	0.1
Fixed Asset Write-offs | Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	0.0
Restructuring charges	0.9
Payments	0.0
Changes in estimates	0.0
Non-cash utilization	(0.9)
Effect of exchange rates	0.0
Balance—March 31, 2018	0.0
Other Exit Costs | Global Integration Activities
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	2.8
Restructuring charges	3.3
Payments	(3.0)
Changes in estimates	0.0
Non-cash utilization	0.0
Effect of exchange rates	(0.4)
Balance—March 31, 2018	2.7
Other Exit Costs | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	4.1
Restructuring charges	1.9
Payments	(1.6)
Changes in estimates	0.0
Effect of exchange rates	0.4
Balance—March 31, 2018	4.8
Other Exit Costs | Other Restructuring 2018
Restructuring Reserve [Roll Forward]
Balance—July 1, 2017	0.0
Restructuring charges	20.5
Payments	(6.5)
Changes in estimates	0.0
Effect of exchange rates	(0.1)
Balance—March 31, 2018	$ 13.9