SEGMENT REPORTING - Geographic Data (Details) $ in Millions	12 Months Ended
	Jun. 30, 2017 USD ($) region	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Segment Reporting [Abstract]
Number of regions in which entity operates | region	3
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 7,650.3	$ 4,349.1	$ 4,395.2
Long-lived assets	18,612.8	4,910.3	3,944.5
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	2,506.9	1,413.0	1,499.7
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	3,325.7	1,924.6	1,961.6
ALMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	1,817.7	1,011.5	933.9
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	2,220.4	1,256.0	1,342.9
Long-lived assets	7,662.4	2,688.7	2,713.9
Switzerland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	6,899.8	508.0	297.4
Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	863.3	882.7	1.4
All other
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 3,187.3	$ 830.9	$ 931.8