SEGMENT REPORTING - Revenue and Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 2,296.7	$ 1,210.5	$ 3,376.9	$ 2,322.8
Long-lived assets	17,625.4		17,625.4		$ 4,910.3
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	700.5	396.4	1,044.9	793.4
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	1,134.1	585.3	1,581.0	1,091.4
ALMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	462.1	$ 228.8	751.0	$ 438.0
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	6,052.7		6,052.7		2,688.7
Switzerland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	4,278.3		4,278.3		508.0
All other
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 7,294.4		$ 7,294.4		$ 1,713.6