SEGMENT REPORTING - Geographic Data (Details) - USD ($) $ in Millions	Jun. 30, 2020	Jun. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 9,427.6	$ 10,030.8
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	3,340.5	2,897.7
Switzerland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	3,690.9	4,379.4
Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	494.0	712.4
All other
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 1,902.2	$ 2,041.3