SEGMENT REPORTING - Geographic Data (Details) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues		$ 4,395.2	$ 4,551.6	$ 4,649.1
Long-lived assets		3,944.5	3,720.2	4,000.5
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[1]	1,696.0	1,703.8	1,914.8
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[2]	2,166.0	2,302.9	2,188.9
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[3]	533.2	544.9	545.4
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues		1,343.1	1,338.6	1,537.4
Long-lived assets		2,713.9	2,921.2	2,924.3
Switzerland
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[4]	998.8	1,041.5	1,023.1
Switzerland | Travel Retail and Export
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[4]	482.9	497.8	500.6
Switzerland | U. K.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[4]	402.5	415.1	388.1
Switzerland | Netherlands
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[4]	83.2	93.8	98.1
Switzerland | Domestic
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	[4]	30.2	34.8	36.3
All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues		2,053.3	2,171.5	2,088.6
Long-lived assets		$ 1,230.6	$ 799.0	$ 1,076.2

[1] includes North & South America

[2] includes Europe, Middle East and Africa

[3] includes Asia and Australia

[4] The Company’s subsidiaries in Switzerland generate revenues from sales in the United Kingdom (“U.K.”), the Netherlands and domestic sales in Switzerland as well as the Travel Retail and Export business (which sells to a large number of travel outlets, including duty free shops, airlines and other tax-free zones in several countries), as specified separately in the table above.