SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Millions	12 Months Ended
	Jun. 30, 2015 USD ($) unit	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)
Property, Plant and Equipment [Line Items]
Number of reporting units | unit	3
Sales returns	3.30%	3.90%	3.70%
Trade spending	9.30%	9.40%	9.40%
Selling, general and administrative
Property, Plant and Equipment [Line Items]
Advertising expense	$ 1,007.7	$ 1,070.0	$ 1,072.3
Depreciation and amortization	69.8	67.5	65.2
Research and development expense	47.4	46.5	44.6
Operating Income (Loss)
Property, Plant and Equipment [Line Items]
Gains (losses) from foreign currency exchange transactions	7.9	(18.7)	0.1
Interest Expense, Net and Other Expense (Income), Net
Property, Plant and Equipment [Line Items]
Gains (losses) from foreign currency exchange transactions	$ (4.1)	$ (2.8)	$ (0.2)