INCOME TAXES - Narrative (Details) $ in Millions	12 Months Ended
	Jun. 30, 2015 USD ($) jurisdiction	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)
Income Tax Contingency [Line Items]
Useful lives	9 years 7 months 6 days
Operating loss carryforwards	$ 264.3
Valuation allowance	81.9	$ 98.6
Unrecognized tax benefits	342.6	400.5	$ 331.4	$ 326.5
Unrecognized tax benefits that would impact effective tax rate	315.7
Accrued interest and penalties	182.9	159.4
Interest accrued	(4.4)	(1.7)	1.1
Penalties accrued	$ (1.0)	0.0	$ 0.9
Number of tax jurisdictions | jurisdiction	35
Income tax expense (benefit)	$ 62.0	49.2
Estimate of possible loss	93.8
Undistributed earnings of foreign subsidiaries	2,138.7
Other Noncurrent Liabilities
Income Tax Contingency [Line Items]
Accrued interest and penalties	$ 15.2	$ 25.5
Intellectual Property
Income Tax Contingency [Line Items]
Useful lives	20 years
Intellectual Property | Prepaid Expenses and Other Current Assets
Income Tax Contingency [Line Items]
Prepaid income taxes	$ 7.6
Intellectual Property | Other Assets
Income Tax Contingency [Line Items]
Prepaid income taxes	$ 143.4