INCOME TAXES - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013 jurisdiction	Jun. 30, 2014	Jun. 30, 2012	Jun. 30, 2011
Income Tax Contingency [Line Items]
Operating loss carryforwards		$ 251.0
Valuation allowance	61.5	98.6
Unrecognized tax benefits	331.4	400.5	326.5	308.6
Unrecognized tax benefits that would impact effective tax rate		140.6
Accrued interest and penalties	189.6	159.4
Interest accrued	1.1	(1.7)	5.3
Penalties accrued	0.9	0	0.8
Number of tax jurisdictions	35
Income tax expense (benefit)	(49.2)
Estimate of possible loss	29.2
Undistributed earnings of foreign subsidiaries		1,879.1
Other Noncurrent Liabilities
Income Tax Contingency [Line Items]
Accrued interest and penalties	$ 25.7	$ 25.5