INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Income Tax Contingency [Line Items]
Effective income tax rate (percent)	174.40%	11.80%	194.80%	(30.60%)
Benefit for income taxes	$ 122.1	$ (13.0)	$ 127.2	$ 54.1
Increase (decrease) in deferred tax liabilities			$ 1,178.7
U.S. federal statutory rate (percent)			35.00%
Gross unrecognized tax benefits	231.2		$ 231.2		$ 228.9
Unrecognized tax benefits that would impact effective tax rate	230.6		230.6
Unrecognized tax benefits, net	142.1		142.1		131.9
Total interest and penalties	0.8	0.7	1.0	2.0
Gross accrued interest and penalties	10.8		10.8		$ 9.9
Reasonably possible decrease in UTBs (up to $10.7 million)	10.7		10.7
Domestic Tax Authority | IRS
Income Tax Contingency [Line Items]
Valuation allowance due to on-going operating losses		113.0		113.0
Galleria
Income Tax Contingency [Line Items]
Change in valuation allowance	$ 111.2		$ 111.2
Settlement with Taxing Authority | Domestic Tax Authority | IRS
Income Tax Contingency [Line Items]
Benefit for income taxes		193.9
Reduction of gross unrecognized tax benefits		29.7
Settlement with Taxing Authority | Trademarks | Domestic Tax Authority | IRS
Income Tax Contingency [Line Items]
Recognition of additional deferred tax assets		$ 164.2		$ 164.2