SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Mar. 31, 2016	Sep. 30, 2015	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Accounting Policies [Abstract]
Effective income tax rate, percent	(133.30%)		15.80%	(25.30%)	14.50%
U.S. federal statutory rate, percent				35.00%
Gross unrecognized tax benefits	$ 194.2			$ 194.2		$ 342.6
Unrecognized tax benefits that would impact effective tax rate	72.2			72.2
Unrecognized tax benefits, net	83.9			83.9		182.9
Total interest and penalties	0.7		$ 0.7	2.7	$ 2.5
Gross accrued interest and penalties	8.5			8.5		$ 15.2
Reasonably possible decrease in UTB's	4.2			4.2
Income Tax Examination [Line Items]
Provision (benefit) for income taxes	$ (11.6)		$ (15.4)	$ 42.5	$ (39.8)
Domestic Tax Authority | IRS
Income Tax Examination [Line Items]
Valuation allowance due to on-going operating losses		$ 113.0
Domestic Tax Authority | IRS | Settlement with Taxing Authority
Income Tax Examination [Line Items]
Provision (benefit) for income taxes		193.9
Reduction of gross unrecognized tax benefits		29.7
Domestic Tax Authority | IRS | Settlement with Taxing Authority | Trademarks
Income Tax Examination [Line Items]
Recognition of additional deferred tax assets		$ 164.2