SHARE-BASED COMPENSATION PLANS - Outstanding and Non-vested RSUs Activity (Details) - Restricted Stock Units (RSUs) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding, beginning balance (in shares)	4.3
Granted (in shares)	1.0
Vested (in shares)	0.0
Cancelled (in shares)	(0.2)
Outstanding, ending balance (in shares)	5.1
Shares, Vested and expected to vest at September 30, 2015	3.6
Aggregate Intrinsic Value, Vested and expected to vest at September 30, 2015 | $	$ 97.6
Weighted Average Grant Date Fair Value
Vested and expected to vest at September 30, 2015 | $ / shares	$ 3.29