SHARE-BASED COMPENSATION PLANS - Outstanding and Non-vested RSUs Activity (Details) - Restricted Stock Units shares in Millions	12 Months Ended
	Jun. 30, 2018 $ / shares shares
Shares
Outstanding, beginning balance (in shares) | shares	5.3
Granted (in shares) | shares	3.8
Vested (in shares) | shares	(0.7)
Cancelled (in shares) | shares	(1.2)
Outstanding, ending balance (in shares) | shares	7.2
Weighted Average Grant Date Fair Value
Outstanding and nonvested, beginning balance (in dollars per share) | $ / shares	$ 21.76
Granted (in dollars per share) | $ / shares	16.53
Vested (in dollars per share) | $ / shares	16.40
Cancelled (in dollars per share) | $ / shares	20.94
Outstanding and nonvested, ending balance (in dollars per share) | $ / shares	$ 19.57