SHARE-BASED COMPENSATION PLANS - Non-vested Nonqualified Stock Options (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended
	Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Non-vested, beginning balance (in shares)	16.2
Vested (in shares)	(3.6)
Forfeited (in shares)	(2.6)
Non-vested, ending balance (in shares)	10.0
Weighted Average Grant Date Fair Value (in dollars per share) [Abstract]
Non-vested, beginning balance	$ 3.81
Vested	$ 3.56
Forfeited	$ 3.92
Non-vested, ending balance	$ 3.87