SHARE-BASED COMPENSATION PLANS - Summary of the Total Intrinsic Value of Stock Options Exercised and Payment to Settle Nonqualified Stock Options (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Weighted-average grant date fair value of stock options	$ 0.00	$ 0.00	$ 4.11
Intrinsic value of options exercised	$ 28.3	$ 160.6	$ 5.2
Payment to settle nonqualified stock options	$ 0	$ 154.4	$ 3.6