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, unless otherwise specified	6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Intrinsic value of options exercised	$ 38.5	$ 4.8