EQUITY AND EARNINGS PER SHARE - Summary of Outstanding Options - Period End (Footnote) (Details)
$ in Millions
|30 Months Ended|
Jun. 30, 2015
|Equity and Earnings Per Share [Abstract]|
|Intrinsic value of options exercised||$ 60.0|
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
Reference 1: http://www.xbrl.org/2003/role/presentationRef