DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amount of Derivatives (Details) - Derivatives designated as hedging instruments - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Foreign currency forward exchange contracts
Derivative [Line Items]
Notional Amount	$ 1,061.6	$ 761.2
Interest rate swap agreements
Derivative [Line Items]
Notional Amount	300.0	300.0
Foreign currency option contracts
Derivative [Line Items]
Notional Amount	$ 0.0	$ 9.2