FINANCIAL INSTRUMENTS - Fair Value of Derivative Financial Instruments in Consolidated Balance Sheet (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Foreign exchange contracts | Prepaid expenses and other
Derivative Instruments [Abstract]
Fair value of gross derivative asset	$ 0.6	$ 0.6
Foreign exchange contracts | Accrued expenses and other
Derivative Instruments [Abstract]
Fair value of gross derivative liabilities	1.1	1.9
Interest rate swap | Prepaid expenses and other
Derivative Instruments [Abstract]
Fair value of gross derivative asset	0.0	0.0
Interest rate swap | Accrued expenses and other
Derivative Instruments [Abstract]
Fair value of gross derivative liabilities	$ 0.1	$ 0.9