FINANCIAL INSTRUMENTS - Effects of Derivative Financial Instruments on Income and Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
2013 Interest Rate Swap, net of tax	$ (1.6)	$ (3.7)	$ 1.5
Revaluation of derivative financial instrument, tax expense (benefit)	(1.0)	(2.3)	1.0
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
2013 Interest Rate Swap, net of tax	(1.6)	(3.7)	1.5
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Expense	(2.6)	0.0	0.0
Foreign exchange contracts [Member] | Not Designated as Hedging Instrument [Member] | Foreign Currency Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign currency gain, net	$ 3.8	$ 0.5	$ 2.2