FINANCIAL INSTRUMENTS - Effects of Derivative Financial Instruments, Other Comprehensive Income (Loss) and Net Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017		Sep. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income	$ 1.4	$ 5.3	$ 15.8	[1]	$ 13.7
Revaluation of derivative financial instruments, net of reclassifications into earnings, tax expense (benefit)	(0.4)	0.5	(1.1)		0.1
Interest rate swap | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in other comprehensive income		0.8			0.1
Interest rate swap | Designated as Hedging Instrument [Member] | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in net income	(0.9)	(1.0)	(2.9)		(3.2)
Interest rate swap | Derivatives not designated as hedging instruments | Miscellaneous, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in net income	0.0	0.0	(0.1)		0.0
Foreign exchange contracts | Derivatives not designated as hedging instruments | Foreign currency gain (loss), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in net income	(2.4)	(0.3)	(4.0)		(0.8)
Deferred gain - hedging | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Interest rate swap | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent		$ (0.7)			$ (2.0)
Other comprehensive income			1.8
Deferred gain - hedging | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Interest rate swap | Designated as Hedging Instrument [Member] | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent	$ (0.6)
Deferred Gain (Loss) - Hedging - amortization of deferred gains (losses) related to the de-designated 2013 Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income			$ (1.8)

[1] See Note 13, “Accumulated Other Comprehensive Loss,” regarding the changes in the accumulated balances for each component of other comprehensive loss during the nine months ended September 30, 2017.