DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2015	Jan. 31, 2013 USD ($) derivative_instrument	Mar. 31, 2012 USD ($) derivative_instrument
Derivative [Line Items]
Total exposure to floating rate interest rates	2.00%		2.00%		2.00%
Number of interest-rate swap agreements terminated | derivative_instrument						8	2
Foreign Exchange Contract [Member]
Derivative [Line Items]
Notional amounts of foreign currency exchange contracts	$ 83.2		$ 83.2
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	(5.2)	$ (0.9)	(7.5)	$ (8.9)
Intercompany Loans [Member]
Derivative [Line Items]
Gain (loss) due to the effect of foreign currency exchange rates on intercompany loans	4.6	(0.6)	5.4	8.1
January 2013 Interest-Rate Swap Termination [Member]
Derivative [Line Items]
Notional Amount Related to Discontinuation of Interest Rate Fair Value Hedge						$ 1,000.0
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge	28.0		28.0			$ 90.4
Amortization of Interest Rate Swap Gains	3.7	3.6	7.4	7.3
March 2012 Interest-Rate Swap Termination [Member]
Derivative [Line Items]
Notional Amount Related to Discontinuation of Interest Rate Fair Value Hedge							$ 350.0
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge	19.4		19.4				$ 46.1
Amortization of Interest Rate Swap Gains	$ 1.7	$ 1.7	$ 3.4	$ 3.3