DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) (Other Long-Term Liabilities [Member], Derivatives Designated As Hedging Instruments [Member], Interest Rate Swaps [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Other Long-Term Liabilities [Member] | Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member]
Liability Derivatives [Abstract]
Fair value of Derivative liability	$ (7.8)	$ (8.4)