DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 1) (Interest rate swaps [Member], Derivatives in Cash Flow Hedging Relationships [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest rate swaps [Member] | Derivatives in Cash Flow Hedging Relationships [Member]
Summary of Cash Flow Hedges
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives (Effective Portion)	$ 0	$ (1.3)	$ 0	$ (1.6)