FAIR VALUE OF FINANCIAL INSTRUMENTS (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 wholenumber
Derivative [Line Items]
Derivative, Inception Date	Jan. 03, 2012
Derivative, Number of Instruments Held	4
Senior Notes Four Twenty Four [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Fair Value Hedge Derivatives	200
Debt Instrument, Basis Spread on Variable Rate	4.24%
Senior Notes Three Eighty Four [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Fair Value Hedge Derivatives	25
Debt Instrument, Basis Spread on Variable Rate	1.90%