DERIVATIVE INSTRUMENTS (Additional Information) (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 30, 2012
Derivative [Line Items]
Interest rate swap expiration date	August 10, 2015
Interest Rate Swap
Derivative [Line Items]
Pretax losses expected to be reclassified from AOCI in next 12 months	2.0

Description of the relevant terms of the derivative. Includes the type of instrument, risk being hedged, notional amount, counterparty, inception date, maturity date, relevant interest rates, strike price, cap price, and floor price.

No definition available.

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