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SHARE-BASED COMPENSATION PLANS (NonQuall) (Detail) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
ShareBasedCompensationAbstract      
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate 0.00% 2.45% 1.68%
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate 0.00% 30.20% 30.50%
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate 0.00% 0.92% 1.07%
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm 0 years 0 months 6 years 0 months 6 years 0 months
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 0 $ 10.57 $ 8.52