DERIVATIVES - Gains or Losses on Cash Flow Hedges (Detail) (USD $) In Thousands	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
Dec. 31, 2010	Sep. 30, 2010 Cash Flow Hedges	Sep. 30, 2010 Cash Flow Hedges	Sep. 30, 2010 Cash Flow Hedges Interest Rate Contracts Other long-term debt	Sep. 30, 2010 Cash Flow Hedges Interest Rate Contracts Other long-term debt	Sep. 30, 2010 Cash Flow Hedges Interest Rate Contracts Other long-term debt Interest Expense	Sep. 30, 2010 Cash Flow Hedges Interest Rate Contracts Other long-term debt Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	$ (600)	$ (471)	$ (1,470)	$ (471)	$ (1,470)
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)		$ (131)	$ (417)			$ (131)	$ (417)

Pre tax reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk.

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