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ACCUMULATED OTHER COMPREHENSIVE LOSS (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Components of accumulated other comprehensive income (loss):  
Balance at the beginning of the period $ (11,453)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Other comprehensive income before reclassifications 9,980us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
Net current-period other comprehensive loss 9,980us-gaap_OtherComprehensiveIncomeLossNetOfTax
Balance at the end of the period $ (21,433)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax