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General - Derivative Instruments Measured at Fair Value and their Classification on Consolidated Balance Sheets (Detail) (Foreign Exchange Forward Contract Derivatives [Member], Cash Flow Hedging [Member], USD $)
Sep. 30, 2014
Foreign Exchange Forward Contract Derivatives [Member] | Cash Flow Hedging [Member]
 
Derivative Instruments and Hedging Activities Disclosures [Line Items]  
Liabilities, Notional Amount $ 8,079,000
Liabilities, Fair Value $ (542,000)