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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Financial liabilities, Fair value $ 542
Foreign Exchange Forward Contract Derivatives [Member]
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Financial liabilities, Fair value 542
Level II [Member]
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Financial liabilities, Fair value 542
Level II [Member] | Foreign Exchange Forward Contract Derivatives [Member]
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Financial liabilities, Fair value $ 542