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Derivative Instruments and Risk Management - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Derivative Instruments And Hedging Activities Disclosure [Abstract]    
Derivative expiration date Feb. 06, 2012  
Loss recognized in earnings $ 0.1 $ 0.1
Maturity period of foreign currency forward exchange contracts 4 years