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Financial Derivatives and Hedging Activities - Income or (Loss) from Derivative Instruments Recognized in Results of Operations (Detail) (Forward Foreign Currency Exchange Contracts [Member], USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Costs of Products Sold [Member] | Designated as Hedging [Member]
        
Derivative Instruments, Gain (Loss) [Line Items]        
Effective portion of derivative instruments, gain (loss) $ (641) $ (188) $ (1,090) $ (258)
Other - Net [Member] | Designated as Hedging [Member]
        
Derivative Instruments, Gain (Loss) [Line Items]        
Ineffective portion of derivative instruments, gain (loss) 119 (53) 100 26
Other - Net [Member] | Not Designated as Hedging [Member]
        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative instruments, gain (loss) $ 861 $ (763) $ 1,196 $ (446)