v2.4.0.8
Changes in Fair Value of Foreign Currency Forward Contracts (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (losses) recognized in income on derivatives $ (42)      
Foreign currency forward contracts | Non-hedging derivative | Other income expense net | Outstanding Contracts
       
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (losses) recognized in income on derivatives (47) 0 (42) 0
Foreign currency forward contracts | Non-hedging derivative | Other income expense net | Settled Contracts
       
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (losses) recognized in income on derivatives $ (524) $ 0 $ (524) $ 0