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Financial Instruments (Derivative Instruments Which Were Not Designated As Hedging Instruments) (Detail) (Foreign Currency Contract [Member], Other (Income) Expense, Net [Member], Fair Value Of Derivatives Not Designated as Hedging Instrument [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Foreign Currency Contract [Member] | Other (Income) Expense, Net [Member] | Fair Value Of Derivatives Not Designated as Hedging Instrument [Member]
       
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Loss) Gain Recognized in Income on Derivative $ 5,564 $ (5,299) $ 6,083 $ (14,850)