Quarterly report pursuant to Section 13 or 15(d)

Effects of Fair Value Hedging Included in Consolidated Statements of Income (Detail)

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Effects of Fair Value Hedging Included in Consolidated Statements of Income (Detail) (Designated as Hedging Instrument, Fair Value Hedging, Miscellaneous Income (Expense), USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Advances - Intercompany
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (Loss) on Related Hedged Items Recognized in Income $ 2,829 $ 3,799
Foreign Exchange Contract
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (Loss) on Derivatives Recognized in Income $ (3,817) $ (5,047)