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Derivatives (Losses Related to Derivatives Not Designated as Hedges) (Detail) (Not Designated as Hedging Instrument [Member], Selling, General and Administrative Expenses [Member], Foreign Exchange Forward Contracts [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Not Designated as Hedging Instrument [Member] | Selling, General and Administrative Expenses [Member] | Foreign Exchange Forward Contracts [Member]
       
Derivative Instruments, Gain (Loss) [Line Items]        
Total loss recognized in the consolidated statements of operations $ 11.6 $ 2.7 $ 14.0 $ 1.0