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DERIVATIVE FINANCIAL INSTRUMENTS Gains (Losses) Recognized in Earnings on Fair Value Hedges (Details) (Fair Value Hedging [Member], Commodity Contract [Member], Cost of Sales [Member], USD $)
In Millions
3 Months Ended
Jul. 31, 2011
Aug. 01, 2010
Fair Value Hedging [Member] | Commodity Contract [Member] | Cost of Sales [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments $ 9.7 $ 5.0
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge $ (3.6) $ 3.9