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DERIVATIVE FINANCIAL INSTRUMENTS Gains (Losses) Recognized in Earnings on Fair Value Hedges (Details) (Commodity Contract [Member], Cost of Sales [Member], Fair Value Hedging [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Jul. 29, 2012
Jul. 31, 2011
Commodity Contract [Member] | Cost of Sales [Member] | Fair Value Hedging [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments $ (26.4) $ 9.7
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge $ 20.3 $ (3.6)