DERIVATIVES FINANCIAL INSTRUMENTS (Gains) Losses Recognized in Earnings on Mark-to-Market Contracts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Apr. 28, 2013	Apr. 29, 2012	May 01, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 46.3	$ 14.1	$ 54.4
Commodity Contract [Member] | Cost of Sales [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	12.9	6.4	63.4
Commodity Contract [Member] | Sales [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	29.7	0	0
Foreign Exchange Contract [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 3.7	$ 7.7	$ (9.0)