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		9 Months Ended
	Jan. 29, 2012	Jan. 30, 2011	Jan. 29, 2012	Jan. 30, 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	$ 2.3	$ (16.3)	$ 13.4	$ (10.6)
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ (2.0)	$ 11.8	$ (7.0)	$ 9.5