INVESTMENTS Equity in (Income) Loss of Equity Method Investments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jan. 27, 2013	Jan. 29, 2012	Jan. 27, 2013	Jan. 29, 2012
Schedule of Equity Method Investments [Line Items]
(Income) loss from equity method investments	$ (6.4)	$ 22.0	$ (13.8)	$ 11.3
Campofrio Food Group [Member]
Schedule of Equity Method Investments [Line Items]
(Income) loss from equity method investments	(5.8)	28.2	(7.2)	24.0
Segment	International
Mexican Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
(Income) loss from equity method investments	(0.6)	(6.4)	(6.1)	(11.3)
Segment	International
Other Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
(Income) loss from equity method investments	$ 0	$ 0.2	$ (0.5)	$ (1.4)
Segment	Various