PENSION AND OTHER RETIREMENT PLANS Schedule of Components of Net Periodic Pension Costs (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Apr. 29, 2012	May 01, 2011	May 02, 2010
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 37.4	$ 37.0	$ 22.6
Interest cost	75.9	74.9	73.7
Expected return on plan assets	(79.6)	(63.9)	(49.3)
Net amortization	23.5	34.0	20.3
Net periodic pension cost	$ 57.2	$ 82.0	$ 67.3