PENSION AND OTHER RETIREMENT PLANS Schedule of Pension Benefit Obligation, Plan Assets and Funded Status (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]
Benefit obligation	$ 1,610.6	$ 1,329.9	$ 1,283.9
Service cost	37.4	37.0	22.6
Interest cost	75.9	74.9	73.7
Benefits paid	(63.2)	(69.3)
Actuarial loss	229.1	1.0
Other	1.5	2.4
Fair value of plan assets	1,023.5	956.4
Funded status	(587.1)	(373.5)
Amounts recognized in the consolidated balance sheet:
Net long-term pension liability	(581.9)	(369.6)
Accrued expenses and other current liabilities	(5.2)	(4.5)
Other assets	0	0.6
Net amount recognized at end of year	(587.1)	(373.5)
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefits paid	(3.5)	(13.1)
Fair value of plan assets	107.1	117.7
Cash contributions	0	33.4
Company-owned life insurance policies contributed		29.4
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefits paid	(59.7)	(56.2)
Fair value of plan assets	1,023.5	956.4	788.7
Actual return on plan assets	(16.0)	125.8
Employer contributions	142.8	95.1
Other	$ 0	$ 3.0