PENSION AND OTHER RETIREMENT PLANS Narrative (Details) (USD $)	12 Months Ended
	Apr. 29, 2012	May 01, 2011	May 02, 2010
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year	$ (52,900,000)
Defined Benefit Plan, Accumulated Benefit Obligation	1,500,000,000	1,300,000,000
Defined Benefit Plan, Average Rate of Return on Plan Assets Over Five Year Period	1.40%	3.87%
Defined Benefit Plan, Number of Shares of Equity Securities Issued by Employer and Related Parties Included in Plan Assets	4,154,344	4,757,066
Defined Benefit Plan, Amount of Employer and Related Party Securities Included in Plan Assets	88,200,000	112,100,000
Defined Benefit Plan, Minimum Funded Percentage	80.00%
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	44,800,000
Defined Contribution Plan, Cost Recognized	$ 13,900,000	$ 13,900,000	$ 13,900,000