CONTINGENCIES (Details) (USD $)	3 Months Ended					12 Months Ended				3 Months Ended					3 Months Ended		1 Months Ended			3 Months Ended			12 Months Ended
	Aug. 24, 2014	May 25, 2014	Aug. 25, 2013	May 26, 2013	Aug. 26, 2012	May 25, 2014	May 30, 2009	May 26, 2013 Litigation Matter	May 27, 2012 Litigation Matter	Aug. 26, 2012 Compensatory Damages	Aug. 26, 2012 Punitive Damages	Aug. 24, 2014 Beatrice site	Aug. 24, 2014 Potato Supply Agreement Guarantee	Aug. 24, 2014 Onion Supply Agreement Guarantee	Aug. 24, 2014 Leases and Other Commercial Obligations Guarantee	Aug. 26, 2012 Threatened Litigation Damage from Fire, Explosion or Other Hazard employee	Apr. 30, 2010 Subcontractor Pending Litigation Damage from Fire, Explosion or Other Hazard employee	Apr. 30, 2010 Primary Contractor Pending Litigation Damage from Fire, Explosion or Other Hazard employee	Aug. 24, 2014 California Beatrice	May 25, 2014 Commercial Foods	Nov. 24, 2013 Commercial Foods	Aug. 25, 2013 Commercial Foods	May 31, 2015 Scenario, Forecast
Guarantor Obligations [Line Items]
Expected decision from court																			$ 1,150,000,000
Number of sites under environmental matters for which acquired company has a liability												37
Number of sites under environmental matters for which acquired company is making payments												33
Reserves for Beatrice environmental matters												61,200,000
Maximum period of guarantee															2 years
Maximum period expected for disbursements on environmental matters												18 years
Guarantee obligation under purchase agreement														25,000,000	4,700,000
Amount of supplier loans effectively guaranteed													56,700,000
Loan purchase under agreement				40,800,000
Asset impairment charges	2,800,000		2,100,000																		8,900,000	10,200,000
Gain on sale of land																				5,100,000
Face value of federal income tax credits	26,700,000
Dispute coverage charge with insurance carrier							24,800,000	7,500,000	17,500,000
Loss Contingency Accrual, Period Increase (Decrease)	5,800,000	6,700,000
Proceeds from Legal Settlements		3,500,000		25,000,000
Gain (Loss) Related to Litigation Settlement				25,000,000
Loss Contingency, Number of Plaintiffs																3	2	1
Unfavorable verdict										77,500,000	100,000,000
Punitive award against the company					7,000,000
Minimum annual payments to third party						2,500,000
Estimate of annual payment to third party in 2015																							$ 6,000,000