ACQUISITIONS (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended			0 Months Ended									1 Months Ended		3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended
	Feb. 23, 2014	Feb. 24, 2013	Feb. 23, 2014	Feb. 24, 2013	May 26, 2013	Sep. 05, 2013 Harlan Bakeries	Jan. 29, 2013 Ralcorp	Feb. 23, 2014 Ralcorp	Feb. 23, 2014 Ralcorp Goodwill	Jan. 29, 2013 Ralcorp Goodwill	Feb. 23, 2014 Ralcorp Brands, trademarks and other intangibles	Jan. 29, 2013 Ralcorp Brands, trademarks and other intangibles	Jan. 29, 2013 Ralcorp Goodwill	Jan. 29, 2013 Ralcorp Brands, trademarks and other intangibles	Aug. 31, 2012 P F Changs And Bertolli Brands Frozen Meal Business	Jan. 29, 2013 Term Facility Agreement Unsecured Debt Ralcorp	Feb. 23, 2014 Consumer Foods	Feb. 24, 2013 Consumer Foods	Feb. 23, 2014 Consumer Foods	Feb. 24, 2013 Consumer Foods	May 26, 2013 Consumer Foods	Feb. 23, 2014 Consumer Foods Ralcorp	Feb. 23, 2014 Private Brands	Feb. 24, 2013 Private Brands	Feb. 23, 2014 Private Brands	Feb. 24, 2013 Private Brands	May 26, 2013 Private Brands	Feb. 23, 2014 Private Brands Ralcorp	Feb. 23, 2014 Commercial Foods	Feb. 24, 2013 Commercial Foods	Feb. 23, 2014 Commercial Foods	Feb. 24, 2013 Commercial Foods	May 26, 2013 Commercial Foods	Feb. 23, 2014 Commercial Foods Ralcorp
Business Acquisitions [Line Items]
Consideration paid for the merger			$ 40,900,000	$ 5,017,700,000			$ 4,750,000,000
Purchase price allocated to goodwill	8,427,200,000		8,427,200,000		8,426,700,000		4,360,600,000						4,380,000,000		100,100,000		3,738,800,000		3,738,800,000		3,760,500,000	512,000,000	3,830,600,000		3,830,600,000		3,808,800,000	3,530,000,000	857,800,000		857,800,000		857,400,000	334,600,000
Brands, trademarks and other intangibles							2,152,700,000							2,170,000,000	91,800,000
Noncurrent assets held for sale	86,900,000		86,900,000		144,100,000		57,200,000		17,500,000	17,500,000	14,400,000	14,600,000
Purchase price allocated to brands, trademarks and other intangibles								2,030,000,000
Payments to acquire business, gross						39,900,000									266,900,000
Intangibles								134,100,000
Deductible for tax purposes								397,000,000
Operating profit	474,500,000	457,800,000	1,414,200,000	1,292,800,000													266,300,000	264,600,000	722,300,000	730,000,000			44,700,000	7,000,000	198,100,000	20,900,000			163,500,000	186,200,000	493,800,000	541,900,000
Debt Instrument, Face Amount																$ 1,500,000,000