RESTRUCTURING (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended				3 Months Ended	6 Months Ended	12 Months Ended				3 Months Ended			6 Months Ended		10 Months Ended
	Nov. 24, 2013 SCAE Plan [Member]	Nov. 24, 2013 Ralcorp Pre-acquisition Restructuring	Nov. 24, 2013 Ralcorp Pre-acquisition Restructuring	Nov. 25, 2012 Network Optimization Plan	Nov. 25, 2012 Network Optimization Plan	May 26, 2013 Network Optimization Plan	May 26, 2013 Network Optimization Plan Consumer Foods	May 26, 2013 Network Optimization Plan Commercial Foods	May 26, 2013 Network Optimization Plan Corporate	Nov. 25, 2012 Administrative Efficiency Restructuring Plan	Nov. 25, 2012 Administrative Efficiency Restructuring Plan	May 26, 2013 Administrative Efficiency Restructuring Plan	May 26, 2013 Administrative Efficiency Restructuring Plan Consumer Foods	May 26, 2013 Administrative Efficiency Restructuring Plan Commercial Foods	May 26, 2013 Administrative Efficiency Restructuring Plan Corporate	Nov. 24, 2013 Acquisition Related Restructuring	Nov. 24, 2013 Acquisition Related Restructuring Consumer Foods	Nov. 25, 2012 Acquisition Related Restructuring Consumer Foods	Nov. 24, 2013 Acquisition Related Restructuring Consumer Foods	Nov. 25, 2012 Acquisition Related Restructuring Consumer Foods	Nov. 24, 2013 Acquisition Related Restructuring Consumer Foods	Nov. 24, 2013 Acquisition Related Restructuring Corporate
Restructuring Cost and Reserve [Line Items]
Restructured and related cost incurred to date		$ 3.9				$ 76.7	$ 59.9	$ 16.0	$ 0.8			$ 18.7	$ 13.8	$ 1.0	$ 3.9	$ 17.3					$ 14.8	$ 2.5
Restructuring and Related Cost, Incurred Cost		1.3	2.6	0.7	4.5					0.9	1.5						2.4	2.2	3.3	4.0
Restructuring and Related Cost, Expected Cost	200.0	4.2
Restructuring And Related Cost Expected Cash Outflows	155.0	2.5
Restructuring And Related Cost Expected Noncash Charges	$ 45.0	$ 1.7