Restructuring (Details Textual) (USD $) In Millions	3 Months Ended								12 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Aug. 28, 2011 Consumer Foods [Member] Administrative Efficiency Restructuring Plan [Member]	Aug. 28, 2011 Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Consumer Foods [Member] Asset impairment charge [Member] 2010 Plan [Member]	May 30, 2010 Consumer Foods [Member] 2010 Plan [Member]	May 30, 2010 Asset impairment charge [Member] 2010 Plan [Member]	Aug. 28, 2011 2010 Plan [Member]	Aug. 29, 2010 2010 Plan [Member]	May 30, 2010 2010 Plan [Member]	May 29, 2011 2010 Plan [Member]	May 30, 2010 2010 Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Asset impairment charge [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Asset impairment charge [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Asset impairment charge [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Asset impairment charge [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Network Optimization Plan [Member]	Aug. 28, 2011 Network Optimization Plan [Member]
Restructuring (Textuals) [Abstract]
Restructuring and related cost, expected cost	$ 15.6	$ 21.6	$ 16.9	$ 63.2	$ 16.9		$ 66.8	$ 66.8			$ 10.6		$ 51.4		$ 24.4		$ 68.3
Restructuring and Related Cost, Incurred Cost	7.5	11.3	16.8	62.8	16.8			66.4			2.1	10.6	7.0	26.6	5.5	24.4	10.8	41.2
Charges which have resulted or will result in cash outflows		20.2					28.2										25.4
Non-cash charges		1.4					38.6										42.9
Costs incurred related to restructuring plan									25.7	39.2
Restructuring and related pre tax charges						$ 1.5