Restructuring (Details 1) (USD $) In Millions	3 Months Ended			6 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	3 Months Ended		6 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		3 Months Ended	6 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	3 Months Ended			6 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	3 Months Ended			6 Months Ended
	Aug. 28, 2011 Consumer Foods [Member] Selling, general and administrative expenses [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Consumer Foods [Member] Selling, general and administrative expenses [Member] 2010 Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Selling, general and administrative expenses [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Selling, general and administrative expenses [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Other, net [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Consumer Foods [Member] Other, net [Member] 2010 Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Other, net [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Other, net [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Severance and related costs [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Consumer Foods [Member] Severance and related costs [Member] 2010 Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Severance and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Severance and related costs [Member] Network Optimization Plan [Member]	May 30, 2010 Consumer Foods [Member] Asset impairment charge [Member] 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]	May 30, 2010 Consumer Foods [Member] Cost of goods sold [Member] 2010 Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Cost of goods sold [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Cost of goods sold [Member] Network Optimization Plan [Member]	May 30, 2010 Consumer Foods [Member] Accelerated depreciation [Member] 2010 Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Accelerated depreciation [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Accelerated depreciation [Member] Network Optimization Plan [Member]	May 30, 2010 Consumer Foods [Member] Inventory write-offs and related costs [Member] 2010 Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Inventory write-offs and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Inventory write-offs and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Consumer Foods [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Consumer Foods [Member] 2010 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 Corporate [Member] Selling, general and administrative expenses [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Corporate [Member] Selling, general and administrative expenses [Member] 2010 Plan [Member]	May 30, 2010 Corporate [Member] Other, net [Member] 2010 Plan [Member]	Aug. 28, 2011 Corporate [Member] Severance and related costs [Member] Administrative Efficiency Restructuring Plan [Member]	Aug. 28, 2011 Corporate [Member] Accelerated depreciation [Member] Administrative Efficiency Restructuring Plan [Member]	Aug. 28, 2011 Corporate [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Corporate [Member] 2010 Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Selling, general and administrative expenses [Member] Administrative Efficiency Restructuring Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Selling, general and administrative expenses [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Selling, general and administrative expenses [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Other, net [Member] Administrative Efficiency Restructuring Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Other, net [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Other, net [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Severance and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Asset impairment charge [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Asset impairment charge [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Cost of goods sold [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Cost of goods sold [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Inventory write-offs and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Administrative Efficiency Restructuring Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Commercial Foods [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Selling, general and administrative expenses [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Selling, general and administrative expenses [Member] 2010 Plan [Member]	Aug. 28, 2011 Selling, general and administrative expenses [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Selling, general and administrative expenses [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Other, net [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Other, net [Member] 2010 Plan [Member]	Aug. 28, 2011 Other, net [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Other, net [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Severance and related costs [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Severance and related costs [Member] 2010 Plan [Member]	Aug. 28, 2011 Severance and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Severance and related costs [Member] Network Optimization Plan [Member]	May 30, 2010 Asset impairment charge [Member] 2010 Plan [Member]	Aug. 28, 2011 Asset impairment charge [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Asset impairment charge [Member] Network Optimization Plan [Member]	May 30, 2010 Cost of goods sold [Member] 2010 Plan [Member]	Aug. 28, 2011 Cost of goods sold [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Cost of goods sold [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Accelerated depreciation [Member] Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 Accelerated depreciation [Member] 2010 Plan [Member]	Aug. 28, 2011 Accelerated depreciation [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Accelerated depreciation [Member] Network Optimization Plan [Member]	May 30, 2010 Inventory write-offs and related costs [Member] 2010 Plan [Member]	Aug. 28, 2011 Inventory write-offs and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Inventory write-offs and related costs [Member] Network Optimization Plan [Member]	Aug. 28, 2011 Administrative Efficiency Restructuring Plan [Member]	May 30, 2010 2010 Plan [Member]	Aug. 28, 2011 Network Optimization Plan [Member]	Aug. 28, 2011 Network Optimization Plan [Member]
Summary of incurred restructuring pre tax expenses
Restructuring and Related Cost, Incurred Cost	$ 7.5	$ 43.0	$ 3.9	$ 18.2	$ 2.2	$ 9.2	$ 1.2	$ 1.9	$ 5.3	$ 17.0	$ 0.6	$ 5.7	$ 16.8	$ 2.1	$ 10.6	$ 19.8	$ 3.1	$ 8.4	$ 19.1	$ 2.7	$ 7.8	$ 0.7	$ 0.4	$ 0.6	$ 7.5	$ 62.8	$ 7.0	$ 26.6	$ 3.4	$ 3.6	$ 3.6	$ 3.0	$ 0.4	$ 3.4	$ 3.6	$ 0.4	$ 3.8	$ 14.3	$ 0.4	$ 0.4	$ 0.4	$ 0.1	$ 3.4	$ 13.8	$ 0	$ 0.3	$ 0.3	$ 0.4	$ 3.8	$ 14.6	$ 11.3	$ 46.6	$ 7.7	$ 32.5	$ 2.6	$ 12.8	$ 1.6	$ 2.3	$ 8.3	$ 17.0	$ 0.6	$ 5.8	$ 16.8	$ 5.5	$ 24.4	$ 19.8	$ 3.1	$ 8.7	$ 0.4	$ 19.1	$ 2.7	$ 7.8	$ 0.7	$ 0.4	$ 0.9	$ 11.3	$ 66.4	$ 10.8	$ 41.2