Note 2 - Restructuring Activities - Restructuring Plan Expenses (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 48 Months Ended |
Nov. 27, 2022 | Nov. 28, 2021 | Nov. 27, 2022 | Nov. 28, 2021 | Nov. 27, 2022 |
Restructuring and Related Cost, Expected Cost, Total | $ 152 | | $ 152 | | $ 152 |
Restructuring and Related Cost, Incurred Cost | | | 0.6 | | |
Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 11.4 | | 11.4 | | 11.4 |
Restructuring and Related Cost, Incurred Cost | | | | | |
Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 152.6 | | 152.6 | | 152.6 |
Restructuring and Related Cost, Incurred Cost | 1.8 | $ 6.6 | 5.9 | $ 15.1 | 148.1 |
Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | | | | | |
Accelerated Depreciation Related To Cost Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 72.8 | | 72.8 | | 72.8 |
Restructuring and Related Cost, Incurred Cost | | | | | 72.8 |
Accelerated Depreciation Related To Cost Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 19.5 | | 19.5 | | 19.5 |
Restructuring and Related Cost, Incurred Cost | 0.5 | | 0.7 | | 19.5 |
Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 5.1 | | 5.1 | | 5.1 |
Restructuring and Related Cost, Incurred Cost | 0.7 | | 0.7 | | 5.1 |
Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 11.2 | | 11.2 | | 11.2 |
Restructuring and Related Cost, Incurred Cost | | | 0.2 | | 11.2 |
Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | 0 | | 0 |
Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.7 | | 0.7 | | 0.7 |
Restructuring and Related Cost, Incurred Cost | 0.1 | | 0.2 | | 0.7 |
Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.1 | | 0.1 | | 0.1 |
Restructuring and Related Cost, Incurred Cost | 0 | | 0 | | 0.1 |
Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 84 | | 84 | | 84 |
Restructuring and Related Cost, Incurred Cost | | | 0.2 | | 84 |
Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | 0 | | 0 |
Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 8.6 | | 8.6 | | 8.6 |
Restructuring and Related Cost, Incurred Cost | 0.4 | | 3.4 | | 5.1 |
Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 5.7 | | 5.7 | | 5.7 |
Restructuring and Related Cost, Incurred Cost | 0.4 | | 3.4 | | 5.1 |
Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 68 | | 68 | | 68 |
Restructuring and Related Cost, Incurred Cost | 0.8 | | 5.7 | | 63.5 |
Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 11.4 | | 11.4 | | 11.4 |
Restructuring and Related Cost, Incurred Cost | 0.1 | | 4.3 | | 10.8 |
Asset Impairment Net Of Gains On Disposal [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 22.8 | | 22.8 | | 22.8 |
Restructuring and Related Cost, Incurred Cost | | | | | 22.8 |
Asset Impairment Net Of Gains On Disposal [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Incurred Cost | 1.8 | | 5.9 | | 147.5 |
Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Incurred Cost | 1.2 | | 4.3 | | 10.8 |
Other Net [Member] | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 16.4 | | 16.4 | | 16.4 |
Restructuring and Related Cost, Incurred Cost | | | 1.4 | | 15.4 |
Other Net [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.5 | | 0.5 | | 0.5 |
Restructuring and Related Cost, Incurred Cost | | | 0.2 | | 0.5 |
Pension And Postretirement Nonservice Cost Income Member | Conagra Restructuring Plan [Member] | | | | | |
Restructuring and Related Cost, Incurred Cost | | | | | 0.6 |
Grocery And Snacks [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 89.2 | | 89.2 | | 89.2 |
Restructuring and Related Cost, Incurred Cost | | | | | |
Grocery And Snacks [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | | | | | |
Grocery And Snacks [Member] | Accelerated Depreciation Related To Cost Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 33.2 | | 33.2 | | 33.2 |
Restructuring and Related Cost, Incurred Cost | | | | | 33.2 |
Grocery And Snacks [Member] | Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 11.6 | | 11.6 | | 11.6 |
Restructuring and Related Cost, Incurred Cost | (0.1) | | 0 | | 11.6 |
Grocery And Snacks [Member] | Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 8.7 | | 8.7 | | 8.7 |
Restructuring and Related Cost, Incurred Cost | | | 0 | | 8.7 |
Grocery And Snacks [Member] | Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.5 | | 0.5 | | 0.5 |
Restructuring and Related Cost, Incurred Cost | 0 | | 0.1 | | 0.5 |
Grocery And Snacks [Member] | Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 41.9 | | 41.9 | | 41.9 |
Restructuring and Related Cost, Incurred Cost | | | 0 | | 41.9 |
Grocery And Snacks [Member] | Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.5 | | 0.5 | | 0.5 |
Restructuring and Related Cost, Incurred Cost | 0 | | 0 | | 0 |
Grocery And Snacks [Member] | Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 47.3 | | 47.3 | | 47.3 |
Restructuring and Related Cost, Incurred Cost | 0 | | 0.2 | | 46.7 |
Grocery And Snacks [Member] | Asset Impairment Net Of Gains On Disposal [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 21.9 | | 21.9 | | 21.9 |
Restructuring and Related Cost, Incurred Cost | | | | | 21.9 |
Grocery And Snacks [Member] | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Incurred Cost | (0.1) | | 0.2 | | 88.6 |
Grocery And Snacks [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 12.8 | | 12.8 | | 12.8 |
Restructuring and Related Cost, Incurred Cost | | | 0.1 | | 12.7 |
Refrigerated And Frozen [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 49.7 | | 49.7 | | 49.7 |
Restructuring and Related Cost, Incurred Cost | | | | | |
Refrigerated And Frozen [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | | | | | |
Refrigerated And Frozen [Member] | Accelerated Depreciation Related To Cost Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 39.6 | | 39.6 | | 39.6 |
Restructuring and Related Cost, Incurred Cost | | | | | 39.6 |
Refrigerated And Frozen [Member] | Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 1.2 | | 1.2 | | 1.2 |
Restructuring and Related Cost, Incurred Cost | (0.1) | | 0 | | 1.2 |
Refrigerated And Frozen [Member] | Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 2.5 | | 2.5 | | 2.5 |
Restructuring and Related Cost, Incurred Cost | | | 0.2 | | 2.5 |
Refrigerated And Frozen [Member] | Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.1 | | 0.1 | | 0.1 |
Restructuring and Related Cost, Incurred Cost | 0.1 | | 0.1 | | 0.1 |
Refrigerated And Frozen [Member] | Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 42.1 | | 42.1 | | 42.1 |
Restructuring and Related Cost, Incurred Cost | | | 0.2 | | 42.1 |
Refrigerated And Frozen [Member] | Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 2.4 | | 2.4 | | 2.4 |
Restructuring and Related Cost, Incurred Cost | 0 | | 0 | | 0 |
Refrigerated And Frozen [Member] | Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 7.6 | | 7.6 | | 7.6 |
Restructuring and Related Cost, Incurred Cost | 0.7 | | 1.2 | | 4.3 |
Refrigerated And Frozen [Member] | Asset Impairment Net Of Gains On Disposal [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.8 | | 0.8 | | 0.8 |
Restructuring and Related Cost, Incurred Cost | | | | | 0.8 |
Refrigerated And Frozen [Member] | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Incurred Cost | 0.7 | | 1.4 | | 46.4 |
Refrigerated And Frozen [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 3.1 | | 3.1 | | 3.1 |
Restructuring and Related Cost, Incurred Cost | | | 1.1 | | 2.2 |
International [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 1.4 | | 1.4 | | 1.4 |
Restructuring and Related Cost, Incurred Cost | | | | | |
International [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | | | | | |
International [Member] | Accelerated Depreciation Related To Cost Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
International [Member] | Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 1.3 | | 1.3 | | 1.3 |
Restructuring and Related Cost, Incurred Cost | | | | | 1.3 |
International [Member] | Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
International [Member] | Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
International [Member] | Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
International [Member] | Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
International [Member] | Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 1.4 | | 1.4 | | 1.4 |
Restructuring and Related Cost, Incurred Cost | | | | | 1.4 |
International [Member] | Asset Impairment Net Of Gains On Disposal [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.1 | | 0.1 | | 0.1 |
Restructuring and Related Cost, Incurred Cost | | | | | 0.1 |
International [Member] | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Incurred Cost | | | | | 1.4 |
International [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Foodservice [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.3 | | 0.3 | | 0.3 |
Restructuring and Related Cost, Incurred Cost | | | | | |
Foodservice [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | | | | | |
Foodservice [Member] | Accelerated Depreciation Related To Cost Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Foodservice [Member] | Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.3 | | 0.3 | | 0.3 |
Restructuring and Related Cost, Incurred Cost | | | | | 0.3 |
Foodservice [Member] | Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Foodservice [Member] | Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Foodservice [Member] | Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Foodservice [Member] | Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Foodservice [Member] | Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0.3 | | 0.3 | | 0.3 |
Restructuring and Related Cost, Incurred Cost | | | | | 0.3 |
Foodservice [Member] | Asset Impairment Net Of Gains On Disposal [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | 0 | | 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | 0 |
Foodservice [Member] | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Incurred Cost | | | | | 0.3 |
Foodservice [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] | | | | | |
Restructuring and Related Cost, Expected Cost, Total | $ 0 | | $ 0 | | 0 |
Restructuring and Related Cost, Incurred Cost | | | | | $ 0 |