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Note 2 - Restructuring Activities - Restructuring Plan Expenses (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 51 Months Ended
--- | --- | --- | ---
Feb. 26, 2023 | Feb. 27, 2022 | Feb. 26, 2023 | Feb. 27, 2022 | Feb. 26, 2023
Restructuring and Related Cost, Expected Cost, Total | $ 153.8 |  | $ 153.8 |  | $ 153.8
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 0.6
Corporate, Non-Segment [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 11.1 |  | 11.1 |  | 11.1
Restructuring and Related Cost, Incurred Cost |  |  |  |  |
Conagra Restructuring Plan [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 154.4 |  | 154.4 |  | 154.4
Restructuring and Related Cost, Incurred Cost | 1.6 | $ 10.5 | 7.5 | $ 25.6 | 149.7
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 | 73.7 |  | 73.7 |  | 73.7
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 73.1
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 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 0.0
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 |  |  |  |  | 11.3
Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 0.0
Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 84.9 |  | 84.9 |  | 84.9
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 84.4
Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 0.0
Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 19.1 |  | 19.1 |  | 19.1
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 19.1
Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 4.8 |  | 4.8 |  | 4.8
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 4.9
Asset Impairment Net Of Gains On Disposal [Member] | Conagra Restructuring Plan [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 22.9 |  | 22.9 |  | 22.9
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 |  | 0.0 |  | 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 | 8.7 |  | 8.7 |  | 8.7
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 5.6
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 |  |  |  |  | 5.2
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 |  |  |  |  | 0.7
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 |  |  |  |  | 0.1
Other Net [Member] | Conagra Restructuring Plan [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 17.5 |  | 17.5 |  | 17.5
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 16.5
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 |  |  |  |  | 0.4
Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 68.9 |  | 68.9 |  | 68.9
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 64.7
Other Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan [Member] | Corporate, Non-Segment [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 11.1 |  | 11.1 |  | 11.1
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 10.6
Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan [Member] |  |  |  |  |
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 149.1
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 |  |  |  |  | 10.6
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 | 89.3 |  | 89.3 |  | 89.3
Restructuring and Related Cost, Incurred Cost | 0.2 |  | 0.4 |  |
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 | 0.0 |  | 0.0 |  | 33.2
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 | 0.0 |  | 0.0 |  | 8.7
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 | 0.0 |  | 0.0 |  | 41.9
Grocery And Snacks [Member] | Severance And Related Costs [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 11.5 |  | 11.5 |  | 11.5
Restructuring and Related Cost, Incurred Cost | (0.2) |  | (0.2) |  | 11.4
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] | Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.6 |  | 0.6 |  | 0.6
Restructuring and Related Cost, Incurred Cost | 0.3 |  | 0.3 |  | 0.3
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 |  |  | 0.1 |  | 0.5
Grocery And Snacks [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 12.9 |  | 12.9 |  | 12.9
Restructuring and Related Cost, Incurred Cost | 0.1 |  | 0.2 |  | 12.8
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 | 47.4 |  | 47.4 |  | 47.4
Restructuring and Related Cost, Incurred Cost | 0.2 |  | 0.4 |  | 46.9
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 |  |  |  |  | 88.8
Refrigerated And Frozen [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 51.7 |  | 51.7 |  | 51.7
Restructuring and Related Cost, Incurred Cost | 1.6 |  | 3.0 |  |
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 | 40.5 |  | 40.5 |  | 40.5
Restructuring and Related Cost, Incurred Cost | 0.3 |  | 0.3 |  | 39.9
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 | 0.1 |  | 0.3 |  | 2.6
Refrigerated And Frozen [Member] | Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 43.0 |  | 43.0 |  | 43.0
Restructuring and Related Cost, Incurred Cost | 0.4 |  | 0.6 |  | 42.5
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 | 0.0 |  | 0.0 |  | 1.2
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 | 0.9 |  | 0.9 |  | 0.9
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 0.8
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 | 0.1 |  | 0.1 |  | 0.1
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
Refrigerated And Frozen [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 4.1 |  | 4.1 |  | 4.1
Restructuring and Related Cost, Incurred Cost | 1.1 |  | 2.2 |  | 3.3
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 | 8.7 |  | 8.7 |  | 8.7
Restructuring and Related Cost, Incurred Cost | 1.2 |  | 2.4 |  | 5.5
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 |  |  |  |  | 48.0
International [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 1.4 |  | 1.4 |  | 1.4
Restructuring and Related Cost, Incurred Cost | (0.2) |  | 4.1 |  |
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 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.0 |  | 0.0 |  | 0.0
International [Member] | Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.0 |  | 0.0 |  | 0.0
International [Member] | Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.0 |  | 0.0 |  | 0.0
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 | (0.2) |  | 0.5 |  | 1.3
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] | Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.1 |  | 3.5 |  | 0.0
International [Member] | Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost |  |  | 0.0 |  | 0.0
International [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | (0.1) |  | 0.1 |  | 0.0
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 | (0.2) |  | 4.1 |  | 1.4
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
Foodservice [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.3 |  | 0.3 |  | 0.3
Restructuring and Related Cost, Incurred Cost | 1.6 |  | 7.5 |  |
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 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.3 |  | 0.3 |  | 0.0
Foodservice [Member] | Other Cost of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.1 |  | 0.3 |  | 0.0
Foodservice [Member] | Costs Of Goods Sold [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.4 |  | 0.6 |  | 0.0
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 | (0.4) |  | 0.3 |  | 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 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost |  |  |  |  | 0.0
Foodservice [Member] | Consulting And Professional Fees [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 0.5 |  | 3.9 |  | 0.0
Foodservice [Member] | Contract And Lease Termination Expenses [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost |  |  | 0.2 |  | 0.0
Foodservice [Member] | Other Net [Member] | Conagra Restructuring Plan [Member] | Operating Segments [Member] |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 0.0 |  | 0.0 |  | 0.0
Restructuring and Related Cost, Incurred Cost | 1.1 |  | 2.5 |  | 0.0
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 | $ 1.2 |  | $ 6.9 |  | 0.3
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

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