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RESTRUCTURING ACTIVITIES - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended | 30 Months Ended
--- | --- | ---
May 30, 2021 | May 31, 2020 | May 26, 2019 | May 30, 2021
Pinnacle Integration Restructuring Plan |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Charges expected to be incurred | $ 358.0 |  |  | $ 358.0
Cash charges incurred or expected to be incurred | 283.5 |  |  | 283.5
Non-cash charges incurred or expected to be incurred | 74.5 |  |  | 74.5
Recognized charges | 31.7 | $ 73.8 | $ 168.2 | 273.7
Charges that have resulted or will result in cash outflows | 28.5 |  |  |
Non-cash charges | 3.2 |  |  |
Charges that have resulted or will result in cash outflows |  |  |  | 240.9
Non-cash charges |  |  |  | 32.8
Conagra Restructuring Plan |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Charges expected to be incurred | 157.3 |  |  | 157.3
Cash charges incurred or expected to be incurred | 36.9 |  |  | 36.9
Non-cash charges incurred or expected to be incurred | 120.4 |  |  | 120.4
Recognized charges | 46.2 | $ 64.4 | $ 2.2 | 112.8
Charges that have resulted or will result in cash outflows | 11.3 |  |  |
Non-cash charges | 34.9 |  |  |
Charges that have resulted or will result in cash outflows |  |  |  | 24.1
Non-cash charges |  |  |  | 88.7
Charges approved for incurrence | 172.2 |  |  | 172.2
Cash charges approved for incurrence | 45.4 |  |  | 45.4
Non-cash charges approved for incurrence | $ 126.8 |  |  | $ 126.8

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