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RESTRUCTURING ACTIVITIES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Nov. 26, 2017 | Nov. 27, 2016 | Nov. 26, 2017 | Nov. 27, 2016 | Feb. 28, 2016
Discontinued operations, disposed of by sale | Private Brands |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Charges that have resulted or will result in cash outflows from plan inception | $ 84.5 |  | $ 84.5 |  | $ 84.5
Non-cash charges from plan inception | 45.7 |  | 45.7 |  | 45.7
Pre-tax expenses from plan inception | 130.2 |  | 130.2 |  | $ 130.2
Discontinued operations, spinoff | Lamb Weston |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Charges that have resulted or will result in cash outflows from plan inception | 2.1 |  | 2.1 |  |
SCAE Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Approved expenses (up to) in connection with the SCAE Plan | 900.9 |  | 900.9 |  |
Charges incurred or expected to be incurred | 464.8 |  | 464.8 |  |
Cash charges incurred or expected to be incurred | 320.7 |  | 320.7 |  |
Non-cash charges incurred or expected to be incurred | 144.1 |  | 144.1 |  |
Recognized charges | 7.1 | $ 19.8 | 18.5 | $ 33.9 |
Charges that have resulted or will result in cash outflows | 7.7 |  | 12.5 |  |
Non-cash charges | 0.6 |  | 6.0 |  |
Charges that have resulted or will result in cash outflows from plan inception | 298.0 |  | 298.0 |  |
Non-cash charges from plan inception | $ 142.8 |  | $ 142.8 |  |

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