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RESTRUCTURING ACTIVITIES (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended | 28 Months Ended
--- | --- | --- | ---
Feb. 22, 2015 | Nov. 23, 2014 | Aug. 24, 2014 | May. 31, 2015 | May. 25, 2014 | May. 26, 2013 | May. 31, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Increase to cost of goods sold |  |  |  | $ 12,523.9 | $ 12,331.7 | $ 10,104.4 |
Decrease to selling, general, and administrative expenses |  |  |  | (3,472.1) | (2,771.2) | (2,065.9) |
SCAE Plan |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and Related Cost, Approved Cost |  |  |  | 394.0 |  |  |
Restructuring and related cost, expected cost |  |  |  | 267.3 |  |  | $ 267.3
Expenses that have resulted or will result in cash outflows |  |  |  | 177.3 |  |  |
Non-cash expenses |  |  |  | 90.0 |  |  |
Restructuring And Related Cost Cash Outflows |  |  |  | 38.4 |  |  |
Restructuring And Related Cost Noncash Charges |  |  |  | 46.8 |  |  |
Restructuring And Related Cost Incurred Cash Outflows |  |  |  |  |  |  | 127.2
Restructuring And Related Cost Incurred Noncash Charges |  |  |  |  |  |  | 70.1
Restructuring and related cost, incurred cost |  |  |  | 85.2 |  |  |
SCAE Plan | Consumer Foods |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, expected cost |  |  |  | 84.8 |  |  | 84.8
Restructuring and related cost, incurred cost |  |  |  | 35.1 |  |  |
Acquisition-Related Restructuring |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, expected cost |  |  |  | 23.7 |  |  | $ 23.7
Expenses that have resulted or will result in cash outflows |  |  |  | 15.8 |  |  |
Non-cash expenses |  |  |  | 7.9 |  |  |
Acquisition-Related Restructuring | Consumer Foods |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, incurred cost |  |  |  | $ 0.3 | 9.4 |  |
Other Restructuring Plans |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, incurred cost |  |  |  |  | 2.4 | $ 7.6 |
Restatement Adjustment | Correction to Property Classify Accelerated Depreciation Related to Restructuring Activities |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Increase to cost of goods sold | $ 3.9 | $ 8.5 | $ 8.0 |  | 17.5 |  |
Decrease to selling, general, and administrative expenses | $ 3.9 | $ 8.5 | $ 8.0 |  | $ 17.5 |  |

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