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RESTRUCTURING ACTIVITIES (Narrative) (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2016 USD ($) | Nov. 29, 2015 USD ($) building | May 29, 2016 USD ($) | May 31, 2015 USD ($) | May 25, 2014 USD ($)
SCAE Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Approved expenses (up to) |  |  | $ 739.0 |  |
Restructuring and related cost, expected cost |  |  | 443.9 |  |
Restructuring And Related Cost Expected Cash Outflows From Inception |  |  | 315.5 |  |
Restructuring And Related Cost Expected Noncash Charges From Inception |  |  | 128.4 |  |
Expenses that have resulted or will result in cash outflows |  |  | 195.7 |  |
Non-cash expenses |  |  | 86.2 |  |
Restructuring and related cost, incurred cost |  |  | 281.8 | $ 47.7 | $ 31.3
Property Subject to or Available for Operating Lease, Number of Units | building |  | 2 |  |  |
Loss on Contract Termination |  | $ 55.6 |  |  |
Financial Lease Obligations |  | $ 74.2 |  |  |
Restructuring And Related Cost Incurred Cash Outflows |  |  | 248.8 |  |
Restructuring And Related Cost Incurred Noncash Charges |  |  | 112.0 |  |
Acquisition-Related Restructuring |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost, expected cost |  |  | 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 |  |  | $ 0.2 | $ 9.4 |
Private Brands |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost, incurred cost | $ 11.8 |  |  |  |
Restructuring And Related Cost Incurred Cash Outflows | 84.5 |  |  |  |
Restructuring And Related Cost Incurred Noncash Charges | 45.7 |  |  |  |
Restructuring and Related Cost, Incurred Cost From Inception | $ 130.2 |  |  |  |

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