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BUSINESS SEGMENTS AND RELATED INFORMATION - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 25, 2019 USD ($) segment | Aug. 26, 2018 USD ($) | May 26, 2019 USD ($)
Revenue, Major Customer [Line Items] |  |  |
Number of reportable segments | segment | 4 |  |
Cumulative net derivative losses from economic hedges recognized in general corporate expenses | $ 5.8 |  |
Net losses incurred | 6.9 |  |
Net gain incurred in prior fiscal years |  |  | $ 1.1
Losses expected to be reclassified in fiscal 2020 | (4.7) |  |
Gains expected to be reclassified in fiscal 2021 and thereafter | 1.1 |  |
Total depreciation expense | 81.7 | $ 55.4 |
Net sales | 2,390.7 | $ 1,834.4 |
Accounts payable to suppliers who utilize third-party service | $ 196.6 |  |
Customer concentration risk | Wal-Mart Stores, Inc. and affiliates | Net sales |  |  |
Revenue, Major Customer [Line Items] |  |  |
Concentration risk (as a percent) | 26.00% | 25.00% |
Customer concentration risk | Wal-Mart Stores, Inc. and affiliates | Net receivables |  |  |
Revenue, Major Customer [Line Items] |  |  |
Concentration risk (as a percent) | 30.00% |  | 30.00%
Non-US |  |  |
Revenue, Major Customer [Line Items] |  |  |
Net sales | $ 211.7 | $ 211.9 |

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