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BUSINESS SEGMENTS AND RELATED INFORMATION - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 26, 2017 USD ($) | Nov. 27, 2016 USD ($) | Nov. 26, 2017 USD ($) segment | Nov. 27, 2016 USD ($) | May 28, 2017 USD ($)
Segment Reporting [Abstract] |  |  |  |  |
Number of reportable segments | segment |  |  | 5 |  |
Cumulative net derivative losses from economic hedges recognized in general corporate expenses | $ (1.9) |  | $ (1.9) |  |
Net losses incurred |  |  | 0.6 |  |
Net losses incurred in prior fiscal years |  |  |  |  | $ 1.3
Losses expected to be reclassified |  |  | 1.8 |  |
Losses expected to be reclassified in fiscal 2019 and thereafter |  |  | 0.1 |  |
Total depreciation expense | 55.6 | $ 58.2 | 111.7 | $ 117.0 |
Revenue, Major Customer [Line Items] |  |  |  |  |
Accounts payable to suppliers who utilize third-party service | $ 68.7 |  | $ 68.7 |  |
Customer concentration risk | Wal-Mart Stores, Inc. and affiliates | Net sales |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Concentration risk (as a percent) | 24.00% | 24.00% | 24.00% | 24.00% |
Customer concentration risk | Wal-Mart Stores, Inc. and affiliates | Net receivables |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  | 28.00% |  | 26.00%

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