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LONG-TERM DEBT AND REVOLVING CREDIT FACILITY - Narrative (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Nov. 09, 2016 | Feb. 26, 2017 | Nov. 26, 2017 | Nov. 27, 2016
Debt Instrument [Line Items] |  |  |  |
Principal balance of senior notes repaid |  |  | $ 4,800,000 | $ 555,800,000
Net loss on early retirement of debt |  |  | 0 | $ 60,600,000
0.50% floating rate notes due 2020 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount |  |  | 500,000,000.0 |
Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Net loss on early retirement of debt | $ 60,600,000 |  |  |
Senior notes | 5.819% senior notes due 2017 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Retirement of senior notes | 250,200,000 |  |  |
Senior notes | 7.0% senior notes due 2019 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Retirement of senior notes | 86,900,000 |  |  |
Senior notes | 1.9% senior notes due 2018 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Retirement of senior notes | 880,400,000 |  |  |
Senior notes | 2.1% senior notes due 2018 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Retirement of senior notes | 154,900,000 |  |  |
Senior notes | 4.95% senior notes due 2020 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Retirement of senior notes | 71,100,000 |  |  |
Discontinued operations, spinoff | Lamb Weston |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount of senior notes issued by Lamb Weston | $ 1,540,000,000 |  |  |
Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Net loss on early retirement of debt |  | $ 32,700,000 |  |
Senior notes | 5.819% senior notes due 2017 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal balance of senior notes repaid |  | $ 224,800,000 |  |
Stated interest rate | 5.819% | 5.819% |  |
Senior notes | 7.0% senior notes due 2019 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal balance of senior notes repaid |  | $ 248,200,000 |  |
Stated interest rate | 7.00% | 7.00% |  |
Senior notes | 1.9% senior notes due 2018 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate | 1.90% |  |  |
Senior notes | 2.1% senior notes due 2018 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate | 2.10% |  |  |
Senior notes | 4.95% senior notes due 2020 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate | 4.95% |  |  |
The Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum aggregate principal amount outstanding under revolving credit facility |  |  | 1,250,000,000.00 |
Maximum aggregate principal amount outstanding after increase with consent of lenders |  |  | $ 1,750,000,000.00 |
London Interbank Offered Rate (LIBOR) [Member] | 0.50% floating rate notes due 2020 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable interest rate |  |  | 0.50% |

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