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ACQUISITIONS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Oct. 22, 2018 | May 02, 2020 | Aug. 03, 2019
Business Acquisition [Line Items] |  |  |
Common stock, par value (in dollars per share) |  | $ 0.01 | $ 0.01
Goodwill |  | $ 19,148 | $ 442,256
Supervalu |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Share Price | $ 32.50 |  |
Business Combination, Consideration Transferred | $ 2,300,000 | 2,292,435 |
Payments for business acquisitions | 1,300,000 |  |
Outstanding debt, excluding acquired senior notes | $ 1,000,000 | $ 1,046,170 |
Supervalu |  |  |
Business Acquisition [Line Items] |  |  |
Common stock, par value (in dollars per share) | $ 0.01 |  |
Discontinued Operations |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill | $ 0 |  |
Senior Notes | Supervalu |  |  |
Business Acquisition [Line Items] |  |  |
Outstanding debt, excluding acquired senior notes | $ 546,600 |  |

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