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ACQUISITIONS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 26, 2019 | Oct. 22, 2018 | Jan. 26, 2019 | Oct. 27, 2018 | Jan. 27, 2018 | Jan. 26, 2019 | Jan. 27, 2018 | Jul. 28, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill | $ 481,095 |  | $ 481,095 |  |  | $ 481,095 |  | $ 362,495
Common stock, par value (in dollars per share) | $ 0.01 |  | $ 0.01 |  |  | $ 0.01 |  | $ 0.01
Net sales |  |  | $ 3,700,000 | $ 3,470,000 |  |  |  |
Supervalu |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  | $ 347,485 |  |  |  |  |  |
Business Acquisition, Share Price |  | $ 32.50 |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 2,292,467 | $ 2,292,467 |  |  |  |  |  |
Payments for business acquisitions |  | 1,300,000 |  |  |  |  |  |
Less: assumed equity award liabilities |  | $ 1,000,000 |  |  |  |  |  |
Net sales |  |  |  |  | $ 6,159,106 | $ 12,134,176,000 | $ 12,056,161,000 |
Supervalu |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  | $ 0.01 |  |  |  |  |  |
Discontinued Operations [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  | $ 0 |  |  |  |  |  |

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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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