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ACQUISITIONS - Schedule of Pro Forma Information (Details) - Supervalu - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
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Oct. 27, 2018 | [1] | Oct. 28, 2017 | [2]
Business Acquisition [Line Items] |  |
Net sales | $ 5,984,970 | $ 5,910,484
Net loss from continuing operations | $ (47,893) | $ (53,367)
Basic net loss continuing operations per share | $ (0.95) | $ (1.05)
Diluted net loss from continuing operations per share | $ (0.95) | $ (1.05)
[1] | Includes 12 weeks of pro forma Supervalu results for the period ended September 8, 2018.
[2] | Includes 13 weeks of pro forma Supervalu results for the period ended September 17, 2017 and 13 weeks of pro forma Associated Grocers of Florida, Inc. results for the period ended August 5, 2017, which was acquired by Supervalu on December 8, 2017.

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