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RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Restructuring Expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 01, 2020 | Aug. 03, 2019 | Jul. 28, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring, acquisition and integration related expenses | $ 86,383 | $ 148,195 | $ 9,738
2019 SUPERVALU INC. restructuring expenses | SUPERVALU |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring, acquisition and integration related expenses | 4,898 | 74,414 | 0
Integration and acquisition costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring, acquisition and integration related expenses | 41,610 | 51,245 | 4,967
Closed property charges and costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring, acquisition and integration related expenses | 39,875 | 22,536 | 0
2018 Earth Origins Market restructuring expenses and loss on sale | 2018 Earth Origins Market |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring, acquisition and integration related expenses | $ 0 | $ 0 | $ 4,771

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