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BENEFIT PLANS - Amounts Recognized in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | Jan. 26, 2019 | Oct. 22, 2018 | Jul. 28, 2018
--- | --- | --- | ---
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Pension and other postretirement benefit obligations | $ 222,231 |  | $ 0
Pension Benefits |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Accrued compensation and benefits |  | $ 1,300 |
Pension and other postretirement benefit obligations |  | 193,634 |
Total |  | 194,934 |
Other Postretirement Benefits |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Accrued compensation and benefits |  | 0 |
Pension and other postretirement benefit obligations |  | 40,690 |
Total |  | $ 40,690 |
Post-Employment Benefits |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Accrued compensation and benefits | 2,730 |  |
Pension and other postretirement benefit obligations | 5,135 |  |
Total | $ 7,865 |  |

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