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LONG-TERM DEBT - Term Loan Facility, Narrative (Details) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Oct. 22, 2020 | Oct. 21, 2019 | Oct. 22, 2018 | Jan. 30, 2021 | Oct. 31, 2020 | Jan. 30, 2021 | Aug. 01, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |
Pledged assets separately reported, real estate pledged as collateral, at fair value |  |  |  | $ 587,100,000 |  | $ 587,100,000 |
Debt issuance costs, net |  |  |  | 37,128,000 |  | 37,128,000 | $ 45,846,000
Original issue discount on debt |  |  |  | 18,597,000 |  | 18,597,000 | 35,508,000
Current portion of long-term debt |  |  |  | $ 12,991,000 |  | 12,991,000 | $ 70,632,000
London interbank offered rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, minimum variable rate (as a percent) |  |  |  | 0.00% |  |  |
Term Loan Facility | Secured debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of debt |  |  |  |  | $ 108,000,000.0 |  |
Required prepayments of debt |  |  |  |  | 72,000,000.0 |  |
Term Loan Facility, Term B Tranche | Secured debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of debt | $ 500,000,000.0 |  |  |  | 500,000,000.0 | $ 758,000,000.0 |
Required prepayments of debt |  |  |  |  | 72,000,000.0 |  |
Senior Notes due 2028, 6.750% |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  | $ 500,000,000.0 |  |
Secured debt | Term Loan Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 1,950,000,000.0 |  |  |  |
Line of credit, additional borrowing capacity |  |  | 656,300,000 |  |  |  |
Debt instrument, guarantees exception, carrying value of owned real property |  |  | 10,000,000.0 |  |  |  |
Debt instrument, covenant compliance, percentage of proceeds from certain types of asset sales to be used to prepay loans outstanding (as a percent) |  |  |  |  |  | 100.00% |
Debt instrument, covenant compliance, threshold, loans outstanding required to be paid following specified term following fiscal year end |  |  |  | $ 10,000,000 |  | $ 10,000,000 |
Debt issuance costs, net |  |  |  | 18,800,000 |  | 18,800,000 |
Original issue discount on debt |  |  |  | 18,400,000 |  | $ 18,400,000 |
Secured debt | Term Loan Facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, covenant compliance, percentage of loans outstanding required to be paid following specified term following fiscal year end (as a percent) |  |  |  |  |  | 0.00% |
Secured debt | Term Loan Facility | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Period to prepay loans outstanding |  |  |  |  |  | 130 days |
Debt instrument, covenant compliance, percentage of loans outstanding required to be paid following specified term following fiscal year end (as a percent) |  |  |  |  |  | 75.00% |
Secured debt | Term Loan Facility, Term B Tranche |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 1,800,000,000.0 | 1,015,000,000.0 |  | $ 1,015,000,000.0 |
Debt instrument, term |  |  | 7 years |  |  |  |
Current portion of long-term debt |  |  |  | $ 0 |  | $ 0 |
Secured debt | Term Loan Facility, Term B Tranche | Base rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 3.25% |  |  |
Secured debt | Term Loan Facility, Term B Tranche | London interbank offered rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 4.25% |  |  |
Secured debt | Term Loan Facility, 364-day Tranche |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 150,000,000.0 |  |  |  |
Debt instrument, term |  |  | 364 days |  |  |  |
Outstanding borrowings |  | $ 52,800,000 |  |  |  |  |
Senior notes | Senior Notes due 2028, 6.750% |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | $ 500,000,000.0 |  |  |  |  |  |
Debt instrument, term |  |  |  |  | 8 years |  |

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