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LONG-TERM DEBT - ABL Credit Facility, Narrative (Details) - USD ($) | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jan. 30, 2021 | Aug. 14, 2020 | Aug. 01, 2020 | Oct. 19, 2018 | Aug. 29, 2018
Debt Instrument [Line Items] |  |  |  |  |
Notes payable | $ 2,374,250,000 |  | $ 2,426,994,000 |  |
Debt issuance costs, net | $ 37,128,000 |  | $ 45,846,000 |  |
Line of credit | Letter of credit | ABL Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, fronting fee percentage | 0.125% |  |  |  |
Debt instrument, covenant, fixed charge coverage ratio, minimum | 1.0 |  |  |  |
Line of credit facility, maximum aggregate availability of the aggregate borrowing base | $ 235,000,000.0 |  |  |  |
Line of credit facility, maximum percentage of aggregate availability of the aggregate borrowing base | 10.00% |  |  |  |
Line of credit | Letter of credit | ABL Credit Facility | United States |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 300,000,000 |  | $ 300,000,000.0 |
Line of credit | Letter of credit | ABL Credit Facility | Canada |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 25,000,000 |  | 25,000,000.0 |
Line of credit | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Remaining availability under ABL credit facility | $ 1,117,774,000 |  |  |  |
Unused facility fees (as a percent) | 0.25% |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | 2,100,000,000.0 |
Line of credit facility, maximum borrowing capacity, optional increase |  |  |  | 600,000,000.0 |
Line of credit facility, maximum borrowing capacity, including optional increase |  |  |  | $ 2,700,000,000.0 |
Remaining availability under ABL credit facility | $ 1,117,800,000 |  |  |  |
Unused facility fees (as a percent) | 0.25% |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | Outstanding borrowings less than 25 percent of aggregate commitments |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unused facility fees (as a percent) | 0.375% |  |  |  |
Percentage of average daily total outstanding to aggregate commitments | 25.00% |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | Outstanding borrowings equal or greater than 25 percent of aggregate commitments |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unused facility fees (as a percent) | 0.25% |  |  |  |
Percentage of average daily total outstanding to aggregate commitments | 25.00% |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | Accounts receivable |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, borrowing base, eligibility percent |  |  |  | 90.00% |
Line of credit | Revolving credit facility | ABL Credit Facility | Credit card receivable |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, borrowing base, eligibility percent |  |  |  | 90.00% |
Line of credit | Revolving credit facility | ABL Credit Facility | Inventories |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, borrowing base, eligibility percent |  |  |  | 90.00% |
Line of credit | Revolving credit facility | ABL Credit Facility | Pharmacy receivable |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, borrowing base, eligibility percent |  |  |  | 90.00% |
Line of credit | Revolving credit facility | ABL Credit Facility | United States |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 2,050,000,000.0 |  |  | $ 2,050,000,000.0 |
Line of credit facility, borrowing capacity, reserves | 208,000,000.0 |  |  |  |
Line of credit facility, current borrowing capacity | 2,216,100,000 |  |  |  |
Notes payable | 885,000,000.0 |  |  |  |
Debt issuance costs, net | 9,700,000 |  |  |  |
Letters of credit outstanding, amount | $ 95,800,000 |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | United States | Base rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (as a percent) | 0.25% |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | United States | London interbank offered rate (LIBOR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (as a percent) | 1.25% |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | Canada |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 50,000,000.0 |  |  | 50,000,000.0 |
Line of credit facility, borrowing capacity, reserves | 4,200,000 |  |  |  |
Line of credit facility, current borrowing capacity | 48,600,000 |  |  |  |
Remaining availability under ABL credit facility | 2,098,600,000 |  |  |  |
Letters of credit outstanding, amount | $ 0 |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | Canada | Prime rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (as a percent) | 0.25% |  |  |  |
Line of credit | Revolving credit facility | ABL Credit Facility | Canada | Bankers acceptance equivalent rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (as a percent) | 1.25% |  |  |  |
Line of credit | Revolving credit facility | Former ABL credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  | $ 900,000,000.0
Line of credit | Bridge loan | ABL Credit Facility | United States |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | 100,000,000.0 |
Line of credit | Bridge loan | ABL Credit Facility | Canada |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 3,500,000 |

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