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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 01, 2020 | Jan. 30, 2021 | Feb. 01, 2020 | Feb. 02, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Net increase in retained earnings as a cumulative effect of adoption |  | $ 406,655 | $ 395,761 |
Operating Lease, Liability |  | 231,416 |  | $ 251,700
Operating lease right-of-use assets |  | 205,639 | 215,007 | 25,800
Capital Lease Obligations |  |  |  | 2,600
Cash and cash equivalents |  | 106,532 | 61,899 |
Credit and debit card receivables |  | $ 5,300 | 10,000 |
Credit and debit card receivable, settlement period, low end of range |  | 3 days |  |
Advertising expenses |  | $ 42,100 | $ 40,000 | $ 41,200
COVID-19 Impacts [Member] |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Percentage of stores opened | 50.00% |  |  |
Percentage of stores opened, effective date |  | early June |  |
Adoption of Accounting Standards Codification 606 |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] |  | true |  |
Change in Accounting Principle, Accounting Standards Update, Adoption Date |  | May 05, 2018 |  |
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] |  | true |  |
Adoption of Accounting Standards Codification 606 | Cumulative Effect, Period of Adoption, Adjustment [Member] | Revision of Prior Period, Adjustment [Member] |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Net increase in retained earnings as a cumulative effect of adoption |  | $ 620,000 |  |
Adoption of Accounting Standards Codification 842 |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] |  | true |  |
Change in Accounting Principle, Accounting Standards Update, Adoption Date |  | May 04, 2019 |  |
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] |  | true |  |

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