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Stock-Based Compensation (Narrative) (Details) - Common Class A [Member] - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 29, 2023 | Jul. 30, 2022 | Jul. 29, 2023 | Jul. 30, 2022 | Jan. 28, 2023
Restricted Stock [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized Compensation Expense | $ 11,597,000 |  | $ 11,597,000 |  | $ 10,543,000
Remaining Weighted-Average Vesting Period |  |  | 2 years 7 months 6 days |  | 2 years 1 month 6 days
Compensation Expense | $ 1,230,000 | $ 1,403,000 | $ 2,158,000 | $ 2,006,000 |
Employee Stock Purchase Plan Share Purchase Discount Rate | 15.00% |  | 15.00% |  |
Employee Stock Purchase Plan [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Shares Sold |  |  | 26,127 | 12,196 |
Compensation Expense |  |  | $ 34,000 | $ 26,000 |
Employee Stock Purchase Plan Share Purchase Discount | $ 1.31 | $ 2.12 | $ 1.31 | $ 2.12 |

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