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Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Inventory Disclosures (Details) - USD ($) $ in Thousands | Feb. 01, 2019 | Feb. 02, 2018 | Jan. 27, 2017 | Jan. 29, 2016
--- | --- | --- | --- | ---
Inventory Trade Credits [Line Items] |  |  |  |
Allowance for Doubtful Accounts Receivable | $ 542 | $ 637 | $ 579 | $ 626
FIFO Method Effect | 1,100 | 1,000 |  |
Accounts Receivable [Member] |  |  |  |
Inventory Trade Credits [Line Items] |  |  |  |
Trade Credits Receivable | 300 | $ 900 |  |
Other Current Assets [Member] |  |  |  |
Inventory Trade Credits [Line Items] |  |  |  |
Trade Credits Receivable | $ 3,500 |  |  |
UNITED STATES |  |  |  |
Inventory Trade Credits [Line Items] |  |  |  |
Percentage of LIFO Inventory |  | 88.00% |  |

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