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Accrued Expenses - Narrative (Detail) - USD ($) | Nov. 01, 2020 | May 03, 2020 | Nov. 03, 2019
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Payables and Accruals [Line Items] |  |  |  |
Accrued expenses | $ 11,684,000 | $ 5,854,000 |  | $ 9,248,000
Current accrued expenses | $ 11,684,000 | 5,687,000 | [1] | 8,263,000
Long-term accrued expenses |  | $ 167,000 | [1] | 333,000
Current Liabilities - Discontinued Operation [Member] |  |  |  |
Payables and Accruals [Line Items] |  |  |  |
Accrued expenses |  |  |  | $ 652,000
[1] | Derived from audited financial statements.

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