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Income Taxes - Summary of Change in Valuation Allowances Against U.S. Net Deferred Income Tax Assets (Parenthetical) (Detail) - U.S. Federal Tax Authorities [Member] $ in Millions | May 01, 2022 USD ($)
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Valuation Allowance [Line Items] |
Capital loss carryforwards | $ 10.9
Capital loss carryforward, related future tax benefits | $ 2.3

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- Definition Capital loss carryforward, related future tax benefits. + References No definition available. + Details
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Namespace Prefix: | culp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Capital loss carryforwards. + References No definition available. + Details
Name: | culp_CapitalLossCarryforwards
Namespace Prefix: | culp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ValuationAllowanceLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=culp_InternalRevenueServiceAndStateTaxAuthoritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |