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Commitments and Contingencies - Narrative (Detail) - USD ($) | Jan. 26, 2025 | Apr. 28, 2024 | [1] | Jan. 28, 2024
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Commitments and Contingencies Disclosure [Line Items] |  |  |
Accounts payable for capital expenditures | $ 439,000 | $ 343,000 | $ 19,000
Mattress Fabrics [Member] | Capital Addition Purchase Commitments [Member] |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |
Open purchase commitments for equipment | $ 600,000 |  |
[1] | Derived from audited consolidated financial statements.

X
- Definition The carrying value as of the balance sheet date of obligations incurred and payable for the purchase of a building and equipment that are to be repaid within one year. + References No definition available. + Details
Name: | culp_AccountsPayableCapitalExpendituresCurrent
Namespace Prefix: | culp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commitments and contingencies disclosure. + References No definition available. + Details
Name: | culp_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix: | culp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=culp_MattressFabricsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=us-gaap_CapitalAdditionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |