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Commitments and Contingencies - Narrative (Detail) - USD ($) | Jul. 31, 2022 | May 01, 2022 | [1] | Aug. 01, 2021
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Commitments and Contingencies Disclosure [Line Items] |  |  |
Accounts payable for capital expenditures | $ 346,000 | $ 473,000 | $ 48,000
Mattress Fabrics [Member] | Capital Addition Purchase Commitments [Member] |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |
Open purchase commitments for equipment | $ 240,000 |  |
[1] | Derived from audited 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 Purchase commitments to acquire equipment. + References No definition available. + Details
Name: | culp_PurchaseCommitmentsToAcquireEquipment
Namespace Prefix: | culp_
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: |