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Derivatives - Narrative (Detail) - Derivatives Designated as Hedging Instruments [Member] - EURO Foreign Exchange Contract [Member] | 3 Months Ended
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Apr. 29, 2018
Derivatives, Fair Value [Line Items] |
Derivative exchange rate, EURO to U.S. Dollar | 1.263
Derivative contract expiration | 2018-08

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- Definition Month and year the derivative contract matures, in CCYY-MM format. + References No definition available. + Details
Name: | culp_DerivativeMaturityMonthAndYear
Namespace Prefix: | culp_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual rate at which a foreign currency can be purchased or sold. + References No definition available. + Details
Name: | us-gaap_DerivativeForwardExchangeRate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
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_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |