Availability of letters of credit that can be issued.

No definition available.

Name:	culp_AvailabilityOfLettersOfCreditCanBeIssued
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of line of credit facility, accounts receivable, borrowing base.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityAccountsReceivableBorrowingBasePercentage
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, borrowing base eligible in-transit inventory value.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityBorrowingBaseEligibleInTransitInventoryValue
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit facility, borrowing base percentage of eligible in-transit inventory value.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityBorrowingBasePercentageOfEligibleInTransitInventoryValue
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, covenant, borrowing base percentage of eligible inventory value.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityBorrowingBasePercentageOfEligibleInventoryValue
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, borrowing base percentage of eligible raw material inventory value.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityBorrowingBasePercentageOfEligibleRawMaterialInventoryValue
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, barrowing base percentage of net-orderly-liquidation value of eligible in-transit inventory value.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityBorrowingBasePercentageOfNetOrderlyLiquidationValueOfEligibleInTransitInventoryValue
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible inventory value.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityBorrowingBasePercentageOfNetOrderlyLiquidationValueOfEligibleInventoryValue
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible raw material inventory value.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityBorrowingBasePercentageOfNetOrderlyLiquidationValueOfEligibleRawMaterialInventoryValue
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, below this excess borrowing availability will be subject to cash default.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityCovenantExcessBorrowingAvailability
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit facility equal to eligible accounts receivable borrrowing base percent.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityEqualToEligibleAccountsReceivableBorrrowingBasePercent
Namespace Prefix:	culp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, below this excess borrowing availability will be subject to cash dominion.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityExcessBorrowingAbility
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit facility, fixed charge ratio.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityFixedChargeRatio
Namespace Prefix:	culp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility minimum excess borrowing ability which not default occurs and cash dominion period ends.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityMinimumExcessBorrowingAbilityCashDominionPeriod
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit facility minimum excess borrowing ability, which no default occurs and compliance period ends.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditFacilityMinimumExcessBorrowingAbilityCompliancePeriod
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit stated amount to determine borrowing base.

+ References

No definition available.

+ Details

Name:	culp_LineOfCreditStatedAmountToDetermineBorrowingBase
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount represents maximum amount of letters of credit that can be issued.

+ References

No definition available.

+ Details

Name:	culp_MaximumAmountOfLettersOfCredit
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of Consecutive Days in which if No Event of Default Occurs, Compliance Period Ends

+ References

No definition available.

+ Details

Name:	culp_NumberOfConsecutiveDaysInWhichIfNoEventOfDefaultOccursCompliancePeriodEnds
Namespace Prefix:	culp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Threshold amount to determine excess borrowing availability.

+ References

No definition available.

+ Details

Name:	culp_TresholdAmountToDetermineExcessBorrowingAvailability
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-2

+ Details

Name:	us-gaap_InterestPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of interest rate for borrowing under credit facility. Includes, but is not limited to, terms and method for determining interest rate.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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-Topic 210
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 470
-SubTopic 10
-Section 45
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481573/470-10-45-14

+ Details

Name:	us-gaap_LongTermLineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=culp_SecondAmendedAndRestatedCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_ForeignLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=culp_BankOfChinaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Lines of Credit - Narrative (Detail)			3 Months Ended
Lines of Credit - Narrative (Detail)	Jul. 28, 2024 USD ($)	Mar. 20, 2024 CNY (¥)	Jul. 28, 2024 USD ($)	Jul. 30, 2023 USD ($)	Jul. 28, 2024 CNY (¥)	Apr. 28, 2024 USD ($)	Apr. 28, 2024 CNY (¥)
Revolving Credit Facility [Member] \| United States [Member]
Line Of Credit Facility [Line Items]
Applicable interest rate at end of period	6.84%		6.84%	6.56%	6.84%	6.81%	6.81%
Letters of credit, outstanding amount	$ 535,000		$ 535,000	$ 275,000		$ 535,000
Line of credit facility, available borrowing	19,200,000		19,200,000
Outstanding amount	0		0	0		0
Interest paid during the year			0	0
Revolving Credit Facility [Member] \| United States [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	35,000,000.0		$ 35,000,000.0
Expiration date			Jan. 19, 2026
Maximum amount of letters of credit	$ 1,000,000		$ 1,000,000
Line of credit facility, accounts receivable, borrowing base percentage	85.00%		85.00%		85.00%
Line of credit facility, borrowing base percentage of eligible inventory value	65.00%		65.00%		65.00%
Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible inventory value	85.00%		85.00%		85.00%
Line of credit facility, borrowing base percentage of eligible in-transit inventory value	65.00%		65.00%		65.00%
Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible in-transit inventory value	85.00%		85.00%		85.00%
Line of credit facility, borrowing base percentage of eligible raw material inventory value	65.00%		65.00%		65.00%
Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible raw material inventory value	85.00%		85.00%		85.00%
Line of credit facility, borrowing base eligible in-transit inventory value	$ 5,000,000		$ 5,000,000
Line of credit stated amount to determine borrowing base	$ 22,500,000		$ 22,500,000
Debt instrument, interest rate terms			The ABL Facility permits both base rate borrowings and borrowings based upon daily simple SOFR (the secured overnight financing rate administered by the Federal Reserve Bank of New York (or its successor)). Borrowings under the ABL Facility bear interest at an annual rate equal to daily simple SOFR plus 150 basis points (if the average monthly excess availability under the ABL Facility is greater than 50%) or 175 basis points (if the average monthly excess availability under the ABL Facility is less than or equal to 50%) or 50 basis points above base rate (if the average monthly excess availability under the ABL Facility is greater than 50%) or 75 basis points above base rate (if the average monthly excess availability under the ABL Facility is less than or equal to 50%), as applicable, with a fee on unutilized commitments at an annual rate of 37.5 basis points and an annual servicing fee of $12,000.
Annual servicing fee			$ 12,000
Line of credit facility, equal to eligible accounts receivable, borrowing base percent	200.00%		200.00%		200.00%
Threshold amount to determine excess borrowing availability	$ 35,000,000		$ 35,000,000
Number of consecutive days in which if no event of default occurs, the compliance period ends	60 days
Line of credit facility, fixed charge ratio	1.1		1.1		1.1
Line of credit facility, commitment fee percentage			37.50%
Revolving Credit Facility [Member] \| United States [Member] \| Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Remaining letters of credit	$ 465,000		$ 465,000
Revolving Credit Facility [Member] \| China [Member]
Line Of Credit Facility [Line Items]
Applicable interest rate at end of period	2.85%		2.85%		2.85%
Revolving Credit Facility [Member] \| Minimum [Member] \| United States [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, excess borrowing ability	$ 7,000,000		$ 7,000,000
Line of credit facility, covenant, excess borrowing availability	5,250,000		$ 5,250,000
Revolving Credit Facility [Member] \| Minimum [Member] \| United States [Member] \| Base Rate [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate			50.00%
Revolving Credit Facility [Member] \| Minimum [Member] \| United States [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate			150.00%
Revolving Credit Facility [Member] \| Maximum [Member] \| United States [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Line of credit facility minimum excess borrowing ability cash dominion period	7,000,000		$ 7,000,000
Line of credit facility, minimum excess borrowing ability compliance period	5,250,000		$ 5,250,000
Revolving Credit Facility [Member] \| Maximum [Member] \| United States [Member] \| Base Rate [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate			75.00%
Revolving Credit Facility [Member] \| Maximum [Member] \| United States [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate			175.00%
Revolving credit agreements [Member] \| China [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	4,000,000	¥ 29,000,000	$ 4,000,000		¥ 29,000,000
Expiration date		Mar. 18, 2025
Outstanding amount	4,000,000		4,000,000		29,000,000		¥ 0
Revolving credit agreements [Member] \| China [Member] \| Base Rate [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate		50.00%
Bank Of China [Member] \| Revolving credit agreements [Member] \| China [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	4,800,000		$ 4,800,000		¥ 35,000,000
Expiration date			Oct. 24, 2024
Interest rate description			Interest charged under this agreement is based on an interest rate determined by the Chinese government at the time of borrowing
Outstanding amount	$ 0		$ 0	$ 0		$ 0