Deferred tax assets tax credit carryforwards alternative minimum tax amount refundable received.

No definition available.

Name:	culp_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTaxAmountRefundableReceived
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Deferred tax assets tax credit carryforwards alternative minimum tax amount remaining refundable received.

+ References

No definition available.

+ Details

Name:	culp_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTaxAmountRemainingRefundableReceived
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Income taxes refunded amount.

+ References

No definition available.

+ Details

Name:	culp_IncomeTaxesRefundedAmount
Namespace Prefix:	culp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of alternative minimum tax credits refundable under CARES Act.

+ References

No definition available.

+ Details

Name:	culp_PercentageOfAlternativeMinimumTaxCreditsRefundableUnderCARESAct
Namespace Prefix:	culp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of expected alternative minimum tax amount refundable in current fiscal year.

+ References

No definition available.

+ Details

Name:	culp_PercentageOfExpectedAlternativeMinimumTaxAmountRefundableInCurrentFiscalYear
Namespace Prefix:	culp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of expected alternative minimum tax amount refundable in year two.

+ References

No definition available.

+ Details

Name:	culp_PercentageOfExpectedAlternativeMinimumTaxAmountRefundableInYearTwo
Namespace Prefix:	culp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of received alternative minimum tax.

+ References

No definition available.

+ Details

Name:	culp_PercentageOfReceivedAlternativeMinimumTax
Namespace Prefix:	culp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of remaining refundable alternative minimum tax credit carryforward.

+ References

No definition available.

+ Details

Name:	culp_PercentageOfRemainingRefundableAlternativeMinimumTaxCreditCarryforward
Namespace Prefix:	culp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Income Taxes - Summary of Income Taxes Paid (Refunded) (Parenthetical) (Detail) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	May 31, 2020	Nov. 01, 2020	Aug. 02, 2020	May 02, 2021
Income Tax Disclosure [Abstract]
United States Federal - AMT credit refunds				$ 1,500,000
Percentage of expected alternative minimum tax amount refundable in fiscal year 2021				50.00%
Percentage of expected alternative minimum tax amount refundable in fiscal year 2022				50.00%
Percentage of received alternative minimum tax		50.00%	50.00%
AMT credit carryforward refundable balance amount received			$ 746,000
Percentage of AMT credits refundable under CARES Act				100.00%
Percentage of remaining refundable AMT credit carryforward	50.00%
AMT credit carryforward remaining refundable balance amount received		$ 764,000