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Income Taxes - Deferred Income Taxes - Undistributed Earnings from Foreign Subsidiaries - Narrative (Detail) - USD ($) $ in Thousands | 12 Months Ended |
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May 02, 2021 | May 03, 2020
Income Tax Disclosure [Abstract] |  |
Dividends received deduction percentage for earnings and profits received from foreign corporation | 100.00% |
Dividends received deduction, foreign corporation ownership percentage | 10.00% |
Deferred tax liability, undistributed earnings from foreign subsidiaries | $ 3,521 | $ 3,409

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- Definition The ownership percentage of a foreign corporation under the dividends received deduction. + References No definition available. + Details
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Namespace Prefix: | culp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The deductible percentage of dividends received from a partially owned foreign corporation. + References No definition available. + Details
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Namespace Prefix: | culp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
Name: | us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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