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Income Taxes - Deferred Income Taxes - Undistributed Earnings from Foreign Subsidiaries - Narrative (Detail) - USD ($) $ in Millions	3 Months Ended
	Aug. 04, 2019	Apr. 28, 2019	Jul. 29, 2018
Income Taxes [Line Items]
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	$ 2.9	$ 3.5	$ 2.8

X

- Definition

The ownership percentage of a foreign corporation under the dividends received deduction.

+ References

No definition available.

+ Details

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X

- 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_
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Period Type:	duration

X

- Definition

Income Taxes [Line Items]

+ References

No definition available.

+ Details

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X

- 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

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