Home Accessories Segment - Summary of Net Income (Loss) from Continuing Operations, Loss from Discontinued Operation, and Net Income (Loss) Attributable to Common Shareholders and Noncontrolling Interest (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 02, 2021	May 03, 2020	Apr. 28, 2019
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
net income (loss) from continuing operations	$ 3,218	$ (11,158)	$ 6,071
net loss from discontinued operation		(17,509)	(613)
net income (loss)	3,218	(28,667)	5,458
Discontinued Operations [Member] | eLuxury [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
net income (loss) from continuing operations	3,218	(11,158)	6,071
net income (loss) from continuing operations attributable to Culp Inc. common shareholders	3,218	(11,158)	6,071
net loss from discontinued operation		(17,509)	(613)
net loss from discontinued operation attributable to noncontrolling interest		4,674	218
net loss from discontinued operation attributable to Culp Inc. common shareholders		(12,835)	(395)
net income (loss)	3,218	(28,667)	5,458
net loss from noncontrolling interest		4,674	218
net income (loss) attributable to Culp Inc. common shareholders	$ 3,218	$ (23,993)	$ 5,676