Net (Loss) Income Per Share - Narrative (Detail) - Common Stock Awards [Member]	3 Months Ended
Jul. 31, 2022 shares
Antidilutive securities due to decrease in stock price excluded from computation of loss per share	38,779
Antidilutive securities due to net loss recorded during the reporting period	42,489

Antidilutive securities due to decrease in stock price excluded from computation of loss per share.

No definition available.

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Namespace Prefix:	culp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration