Goodwill - Narrative (Detail) - USD ($)	3 Months Ended		12 Months Ended
	May 03, 2020	Feb. 02, 2020	May 03, 2020		Apr. 28, 2019
Goodwill [Line Items]
goodwill	$ 0		$ 0		$ 13,569,000
Asset impairment charges	13,712,000		13,712,000	[1]
Continuing Operation [Member]
Goodwill [Line Items]
goodwill					13,600,000
Asset impairment charges			13,600,000
Continuing Operation [Member] | Mattress Fabrics [Member]
Goodwill [Line Items]
goodwill					11,500,000
Continuing Operation [Member] | Upholstery Fabrics [Member]
Goodwill [Line Items]
goodwill					2,100,000
Discontinued Operations [Member]
Goodwill [Line Items]
goodwill					$ 13,600,000
Asset impairment charges	$ 2,400,000	$ 11,200,000	$ 13,600,000

[1] During fiscal 2020, we incurred asset impairment charges totaling $13.7 million, of which $13.6 million and $143,000 were associated with goodwill and a tradename associated Read, respectively. Of this $13.7 million, $11.5 million and $2.2 million pertained to the mattress fabrics segment and upholstery fabrics segment, respectively.