Revenue from Contracts with Customers - Narrative (Detail)	3 Months Ended								12 Months Ended
	May 03, 2020 USD ($)	Feb. 02, 2020 USD ($)	Nov. 03, 2019 USD ($)	Aug. 04, 2019 USD ($)	Apr. 28, 2019 USD ($)	Jan. 27, 2019 USD ($)	Oct. 28, 2018 USD ($)	Jul. 29, 2018 USD ($)	May 03, 2020 USD ($) Segment	Apr. 28, 2019 USD ($)	Apr. 29, 2018 USD ($)
Contract Assets and Liabilities [Line Items]
Number of operating segments | Segment									2
net sales	$ 47,378,000	$ 68,518,000	$ 69,550,000	$ 70,719,000	$ 67,023,000	$ 73,127,000	$ 72,275,000	$ 68,898,000	$ 256,166,000	$ 281,325,000	$ 323,725,000
Contract assets recognized	$ 0				$ 0				$ 0	0
Minimum [Member]
Contract Assets and Liabilities [Line Items]
Contract with customers credit period									15 days
Maximum [Member]
Contract Assets and Liabilities [Line Items]
Contract with customers credit period									60 days
Discontinued Operations [Member] | Home Accessories [Member]
Contract Assets and Liabilities [Line Items]
net sales									$ 13,800,000	$ 16,000,000