Restructuring Activities - Summary of Activity in Accrued Restructuring (Detail) - USD ($)		12 Months Ended
		Apr. 28, 2024		Apr. 30, 2023
Restructuring Cost and Reserve [Line Items]
Expenses incurred		$ 636,000	[1]	$ 1,396,000	[2]
Exit and Disposal Activity [Member]
Restructuring Cost and Reserve [Line Items]
Accrual established in fiscal 2023		307,000		554,000
Expenses incurred				51,000
Payments		(304,000)		(605,000)
Ending balance	[3]	3,000
Exit and Disposal Activity [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Accrual established in fiscal 2023		307,000		507,000
Expenses incurred		307,000		507,000
Payments		(304,000)		(507,000)
Ending balance	[3]	$ 3,000
Exit and Disposal Activity [Member] | Lease Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrual established in fiscal 2023				47,000
Expenses incurred				481,000
Payments				(47,000)
Exit and Disposal Activity [Member] | Other Associated Costs [Member]
Restructuring Cost and Reserve [Line Items]
Expenses incurred				51,000
Payments				$ (51,000)

[1] Restructuring expense of $636,000 for fiscal 2024 represents impairment charges related to equipment of $329,000 and employee termination benefits of $103,000 related to the discontinuation of production of cut and sewn upholstery kits at the company's facility in Ouanaminthe, Haiti. In addition, during the fourth quarter of fiscal 2024, restructuring expense of $204,000 was incurred for employee termination benefits related to the closure of the upholstery fabrics finishing operation located in Shanghai, China.

[2] Restructuring expense of $1.4 million for fiscal 2023 relates to both our restructuring activities for our cut and sew upholstery fabrics operations located in Shanghai, China, which occurred during the second quarter of fiscal 2023, and located in Ouanaminthe, Haiti, which occurred during the third and fourth quarters of fiscal 2023. Restructuring expense represents employee termination benefits of $507,000, lease termination costs of $481,000, impairment losses totaling $357,000 that relate to leasehold improvements and equipment, and $51,000 for other associated costs.

[3] Accrued restructuring of $3,000 was reported within accrued expenses in the Consolidated Balance Sheets for the period ending April 28, 2024.