Segment Information - Balance Sheet Information by Operating Segments (Parenthetical) (Detail) - USD ($)		Jan. 30, 2022	May 02, 2021		Jan. 31, 2021
Segment Reporting Information [Line Items]
property, plant, and equipment		$ 42,778,000	$ 44,003,000	[1]	$ 42,385,000
Right of use assets		16,595,000	11,730,000	[1]	6,206,000
Upholstery Fabrics [Member]
Segment Reporting Information [Line Items]
Right of use assets		2,800,000
Operating Segments [Member] | Mattress Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment	[2]	39,483,000	41,264,000		39,550,000
Right of use assets	[3]	3,706,000	4,278,000		1,077,000
Operating Segments [Member] | Upholstery Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment	[4]	2,448,000	1,925,000		1,953,000
Right of use assets	[5]	8,727,000	5,945,000		3,519,000
Operating Segments [Member] | United States [Member] | Mattress Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment		26,200,000	28,400,000		27,300,000
Right of use assets		1,300,000	1,400,000		632,000
Operating Segments [Member] | United States [Member] | Upholstery Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment		1,100,000	1,100,000		1,100,000
Right of use assets		1,900,000	952,000		1,100,000
Operating Segments [Member] | Canada [Member] | Mattress Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment		12,500,000	12,000,000.0		12,300,000
Right of use assets		352,000	400,000		445,000
Operating Segments [Member] | Haiti [Member] | Mattress Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment		796,000	855,000
Right of use assets		2,100,000	2,400,000
Operating Segments [Member] | Haiti [Member] | Upholstery Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment		585,000
Right of use assets		2,700,000
Operating Segments [Member] | China [Member] | Upholstery Fabrics [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment		774,000	850,000		881,000
Right of use assets		4,100,000	5,000,000.0		2,400,000
Unallocated Corporate [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment	[6]	847,000	814,000		882,000
Right of use assets	[7]	4,162,000	1,507,000		1,610,000
Unallocated Corporate [Member] | United States [Member]
Segment Reporting Information [Line Items]
property, plant, and equipment		847,000	814,000		882,000
Right of use assets		$ 4,200,000	$ 1,500,000		$ 1,600,000

[1] Derived from audited financial statements.

[2] The $39.5 million as of January 30, 2022, represents property, plant, and equipment of $26.2 million, $12.5 million, and $796,000 located in the U.S., Canada, and Haiti, respectively. The $39.6 million as of January 31, 2021, represents property, plant, and equipment of $27.3 million and $12.3 million located in the U.S. and Canada, respectively.   The $41.3 million as of May 2, 2021, represents property, plant, and equipment of $28.4 million, $12.0 million, and $855,000 located in the U.S., Canada, and Haiti, respectively.

[3] The $3.7 million as of January 30, 2022, represents right of use assets of $2.1 million, $1.3 million, and $352,000 located in Haiti, the U.S., and Canada, respectively.  The $1.1 million as of January 31, 2021, represents right of use assets of $632,000 and $445,000 located in the U.S. and Canada, respectively.  The $4.3 million as of May 2, 2021, represents right of use assets of $2.4 million, $1.4 million, and $400,000 located in Haiti, the U.S., and Canada, respectively.  

[4] The $2.4 million as of January 30, 2022, represents property, plant, and equipment of $1.1 million, $774,000 and $585,000 located in the U.S., China, and Haiti, respectively. The $2.0 million as of January 31, 2021, represents property, plant, and equipment of $1.1 million and $881,000 located in the U.S. and China, respectively. The $1.9 million as of May 2, 2021, represents property, plant, and equipment of $1.1 million and $850,000 located in the U.S. and China, respectively.

[5] The $8.7 million as of January 30, 2022, represents right of use assets of $4.1 million, $2.7 million, and $1.9 million located in China, Haiti, and the U.S., respectively.  The $3.5 million as of January 31, 2021, represents right of use assets of $2.4 million and $1.1 million located in China and the U.S., respectively.  The $5.9 million as of May 2, 2021, represents right of use assets of $5.0 million and $952,000 located in China and the U.S., respectively.

[6] The $847,000, $882,000, and $814,000 as of January 30, 2022, January 31, 2021, and May 2, 2021, respectively, represent property, plant, and equipment associated with unallocated corporate departments and corporate departments shared by our mattress fabrics and upholstery fabrics segments. Property, plant, and equipment associated with our corporate departments reside in the U.S.

[7] The $4.2 million, $1.6 million, and $1.5 million as of January 30, 2022, January 31, 2021, and May 2, 2021, respectively, represent right of use assets located in the U.S.