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Segment Information - Balance Sheet Information by Operating Segments (Parenthetical) (Detail) - USD ($)
$ in Thousands
Nov. 01, 2015
May. 03, 2015
Nov. 02, 2014
Segment Reporting Information [Line Items]      
Property, plant and equipment $ 38,319 $ 36,078 [1] $ 33,204
Unallocated corporate [Member]      
Segment Reporting Information [Line Items]      
Property, plant and equipment [2] 795 838 688
United States [Member] | Unallocated corporate [Member]      
Segment Reporting Information [Line Items]      
Property, plant and equipment 795 838 688
Mattress Fabrics [Member] | United States [Member]      
Segment Reporting Information [Line Items]      
Property, plant and equipment 23,300 23,800 22,200
Mattress Fabrics [Member] | Canada [Member]      
Segment Reporting Information [Line Items]      
Property, plant and equipment 12,800 10,000 8,700
Upholstery Fabrics [Member] | United States [Member]      
Segment Reporting Information [Line Items]      
Property, plant and equipment 785 848 977
Upholstery Fabrics [Member] | China [Member]      
Segment Reporting Information [Line Items]      
Property, plant and equipment $ 689 $ 619 $ 601
[1] Derived from audited financial statements.
[2] The $795, $688, and $838 at November 1, 2015, November 2, 2014 and May 3, 2015, respectively, represent property, plant, and equipment associated with unallocated corporate departments and corporate departments shared by both the mattress and upholstery fabric segments. Property, plant, and equipment associated with corporate are located in the U.S.