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Exit and Disposal Activities (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jul. 29, 2018
Jun. 12, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Restructuring expense $ 451  
Accrued restructuring costs 445 $ 451
Severance payments 6  
Upholstery Fabrics [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Restructuring expense and related charges $ 2,016  
Upholstery Fabrics [Member] | Facility Closing [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Description of exit and disposal activities On June 12, 2018, our board of directors decided to close our upholstery fabrics manufacturing facility in Anderson, South Carolina. This closure is due to a continued decline in demand for the products manufactured at this facility, reflecting a change in consumer style preferences. We expect to close this facility during the second quarter of fiscal 2019.  
Inventory markdown $ 1,565  
Upholstery Fabrics [Member] | Facility Closing [Member] | Cost of Sales [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Inventory markdown 1,565  
Upholstery Fabrics [Member] | Employee termination benefits [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Restructuring expense $ 451