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Upholstery Fabrics Segment Restructuring Activities - Summary of Restructuring Expense and Restructuring Related Charges (Parenthetical) (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jan. 29, 2023
Jan. 29, 2023
Restructuring Cost and Reserve [Line Items]    
Restructuring expense $ 711,000 $ 1,326,000
Restructuring related charge   (98,000)
Exit and Disposal Activity [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring expense and restructuring related charges   1,424,000
Cost of Sales [Member] | Exit and Disposal Activity [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring related charge   $ 98,000