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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Apr. 25, 2020
Apr. 25, 2020
Apr. 27, 2019
Apr. 28, 2018
Goodwill [Line Items]        
Goodwill impairment   $ 26,862,000 $ 0 $ 0
Annual amortization expense for next twelve months $ 1,000,000.0 1,000,000.0    
Annual amortization expense for year two 1,000,000 1,000,000    
Annual amortization expense for year three 1,000,000 1,000,000    
Annual amortization expense for year four 1,000,000 1,000,000    
Annual amortization expense for year five $ 1,000,000 $ 1,000,000    
United Kingdom Reporting Unit        
Goodwill [Line Items]        
Reporting unit, percentage of weighted average cost of capital 9.50% 9.50%    
Reporting unit, percentage of tax rate 18.00% 18.00%    
Goodwill impairment $ 0      
Furniture Galleries Reporting Unit        
Goodwill [Line Items]        
Reporting unit, percentage of weighted average cost of capital 9.50% 9.50%    
Reporting unit, percentage of tax rate 23.50% 23.50%    
Goodwill impairment $ 0      
Joybird Reporting Unit        
Goodwill [Line Items]        
Reporting unit, percentage of weighted average cost of capital 17.50% 17.50%    
Reporting unit, percentage of tax rate 24.30% 24.30%    
Reporting unit, percentage of terminal growth rate 2.00% 2.00%    
Goodwill impairment $ 26,900,000