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Line of Credit (Line of Credit) (Details) - Line of Credit
3 Months Ended
Apr. 24, 2020
USD ($)
May 04, 2019
USD ($)
May 02, 2020
USD ($)
Mar. 20, 2020
USD ($)
Mar. 19, 2020
USD ($)
Prior Credit Agreement          
Debt Instrument [Line Items]          
Revolving credit facility aggregate commitments       $ 50,000,000 $ 20,000,000
Amended Revolving Credit Facility          
Debt Instrument [Line Items]          
Revolving credit facility maximum borrowings $ 225,000,000.0        
Line of credit facility, accordion feature, increase limit $ 150,000,000.0        
Debt instrument, interest rate, increase (decrease) 2.00%        
Minimum availability of aggregate commitments and loan cap required, percent 15.00%        
Minimum availability of loan cap after stepdown date required, percent 10.00%        
Percent of stores reopened, stepdown date 75.00%        
Fixed charge coverage ratio 1.00        
Period required for availability of loan cap requirement 60 days        
Maximum allowed to be borrowed based on available cash balance $ 50,000,000        
Cash limit to restrict borrowing $ 50,000,000        
Repayments of lines of credit   $ 50,000,000      
Line of credit facility, current borrowing capacity     $ 0    
Line of credit facility, remaining borrowing capacity     $ 158,900,000    
Amended Revolving Credit Facility | Minimum          
Debt Instrument [Line Items]          
Commitment fee percentage 2.00%        
Amended Revolving Credit Facility | Maximum          
Debt Instrument [Line Items]          
Commitment fee percentage 2.25%        
Base Rate | Amended Revolving Credit Facility | Minimum          
Debt Instrument [Line Items]          
Interest rate on borrowings (percent) 1.00%        
Base Rate | Amended Revolving Credit Facility | Maximum          
Debt Instrument [Line Items]          
Interest rate on borrowings (percent) 1.25%        
LIBOR | Amended Revolving Credit Facility | Minimum          
Debt Instrument [Line Items]          
Interest rate on borrowings (percent) 2.00%        
LIBOR | Amended Revolving Credit Facility | Maximum          
Debt Instrument [Line Items]          
Interest rate on borrowings (percent) 2.25%