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Company Business and Summary of Significant Accounting Policies (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Dec. 07, 2016
Earnings (Loss) Per Share        
Dilutive stock options     0.2  
selling, general and administrative expense [Member]        
Marketing, advertising and promotional costs        
Marketing, advertising and promotional costs $ 3.7 $ 1.4 $ 1.0  
Cerberus Credit Facility        
Earnings (Loss) Per Share        
Minimum cash or borrowing capacity under revolving credit $ 2.0      
Minimum        
Property, Plant and Equipment [Line Items]        
Length of fiscal year 364 days      
Estimated useful life 3 years      
Maximum        
Property, Plant and Equipment [Line Items]        
Length of fiscal year 371 days      
Estimated useful life 7 years      
Term Note | Cerberus Credit Facility        
Property, Plant and Equipment [Line Items]        
Line of Credit Facility, Maximum Amount Outstanding During Period $ 49.5 $ 44.6    
Earnings (Loss) Per Share        
Maximum borrowing capacity       $ 45.0