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Debt - Additional Information (Details)
12 Months Ended
May. 04, 2015
USD ($)
Jan. 30, 2016
USD ($)
Jan. 31, 2015
USD ($)
Feb. 01, 2014
USD ($)
Jul. 31, 2018
Aug. 01, 2015
USD ($)
Debt Instrument [Line Items]            
Revolving credit facility repaid and terminated   $ 31,500,000 $ 0 $ 0    
Current debt   10,000,000 0      
Unamortized discount on issuance of debt   300,000        
Total long-term debt   82,219,000 0      
Term Loan            
Debt Instrument [Line Items]            
Term loan commitment   100,000,000.0        
Term loan amount drawn at closing   $ 100,000,000        
Revolving Credit Facility            
Debt Instrument [Line Items]            
Maximum total debt leverage ratio   3.50        
Minimum fixed charge coverage ratio credit facility   1.20        
Revolving Credit Facility | Forecast            
Debt Instrument [Line Items]            
Maximum total debt leverage ratio         3.25  
Revolving Credit Facility | Line of Credit            
Debt Instrument [Line Items]            
Term loan amount drawn at closing   $ 92,219,000 0      
Revolving credit facility amount   100,000,000.0        
Revolving credit facility amount drawn at closing   0       $ 24,000,000
Revolving credit facility repaid and terminated $ 124,000,000          
Current debt   10,000,000 0      
Total long-term debt   $ 82,219,000 $ 0