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Long-Term Debt - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
May 18, 2017
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Debt Instrument [Line Items]        
Interest rate (as a percent)   7.63%    
Long-term debt   $ 133,339 $ 134,704  
Debt instrument discount at issuance   678 877  
Unamortized debt issuance costs   1,110 1,146  
Amortization of discount on debt and deferred financing fees   708 1,122 $ 817
Minimum        
Debt Instrument [Line Items]        
Leverage ratio 0.20%      
Maximum        
Debt Instrument [Line Items]        
Leverage ratio 1.30%      
Weighted Average        
Debt Instrument [Line Items]        
Leverage ratio 0.75%      
Term Loan        
Debt Instrument [Line Items]        
Senior secured loan facility   $ 160,000    
Debt instrument issuance price, percentage of aggregate principal amount   99.00%    
Line of credit , maturity date   Dec. 03, 2020    
Debt instrument applicable margin   6.25%    
Debt issuance costs $ 341      
Quarterly loan payment   $ 400    
Long-term debt   133,339    
Amortization of discount on debt and deferred financing fees   $ 199    
Prior Term Loan        
Debt Instrument [Line Items]        
Amortization of discount on debt and deferred financing fees     $ 411  
LIBOR        
Debt Instrument [Line Items]        
Debt instrument increase in basis spread on variable rate 0.25%      
Debt instrument applicable margin 6.25%      
Interest floor rate 1.25%      
LIBOR | Term Loan        
Debt Instrument [Line Items]        
Debt instrument applicable margin   1.25%