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Long-Term Debt - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 18, 2017
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Jan. 28, 2017
Debt Instrument [Line Items]            
Term loan   $ 135,527   $ 135,527   $ 136,727
Debt instrument discount at issuance   718   718   877
Unamortized debt issuance costs   1,218   1,218   1,146
Minimum            
Debt Instrument [Line Items]            
Maximum leverage ratio 0.20%          
Maximum            
Debt Instrument [Line Items]            
Maximum leverage ratio 1.30%          
Weighted Average            
Debt Instrument [Line Items]            
Maximum leverage ratio 0.75%          
Term Loan            
Debt Instrument [Line Items]            
Senior secured loan facility   $ 160,000   $ 160,000    
Debt instrument issuance price, percentage of aggregate principal amount   99.00%   99.00%    
Line of credit , maturity date       Dec. 03, 2020    
Debt issuance costs $ 341          
Term loan   $ 135,527   $ 135,527   136,727
Debt instrument discount at issuance   718   718   877
Unamortized debt issuance costs   1,218   1,218   $ 1,146
Amortization of discount   59 $ 74 159 $ 369  
Amortization of debt issuance costs   99 $ 268 269 $ 442  
Quarterly loan payment   $ 400   $ 400    
LIBOR            
Debt Instrument [Line Items]            
Debt instrument increase in basis spread on variable rate 25          
Debt instrument applicable margin 6.25%          
Interest floor rate 1.25%