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Savings Plans (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Deferred Compensation Plan      
Company's contributions to deferred compensation plan   $ 1,500  
DCP | Other income/expense      
Deferred Compensation Plan      
Deferred compensation plan, gains (losses) related to the change in the value of the insurance policy investments $ 1,500 (700) $ 300
Realized gain resulting from payout on insurance policy investments   300  
Accrued expenses and other long-term liabilities      
Deferred Compensation Plan      
Deferred compensation liability 11,184 10,155  
Other assets      
Deferred Compensation Plan      
Deferred compensation, long-term asset $ 12,000 $ 10,500