Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Additional Information (Detail)

v3.7.0.1
Employee Benefit Plans - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Retirement Plan [Line Items]      
Company match 100.00% 100.00% 100.00%
401(k) Match on eligible compensation 3.00%    
Company match liability amount $ 6,317 $ 5,031  
Non Qualified Deferred Compensation Plan [Member]      
Retirement Plan [Line Items]      
Company match 100.00%    
Company match liability amount $ 753 554  
Deferred compensation plan match 3.00%    
Deferred compensation liability included in other long term liability $ 10,474 7,491  
Cash value of investments included in deferred compensation plan assets $ 11,283 $ 8,145