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Description of Business and Significant Accounting Policies - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Jan. 30, 2016
USD ($)
Store
State
$ / shares
Jan. 30, 2016
USD ($)
Store
State
shares
Jan. 31, 2015
USD ($)
shares
Feb. 01, 2014
USD ($)
shares
Nature Of Business And Significant Accounting Policies [Line Items]        
Number of home decor and gifts store | Store 376 376    
Number of states | State 35 35    
Non-cash investing activities incurred   $ 2,600,000    
Depreciation of capitalized software   5,300,000 $ 4,000,000 $ 3,000,000
Net book value of capitalized software assets $ 22,800,000 22,800,000 25,800,000  
Capitalized computer software currently under development 2,000,000 2,000,000 20,000  
Liability for asset retirement obligations $ 574,000 574,000 269,000  
Workers' Compensation and General Liability Reserve Benefit, Earnings Per Share Diluted | $ / shares $ 0.04      
Workers Compensation and General Liability Reserve Benefit, After Tax $ 685,000      
Workers Compensation and General Liability Reserve Benefit 1,100,000      
Workers' compensation and general liability reserve 5,200,000 5,200,000 4,400,000  
Part of workers' compensation and general liability reflected as current liability in accrued expenses 946,000 946,000 732,000  
Part of workers' compensation and general liability reflects as noncurrent liability in other liabilities 4,300,000 4,300,000 3,700,000  
Cumulative net excess of recorded rent expense over lease payments   13,000,000 11,000,000  
Part of rent expense over lease payment reflected as current liability in accrued expenses 1,200,000 1,200,000 1,100,000  
Part of rent expense over lease payment reflected as noncurrent liability in accrued expenses 11,800,000 11,800,000 9,900,000  
Unamortized amount of construction allowances 43,400,000 43,400,000 38,400,000  
Part of construction allowance reflects as current liability in accrued expense 6,900,000 6,900,000 6,400,000  
Part of construction allowance reflects as noncurrent liability in deferred rent $ 36,500,000 36,500,000 32,000,000  
Gift card breakage   994,000 853,000 1,103,000
Advertising expense   $ 9,600,000 $ 9,300,000 $ 9,300,000
Tax benefit likelihood recognized   50.00%    
Stock options not included in the computation of diluted earnings per share | shares   316,000 426,000 439,000
Minimum [Member] | Capitalized Software Costs [Member]        
Nature Of Business And Significant Accounting Policies [Line Items]        
Range of estimated life of software   3 years    
Maximum [Member] | Capitalized Software Costs [Member]        
Nature Of Business And Significant Accounting Policies [Line Items]        
Range of estimated life of software   10 years    
Furniture and Fixtures [Member]        
Nature Of Business And Significant Accounting Policies [Line Items]        
Estimated useful lives of assets   5 years    
Leasehold Improvements [Member] | Minimum [Member]        
Nature Of Business And Significant Accounting Policies [Line Items]        
Estimated useful lives of assets   5 years    
Leasehold Improvements [Member] | Maximum [Member]        
Nature Of Business And Significant Accounting Policies [Line Items]        
Estimated useful lives of assets   10 years