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Description of Business and Significant Accounting Policies - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Jan. 28, 2017
USD ($)
State
Store
$ / shares
Jan. 30, 2016
USD ($)
$ / shares
Jan. 28, 2017
USD ($)
State
Store
shares
Jan. 30, 2016
USD ($)
shares
Jan. 31, 2015
USD ($)
shares
Nature Of Business And Significant Accounting Policies [Line Items]          
Number of home decor and gifts store | Store 404   404    
Number of states | State 36   36    
Non-cash investing activities incurred     $ 1,400,000 $ 2,600,000  
Depreciation of capitalized software     6,100,000 5,300,000 $ 4,000,000
Net book value of capitalized software assets $ 24,900,000 $ 22,800,000 24,900,000 22,800,000  
Capitalized computer software currently under development 3,100,000 2,000,000 3,100,000 2,000,000  
Liability for asset retirement obligations $ 659,000 $ 574,000 659,000 574,000  
Workers' Compensation and General Liability Reserve Benefit, Earnings Per Share Diluted | $ / shares $ 0.07 $ 0.04      
Workers Compensation and General Liability Reserve Benefit, After Tax $ 1,100,000 $ 700,000      
Workers Compensation and General Liability Reserve Benefit 1,700,000 1,100,000      
Self-insurance reserve 5,000,000 5,200,000 5,000,000 5,200,000  
Part of rent expense over lease payment reflected as current liability in accrued expenses 9,274,000 8,117,000 9,274,000 8,117,000  
Part of rent expense over lease payments reflected as noncurrent liability 52,656,000 48,280,000 52,656,000 48,280,000  
Gift card breakage     1,107,000 994,000 853,000
Advertising expense     $ 9,300,000 $ 9,600,000 $ 9,300,000
Tax benefit likelihood recognized     50.00%    
Stock options not included in the computation of diluted earnings per share | shares     629,000 316,000 426,000
Accounting Standards Update 2015-17 [Member]          
Nature Of Business And Significant Accounting Policies [Line Items]          
Reclassification of deferred tax assets from current assets to noncurrent liabilities   3,300,000   $ 3,300,000  
Straight-Line Rent [Member]          
Nature Of Business And Significant Accounting Policies [Line Items]          
Cumulative net excess of recorded rent expense over lease payments 14,800,000 13,000,000 $ 14,800,000 13,000,000  
Part of rent expense over lease payment reflected as current liability in accrued expenses 1,600,000 1,200,000 1,600,000 1,200,000  
Part of rent expense over lease payments reflected as noncurrent liability 13,200,000 11,800,000 13,200,000 11,800,000  
Tenant Construction Allowance [Member]          
Nature Of Business And Significant Accounting Policies [Line Items]          
Cumulative net excess of recorded rent expense over lease payments 47,100,000 43,400,000 47,100,000 43,400,000  
Part of rent expense over lease payment reflected as current liability in accrued expenses 7,600,000 6,900,000 7,600,000 6,900,000  
Part of rent expense over lease payments reflected as noncurrent liability $ 39,500,000 $ 36,500,000 $ 39,500,000 $ 36,500,000  
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