Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v3.22.0.1
Summary of Significant Accounting Policies (Details)
ft² in Thousands, $ in Thousands
12 Months Ended
Jun. 04, 2021
USD ($)
Dec. 30, 2021
USD ($)
ft²
distributionCenter
segment
store
designCenter
state
Dec. 31, 2020
USD ($)
Dec. 26, 2019
USD ($)
Dec. 27, 2018
USD ($)
Real Estate Properties [Line Items]          
Number of reportable segments | segment   1      
Number of states with facilities | state   33      
Number of distribution centers | distributionCenter   4      
Allowance for doubtful accounts   $ 300 $ 300    
Tariff recoveries expected   22,000      
Tariff recoveries received   14,600      
Tariff recoveries receivable   7,400 11,400    
Cost of sales   2,011,267 1,390,896 $ 1,182,442  
Interest income earned on anticipated tariff recoveries   300 600 300  
Exposure from credit program   6,000 1,200    
Inventory valuation reserves   $ 7,800 5,400    
Number of days customer may return merchandise   90 days      
Gift card breakage income   $ 2,400 1,500 1,200  
Loyalty program award, as a percentage of selling price   1.00%      
Loyalty program breakage income   $ 2,200 1,400 1,100  
Allowance for sales returns   36,210 22,266    
Advertising expense   90,400 66,600 65,700  
Pre-opening expenses   $ 34,433 21,498 24,594  
Number of operating segments | segment   2      
Cumulative effect adjustment to retained earnings upon adoption   $ 1,323,199 997,388 764,336 $ 584,309
Tariff Refund          
Real Estate Properties [Line Items]          
Cost of sales   2,600 4,500 14,000  
Spartan          
Real Estate Properties [Line Items]          
Total purchase price $ 77,657        
Retained earnings          
Real Estate Properties [Line Items]          
Cumulative effect adjustment to retained earnings upon adoption   $ 872,226 $ 588,996 $ 394,015 243,563
Cumulative Effect, Period of Adoption, Adjustment          
Real Estate Properties [Line Items]          
Cumulative effect adjustment to retained earnings upon adoption         (179)
Cumulative Effect, Period of Adoption, Adjustment | Retained earnings          
Real Estate Properties [Line Items]          
Cumulative effect adjustment to retained earnings upon adoption         (179)
Minimum          
Real Estate Properties [Line Items]          
Receivables collection period (in days)   3 days      
Period prior to store opening or relocation that pre-opening expenses begin   3 months      
Maximum          
Real Estate Properties [Line Items]          
Receivables collection period (in days)   5 days      
Period prior to store opening or relocation that pre-opening expenses begin   1 year      
Warehouse format store          
Real Estate Properties [Line Items]          
Number of stores | store   160      
Area of facility | ft²   78      
Small format store          
Real Estate Properties [Line Items]          
Number of stores | designCenter   2      
Stock options          
Real Estate Properties [Line Items]          
Vesting period (in years)   4 years      
Dividend yield   0.00% 0.00% 0.00%  
Stock options | Minimum          
Real Estate Properties [Line Items]          
Vesting period (in years)   1 year      
Stock options | Maximum          
Real Estate Properties [Line Items]          
Vesting period (in years)   5 years      
Employee stock          
Real Estate Properties [Line Items]          
Dividend yield   0.00%      
Accounting Standards Update 2016-02 | Cumulative Effect, Period of Adoption, Adjustment | Retained earnings          
Real Estate Properties [Line Items]          
Cumulative effect adjustment to retained earnings upon adoption         $ (200)