Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.20.2
Income Taxes (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 24, 2020
Jun. 25, 2020
Sep. 26, 2019
Sep. 24, 2020
Sep. 26, 2019
Dec. 25, 2020
Tax Credit Carryforward [Line Items]            
Effective income tax rate 10.40%   (39.30%) 2.50% (4.90%)  
Expense (benefit) related to loss contingencies for uncertain tax positions $ (300,000)   $ 0 $ 2,200,000 $ 100,000  
Income tax benefit (8,004,000)   $ 11,552,000 (3,605,000) $ 5,355,000  
Deferred employer social security taxes $ 7,100,000     $ 7,100,000    
Employer social security taxes required to be deposited by December 2021 50.00%     50.00%    
Employer social security taxes required to be deposited by December 2022 50.00%     50.00%    
Employee retention credit recorded       $ 1,400,000    
Fiscal 2019            
Tax Credit Carryforward [Line Items]            
Income tax benefit   $ 7,700,000        
Offset to selling and store operating expenses            
Tax Credit Carryforward [Line Items]            
Employee retention credit recorded $ 300,000     1,200,000    
Offset to general and administrative expenses            
Tax Credit Carryforward [Line Items]            
Employee retention credit recorded       $ 200,000    
Forecast            
Tax Credit Carryforward [Line Items]            
Estimated cash refunds           $ 28,400,000