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Significant Accounting Policies (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 01, 2023
Oct. 02, 2022
Jul. 03, 2022
Oct. 01, 2023
Oct. 02, 2022
Jan. 01, 2023
Debt Instrument [Line Items]            
Money market funds $ 30,400,000     $ 30,400,000   $ 0
Impairment and other lease charges (Note 4) 1,591,000 $ 1,196,000   5,680,000 $ 19,868,000  
Asset impairment $ 600,000 $ 400,000   1,000,000 $ 1,800,000  
Goodwill, impairment loss     $ 16,700,000 $ 0    
Senior Loans            
Debt Instrument [Line Items]            
Loans traded, portion of par value, percentage 0.828     0.828    
Senior Loans | Senior Unsecured Notes Due 2029            
Debt Instrument [Line Items]            
Debt instrument, rate 5.875%     5.875%    
Term Loan B Facility            
Debt Instrument [Line Items]            
Loans traded, portion of par value, percentage 96.9     96.9