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Description of Business and Basis of Presentation (Narrative) (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 03, 2024
USD ($)
Sep. 28, 2024
USD ($)
store
item
state
Sep. 28, 2024
USD ($)
store
segment
item
state
Sep. 23, 2023
USD ($)
Mar. 29, 2025
Mar. 30, 2024
USD ($)
Significant Accounting Policies [Line Items]            
Company operated retail stores | store   1,272 1,272      
Number of states in which entity operates | state   32 32      
Number of franchised locations | item   49 49      
Number of operating segments | segment     1      
Fiscal period duration           371 days
Property and equipment accumulated depreciation   $ 427,900 $ 427,900     $ 444,900
Proceeds from sale of corporate headquarters $ 9,100   9,914 $ 1,727    
Gain on sale of headquarters   $ 2,800 $ 2,702 $ 1,401    
Forecast [Member]            
Significant Accounting Policies [Line Items]            
Fiscal period duration         364 days  
Minimum [Member]            
Significant Accounting Policies [Line Items]            
Fiscal period duration     364 days      
Maximum [Member]            
Significant Accounting Policies [Line Items]            
Fiscal period duration     371 days