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Summary of Significant Accounting Policies (Research and Development Expenses) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2024
Dec. 31, 2023
Dec. 25, 2022
General and administrative      
Schedule of research and development expense [Line Items]      
Research and development expense $ 3.5 $ 3.1 $ 2.5