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Retirement Benefit Plans Deferred Compensation (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 25, 2021
Dec. 26, 2020
Schedule of Deferred Compensation      
Company's maximum match under employee deferred compensation program $ 4,500    
Deferred compensation arrangement with individual, employer contribution $ 600,000 $ 300,000 $ 600,000