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Goodwill and Intangible Assets (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 26, 2023
Dec. 27, 2022
Changes in the carrying amount of goodwill      
Balance at the beginning of the period $ 169,684,000 $ 148,732,000  
Additions 0 20,952,000  
Impairment 0 0 $ 0
Balance at the end of the period 169,684,000 169,684,000 148,732,000
Changes in the carrying amount of intangible assets      
Balance at the beginning of the period, net 3,483,000 5,607,000  
Additions 0 900,000  
Amortization expense (2,218,000) (3,024,000)  
Balance at the end of the period, net 1,265,000 3,483,000 $ 5,607,000
Gross carrying amount 24,400,000 24,400,000  
Accumulated amortization 23,147,000 $ 20,929,000  
Minimum [Member]      
Changes in the carrying amount of intangible assets      
Expected amortization expense for each of the next four years 0    
Maximum [Member]      
Changes in the carrying amount of intangible assets      
Expected amortization expense for each of the next four years $ 1,200,000