XML 69 R52.htm IDEA: XBRL DOCUMENT v3.24.0.1
Goodwill and Intangible Assets (Details) - USD ($)
 12 Months Ended
Dec. 26, 2023
Dec. 27, 2022
Dec. 28, 2021
Changes in the carrying amount of goodwill      
Balance at the beginning of the period $ 148,732,000 $ 127,001,000  
Additions 20,952,000 21,731,000  
Impairment 0 0 $ 0
Balance at the end of the period 169,684,000 148,732,000 127,001,000
Changes in the carrying amount of intangible assets      
Balance at the beginning of the period, net 5,607,000 1,520,000  
Additions 900,000 6,900,000  
Amortization expense (3,024,000) (2,813,000)  
Balance at the end of the period, net 3,483,000 5,607,000 $ 1,520,000
Gross carrying amount 24,400,000 23,500,000  
Accumulated amortization 20,929,000 $ 17,905,000  
Minimum      
Changes in the carrying amount of intangible assets      
Expected amortization expense for each of the next four years 0    
Maximum      
Changes in the carrying amount of intangible assets      
Expected amortization expense for each of the next four years $ 2,200,000