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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Dec. 30, 2023
Acquired identifiable intangible assets          
Goodwill $ 94,577,000   $ 94,577,000   $ 93,989,000
Goodwill, gross 166,500,000   166,500,000   165,882,000
Accumulated impairment 71,900,000   71,900,000   71,893,000
Goodwill, impairment loss     0   0
Intangible assets impairment losses     0   $ 0
Customer relationships          
Acquired identifiable intangible assets          
Amortization $ 400,000 $ 300,000 $ 1,100,000 $ 1,000,000.0