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Goodwill and Other Intangible Assets - Narrative (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 23, 2024
USD ($)
Mar. 24, 2024
USD ($)
Sep. 24, 2023
USD ($)
Jun. 23, 2024
USD ($)
Sep. 24, 2023
USD ($)
Finite-Lived Intangible Assets [Line Items]          
Weighted average amortization period (in years)       11 years  
Allocated to sold operations       $ 1,261 $ 0
Impairment of intangible assets (excluding goodwill)   $ 7,600 $ 7,700    
Customer and newspaper subscriber lists          
Finite-Lived Intangible Assets [Line Items]          
Finite-lived intangible asset, fully amortized $ 42,900        
Measurement Input, Discount Rate          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, measurement input 0.125     0.125  
Minimum | Measurement Input, Royalty Rate          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, measurement input 0     0  
Maximum | Measurement Input, Royalty Rate          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, measurement input 0.010     0.010