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Goodwill and Other Intangible Assets - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 24, 2024
USD ($)
Sep. 24, 2023
USD ($)
Mar. 24, 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    
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