v3.26.1
Goodwill And Intangible Assets (Components Of Intangible Assets) (Details) - USD ($)
$ in Thousands
Jun. 27, 2026
Sep. 27, 2025
Intangible Asset, Finite-Lived    
Weighted- Average Life (years) 12 years  
Gross Carrying Amount $ 273,232 $ 271,701
Accumulated Amortization $ (215,605) (205,600)
Customer-related    
Intangible Asset, Finite-Lived    
Weighted- Average Life (years) 11 years  
Gross Carrying Amount $ 131,998 131,967
Accumulated Amortization $ (104,326) (100,655)
Technology-related    
Intangible Asset, Finite-Lived    
Weighted- Average Life (years) 9 years  
Gross Carrying Amount $ 78,211 77,172
Accumulated Amortization $ (61,708) (57,817)
Program-related    
Intangible Asset, Finite-Lived    
Weighted- Average Life (years) 23 years  
Gross Carrying Amount $ 39,490 39,799
Accumulated Amortization $ (27,483) (26,476)
Marketing-related    
Intangible Asset, Finite-Lived    
Weighted- Average Life (years) 8 years  
Gross Carrying Amount $ 22,258 21,387
Accumulated Amortization $ (20,839) (19,320)
Other Intangible Assets    
Intangible Asset, Finite-Lived    
Weighted- Average Life (years) 3 years  
Gross Carrying Amount $ 1,275 1,376
Accumulated Amortization $ (1,249) $ (1,332)