v3.26.1
Revenue from Contracts with Customers (Contract Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Jun. 27, 2026
Sep. 27, 2025
Revenue from Contract with Customer [Abstract]    
Unbilled receivables $ 823,658 $ 744,352
Contract advances and progress billings 486,574 372,988
Net contract assets $ 337,084 $ 371,364