v3.26.1
Goodwill and Intangible Assets - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2025
USD ($)
Feb. 28, 2025
USD ($)
Jun. 28, 2026
USD ($)
Jun. 29, 2025
USD ($)
Mar. 30, 2025
USD ($)
Jun. 28, 2026
USD ($)
segment
Jun. 29, 2025
USD ($)
Sep. 28, 2025
USD ($)
Feb. 27, 2025
contract
Goodwill [Line Items]                  
Number of reportable segments | segment           2      
Impairment of goodwill $ 0   $ 0 $ 0   $ 0 $ 92,416    
Percentage of excess of fair value over carrying value (less than) 38.00%                
Percentage of cancellation programs                 83.00%
Number of contracts cancelled | contract                 5,200
Goodwill     2,216,319     2,216,319   $ 2,049,874  
Amortization expense     9,000 $ 8,300   26,200 $ 27,600    
Global Development Services                  
Goodwill [Line Items]                  
Impairment of goodwill   $ 92,400     $ 92,400        
Goodwill   $ 130,500 $ 38,100     $ 38,100