v3.26.1
Related Party Transactions (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 27, 2026
USD ($)
aircraft
Jun. 28, 2025
USD ($)
Jun. 27, 2026
USD ($)
aircraft
Jun. 28, 2025
USD ($)
Sep. 27, 2025
USD ($)
Related Party Transaction [Line Items]          
Operating lease, weighted average remaining lease term 2 years 1 month 6 days   2 years 1 month 6 days    
Revenue $ 720,838 $ 592,121 $ 2,027,303 $ 1,628,465  
Contract liabilities 1,736,559   1,736,559   $ 1,367,244
Remaining performance obligation, amount 22,500,000   22,500,000    
Related party tax expense, due to affiliates, current $ 0 0 $ 1,200 1,200  
Related Party          
Related Party Transaction [Line Items]          
Operating lease, weighted average remaining lease term 2 years   2 years    
Operating lease rent expense $ 600 100 $ 1,800 100  
Revenue 2,400 4,800 6,400 10,000  
Accounts receivable 2,400   2,400   2,400
Contract liabilities 1,300   1,300   500
Related party tax expense, due to affiliates, current     1,200 1,100  
Aircraft Time Sharing Agreement          
Related Party Transaction [Line Items]          
Expenses from transactions with related party $ 1,000 300 $ 1,700 1,100  
Aircraft Time Sharing Agreement | Related Party          
Related Party Transaction [Line Items]          
Number of aircrafts | aircraft 2   2    
Usage of Facility and Employee Services          
Related Party Transaction [Line Items]          
Expenses from transactions with related party $ 400 300 $ 1,200 1,000  
Exol | Related Party          
Related Party Transaction [Line Items]          
Accounts receivable 31,300   31,300   600
Contract liabilities 122,800   122,800   142,700
Revenues 41,100 26,400 130,600 34,000  
Remaining performance obligation, amount 11,600,000   11,600,000    
Exol - Shared Services Agreement | Related Party          
Related Party Transaction [Line Items]          
Accounts receivable 3,400   3,400   $ 13,100
Cash Funding for VIE | Related Party | Exol          
Related Party Transaction [Line Items]          
Cash funding 23,400 24,400 73,200 31,100  
Non-cash funding $ 0 $ 4,200 $ 0 $ 6,900