Related Party Transactions (Details)	12 Months Ended
	Sep. 28, 2024 USD ($) aircraft	Sep. 30, 2023 USD ($)	Sep. 24, 2022 USD ($)
Related Party Transaction [Line Items]
Contract liabilities	$ 805,547,000	$ 787,227,000	$ 425,700,000
Remaining performance obligation, amount	22,400,000,000
Related party tax expense, due to affiliates, current	48,200,000
Related Party
Related Party Transaction [Line Items]
Revenues	58,900,000	15,800,000	3,500,000
Accounts receivable	18,400,000	900,000
Contract liabilities	1,800,000	9,300,000
Related party tax expense, due from affiliates, current	41,700,000
Aircraft Time Sharing Agreement
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 1,100,000	900,000	700,000
Aircraft Time Sharing Agreement | Related Party
Related Party Transaction [Line Items]
Number of aircrafts | aircraft	2,000,000
Usage of Facility and Employee Services
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 1,800,000	2,900,000	$ 200,000
C&S | Related Party
Related Party Transaction [Line Items]
Remaining performance obligation, amount	5,100,000
GreenBox | Related Party
Related Party Transaction [Line Items]
Revenues	6,000,000.0	0
Accounts receivable	0	0
Contract liabilities	69,100,000	0
Remaining performance obligation, amount	11,500,000,000
Investments in unconsolidated VIE	83,100,000	$ 0
Shared Services Agreement | Related Party
Related Party Transaction [Line Items]
Accounts receivable	$ 600,000