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Related Party Transactions (Details) $ in Thousands	3 Months Ended
	Dec. 30, 2023 USD ($) aircraft	Dec. 24, 2022 USD ($)	Sep. 30, 2023 USD ($)
Related Party Transaction [Line Items]
Contract liabilities	$ 857,197		$ 787,227
Related Party
Related Party Transaction [Line Items]
Revenues	12,600	$ 5,500
Accounts receivable	13,800		900
Contract liabilities	10,500		$ 9,300
Aircraft Time Sharing Agreement
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 200	100
Aircraft Time Sharing Agreement | Related Party
Related Party Transaction [Line Items]
Number of aircrafts | aircraft	2
Usage of Facility and Employee Services
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 700	$ 300

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