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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right to consideration is unconditional, classified as current.

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Amount of transactions with related party during the financial reporting period.

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Related Party Transactions (Details) $ in Thousands	3 Months Ended		6 Months Ended
Related Party Transactions (Details) $ in Thousands	Mar. 30, 2024 USD ($) aircraft	Mar. 25, 2023 USD ($)	Mar. 30, 2024 USD ($) aircraft	Mar. 25, 2023 USD ($)	Sep. 30, 2023 USD ($)
Related Party Transaction [Line Items]
Revenue	$ 424,301	$ 266,854	$ 792,751	$ 473,166
Unbilled receivables	127,677		127,677		$ 69,206
Contract liabilities	856,922		856,922		787,227
Related Party
Related Party Transaction [Line Items]
Revenue	23,000	7,200	35,600	12,700
Accounts receivable	2,900		2,900		900
Unbilled receivables	10,300		10,300
Contract liabilities	1,000		1,000		$ 9,300
Aircraft Time Sharing Agreement
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 300	300	$ 500	400
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	$ 800	$ 700	$ 1,500	$ 1,000