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Revenue from Contracts with Customers Revenue from Contracts with Customers (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue for adjustments made to performance obligations satisfied in previous periods	$ (10,565)	$ (5,114)	$ (8,181)	$ (7,180)
Contract loss and contract-related loss reserves	67,707		67,707		$ 45,257
Revenue recognized due to contract liabilities	71,811		215,019
Remaining performance obligation, amount	$ 5,000,000		$ 5,000,000
Remaining performance obligation, percentage	50.00%		50.00%
Minimum
Disaggregation of Revenue [Line Items]
Payment terms - days			30
Maximum
Disaggregation of Revenue [Line Items]
Payment terms - days			60 days
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-06-30
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	12 months		12 months