Revenue from Contracts with Customers Revenue from Contracts with Customers (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2026	Dec. 28, 2024	Sep. 27, 2025
Disaggregation of Revenue [Line Items]
Revenue for adjustments made to performance obligations satisfied in previous periods	$ 12,547	$ 8,669
Contract loss and contract-related loss reserves	80,863		$ 84,360
Revenue recognized due to contract liabilities	149,813
Remaining performance obligation, amount	$ 7,210,000
Remaining performance obligation, percentage	45.00%
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: 2026-01-04
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	12 months