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Revenue from Contracts with Customers Revenue from Contracts with Customers (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021	Oct. 02, 2021
Disaggregation of Revenue [Line Items]
Revenue for adjustments made to performance obligations satisified in prior year	$ (2,238)	$ 10,563	$ 8,740	$ 12,535
Contract loss and contract-related reserves	47,380		47,380		$ 58,857
Revenue recognized due to contract liabilities	56,481		131,165
Remaining performance obligation, amount	$ 5,100,000		$ 5,100,000
Remaining performance obligation, percentage	45.00%		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: 2020-04-03
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	12 months		12 months