Revenue from Contracts with Customers Revenue from Contracts with Customers (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Oct. 02, 2021
Disaggregation of Revenue [Line Items]
Revenue for adjustments made to performance obligations satisified in prior year	$ 10,978	$ 1,882
Contract loss and contract-related reserves	52,589		$ 58,857
Revenue recognized due to contract liabilities	74,684
Remaining performance obligation, amount	$ 4,800,000
Remaining performance obligation, percentage	46.00%
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