Retirement Plans (Narrative) (Details)	3 Months Ended	12 Months Ended
	Oct. 01, 2023 USD ($) healthcarePlan	Oct. 01, 2023 USD ($) benefitPlan healthcarePlan	Oct. 02, 2022 USD ($)	Oct. 03, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of sponsored defined benefit pension plans | benefitPlan		2
Lump sum payments from qualified plan	$ 14,400,000
Number of healthcare plans | healthcarePlan	2	2
Cash flow period extension		30 years
Decrease in discount rate and expected return on plan assets (as a percent)		0.0025
Decrease in earnings before income taxes from 0.25% decrease in the discount rate		$ 100,000
Decrease in earnings before income taxes from 0.25% decrease in the long-term rate of return on assets		1,000,000
Minimum required contribution for retirement plans	$ 0	0
Qualified Defined Contribution Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, Company contributions		2,300,000	$ 2,100,000	$ 1,600,000
Non-Qualified Deferred Compensation Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, Company contributions		$ 100,000	$ 100,000	$ 100,000
Maximum annual contributions per employee, percent		50.00%
Maximum annual contributions per employee, percent of bonus		85.00%