Retirement Plans (Narrative) (Details)	1 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($)	Sep. 27, 2020 USD ($)	Oct. 02, 2022 USD ($) benefitPlan healthcarePlan	Oct. 03, 2021 USD ($)	Sep. 27, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of sponsored defined benefit pension plans | benefitPlan			2
Lump sum payments from qualified plan	$ 122,300,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other pension and post-retirement expenses, net	Other pension and post-retirement expenses, net
Pension settlement	$ 38,600,000	$ 600,000
Number of healthcare plans | healthcarePlan			2
Cash flow period extension			30 years
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
Qualified Defined Contribution Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, Company contributions			2,100,000	$ 1,600,000	$ 1,600,000
Non-Qualified Deferred Compensation Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, Company contributions			$ 100,000	$ 100,000	$ 300,000
Maximum annual contributions per employee, percent			50.00%
Maximum annual contributions per employee, percent of bonus			85.00%