Retirement Plans (Schedule of Plan Asset Allocation) (Details)	Oct. 01, 2023	Oct. 02, 2022
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	100.00%	100.00%
Asset allocation, target, equity securities	100.00%	100.00%
Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	1.00%	1.00%
Asset allocation, target, equity securities	0.00%	1.00%
Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities		11.00%
Asset allocation, target, equity securities		11.00%
International equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	11.00%	11.00%
Asset allocation, target, equity securities	12.00%	11.00%
Core fixed funds
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	68.00%	57.00%
Asset allocation, target, equity securities	70.00%	64.00%
High yield
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities		2.00%
Asset allocation, target, equity securities		2.00%
Alternative investments
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	10.00%	4.00%
Asset allocation, target, equity securities	9.00%	4.00%
Real estate
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	10.00%	7.00%
Asset allocation, target, equity securities	9.00%	0.00%
Real return bonds
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities		7.00%
Asset allocation, target, equity securities		7.00%
Minimum | Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%	0.00%
Minimum | Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities		5.00%
Minimum | International equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	7.00%	5.00%
Minimum | Core fixed funds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	60.00%	57.00%
Minimum | High yield
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities		0.00%
Minimum | Alternative investments
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	4.00%	0.00%
Minimum | Real estate
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	4.00%	0.00%
Minimum | Real return bonds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities		0.00%
Maximum | Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%	0.00%
Maximum | Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities		17.00%
Maximum | International equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	17.00%	17.00%
Maximum | Core fixed funds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	80.00%	71.00%
Maximum | High yield
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities		5.00%
Maximum | Alternative investments
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	14.00%	8.00%
Maximum | Real estate
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	14.00%	5.00%
Maximum | Real return bonds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities		14.00%