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Retirement Plans (Schedule of Plan Asset Allocation) (Details)	Sep. 28, 2025	Sep. 29, 2024
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	2.00%	1.00%
Asset allocation, target, equity securities	0.00%	0.00%
Global equity
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	12.00%	13.00%
Asset allocation, target, equity securities	12.00%	12.00%
Alternative credit
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	11.00%	11.00%
Asset allocation, target, equity securities	9.00%	9.00%
Real assets
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	9.00%	9.00%
Asset allocation, target, equity securities	9.00%	9.00%
Liability-hedging assets
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	66.00%	66.00%
Asset allocation, target, equity securities	70.00%	70.00%
Minimum | Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%	0.00%
Minimum | Global equity
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	7.00%	7.00%
Minimum | Alternative credit
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	4.00%	4.00%
Minimum | Real assets
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	4.00%	4.00%
Minimum | Liability-hedging assets
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	60.00%	60.00%
Maximum | Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%	0.00%
Maximum | Global equity
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	17.00%	17.00%
Maximum | Alternative credit
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	14.00%	14.00%
Maximum | Real assets
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	14.00%	14.00%
Maximum | Liability-hedging assets
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	80.00%	80.00%

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