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Retirement Plans (Schedule of Plan Asset Allocation) (Details) | Sep. 28, 2025 | Sep. 29, 2024
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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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