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Retirement Plans (Fair Value of Plan Assets of Pension Plans) (Details) - USD ($) $ in Thousands | Sep. 28, 2025 | Sep. 29, 2024 | Oct. 01, 2023
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 290,569 | $ 302,439 |
Qualified Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Projected benefit obligation | 281,390 | 297,920 | $ 266,345
Accumulated benefit obligation | 281,390 | 297,920 |
Fair value of plan assets | 290,569 | 302,439 | 275,143
SERP |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Projected benefit obligation | 51,134 | 57,097 | 53,513
Accumulated benefit obligation | 51,134 | 57,097 |
Fair value of plan assets | $ 0 | $ 0 | $ 0

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