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Retirement Plans | 12 Months Ended
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Sep. 26, 2025
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract] |
Retirement Plans | Retirement Plans We maintain a tax-qualified Section 401(k) retirement plan for employees in the U.S. and similar plans in foreign jurisdictions. Under the plan, employees are eligible to receive matching contributions and profit-sharing contributions. We also maintain a SERP, a non-qualified, employer-funded defined contribution retirement plan which was terminated in fiscal 2005. Retirement plan expenses, which are included in cost of products and services, R&D, S&M, and G&A expense in our consolidated statements of operations, were as follows (in thousands):
| Fiscal Year Ended
| September 26, 2025 | September 27, 2024 | September 29, 2023
Retirement plan expenses | $ | 24,739 |  | $ | 24,558 |  | $ | 24,925 |

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