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OTHER RETIREMENT PLANS - Other Retirement Plans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 29, 2024 | Sep. 24, 2023 | Sep. 25, 2022
GCIU- Employer Retirement Fund |  |  |
Multiemployer Plan [Line Items] |  |  |
Contribution to multiemployer plan | $ 0 | $ 0 | $ 0
District No. 9, International Association of Machinists and Aerospace Workers Pension Trust |  |  |
Multiemployer Plan [Line Items] |  |  |
Contribution to multiemployer plan | 0 | 0 | 0
CWA/ITU negotiated Pension Plan |  |  |
Multiemployer Plan [Line Items] |  |  |
Contribution to multiemployer plan | 0 | 0 | 0
IAM National Pension Fund |  |  |
Multiemployer Plan [Line Items] |  |  |
Contribution to multiemployer plan | 0 | 45 | 57
Operating Engineers Central Pension Fund of the International Union of Operating Engineers and Participating Employers |  |  |
Multiemployer Plan [Line Items] |  |  |
Contribution to multiemployer plan | $ 0 | $ 32 | $ 50

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