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Organization and Significant Accounting Policies - Revenue Recognition, Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 30, 2023
Revenue from External Customer [Line Items] |  |  |
Cost of goods sold | $ 2,131,728 | $ 2,256,725 | $ 2,363,241
Third Party Providers | Sales Revenue, Net | Revenue from Rights Concentration Risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Percentage of largest customer accounted of the Company's net sales | 1.00% |  |
Shipping and Handling |  |  |
Revenue from External Customer [Line Items] |  |  |
Cost of goods sold | $ 12,800 | $ 12,800 | $ 13,600

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