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Organization and Significant Accounting Policies - Cost of Goods Sold, Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Sep. 27, 2025 | Sep. 28, 2024 | Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Cost of shipping and handling included in selling, general and administrative expenses | $ 84.9 | $ 87.1 | $ 97.1

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