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Composition Of Certain Financial Statement Captions (Schedule Of Prepaid Expenses And Other Current Assets) (Details) - USD ($) $ in Thousands | Sep. 26, 2025 | Sep. 27, 2024
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Composition Of Certain Financial Statement Captions [Abstract] |  |
Prepaid assets | $ 28,006 | $ 29,745
Other current assets | 23,867 | 40,249
Prepaid expenses and other current assets | $ 51,873 | $ 69,994

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