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Stockholders' Equity and Stock Compensation Plans - ESPP Summary (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Sep. 28, 2025 | Sep. 29, 2024 | Oct. 01, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Cash received from exercise of purchase rights | $ 469 | $ 3,067 | $ 626
ESPP |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares purchased (in shares) | 458 | 522 | 492
Weighted-average purchase price per share (in dollars per share) | $ 33.39 | $ 28.14 | $ 25.66
Cash received from exercise of purchase rights | $ 15,307 | $ 14,675 | $ 12,628

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