Stockholders' Equity And Stock-Based Compensation (Summary Of Weighted-Average Fair Value Of Stock Options Granted And Total Intrinsic Value Of Stock Options Exercised) (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 27, 2024 |
Sep. 29, 2023 |
Sep. 30, 2022 |
|
| Stockholders' Equity And Stock-Based Compensation [Abstract] | |||
| Weighted-average fair value at date of grant | $ 24.12 | $ 19.15 | $ 21.17 |
| Intrinsic value of options exercised | $ 14,224 | $ 22,736 | $ 22,885 |