Stockholders' Equity And Stock-Based Compensation (Forfeiture Rates) (Details) |
12 Months Ended | ||
|---|---|---|---|
Sep. 27, 2024 |
Sep. 29, 2023 |
Sep. 30, 2022 |
|
| Stockholders' Equity And Stock-Based Compensation [Abstract] | |||
| Estimated forfeiture rate, percent | 8.53% | 8.62% | 8.63% |