Selected Balance Sheet and Statement of Operations Information - Other, Net (Parenthetical) (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Jun. 27, 2026 |
Jun. 28, 2025 |
|
| Oberon [Member] | ||
| Impairment Charge | $ 10,213 | |
| IH [Member] | ||
| Impairment Charge | $ 9,595 | |
| Impairment of Cost Method Investee [Member] | ||
| Impairment Charge | $ 200 | |