Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 27, 2025 |
|---|---|---|
| Financial assets at fair value: | ||
| Total financial assets at fair value | $ 206,725 | $ 0 |
| Money Market Funds | ||
| Financial assets at fair value: | ||
| Cash and cash equivalents | 206,725 | |
| Fair Value, Inputs, Level 1 | ||
| Financial assets at fair value: | ||
| Total financial assets at fair value | 206,725 | |
| Fair Value, Inputs, Level 1 | Money Market Funds | ||
| Financial assets at fair value: | ||
| Cash and cash equivalents | 206,725 | |
| Fair Value, Inputs, Level 2 | ||
| Financial assets at fair value: | ||
| Total financial assets at fair value | 0 | |
| Fair Value, Inputs, Level 2 | Money Market Funds | ||
| Financial assets at fair value: | ||
| Cash and cash equivalents | 0 | |
| Fair Value, Inputs, Level 3 | ||
| Financial assets at fair value: | ||
| Total financial assets at fair value | 0 | |
| Fair Value, Inputs, Level 3 | Money Market Funds | ||
| Financial assets at fair value: | ||
| Cash and cash equivalents | $ 0 |