Income taxes - Schedule of Changes in Valuation Allowances of Deferred Tax Assets (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jun. 26, 2026 |
Jun. 27, 2025 |
Jun. 28, 2024 |
|
| Reconciliation Of Nol Deferred Tax Assets Valuation Allowance [Roll Forward] | |||
| Beginning Balance | $ 3,481 | $ 3,613 | $ 3,824 |
| Additional | 2,087 | 823 | 3,613 |
| Reduction | 0 | (955) | (3,824) |
| Ending Balance | $ 5,568 | $ 3,481 | $ 3,613 |