Note B - Inventories, Net (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 27, 2024 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Mar. 27, 2026 |
Dec. 26, 2025 |
Sep. 26, 2025 |
Jul. 01, 2025 |
Mar. 28, 2025 |
Sep. 27, 2024 |
Jul. 01, 2024 |
Jun. 30, 2024 |
|
| Inventory Write-down | $ 1,579 | $ 0 | $ 1,579 | ||||||||
| Inventory Valuation Reserves | 16,190 | 16,016 | |||||||||
| Inventory, Net | 159,215 | 178,028 | 184,085 | $ 192,465 | $ 195,311 | $ 190,406 | $ 168,894 | $ 174,802 | |||
| Retained Earnings (Accumulated Deficit) | 157,547 | 182,340 | 157,548 | 173,547 | 170,802 | 156,464 | $ 157,548 | 155,509 | 157,194 | $ 160,529 | |
| Revision of Prior Period, Adjustment [Member] | |||||||||||
| Inventory Write-down | 0 | ||||||||||
| Inventory, Net | 30,937 | 32,621 | 32,134 | 32,134 | 32,134 | 32,134 | 30,937 | 30,937 | $ 30,937 | ||
| Retained Earnings (Accumulated Deficit) | $ 30,937 | $ 25,045 | $ 32,134 | $ 24,672 | $ 24,672 | $ 32,134 | $ 32,134 | $ 30,937 | $ 30,937 | $ 30,937 | $ 30,937 |