STOCKHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION - Effects of Stock-Based Compensation Expense Related to Stock-Based Awards to Employees and Non-Employees (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jul. 03, 2026 |
Jul. 04, 2025 |
Jul. 03, 2026 |
Jul. 04, 2025 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total share-based compensation expense | $ 21,097 | $ 17,306 | $ 65,873 | $ 61,593 |
| Cost of Revenue | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total share-based compensation expense | 2,324 | 1,728 | 6,920 | 6,376 |
| Research and Development | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total share-based compensation expense | 7,671 | 7,109 | 25,628 | 25,235 |
| Selling, General and Administrative | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total share-based compensation expense | $ 11,102 | $ 8,469 | $ 33,325 | $ 29,982 |