LOSS PER COMMON SHARE - Narrative (Details) - $ / shares |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Mar. 29, 2026 |
Mar. 30, 2025 |
Mar. 29, 2026 |
Mar. 30, 2025 |
Mar. 28, 2024 |
|
| Subsequent Event [Line Items] | |||||
| Anti-dilutive shares excluded (in shares) | 0 | 0 | 0 | 0 | |
| Rights Agreement | |||||
| Subsequent Event [Line Items] | |||||
| Dividends declared, number of preferred share purchase rights | 1 | ||||
| Class of warrant or right, exercise price of warrants or rights (in dollars per share) | $ 90.00 | ||||
| Class of warrant or right, number of securities called by each warrant or right (in shares) | 0.001 | ||||