v3.26.3
EQUITY-BASED COMPENSATION PLANS - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Jun. 29, 2026
May 06, 2026
May 01, 2026
Mar. 13, 2026
Sep. 27, 2026
Sep. 28, 2025
Dec. 31, 2021
Restricted stock units              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Nonvested award, cost not yet recognized, amount         $ 7,763    
Cost not yet recognized, period for recognition (years)         1 year 8 months 12 days    
Granted (in dollars per share)         $ 3.04 $ 2.89  
Vested in period, fair value         $ 6,002 $ 2,444  
Granted (in shares)         2,164,004    
Performance stock units              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period (in years)         3 years    
Granted (in dollars per share) $ 2.60   $ 3.10 $ 3.01      
Granted (in shares) 18,867   273,532 379,211      
Share-Based Payment Arrangement              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period (in years)         3 years    
Expiration period (in years)         10 years    
Options, expiration term after fully vesting (in years)         90 days    
Minimum | Restricted stock units              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period (in years)         1 year    
Minimum | Performance stock units              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting award rights, percentage of initial target awards         0.00%    
Maximum | Restricted stock units              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period (in years)         4 years    
Maximum | Performance stock units              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting award rights, percentage of initial target awards         150.00%    
The 2021 Omnibus Incentive Plan              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Number of shares authorized (in shares)             8,850,000
Number of additional shares authorized (in shares)   5,000,000 5,000,000        
Common stock, capital shares reserved for future issuance (in shares)     13,850,000        
Number of shares available for issuance (in shares)         6,069,692