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STOCK - BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 25, 2022
Sep. 26, 2021
Dec. 26, 2021
Dec. 27, 2020
Number of Shares        
Beginning Balance (in shares) 13,773,414 14,612,730 14,612,730  
Options assumed (in shares)   85,757    
Options granted (in shares) 741,118 5,102,710    
Options exercised (in shares) (819,454) (5,143,937)    
Options forfeited (in shares) (252,190) (527,434)    
Options expired (in shares) (32,272) (85,100)    
Ending Balance (in shares) 13,410,616 14,044,726 13,773,414 14,612,730
Options exercisable, Number of shares (in shares) 9,254,215 4,615,134    
Options vested and expected to vest, Number of shares (in shares) 13,410,616 14,044,726    
Weighted Average Exercise Price Per Share        
Beginning Balance (in dollars per share) $ 6.87 $ 4.27 $ 4.27  
Options assumed (in dollars per share)   8.95    
Options granted (in dollars per share) 22.64 11.20    
Options exercised (in dollars per share) 4.85 4.95    
Options forfeited (in dollars per share) 13.44 6.84    
Options expired (in dollars per share) 6.94 5.43    
Ending Balance (in dollars per share) 7.74 6.92 $ 6.87 $ 4.27
Options exercisable, Weighted average exercise price per share (in dollars per share) 5.77 4.33    
Options vested and expected to vest, Weighted average exercise price per share (in dollars per share) $ 7.74 $ 6.92    
Stock Options Additional Disclosures        
Options outstanding, Weighted average remaining contractual term 6 years 11 months 26 days 7 years 3 months 14 days 7 years 5 months 1 day 6 years 4 months 2 days
Options exercisable, Weighted average remaining contractual term 6 years 3 months 7 days 4 years 9 months 29 days    
Options vested and expected to vest, Weighted average remaining contractual term 6 years 11 months 26 days 7 years 3 months 14 days    
Options outstanding, Aggregate intrinsic value $ 125,586 $ 114,172 $ 337,269 $ 15,204
Options exercisable, Aggregate intrinsic value 102,364 42,619    
Options vested and expected to vest, Aggregate intrinsic value $ 125,586 $ 114,172