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STOCK - BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 26, 2022
Jun. 27, 2021
Dec. 26, 2021
Dec. 27, 2020
Number of Shares        
Beginning Balance (in shares) 13,773,414 14,612,730 14,612,730  
Options granted (in shares) 578,865 4,477,360    
Options exercised (in shares) (560,610) (904,159)    
Options forfeited (in shares) (130,590) (196,175)    
Options expired (in shares) (25,243) (75,535)    
Ending Balance (in shares) 13,635,836 17,914,221 13,773,414 14,612,730
Options exercisable, Number of shares (in shares) 8,824,027 5,044,682    
Options vested and expected to vest, Number of shares (in shares) 13,635,836 17,914,221    
Weighted Average Exercise Price Per Share        
Beginning Balance (in dollars per share) $ 6.87 $ 4.27 $ 4.27  
Options granted (in dollars per share) 23.75 10.76    
Options exercised (in dollars per share) 5.22 4.15    
Options forfeited (in dollars per share) 12.24 6.09    
Options expired (in dollars per share) 5.85 5.87    
Ending Balance (in dollars per share) 7.61 6.12 $ 6.87 $ 4.27
Options exercisable, Weighted average exercise price per share (in dollars per share) 5.35 3.00    
Options vested and expected to vest, Weighted average exercise price per share (in dollars per share) $ 7.61 $ 6.12    
Stock Options Additional Disclosures        
Options outstanding, Weighted average remaining contractual term 7 years 2 months 15 days 7 years 25 days 7 years 5 months 1 day 6 years 4 months 2 days
Options exercisable, Weighted average remaining contractual term 6 years 4 months 6 days 4 years 9 months 14 days    
Options vested and expected to vest, Weighted average remaining contractual term 7 years 2 months 15 days 7 years 25 days    
Options outstanding, Aggregate intrinsic value $ 84,673 $ 71,852 $ 337,269 $ 15,204
Options exercisable, Aggregate intrinsic value 70,585 39,244    
Options vested and expected to vest, Aggregate intrinsic value $ 84,673 $ 71,852