Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Summary of Stock Option Activity (Detail)

v3.21.2
Stock Based Compensation - Summary of Stock Option Activity (Detail) - 2014 Equity Incentive Plan - $ / shares
shares in Thousands
9 Months Ended 12 Months Ended
Sep. 25, 2021
Dec. 26, 2020
Number of Shares    
Outstanding, beginning balance (in shares) 12,749  
Granted (in shares) 2,348  
Exercised (in shares) (286)  
Forfeited or expired (in shares) (1,186)  
Outstanding, ending balance (in shares) 13,625 12,749
Exercisable (in shares) 4,936  
Weighted Average Exercise Price Per Share    
Outstanding, beginning balance (in dollars per share) $ 7.66  
Granted (in dollars per share)  
Exercised (in dollars per share)  
Forfeited or expired (in dollars per share)  
Outstanding, ending balance (in dollars per share) 8.13 $ 7.66
Exercisable (in dollars per share) $ 7.74  
Outstanding, Weighted Average Remaining Contractual Term 7 years 3 months 18 days 8 years
Exercisable, Weighted Average Remaining Contractual Term 6 years 8 months 26 days