v3.26.3
Common Stock and Stock-Based Compensation - Summary of Stock Options under Employee Equity Incentive Plan and Stock Option Plan for Non-Employee Directors (Detail) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 26, 2026
Shares  
Outstanding at beginning of period 289,550
Granted 4,146
Exercised (3,120)
Forfeited/ Expired (125,231)
Outstanding at end of period 165,345
Exercisable at end of period 82,171
Vested and expected to vest at end of period 156,054
Weighted-Average Exercise Price  
Outstanding at beginning of period $ 313.93
Granted 181.63
Exercised 157.58
Forfeited/ Expired 387.22
Outstanding at end of period 258.06
Exercisable at end of period 282.78
Vested and expected to vest at end of period $ 264.29
Weighted-Average Remaining Contractual Term  
Outstanding at end of period 7 years 4 months 13 days
Exercisable at end of period 5 years 10 months 9 days
Vested and expected to vest at end of period 7 years 2 months 4 days
Aggregate Intrinsic Value  
Outstanding at end of period $ 121
Exercisable at end of period 121
Vested and expected to vest at end of period $ 121