Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v3.22.0.1
Stockholders' Equity (Tables)
 12 Months Ended
Dec. 30, 2021
Equity [Abstract]  
Schedule of Assumptions Used to Estimate the Fair Value of Stock Option Awards Granted
Stock option award grant date fair values were estimated using the Black-Scholes-Merton option pricing model with the following weighted-average assumptions:
Fiscal Year Ended
December 30,
2021		 December 31,
2020		 December 26,
2019
Weighted average fair value per stock option $ 41.75 $ 22.27 $ 20.38
Risk-free interest rate 0.80% 1.17% 2.06%
Expected volatility 48% 39% 45%
Expected life (in years) 5.40 5.75 6.68
Dividend yield —% —% —%
Schedule of Stock Option Activity
The table below summarizes stock option activity for the fiscal year ended December 30, 2021:
Options Weighted
Average
Exercise
Price		 Weighted Average Remaining Contractual Life (Years) Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2021 3,740,604  $ 20.72 
Granted 66,505  95.68 
Exercised (1,252,566) 11.77 
Forfeited or expired (50,889) 39.11 
Outstanding at December 30, 2021 2,503,654  $ 26.81  5.7 $ 258,395 
Vested and exercisable at December 30, 2021 1,685,628  $ 19.58  5.2 $ 186,097 
Schedule of Restricted Stock Unit Activity
The following table summarizes restricted stock unit activity during the fiscal year ended December 30, 2021:
Restricted Stock Units Weighted Average Grant Date Fair Value
Unvested at January 1, 2021 128,220  $ 59.40 
Granted 129,290  99.78 
Vested (28,631) 58.01 
Forfeited (14,101) 76.14 
Unvested at December 30, 2021 214,778  $ 82.80 
Schedule of Restricted Stock Award Activity
The following table summarizes restricted stock award activity during the fiscal year ended December 30, 2021:
Restricted Stock Awards
Service-based Performance-based TSR
Shares Weighted Average Grant Date Fair Value Shares Weighted Average Grant Date Fair Value Shares Weighted Average Grant Date Fair Value
Unvested at January 1, 2021 131,844  $ 53.72  160,315  $ 57.70  104,456  $ 44.28 
Granted 29,153  96.86  —  —  —  — 
Vested (13,764) 49.70  —  —  —  — 
Forfeited (2,508) 46.37  —  —  —  — 
Unvested at December 30, 2021 144,725  $ 62.92  160,315  $ 57.70  104,456  $ 44.28