Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Restricted Stock Award Activity (Details)

v3.22.0.1
Stockholders' Equity - Restricted Stock Award Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 30, 2021
Dec. 31, 2020
Dec. 26, 2019
Restricted Stock Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period (in years) 4 years    
Weighted Average Grant Date Fair Value      
Unrecognized compensation cost amount $ 10.9 $ 15.2  
Unrecognized compensation cost period for recognition (in years) 1 year 10 months 24 days    
Fair value of restricted stock awards vested $ 1.4 $ 0.5 $ 0.5
Service-based      
Restricted Stock Awards      
Beginning balance (in shares) 131,844    
Granted (in shares) 29,153    
Vested (in shares) (13,764)    
Forfeited (in shares) (2,508)    
Ending balance (in shares) 144,725 131,844  
Weighted Average Grant Date Fair Value      
Beginning balance (in dollars per share) $ 53.72    
Granted (in dollars per share) 96.86    
Vested (in dollars per share) 49.70    
Forfeited (in dollars per share) 46.37    
Ending balance (in dollars per share) $ 62.92 $ 53.72  
Performance-based      
Restricted Stock Awards      
Beginning balance (in shares) 160,315    
Granted (in shares) 0    
Vested (in shares) 0    
Forfeited (in shares) 0    
Ending balance (in shares) 160,315 160,315  
Weighted Average Grant Date Fair Value      
Beginning balance (in dollars per share) $ 57.70    
Granted (in dollars per share) 0    
Vested (in dollars per share) 0    
Forfeited (in dollars per share) 0    
Ending balance (in dollars per share) $ 57.70 $ 57.70  
TSR      
Restricted Stock Awards      
Beginning balance (in shares) 104,456    
Granted (in shares) 0    
Vested (in shares) 0    
Forfeited (in shares) 0    
Ending balance (in shares) 104,456 104,456  
Weighted Average Grant Date Fair Value      
Beginning balance (in dollars per share) $ 44.28    
Granted (in dollars per share) 0    
Vested (in dollars per share) 0    
Forfeited (in dollars per share) 0    
Ending balance (in dollars per share) $ 44.28 $ 44.28