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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 28, 2019
Share-based Payment Arrangement [Abstract]  
Share-based payment arrangement, restricted stock unit, activity
The following summarizes the activity of restricted stock awards during fiscal years 2019, 2018 and 2017:
 
Share Units
 
Weighted Average Grant Date Fair Value
Unvested shares as of December 31, 2016
502,773

 
$
19.35

Granted
199,419

 
$
38.72

Vested
(93,805
)
 
$
9.61

Forfeited
(25,336
)
 
$
28.79

Unvested shares as of December 30, 2017
583,051

 
$
27.13

Granted
187,087

 
$
65.15

Vested
(127,870
)
 
$
19.98

Forfeited
(15,357
)
 
$
32.14

Unvested shares as of December 29, 2018
626,911

 
$
39.81

Granted
275,220

 
$
70.90

Vested
(207,039
)
 
$
20.41

Forfeited
(42,415
)
 
$
53.24

Unvested shares as of December 28, 2019
652,677

 
$
58.20