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Stock-Based Compensation (Tables)
 6 Months Ended
Jul. 04, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-based compensation expense The following table shows total stock-based compensation expense (in thousands):
 
Fiscal Quarter Ended
 
Two Fiscal Quarters Ended
 
July 4,
2017
 
June 28,
2016
 
July 4,
2017
 
June 28,
2016
Stock-based compensation expense
$
648

 
$
564

 
$
945

 
$
973

Capitalized stock-based compensation expense
$
52

 
$
63

 
$
102

 
$
124