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Stock-Based Compensation Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 28, 2016
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
 
June 28,
2016
 
June 30,
2015
June 28,
2016
 
June 30,
2015
Stock-based compensation expense
$
564

 
$
512

$
973

 
$
699

Capitalized stock-based compensation expense
$
63

 
$
59

$
124

 
$
99