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Earnings per Share (Tables)
 9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Earnings per Share The following table shows the computation of basic and diluted earnings per share (in thousands, except per share data):
 
Three months ended
 
Nine months ended
 
September 30, 2017
 
October 1, 2016
 
September 30, 2017
 
October 1, 2016
Net income
$
5,686

 
$
15,008

 
$
9,508

 
$
5,720

 
 
 
 
 
 
 
 
Basic weighted shares outstanding
9,079

 
8,900

 
9,033

 
8,891

Dilutive effect of share-based awards
164

 
30

 
152

 
72

Diluted weighted average shares outstanding
9,243

 
8,930

 
9,185

 
8,963

 
 
 
 
 
 
 
 
Basic earnings per share
$
0.63

 
$
1.69

 
$
1.05

 
$
0.64

Diluted earnings per share
$
0.62

 
$
1.68

 
$
1.04

 
$
0.64