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NET INCOME PER SHARE (Tables)
3 Months Ended
Apr. 02, 2017
Earnings Per Share [Abstract]  
Schedule of adjusted net income and diluted common shares
Diluted common shares were calculated as follows (in thousands, except per share amounts):
 
Thirteen weeks ended
 
April 2, 2017
 
March 25, 2016
Net income
$
4,674

 
$
6,968

 
 
 
 
Weighted average number of common shares used in basic net income per common share
41,637

 
41,502

Dilutive effect of non-vested restricted stock
300

 
296

Weighted average number of common shares used in diluted net income per common share
41,937

 
41,798

Net income per common share:
 
 
 
Basic
$
0.11

 
$
0.17

Diluted
$
0.11

 
$
0.17

 
 
 
 
Anti-dilutive shares
159

 
284