Annual report pursuant to Section 13 and 15(d)

Net Income Per Share (Computation of Basic and Diluted Earnings Per Share)(Details)

v3.7.0.1
Net Income Per Share (Computation of Basic and Diluted Earnings Per Share)(Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 25, 2016
Sep. 25, 2016
Jun. 26, 2016
Mar. 27, 2016
Dec. 27, 2015
Sep. 27, 2015
Jun. 28, 2015
Mar. 29, 2015
Dec. 25, 2016
Dec. 27, 2015
Dec. 28, 2014
Earnings Per Share [Abstract]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount                 1,000 26,000 13,000
BASIC                      
Net income $ 2,333 $ 4,599 $ 5,780 $ 4,532 $ 219 $ 4,069 $ 5,373 $ 3,235 $ 17,244 $ 12,896 $ 11,491
Weighted-average common shares outstanding                 16,676,073 16,470,278 16,427,732
Basic net income per common share $ 0.14 $ 0.70 $ 0.35 $ 0.27 $ 0.01 $ 0.25 $ 0.33 $ 0.20 $ 1.03 $ 0.78 $ 0.70
DILUTED                      
Net income $ 2,333 $ 4,599 $ 5,780 $ 4,532 $ 219 $ 4,069 $ 5,373 $ 3,235 $ 17,244 $ 12,896 $ 11,491
DENOMINATOR:                      
Weighted-average common shares outstanding                 16,676,073 16,470,278 16,427,732
Dilutive effect of stock options                 211,809 269,109 281,739
Weighted-average of diluted shares                 16,887,882 16,739,387 16,709,471
Diluted net income per common share $ 0.14 $ 0.27 $ 0.34 $ 0.27 $ 0.01 $ 0.24 $ 0.32 $ 0.19 $ 1.02 $ 0.77 $ 0.69