Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.8.0.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Sep. 30, 2017
Oct. 01, 2016
Earnings Per Share [Abstract]        
Net income $ 11,295 $ 4,989 $ 28,790 $ 20,186
Basic and diluted weighted average shares outstanding 27,059 26,923 27,017 26,879
Basic and diluted net income per common share $ 0.42 $ 0.19 $ 1.07 $ 0.75