Annual report pursuant to Section 13 and 15(d)

Unaudited Quarterly Financial Information (Details)

v3.19.3.a.u2
Unaudited Quarterly Financial Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 28, 2019
Sep. 28, 2019
Jun. 29, 2019
Mar. 30, 2019
Dec. 29, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Unaudited Quarterly Financial Information [Abstract]                      
Net sales $ 125,927 $ 138,045 $ 143,842 $ 146,851 $ 138,722 $ 135,837 $ 136,168 $ 97,318 $ 554,665 $ 508,045 $ 342,839
Gross profit 47,427 52,119 56,227 56,509 52,927 51,735 50,404 37,617 212,282 192,683 136,525
Operating income 18,772 19,138 26,373 25,832 22,052 19,246 17,003 17,253 90,115 75,554 61,491
Income before income taxes 16,861 15,462 21,925 21,059 17,032 14,250 9,220 15,893 75,307 56,395 47,544
Net income $ 13,809 $ 12,791 $ 17,265 $ 16,404 $ 16,424 $ 11,599 $ 6,796 $ 11,911 $ 60,268 $ 46,730 $ 31,558
Basic and diluted net income per common share $ 0.43 $ 0.40 $ 0.54 $ 0.51 $ 0.51 $ 0.36 $ 0.22 $ 0.40 $ 1.88 $ 1.49 $ 1.17