Annual report pursuant to Section 13 and 15(d)

Unaudited Quarterly Financial Information (Details)

v3.20.4
Unaudited Quarterly Financial Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jan. 02, 2021
Sep. 26, 2020
Jun. 27, 2020
Mar. 28, 2020
Dec. 28, 2019
Sep. 28, 2019
Jun. 29, 2019
Mar. 30, 2019
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
Unaudited Quarterly Financial Information [Abstract]                      
Net sales $ 151,618 $ 122,645 $ 119,294 $ 129,483 $ 125,927 $ 138,045 $ 143,842 $ 146,851 $ 523,040 $ 554,665 $ 508,045
Gross profit 52,716 46,943 44,719 51,850 47,427 52,119 56,227 56,509 196,228 212,282 192,683
Operating income (loss) 10,400 18,343 16,702 (10,033) 18,772 19,138 26,373 25,832 35,412 90,115 75,554
Income (loss) before income taxes 7,156 16,362 13,544 (13,015) 16,861 15,462 21,925 21,059 24,047 75,307 56,395
Net income (loss) $ 5,551 $ 12,982 $ 12,908 $ (17,223) $ 13,809 $ 12,791 $ 17,265 $ 16,404 $ 14,218 $ 60,268 $ 46,730
Basic and diluted net income per common share $ 0.17 $ 0.40 $ 0.40 $ (0.54) $ 0.43 $ 0.40 $ 0.54 $ 0.51 $ 0.44 $ 1.88 $ 1.49