Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Information (Unaudited) (Details)

v3.20.4
Quarterly Financial Information (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Quarterly Financial Information (unaudited)                      
Net sales $ 158,160 $ 133,761 $ 120,043 $ 68,190 $ 160,298 $ 141,869 $ 176,356 $ 93,187 $ 480,154 $ 571,710 $ 524,067
Gross profit 47,787 36,728 32,075 11,690 46,339 39,939 59,593 22,946 128,280 168,817 154,890
Income (loss) before taxes 23,370 12,464 (121,315) (13,348) 14,062 15,542 33,773 (760) (98,829) 62,617 55,759
Net income (loss) $ 18,162 $ 9,230 $ (103,859) $ (10,086) $ 11,560 $ 12,429 $ 25,474 $ (297) $ (86,553) $ 48,527 $ 43,321
Basic earnings (loss) per common share attributable to common shareholders (in dollars per share) $ 0.78 $ 0.40 $ (4.55) $ (0.44) $ 0.50 $ 0.54 $ 1.10 $ (0.01) $ (3.81) $ 2.13 $ 1.91
Earnings (loss) per common share assuming dilution attributable to common shareholders (in dollars per share) 0.78 0.39 (4.55) (0.44) 0.50 0.53 1.10 (0.01) $ (3.81) $ 2.11 $ 1.89
Cash dividends paid per share (in dollars per share) $ 0.28 $ 0.28 $ 0.28 $ 0.28 $ 0.27 $ 0.27 $ 0.27 $ 0.27