Consolidated Statement of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 893,550	$ 883,830	$ 857,110
Cost of sales	(692,230)	(675,530)	(639,920)
Gross profit	201,320	208,300	217,190
Selling, general and administrative expenses	(134,580)	(131,190)	(121,970)
Net gain (loss) on dispositions of assets	(180)	21,950	(130)
Impairment of indefinite-lived intangible assets	(1,120)	0	0
Operating profit (loss)	65,440	99,060	95,090
Other expense, net:
Interest expense	(15,920)	(14,110)	(14,510)
Debt financing and related expenses	0	0	(10,520)
Other income (expense), net	1,070	2,720	(950)
Other expense, net	(14,850)	(11,390)	(25,980)
Income (loss) before income taxes	50,590	87,670	69,110
Income tax benefit (expense)	(10,230)	(21,500)	(11,800)
Net income (loss)	$ 40,360	$ 66,170	$ 57,310
Basic earnings (loss) per share:
Net income (loss) per share	$ 0.97	$ 1.57	$ 1.33
Weighted average common shares—basic	41,439,027	42,249,244	43,006,922
Diluted earnings (loss) per share:
Net income (loss) per share	$ 0.97	$ 1.56	$ 1.32
Weighted average common shares—diluted	41,685,348	42,478,015	43,281,076