Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales:	$ 1,339,783	$ 1,032,578	$ 898,233
Cost of sales	1,049,772	776,235	678,336
Gross profit	290,011	256,343	219,897
Selling, general, and administrative expense	184,723	149,153	139,085
Intangible asset impairment	8,300	0	0
Income from operations	96,988	107,190	80,812
Interest expense, net	1,639	703	2,323
Other (income) expense	(4,213)	(1,272)	408
Income before taxes	99,562	107,759	78,081
Provision for income taxes	25,046	24,468	18,153
Income from continuing operations	74,516	83,291	59,928
Discontinued operations:
Income (loss) before taxes	1,479	(16,602)	6,682
Provision for income taxes	366	2,123	1,519
Income (loss) from discontinued operations	1,113	(18,725)	5,163
Net income	$ 75,629	$ 64,566	$ 65,091
Net earnings per share – Basic:
Income from continuing operations (in dollars per share)	$ 2.27	$ 2.55	$ 1.85
(Loss) income from discontinued operations (in dollars per share)	0.03	(0.57)	0.16
Net income (in dollars per share)	$ 2.30	$ 1.98	$ 2.01
Weighted average shares outstanding – Basic (in shares)	32,873	32,664	32,389
Net earnings per share – Diluted:
Income from continuing operations (in dollars per share)	$ 2.25	$ 2.53	$ 1.83
(Loss) income from discontinued operations (in dollars per share)	0.04	(0.57)	0.16
Net income (in dollars per share)	$ 2.29	$ 1.96	$ 1.99
Weighted average shares outstanding – Diluted (in shares)	33,054	32,918	32,722