Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Sales	$ 771,575	$ 571,882	$ 2,135,687	$ 1,622,265
Cost of sales	704,825	518,177	1,952,579	1,478,420
Gross profit	66,750	53,705	183,108	143,845
Selling, general and administrative expenses	38,544	34,387	110,675	98,969
Amortization of intangible assets	1,591	1,596	4,792	4,793
Restructuring charges and other costs	1,331	6,428	4,518	9,600
Ransomware related incident costs (recovery), net	0	(500)	0	(3,944)
Income from operations	25,284	11,794	63,123	34,427
Interest expense	(3,493)	(1,987)	(7,428)	(6,215)
Interest income	452	122	843	451
Other income	1,087	500	1,577	664
Income before income taxes	23,330	10,429	58,115	29,327
Income tax expense	4,501	2,364	11,105	5,976
Net income	$ 18,829	$ 8,065	$ 47,010	$ 23,351
Earnings per share:
Basic	$ 0.54	$ 0.23	$ 1.34	$ 0.65
Diluted	$ 0.53	$ 0.23	$ 1.32	$ 0.64
Weighted-average number of shares outstanding:
Basic	35,151	35,423	35,184	35,806
Diluted	35,348	35,666	35,604	36,287