Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Sales	$ 733,232	$ 728,029	$ 1,427,927	$ 1,364,112
Cost of sales	666,201	669,273	1,296,938	1,247,754
Gross profit	67,031	58,756	130,989	116,358
Selling, general and administrative expenses	37,672	35,842	75,870	72,131
Amortization of intangible assets	1,591	1,592	3,183	3,201
Restructuring charges and other costs (income)	3,287	(1,110)	4,713	3,187
Income from operations	24,481	22,432	47,223	37,839
Interest expense	(8,258)	(2,185)	(14,708)	(3,935)
Interest income	1,622	261	2,880	391
Other income (expense), net	61	784	(2,104)	490
Income before income taxes	17,906	21,292	33,291	34,785
Income tax expense	3,915	4,071	6,940	6,604
Net income	$ 13,991	$ 17,221	$ 26,351	$ 28,181
Earnings per share:
Basic	$ 0.39	$ 0.49	$ 0.74	$ 0.8
Diluted	$ 0.39	$ 0.49	$ 0.74	$ 0.79
Weighted-average number of shares outstanding:
Basic	35,618	35,157	35,478	35,201
Diluted	35,676	35,336	35,730	35,616