CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
NET SALES	$ 300,264	$ 201,500	$ 582,539	$ 417,045
COSTS OF OPERATIONS	260,335	183,126	512,194	383,331
GROSS PROFIT	39,929	18,374	70,345	33,714
OPERATING EXPENSES:
Selling, general and administrative expenses	19,480	12,651	37,403	25,037
NON-OPERATING (INCOME) EXPENSES:
Interest expense, net	1,700	628	2,713	1,046
Other (income) expense, net	(229)	275	(548)	327
Total expense, net	20,951	13,554	39,568	26,410
INCOME BEFORE INCOME TAXES	18,978	4,820	30,777	7,304
INCOME TAX PROVISION	4,063	1,063	6,642	1,482
NET INCOME	$ 14,915	$ 3,757	$ 24,135	$ 5,822
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 1.30	$ 0.33	$ 2.11	$ 0.51
DILUTED INCOME PER COMMON SHARE (in dollars per share)	1.29	0.33	2.10	0.51
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.18	$ 0.18	$ 0.36	$ 0.36
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,466	11,417	11,425	11,417
Diluted (in shares)	11,526	11,417	11,477	11,421