CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
NET SALES	$ 274,568	$ 205,557	$ 857,108	$ 622,602
COSTS OF OPERATIONS	231,700	182,377	743,894	565,708
GROSS PROFIT	42,868	23,180	113,214	56,894
OPERATING EXPENSES:
Selling, general and administrative expenses	19,318	14,673	56,721	39,710
NON-OPERATING (INCOME) EXPENSES:
Interest expense, net	1,813	1,042	4,525	2,088
Other (income) expense, net	(294)	666	(842)	993
Total expense, net	20,837	16,381	60,404	42,791
INCOME BEFORE INCOME TAXES	22,031	6,799	52,810	14,103
INCOME TAX PROVISION	4,572	1,567	11,214	3,049
NET INCOME	$ 17,459	$ 5,232	$ 41,596	$ 11,054
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 1.53	$ 0.46	$ 3.64	$ 0.97
DILUTED INCOME PER COMMON SHARE (in dollars per share)	1.52	0.46	3.62	0.97
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.18	$ 0.18	$ 0.54	$ 0.54
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,446	11,417	11,437	11,417
Diluted (in shares)	11,515	11,417	11,495	11,418