Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net sales	$ 2,158,163	$ 2,559,990	$ 2,312,253
Costs and expenses
Cost of materials sold (excludes items shown separately below)	1,684,663	2,073,930	1,802,052
Warehouse and processing	122,212	104,668	103,017
Administrative and general	122,239	114,004	104,617
Distribution	66,979	60,529	55,404
Selling	41,436	40,174	41,881
Occupancy	16,520	13,200	12,500
Depreciation	21,545	17,285	17,952
Amortization	4,898	2,453	2,364
Total costs and expenses	2,080,492	2,426,243	2,139,787
Operating income	77,671	133,747	172,466
Other loss, net	78	45	36
Income before interest and income taxes	77,593	133,702	172,430
Interest and other expense on debt	16,006	10,080	7,631
Income before income taxes	61,587	123,622	164,799
Income tax provision	17,058	32,691	43,748
Net income	44,529	90,931	121,051
Gain (loss) on cash flow hedges	(1,693)	4,409	2,960
Tax effect of hedges	423	(1,102)	(740)
Total comprehensive income	$ 43,259	$ 94,238	$ 123,271
Net income per share - basic (in dollars per share)	$ 3.85	$ 7.87	$ 10.53
Weighted average shares outstanding - basic (in shares)	11,573	11,551	11,492
Net income per share - diluted (in dollars per share)	$ 3.85	$ 7.87	$ 10.52
Weighted average shares outstanding - diluted (in shares)	11,578	11,559	11,503
Dividends declared per share of common stock (in dollars per share)	$ 0.5	$ 0.36	$ 0.08