Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows From Operating Activities
Net income	$ 48,867	$ 60,267	$ 33,538
Adjustments to reconcile net income to net cash provided by (used for) operating activities
Depreciation and amortization	22,786	21,216	20,422
Amortization of deferred financing costs	313	441	463
Non-cash stock-based compensation expense	6,671	7,436	3,196
(Gain) loss on disposal of fixed assets	(195)	(667)	(1,382)
Deferred taxes	1,039	2,072	2,826
Other	944	1,520	(1,403)
Cash flows provided by (used for) working capital
Accounts receivable - trade and other, net	2,656	(23,625)	(15,273)
Inventories	2,630	7,955	(24,885)
Prepaid expenses and other current assets	151	(1,409)	(676)
Accounts payable and accrued expenses	310	(2,585)	28,088
Net cash provided by (used for) operating activities	86,172	72,621	44,914
Cash Flows From Investing Activities
Capital expenditures	(22,855)	(24,292)	(17,867)
Acquisition of business, net of cash acquired	(160)	(27,626)	(35,758)
Proceeds from sale of property, plant and equipment	258	1,537	3,336
Net cash provided by (used for) investing activities	(22,757)	(50,381)	(50,289)
Cash Flows From Financing Activities
Borrowings on revolving credit facility	740,000	1,264,200	886,600
Repayments on revolving credit facility	(776,000)	(1,261,200)	(833,600)
Repayments of long-term debt	0	0	(40,000)
Payments on finance lease	(542)	(500)	(402)
Cash dividends paid	(20,240)	(19,797)	(19,596)
Proceeds from issuance of common stock	2,338	2,320	3,793
Shares withheld for employee taxes on equity awards	(2,072)	(451)	(888)
Deferred financing fees	0	(889)	(1,095)
Net cash provided by (used for) financing activities	(56,516)	(16,317)	(5,188)
Foreign exchange rate effect on cash	252	(439)	(83)
Net increase (decrease) in cash	7,151	5,484	(10,646)
Cash at January 1	23,139	17,655	28,301
Cash at December 31	30,290	23,139	17,655
Supplemental Disclosures of Cash Flow Information
Interest	5,980	4,574	4,279
Income taxes	$ 13,451	$ 13,023	$ 10,936