Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net earnings	$ 154,845	$ 128,475	$ 108,543
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	45,690	47,973	54,935
Stock compensation expense	18,057	16,675	16,052
Deferred income taxes	6,262	(6,779)	(10,814)
(Recovery of) provision for credit losses	(97)	299	37
Unrealized gain on foreign currency transactions and deferred compensation	(680)	(100)	(733)
Asset impairment charge and (gain) loss on disposal of assets	(58)	1,664	7,031
Change in fair value of contingent consideration liability	0	(91)	(11,300)
Changes in assets and liabilities, net of acquired balances
Accounts receivable	(20,853)	5,582	6,969
Inventories	3,635	(22,791)	10,530
Prepaid expenses and other current assets	(1,332)	225	(3,540)
Accounts payable and accrued expenses	11,292	9,065	3,552
Income taxes	(1,070)	(583)	2,194
Other	865	2,385	305
Net cash provided by operating activities	216,556	181,999	183,761
Cash flows from investing activities:
Capital expenditures and intangible assets acquired	(43,489)	(35,661)	(37,892)
Cash paid for acquisitions, net of cash acquired	(323)	(24,164)	(1,252)
Proceeds from sale of assets	274	359	1,881
Proceeds from settlement of net investment hedge	0	0	2,740
Investment in affiliates	(353)	(270)	(290)
Net cash used in investing activities	(43,891)	(59,736)	(34,813)
Cash flows from financing activities:
Proceeds from revolving loan	88,000	26,000	18,000
Principal payments on revolving debt	(114,000)	(145,569)	(149,000)
Principal payments on finance lease	(194)	(216)	(222)
Proceeds from stock options exercised	9,307	17,228	5,242
Dividends paid	(28,287)	(25,576)	(22,872)
Repurchases of common stock	(107,636)	(5,682)	(4,469)
Net cash used in financing activities	(152,810)	(133,815)	(153,321)
Effect of exchange rate changes on cash	5,200	(3,380)	2,260
Increase (decrease) in cash and cash equivalents	25,055	(14,932)	(2,113)
Cash and cash equivalents beginning of period	49,515	64,447	66,560
Cash and cash equivalents end of period	$ 74,570	$ 49,515	$ 64,447