Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net earnings	$ 37,053	$ 28,986
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	11,014	13,668
Stock compensation expense	3,810	4,750
Deferred income taxes	(115)	(302)
Provision for doubtful accounts	(79)	223
Unrealized loss (gain) on foreign currency transactions and deferred compensation	24	(726)
Loss (gain) on disposal of assets	65	(144)
Changes in assets and liabilities
Accounts receivable	(10,069)	(15,010)
Inventories	(12,897)	(1,458)
Prepaid expenses and other current assets	(859)	564
Accounts payable and accrued expenses	(737)	(4,584)
Income taxes	9,123	6,929
Other	124	492
Net cash provided by operating activities	36,457	33,388
Cash flows from investing activities:
Capital expenditures and intangible assets acquired	(5,559)	(6,910)
Cash paid for acquisitions, net of cash acquired	(323)	0
Proceeds from sale of assets	0	213
Investment in affiliates	(30)	(42)
Net cash used in investing activities	(5,912)	(6,739)
Cash flows from financing activities:
Proceeds from revolving loan	29,000	26,000
Principal payments on revolving loan	(29,000)	(34,000)
Principal payments on finance leases	(49)	(57)
Proceeds from stock options exercised	1,668	8,791
Dividends paid	(28,263)	(25,555)
Repurchases of common stock	(5,325)	(5,202)
Net cash used in financing activities	(31,969)	(30,023)
Effect of exchange rate changes on cash	1,810	(724)
Increase (decrease) in cash and cash equivalents	386	(4,098)
Cash and cash equivalents beginning of period	49,515	64,447
Cash and cash equivalents end of period	$ 49,901	$ 60,349