Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net earnings	$ 128,475	$ 108,543	$ 105,367
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	47,973	54,935	51,848
Stock compensation expense	16,675	16,052	13,224
Deferred income taxes	(6,779)	(10,814)	(8,362)
Provision for credit losses	299	37	401
Unrealized (gain) loss on foreign currency transactions and deferred compensation	(100)	(733)	914
Asset impairment charge and loss on disposal of assets	1,664	7,031	366
Change in fair value of contingent consideration liability	(91)	(11,300)	0
Changes in assets and liabilities, net of acquired balances
Accounts receivable	5,582	6,969	(3,618)
Inventories	(22,791)	10,530	(7,804)
Prepaid expenses and other current assets	225	(3,540)	1,870
Accounts payable and accrued expenses	9,065	3,552	(15,543)
Income taxes	(583)	2,194	296
Other	2,385	305	(423)
Net cash provided by operating activities	181,999	183,761	138,536
Cash flows from investing activities:
Cash paid for acquisitions, net of cash acquired	(24,164)	(1,252)	(365,780)
Capital expenditures and intangible assets acquired	(35,661)	(37,892)	(49,945)
Proceeds from sale of assets	359	1,881	206
Proceeds from settlement of net investment hedge	0	2,740	0
Investment in affiliates	(270)	(290)	(495)
Net cash used in investing activities	(59,736)	(34,813)	(416,014)
Cash flows from financing activities:
Proceeds from revolving loan	26,000	18,000	435,000
Principal payments on revolving debt	(145,569)	(149,000)	(103,000)
Principal payments on acquired debt	0	0	(30,988)
Cash paid for financing costs	0	0	(1,232)
Principal payments on finance lease	(216)	(222)	(177)
Proceeds from stock options exercised	17,228	5,242	3,212
Dividends paid	(25,576)	(22,872)	(20,713)
Repurchases of common stock	(5,682)	(4,469)	(35,423)
Net cash (used in) provided by financing activities	(133,815)	(153,321)	246,679
Effect of exchange rate changes on cash	(3,380)	2,260	(5,880)
Decrease in cash and cash equivalents	(14,932)	(2,113)	(36,679)
Cash and cash equivalents beginning of period	64,447	66,560	103,239
Cash and cash equivalents end of period	$ 49,515	$ 64,447	$ 66,560