Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net earnings	$ 52,820	$ 58,712
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	27,074	23,861
Stock compensation expense	8,518	6,889
Deferred income taxes	(573)	1,778
Provision for doubtful accounts	133	380
Unrealized (gain) loss on foreign currency transactions and deferred compensation	(1,010)	188
Asset impairment and loss on disposal of assets	5,203	226
Change in fair value of contingent consideration liability	(6,400)	0
Changes in assets and liabilities
Accounts receivable	6,621	(15,506)
Inventories	(5,332)	(33,141)
Prepaid expenses and other current assets	(5,389)	(1,733)
Accounts payable and accrued expenses	(5,451)	15,075
Income taxes	(6,293)	(779)
Other	(92)	(689)
Net cash provided by operating activities	69,829	55,261
Cash flows from investing activities:
Cash paid for acquisitions, net of cash acquired	(341)	(295,660)
Capital expenditures and intangible assets acquired	(17,952)	(20,799)
Proceeds from sale of assets	1,881	197
Proceeds from settlement of net investment hedge	2,740	0
Investment in affiliates	0	(150)
Net cash used in investing activities	(13,672)	(316,412)
Cash flows from financing activities:
Proceeds from revolving loan	13,000	365,000
Principal payments on revolving loan	(48,000)	(40,000)
Principal payments on acquired debt	0	(30,648)
Principal payments on finance lease	(110)	(83)
Proceeds from stock options exercised	3,826	1,328
Dividends paid	(22,869)	(20,704)
Purchase of common stock	(3,924)	(35,199)
Net cash (used in) provided by financing activities	(58,077)	239,694
Effect of exchange rate changes on cash	2,216	(5,599)
Increase (decrease) in cash and cash equivalents	296	(27,056)
Cash and cash equivalents beginning of period	66,560	103,239
Cash and cash equivalents end of period	$ 66,856	$ 76,183