CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONSOLIDATED STATEMENTS OF INCOME
Net sales	$ 323,508	$ 297,565
Cost of sales	171,793	159,203
Gross profit	151,715	138,362
Operating expenses:
Selling, general and administrative	94,428	90,144
Research and development	21,482	21,314
Contingent consideration (benefit) expense	(117)	521
Total operating expenses	115,793	111,979
Income from operations	35,922	26,383
Other income (expense):
Interest income	7,276	131
Interest expense	(8,046)	(2,011)
Other income (expense) - net	(804)	997
Total other expense - net	(1,574)	(883)
Income before income taxes	34,348	25,500
Income tax expense	6,108	4,797
Net income	$ 28,240	$ 20,703
Earnings per common share
Basic (in dollars per share)	$ 0.49	$ 0.36
Diluted (in dollars per share)	$ 0.48	$ 0.36
Weighted average shares outstanding
Basic (in shares)	57,958	57,352
Diluted (in shares)	58,567	58,183