CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CONSOLIDATED STATEMENTS OF INCOME
Net sales	$ 1,257,366	$ 1,150,981	$ 1,074,751
Cost of sales	673,494	631,882	589,418
Gross profit	583,872	519,099	485,333
Operating expenses:
Selling, general and administrative	373,676	342,525	335,690
Research and development	82,728	75,510	71,247
Legal settlement			10,036
Impairment charges	270	2,219	4,283
Contingent consideration expense	1,704	4,611	3,161
Acquired in-process research and development	1,550	6,671
Total operating expenses	459,928	431,536	424,417
Income from operations	123,944	87,563	60,916
Other income (expense):
Interest income	2,456	439	769
Interest expense	(15,511)	(6,339)	(5,261)
Other income (expense) - net	1,200	966	(2,507)
Total other expense - net	(11,855)	(4,934)	(6,999)
Income before income taxes	112,089	82,629	53,917
Income tax expense	17,678	8,113	5,463
Net income	$ 94,411	$ 74,516	$ 48,454
Earnings per common share
Basic (in dollars per share)	$ 1.64	$ 1.31	$ 0.86
Diluted (in dollars per share)	$ 1.62	$ 1.29	$ 0.84
Weighted average shares outstanding
Basic (in shares)	57,593	56,806	56,145
Diluted (in shares)	58,356	57,671	57,359