Segment Reporting - Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Net sales	$ 275,415	$ 248,913
Operating income	15,233	14,194
Total other income (expense) - net	(1,062)	(1,500)
Income tax expense	3,626	1,736
Net income	10,545	10,958
Cardiovascular
Segment Reporting Information [Line Items]
Net sales	266,936	241,006
Operating income	13,126	12,201
Endoscopy
Segment Reporting Information [Line Items]
Net sales	8,479	7,907
Operating income	$ 2,107	$ 1,993