Segment Reporting and Foreign Operations - Operating Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 1,074,751	$ 963,875	$ 994,852
Operating income (loss)	60,916	(1,562)	15,434
Total other income (expense) - net	(6,999)	(11,669)	(13,241)
Income tax (benefit) expense	5,463	(3,388)	(3,258)
Net income (loss)	48,454	(9,843)	5,451
Cardiovascular
Segment Reporting Information [Line Items]
Net sales	1,043,227	934,202	960,981
Operating income (loss)	53,415	(7,042)	25,780
Endoscopy
Segment Reporting Information [Line Items]
Net sales	31,524	29,673	33,871
Operating income (loss)	$ 7,501	$ 5,480	$ (10,346)