Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amount of goodwill

The change in the carrying amount of goodwill by segment for the three-month period ended March 31, 2025 is detailed as follows (in thousands):

	2025
	Cardiovascular		Endoscopy		Total
Goodwill balance at January 1	$	446,514	$	16,997	$	463,511
Effect of foreign exchange		849		—		849
Goodwill balance at March 31	$	447,363	$	16,997	$	464,360

Other intangible assets

Other intangible assets at March 31, 2025 and December 31, 2024 consisted of the following (in thousands):

	March 31, 2025
	Gross Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount
Patents	$	32,163	$	(13,278)	$	18,885
Distribution agreements		3,250		(3,013)		237
License agreements		11,580		(9,330)		2,250
Trademarks		47,627		(25,170)		22,457
Customer lists		57,994		(37,195)		20,799
Total	$	152,614	$	(87,986)	$	64,628

	December 31, 2024
	Gross Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount
Patents	$	31,489	$	(12,824)	$	18,665
Distribution agreements		3,250		(2,994)		256
License agreements		11,557		(9,125)		2,432
Trademarks		47,613		(24,177)		23,436
Customer lists		57,933		(36,223)		21,710
Total	$	151,842	$	(85,343)	$	66,499

Estimated amortization expense

Estimated amortization expense for developed technology and other intangible assets for the next five years consisted of the following as of March 31, 2025 (in thousands):

Year ending December 31,	Estimated Amortization Expense
Remaining 2025	$	62,428
2026		72,797
2027		69,127
2028		67,728
2029		56,158