Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amount of goodwill

The change in the carrying amount of goodwill by segment for the nine-month period ended September 30, 2024 is detailed as follows (in thousands):

	Cardiovascular		Endoscopy		Total
Goodwill balance at January 1	$	382,240	$	—	$	382,240
Effect of foreign exchange		211		—		211
Additions and adjustments as the result of acquisitions		—		16,997		16,997
Goodwill balance at September 30	$	382,451	$	16,997	$	399,448

Other intangible assets

Other intangible assets at September 30, 2024 and December 31, 2023 consisted of the following (in thousands):

	September 30, 2024
	Gross Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount
Patents	$	30,472	$	(12,315)	$	18,157
Distribution agreements		3,250		(2,975)		275
License agreements		11,599		(8,979)		2,620
Trademarks		40,538		(23,235)		17,303
Customer lists		46,959		(35,475)		11,484
Total	$	132,818	$	(82,979)	$	49,839

	December 31, 2023
	Gross Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount
Patents	$	28,877	$	(10,916)	$	17,961
Distribution agreements		3,250		(2,919)		331
License agreements		11,142		(8,327)		2,815
Trademarks		35,135		(20,804)		14,331
Customer lists		40,367		(33,921)		6,446
Total	$	118,771	$	(76,887)	$	41,884

Estimated amortization expense

Estimated amortization expense for developed technology and other intangible assets for the next five years consisted of the following as of September 30, 2024 (in thousands):

	Estimated Amortization Expense
Remaining 2024	$	17,783
2025		69,119
2026		58,484
2027		54,947
2028		53,409