Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Other Intangible Assets [Abstract]

Schedule Of Carrying Values Of Indefinite Lived Intangible Assets

	2017		2016
Goodwill	$	188,305	$	78,294
In-process R&D		13,954		--
Procurement contracts and agreements		2,013		2,013
Trademarks		841		841

Schedule Of Goodwill By Reportable Segment

	2017		2016
Balance as of January 1,	$	78,294	$	11,365
Goodwill from JOTEC acquisition		110,100		--
Goodwill from On-X acquisition		--		68,229
Goodwill allocated to sale of HeRO Graft product line		--		(1,200)
Goodwill allocated to sale of ProCol distribution rights and purchase option		--		(100)
Revaluation of goodwill denominated in foreign currency		(89)		--
Balance as of December 31,	$	188,305	$	78,294

Schedule Of Gross Carrying Values, Accumulated Amortization, And Approximate Amortization Period Of Definite Lived Intangible Assets

	Gross Carrying		Accumulated		Amortization
December 31, 2017	Value		Amortization		Period
Acquired technology	$	139,045		8,685	11	–	22	Years
Patents		3,612		2,819			17	Years
Distribution and manufacturing rights and know-how		4,059		1,820	11	–	15	Years
Customer lists and relationships		32,419		3,552	13	–	23	Years
Other		1,439		1,076			3	Years
	Gross Carrying		Accumulated		Amortization
December 31, 2016	Value		Amortization		Period
Acquired technology	$	38,478		5,956	11	–	22	Years
Patents		3,710		2,702			17	Years
Distribution and manufacturing rights and know-how		4,059		1,532	11	–	15	Years
Customer lists and relationships		29,140		2,141	13	–	22	Years
Non-compete agreement		381		381			10	Years
Other		1,262		531			3	Years

Summary Of Amortization Expense

	2017		2016		2015
Amortization expense	$	5,085	$	4,426	$	2,135

Scheduled Amortization Of Intangible Assets For Next Five Years

	2018		2019		2020		2021		2022		Total
Amortization expense	$	10,810	$	10,468	$	10,304	$	10,283	$	9,755	$	51,620