Goodwill And Other Intangible Assets (Schedule Of Goodwill By Reportable Segment) (Details) $ in Thousands	6 Months Ended
Jun. 30, 2016 USD ($)
Goodwill [Line Items]
Balance as of December 31, 2015	$ 11,365
Balance as of June 30, 2016	76,760
Medical Devices Segment [Member]
Goodwill [Line Items]
Balance as of December 31, 2015	11,365
Goodwill from On-X acquisition	66,695
Balance as of June 30, 2016	76,760
HeRO Graft [Member] \| Medical Devices Segment [Member]
Goodwill [Line Items]
Goodwill allocated to sale	(1,200)
ProCol [Member] \| Medical Devices Segment [Member]
Goodwill [Line Items]
Goodwill allocated to sale	$ (100)

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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