Goodwill And Other Intangible Assets (Schedule Of Carrying Values Of Indefinite Lived Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 252,441	$ 260,061
In-Process R&D [Member]
Indefinite-lived Intangible Assets [Line Items]
Total indefinite lived intangible assets	2,258	2,392
Procurement Contracts And Agreements [Member]
Indefinite-lived Intangible Assets [Line Items]
Total indefinite lived intangible assets	2,013	2,013
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Total indefinite lived intangible assets	397	$ 765
Trademarks [Member] | PerClot [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets transferred	$ 380