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Goodwill And Other Intangible Assets (Schedule Of Carrying Values Of Indefinite Lived Intangible Assets) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Indefinite-lived Intangible Assets [Line Items] |  |
Goodwill | $ 253,950 | $ 260,061
In-Process R&D [Member] |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Total indefinite lived intangible assets | 2,286 | 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 | $ 765 | $ 765

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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