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Goodwill And Other Intangible Assets (Schedule Of Gross Carrying Values, Accumulated Amortization, And Approximate Amortization Period Of Definite Lived Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 217,238 | $ 222,182
Accumulated amortization | 38,274 | 36,091
Customer Lists And Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 31,218 | 31,316
Accumulated amortization | 8,494 | 8,132
Distribution And Manufacturing Rights And Know-How [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 14,254 | 14,728
Accumulated amortization | 5,780 | 5,349
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 3,963 | 3,966
Accumulated amortization | 3,120 | 3,113
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 3,403 | 3,453
Accumulated amortization | $ 1,234 | $ 1,073
Minimum [Member] | Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 11 years | 11 years
Minimum [Member] | Customer Lists And Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 13 years | 13 years
Minimum [Member] | Distribution And Manufacturing Rights And Know-How [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 5 years | 5 years
Minimum [Member] | Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 4 years | 4 years
Maximum [Member] | Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 22 years | 22 years
Maximum [Member] | Customer Lists And Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 22 years | 22 years
Maximum [Member] | Distribution And Manufacturing Rights And Know-How [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 15 years | 15 years
Maximum [Member] | Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 17 years | 17 years
Maximum [Member] | Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 5 years | 5 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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