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Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Other Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021
Acquired Intangible Assets |  |  |
Accumulated Amortization |  | $ 227,232 | $ 202,675
Intangible Assets, Gross (Excluding Goodwill) |  | 739,984 | 722,632
Intangible Assets, Net (Excluding Goodwill) |  | 512,752 | 519,957
Tradenames |  |  |
Acquired Intangible Assets |  |  |
Indefinite-Lived Intangible Assets |  | 7,600 | 7,600
Purchased research and development |  |  |
Acquired Intangible Assets |  |  |
Indefinite-Lived Intangible Assets |  |  | 4,687
Customer Relationships |  |  |
Acquired Intangible Assets |  |  |
Finite-Lived Intangible Assets, Gross |  | 506,528 | 487,853
Accumulated Amortization |  | 144,573 | 127,048
Net Balance |  | $ 361,955 | 360,805
Customer Relationships | Minimum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 6 years | 6 years |
Customer Relationships | Maximum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 17 years | 17 years |
Patents |  |  |
Acquired Intangible Assets |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 120,262 | 116,725
Accumulated Amortization |  | 57,894 | 53,479
Net Balance |  | $ 62,368 | 63,246
Patents | Minimum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 3 years | 3 years |
Patents | Maximum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 20 years | 20 years |
Tradenames |  |  |
Acquired Intangible Assets |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 93,703 | 93,994
Accumulated Amortization |  | 17,979 | 16,497
Net Balance |  | $ 75,724 | 77,497
Tradenames | Minimum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 3 years | 3 years |
Tradenames | Maximum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 20 years | 20 years |
Non-compete Agreements |  |  |
Acquired Intangible Assets |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 11,582 | 11,464
Accumulated Amortization |  | 6,566 | 5,439
Net Balance |  | $ 5,016 | 6,025
Non-compete Agreements | Minimum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 3 years | 3 years |
Non-compete Agreements | Maximum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 6 years | 6 years |
Other |  |  |
Acquired Intangible Assets |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 309 | 309
Accumulated Amortization |  | 220 | 212
Net Balance |  | $ 89 | $ 97
Other | Minimum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 2 years | 2 years |
Other | Maximum |  |  |
Acquired Intangible Assets |  |  |
Estimated Useful Life in Years | 12 years | 12 years |

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