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Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Other Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Acquired Intangible Assets |  |
Accumulated Amortization | $ 269,446 | $ 255,723
Intangible Assets, Gross (Excluding Goodwill) | 760,861 | 759,043
Intangible Assets, Net (Excluding Goodwill) | 491,415 | 503,320
Tradenames |  |
Acquired Intangible Assets |  |
Indefinite-Lived Intangible Assets | 7,600 | 7,600
Customer Relationships |  |
Acquired Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 521,288 | 520,273
Accumulated Amortization | 173,070 | 163,562
Net Balance | $ 348,218 | $ 356,711
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 | 20 years | 20 years
Patents |  |
Acquired Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | $ 121,674 | $ 121,167
Accumulated Amortization | 65,254 | 62,841
Net Balance | $ 56,420 | $ 58,326
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 | $ 98,206 | $ 97,810
Accumulated Amortization | 22,705 | 21,380
Net Balance | $ 75,501 | $ 76,430
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 | $ 11,484 | $ 11,584
Accumulated Amortization | 8,164 | 7,698
Net Balance | $ 3,320 | $ 3,886
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 | $ 609 | $ 609
Accumulated Amortization | 253 | 242
Net Balance | $ 356 | $ 367
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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