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Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Other Intangible Assets) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Acquired Intangible Assets |  |
Accumulated Amortization | $ 307,152 | $ 293,289
Intangible Assets, Gross (Excluding Goodwill) | 739,880 | 742,048
Intangible Assets, Net (Excluding Goodwill) | 432,728 | 448,759
Tradenames |  |
Acquired Intangible Assets |  |
Indefinite-Lived Intangible Assets | 7,432 | 7,600
Customer Relationships |  |
Acquired Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 508,140 | 509,505
Accumulated Amortization | 199,501 | 189,967
Net Balance | $ 308,639 | $ 319,538
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 | $ 114,459 | $ 114,864
Accumulated Amortization | 69,815 | 67,602
Net Balance | $ 44,644 | $ 47,262
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 | $ 99,136 | $ 99,366
Accumulated Amortization | 28,587 | 26,978
Net Balance | $ 70,549 | $ 72,388
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 | $ 10,104 | $ 10,104
Accumulated Amortization | 8,948 | 8,453
Net Balance | $ 1,156 | $ 1,651
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 | 301 | 289
Net Balance | $ 308 | $ 320
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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