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