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, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Net Carrying Value	$ 162,458	$ 166,994
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	211,589	213,626
Accumulated Amortization	49,131	46,632
Net Carrying Value	$ 162,458	$ 166,994
Weighted Average Useful Life (Years)	17 years 8 months 12 days	17 years 8 months 12 days
Other Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 49,077	$ 49,047
Accumulated Amortization	19,753	18,832
Net Carrying Value	$ 29,324	$ 30,215
Weighted Average Useful Life (Years)	10 years 7 months 6 days	10 years 7 months 6 days
Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 31,108	$ 31,148
Accumulated Amortization	9,987	9,618
Net Carrying Value	$ 21,121	$ 21,530
Weighted Average Useful Life (Years)	20 years 6 months	20 years 6 months
Distribution And Manufacturing Rights And Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 9,652	$ 9,847
Accumulated Amortization	4,675	4,308
Net Carrying Value	$ 4,977	$ 5,539
Weighted Average Useful Life (Years)	5 years	5 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 4,127	$ 4,083
Accumulated Amortization	3,153	3,144
Net Carrying Value	$ 974	$ 939
Weighted Average Useful Life (Years)	17 years	17 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 4,190	$ 3,969
Accumulated Amortization	1,938	1,762
Net Carrying Value	$ 2,252	$ 2,207
Weighted Average Useful Life (Years)	4 years 4 months 24 days	4 years 4 months 24 days