Goodwill And Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Historical Cost	$ 519,736	$ 416,494
Accumulated Amortization	(186,460)	(137,505)
Net	333,276	278,989
Trade Names [Member]
Historical Cost	119,697	94,770
Accumulated Amortization	(23,738)	(16,598)
Net	$ 95,959	$ 78,172
Weighted-Average Amortization Period, years	11 years 9 months 18 days	14 years 6 months
Patents And Patent Licenses [Member]
Historical Cost	$ 64,109	$ 62,940
Accumulated Amortization	(43,757)	(38,013)
Net	$ 20,352	$ 24,927
Weighted-Average Amortization Period, years	8 years 3 months 18 days	9 years
Customer Relationships [Member]
Historical Cost	$ 304,776	$ 230,424
Accumulated Amortization	(99,016)	(66,658)
Net	$ 205,760	$ 163,766
Weighted-Average Amortization Period, years	8 years 9 months 18 days	9 years 3 months 18 days
Other Purchased Intangibles [Member]
Historical Cost	$ 31,154	$ 28,360
Accumulated Amortization	(19,949)	(16,236)
Net	$ 11,205	$ 12,124
Weighted-Average Amortization Period, years	4 years 3 months 18 days	4 years 3 months 18 days