Goodwill And Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Historical Cost	$ 353,913	$ 282,868
Accumulated Amortization	(123,220)	(92,146)
Net	230,693	190,722
Trade Names [Member]
Historical Cost	69,067	66,911
Accumulated Amortization	(12,253)	(11,182)
Net	56,814	55,729
Weighted-Average Amortization Period, years	16 years 7 months 6 days	17 years
Patents And Patent Licenses [Member]
Historical Cost	62,836	58,446
Accumulated Amortization	(35,944)	(29,916)
Net	26,892	28,530
Weighted-Average Amortization Period, years	7 years 9 months 18 days	8 years 1 month 6 days
Customer Relationships [Member]
Historical Cost	201,827	139,362
Accumulated Amortization	(57,429)	(38,382)
Net	144,398	100,980
Weighted-Average Amortization Period, years	8 years 6 months	8 years 1 month 6 days
Other Purchased Intangibles [Member]
Historical Cost	20,183	18,149
Accumulated Amortization	(17,594)	(12,666)
Net	$ 2,589	$ 5,483
Weighted-Average Amortization Period, years	5 years 1 month 6 days	5 years