Goodwill And Other Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012		Dec. 31, 2012
Statement [Line Items]
Gross carrying amount	$ 1,149,399,000				$ 1,149,399,000				$ 1,066,633,000
Accumulated amortization	615,403,000				615,403,000				510,428,000
Amortization expense	34,716,000	[1]	32,768,000	[1]	104,703,000	[1]	82,064,000	[1]
Product Related Intangible Assets [Member]
Statement [Line Items]
Gross carrying amount	675,659,000				675,659,000				620,032,000
Accumulated amortization	406,224,000				406,224,000				339,608,000
Amortization expense	24,300,000		22,900,000		73,400,000		56,600,000
Other Intangible Assets [Member]
Statement [Line Items]
Gross carrying amount	473,740,000				473,740,000				446,601,000
Accumulated amortization	209,179,000				209,179,000				170,820,000
Amortization expense	10,400,000		9,800,000		31,300,000		25,500,000
Cloud.Com [Member] | Trade Names [Member]
Statement [Line Items]
Impairment of intangible assets							5,200,000
Finite-lived intangible assets, net			$ 0				$ 0
Minimum [Member]
Statement [Line Items]
Intangible asset life					3 years
Maximum [Member]
Statement [Line Items]
Intangible asset life					7 years
Maximum [Member] | Patents [Member]
Statement [Line Items]
Intangible asset life					10 years

[1] Represents expenses presented to management on a consolidated basis only and not allocated to the operating segments.