Goodwill And Other Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012		Dec. 31, 2012
Gross carrying amount	$ 1,138,371,000				$ 1,138,371,000				$ 1,066,633,000
Accumulated amortization	579,955,000				579,955,000				510,428,000
Amortization expense	34,860,000	[1]	22,294,000	[1]	69,987,000	[1]	49,296,000	[1]
Product Related Intangible Assets [Member]
Gross carrying amount	667,341,000				667,341,000				620,032,000
Accumulated amortization	383,917,000				383,917,000				339,608,000
Amortization expense	24,300,000		17,100,000		49,100,000		33,600,000
Other Intangible Assets [Member]
Gross carrying amount	471,030,000				471,030,000				446,601,000
Accumulated amortization	196,038,000				196,038,000				170,820,000
Amortization expense	10,500,000		5,200,000		20,900,000		15,700,000
Cloud.Com [Member] | Trade Names [Member]
Impairment of intangible assets					5,200,000
Finite-lived intangible assets, net	$ 0				$ 0
Minimum [Member]
Intangible asset life					3 years
Maximum [Member]
Intangible asset life					7 years
Maximum [Member] | Patents [Member]
Intangible asset life					10 years

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