Goodwill And Other Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011		Dec. 31, 2011
Gross carrying amount	$ 1,052,603,000				$ 1,052,603,000				$ 747,398,000
Accumulated amortization	477,579,000				477,579,000				404,026,000
Amortization expense	32,768,000	[1]	19,109,000	[1]	82,064,000	[1]	51,796,000	[1]
Product Related Intangible Assets [Member]
Gross carrying amount	618,565,000				618,565,000				472,582,000
Accumulated amortization	317,332,000				317,332,000				268,332,000
Amortization expense	22,900,000		14,700,000		56,600,000		39,900,000
Other Intangible Assets [Member]
Gross carrying amount	434,038,000				434,038,000				274,816,000
Accumulated amortization	160,247,000				160,247,000				135,694,000
Amortization expense	9,800,000		4,400,000		25,500,000		11,900,000
Cloud.Com [Member] | Trade Names [Member]
Impairment of Intangible Assets (Excluding Goodwill)					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.