Business Combinations, Intangibles and Goodwill - Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	$ 4,275,877	$ 4,275,726
Accumulated Amortization	(2,338,352)	(2,240,386)
Net Book Value	1,937,525	2,035,340
Purchased Technology
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	2,234,505	2,233,293
Accumulated Amortization	(1,262,348)	(1,207,373)
Net Book Value	972,157	1,025,920
Patents
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	225,146	225,146
Accumulated Amortization	(90,673)	(86,954)
Net Book Value	134,473	138,192
Software Licenses
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	96,695	96,218
Accumulated Amortization	(88,542)	(87,999)
Net Book Value	8,153	8,219
Trademarks And Tradenames
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	172,821	172,821
Accumulated Amortization	(105,622)	(101,399)
Net Book Value	67,199	71,422
Customer Relationships And Customer Lists
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	1,367,327	1,377,465
Accumulated Amortization	(756,562)	(723,403)
Net Book Value	610,765	654,062
In Process Research And Development
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	8,600
Accumulated Amortization	0
Net Book Value	8,600
Leasehold Interest
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	144,811	144,811
Accumulated Amortization	(7,910)	(6,843)
Net Book Value	136,901	137,968
Other Intangible Assets
Schedule of Intangible Assets, Excluding Goodwill [Line Items]
Gross Carrying Amount	25,972	25,972
Accumulated Amortization	(26,695)	(26,415)
Net Book Value	$ (723)	$ (443)