Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011		Jun. 30, 2012	Jun. 30, 2011
License updates and maintenance	$ 272,537	$ 231,682	[1]	$ 537,062	$ 453,061	[1]
Professional services	29,246	21,303	[2]	55,119	40,780	[2]
License Updates, Maintenance, and Technology Services Revenues		252,985			493,841
Cost of services and maintenance revenues	56,404	40,843		107,408	74,080
Research and development	110,028	91,374		213,650	181,922
Sales, marketing and services	262,139	211,396		510,596	416,940
General and administrative	61,299	56,660		121,155	107,063
Cost of Sales and Operating Expenses Reclassified		400,273			780,005
As Previously Reported [Member]
License Updates Revenue		183,875			361,751
Professional services		69,110	[3]		132,090	[3]
License Updates, Maintenance, and Technology Services Revenues		252,985			493,841
Cost of services and maintenance revenues		37,906			68,572
Research and development		83,312			166,030
Sales, marketing and services		199,359			393,602
General and administrative		79,696			151,801
Cost of Sales and Operating Expenses Reclassified		400,273			780,005
Amount Reclassified [Member]
License Updates Revenue		47,807			91,310
Professional services		(47,807)	[3]		(91,310)	[3]
License Updates, Maintenance, and Technology Services Revenues		0			0
Cost of services and maintenance revenues		2,937			5,508
Research and development		8,062			15,892
Sales, marketing and services		12,037			23,338
General and administrative		(23,036)			(44,738)
Cost of Sales and Operating Expenses Reclassified		$ 0			$ 0

[1] License updates and maintenance is comprised of license updates, hardware and software maintenance and technical support.

[2] Professional services is comprised of consulting services and product training and certification.

[3] Technical services revenue was comprised of hardware maintenance, consulting services, product training and certification and technical support.