Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
License updates and maintenance	$ 264,525	$ 221,379	[1]
Professional services	25,873	19,477	[2]
License Updates, Maintenance, and Technology Services Revenues		240,856
Cost of services and maintenance revenues	51,004	33,237
Research and development	103,622	90,548
Sales, marketing and services	248,457	205,544
General and administrative	59,856	50,403
Cost of Sales and Operating Expenses Reclassified		379,732
As Previously Reported [Member]
License Updates Revenue		177,876
Professional services		62,980	[3]
License Updates, Maintenance, and Technology Services Revenues		240,856
Cost of services and maintenance revenues		30,666
Research and development		82,718
Sales, marketing and services		194,243
General and administrative		72,105
Cost of Sales and Operating Expenses Reclassified		379,732
Amount Reclassified [Member]
License Updates Revenue		43,503
Professional services		(43,503)	[3]
License Updates, Maintenance, and Technology Services Revenues		0
Cost of services and maintenance revenues		2,571
Research and development		7,830
Sales, marketing and services		11,301
General and administrative		(21,702)
Cost of Sales and Operating Expenses Reclassified		$ 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.