Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011		Sep. 30, 2012	Sep. 30, 2011
License updates and maintenance	$ 285,051	$ 238,710	[1]	$ 822,113	$ 691,771	[1]
Professional services	31,022	23,200	[2]	86,141	63,980	[2]
License Updates, Maintenance, and Technology Services Revenues		261,910			755,751
Cost of services and maintenance revenues	58,920	42,665		166,328	116,745
Research and development	114,713	96,676		328,363	278,598
Sales, marketing and services	263,136	223,967		773,732	640,907
General and administrative	65,252	55,907		186,407	162,970
Cost of Sales and Operating Expenses Reclassified		419,215			1,199,220
As Previously Reported [Member]
License Updates Revenue		187,169			548,920
Professional services		74,741	[3]		206,831	[3]
License Updates, Maintenance, and Technology Services Revenues		261,910			755,751
Cost of services and maintenance revenues		39,711			108,283
Research and development		88,933			254,963
Sales, marketing and services		212,985			606,587
General and administrative		77,586			229,387
Cost of Sales and Operating Expenses Reclassified		419,215			1,199,220
Amount Reclassified [Member]
License Updates Revenue		51,541			142,851
Professional services		(51,541)	[3]		(142,851)	[3]
License Updates, Maintenance, and Technology Services Revenues		0			0
Cost of services and maintenance revenues		2,954			8,462
Research and development		7,743			23,635
Sales, marketing and services		10,982			34,320
General and administrative		(21,679)			(66,417)
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.