Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Revenues:
Product and licenses	$ 231,792		$ 227,215		$ 439,216		$ 420,298
Software as a service	160,779		143,858		317,911		281,424
License updates and maintenance	347,041		322,895		690,799		638,633
Professional services	41,948		36,416		84,453		62,928
Total net revenues	781,560		730,384		1,532,379		1,403,283
Cost of net revenues:
Cost of product and license revenues	32,762		31,700		64,099		57,494
Cost of services and maintenance revenues	88,099		71,198		166,782		135,609
Amortization of product related intangible assets	54,395		24,342		78,701		49,051
Total cost of net revenues	175,256		127,240		309,582		242,154
Gross margin	606,304		603,144		1,222,797		1,161,129
Operating expenses:
Research and development	140,375		132,299		273,993		262,791
Sales, marketing and services	321,539		317,096		638,035		614,778
General and administrative	75,015		67,343		147,403		130,128
Amortization of other intangible assets	10,445		10,518		22,899		20,936
Restructuring	4,511	[1]	0	[1]	14,161	[1]	0	[1]
Total operating expenses	551,885		527,256		1,096,491		1,028,633
Income from operations	54,419		75,888		126,306		132,496
Interest income	2,141		2,021		4,294		3,983
Interest expense	6,984		47		7,050		61
Other income (expense), net	1,452		(599)		(3,767)		(1,351)
Income before income taxes	51,028		77,263		119,783		135,067
Income tax (benefit) expense	(1,996)		12,802		10,820		10,918
Net income	$ 53,024		$ 64,461		$ 108,963		$ 124,149
Earnings per share:
Basic (in dollars per share)	$ 0.31		$ 0.34		$ 0.62		$ 0.66
Diluted (in dollars per share)	$ 0.31		$ 0.34		$ 0.61		$ 0.66
Weighted average shares outstanding:
Basic (in shares)	169,973		187,229		176,946		186,945
Diluted (in shares)	170,891		188,486		178,246		188,750

[1] Represents expenses presented to management on a consolidated basis only and not allocated to the operating segments.