Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenues:
Product and licenses	$ 899,736		$ 891,630		$ 830,645
Software as a service	651,562		582,872		511,323
License updates and maintenance	1,416,017		1,305,053		1,125,094
Professional services	175,541		138,879		119,061
Total net revenues	3,142,856		2,918,434		2,586,123
Cost of net revenues:
Cost of product and license revenues	124,110		114,932		96,962
Cost of services and maintenance revenues	349,683		289,990		227,150
Amortization of product related intangible assets	146,426		97,873		80,025
Total cost of net revenues	620,219		502,795		404,137
Gross margin	2,522,637		2,415,639		2,181,986
Operating expenses:
Research and development	553,817		516,338		450,571
Sales, marketing and services	1,280,265		1,216,680		1,060,829
General and administrative	319,922		260,236		245,259
Amortization of other intangible assets	45,898		41,668		34,549
Restructuring	20,424	[1]	0	[1]	0	[1]
Total operating expenses	2,220,326		2,034,922		1,791,208
Income from operations	302,311		380,717		390,778
Interest income	9,421		8,194		10,152
Interest expense	28,332		128		312
Other (expense) income, net	(7,694)		(893)		9,611
Income before income taxes	275,706		387,890		410,229
Income taxes	23,983		48,367		57,682
Net income	$ 251,723		$ 339,523		$ 352,547
Earnings per share:
Basic	$ 1.48		$ 1.82		$ 1.89
Diluted	$ 1.47		$ 1.80		$ 1.86
Weighted average shares outstanding:
Basic (in shares)	169,879		186,672		186,722
Diluted (in shares)	171,270		188,245		189,129

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