Condensed Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Product and licenses	$ 204,974	$ 231,792	$ 388,255	$ 439,216
Software as a service	177,584	160,779	346,948	317,911
License updates and maintenance	377,161	347,041	748,458	690,799
Professional services	37,040	41,948	73,900	84,453
Total net revenues	796,759	781,560	1,557,561	1,532,379
Cost of net revenues:
Cost of product and license revenues	24,290	32,762	48,974	64,099
Cost of services and maintenance revenues	89,733	88,099	178,923	166,782
Amortization of product related intangible assets	18,728	54,395	37,460	78,701
Total cost of net revenues	132,751	175,256	265,357	309,582
Gross margin	664,008	606,304	1,292,204	1,222,797
Operating expenses:
Research and development	140,203	140,375	284,844	273,993
Sales, marketing and services	296,258	321,539	602,663	638,035
General and administrative	79,872	75,015	161,898	147,403
Amortization of other intangible assets	10,992	10,445	20,433	22,899
Restructuring	14,534	4,511	48,485	14,161
Total operating expenses	541,859	551,885	1,118,323	1,096,491
Income from operations	122,149	54,419	173,881	126,306
Interest income	2,841	2,141	5,675	4,294
Interest expense	11,001	6,984	22,121	7,050
Other (expense) income, net	(3,262)	1,452	(11,111)	(3,767)
Income before income taxes	110,727	51,028	146,324	119,783
Income tax expense (benefit)	7,452	(1,996)	14,162	10,820
Net income	$ 103,275	$ 53,024	$ 132,162	$ 108,963
Earnings per share:
Basic (in dollars per share)	$ 0.64	$ 0.31	$ 0.82	$ 0.62
Diluted (in dollars per share)	$ 0.64	$ 0.31	$ 0.82	$ 0.61
Weighted average shares outstanding:
Basic (in shares)	161,085	169,973	160,347	176,946
Diluted (in shares)	162,027	170,891	161,674	178,246