Condensed Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Product and licenses	$ 202,205	$ 183,281
Software as a service	197,848	169,364
License updates and maintenance	393,018	371,297
Professional services	32,607	36,860
Total net revenues	825,678	760,802
Cost of net revenues:
Cost of product and license revenues	31,395	24,684
Cost of services and maintenance revenues	92,582	89,190
Amortization of product related intangible assets	15,115	18,357
Impairment of product related intangible assets	0	375
Total cost of net revenues	139,092	132,606
Gross margin	686,586	628,196
Operating expenses:
Research and development	123,959	144,641
Sales, marketing and services	292,748	306,405
General and administrative	90,779	82,026
Amortization of other intangible assets	7,394	9,441
Restructuring	46,065	33,951
Separation	14,687	0
Total operating expenses	575,632	576,464
Income from operations	110,954	51,732
Interest income	3,751	2,834
Interest expense	11,155	11,120
Other expense, net	(1,003)	(7,849)
Income before income taxes	102,547	35,597
Income tax expense	19,084	6,710
Net income	$ 83,463	$ 28,887
Earnings per share:
Basic (in dollars per share)	$ 0.54	$ 0.18
Diluted (in dollars per share)	$ 0.54	$ 0.18
Weighted average shares outstanding:
Basic (in shares)	154,067	160,323
Diluted (in shares)	155,945	162,036