Consolidated Statements Of Income (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Cost of license revenues	$ 56,553	$ 48,928	$ 113,296	$ 104,946
Cost of services revenues	122,669	103,547	236,841	197,426
Research and development	248,594	189,241	470,984	358,404
Sales and marketing	391,501	314,560	754,913	617,484
General and administrative	91,799	78,042	173,099	146,277
Cost Of License Revenues [Member]
Stock-based Compensation	524	438	964	904
Cost Of Services Revenues [Member]
Stock-based Compensation	7,103	5,740	12,922	11,328
Research and Development Expense [Member]
Stock-based Compensation	48,027	46,074	87,404	87,958
Sales and Marketing Expense [Member]
Stock-based Compensation	33,883	23,264	59,117	45,787
General and Administrative Expense [Member]
Stock-based Compensation	$ 11,363	$ 9,926	$ 22,299	$ 20,038