Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenues:
Product and licenses	$ 830,645		$ 744,513		$ 619,452
Software as a service	511,323		430,213		360,617
License updates and maintenance	1,125,094		940,181	[1]	835,386	[1]
Professional services	119,061		91,485		59,207
Total net revenues	2,586,123		2,206,392		1,874,662
Cost of net revenues:
Cost of product and license revenues	96,962		74,393		66,682
Cost of services and maintenance revenues	227,150		164,465		115,080
Amortization of product related intangible assets	80,025		54,741		50,504
Total cost of net revenues	404,137		293,599		232,266
Gross margin	2,181,986		1,912,793		1,642,396
Operating expenses:
Research and development	450,571		380,674		361,376
Sales, marketing and services	1,060,829		885,066		771,660
General and administrative	245,259		213,673		173,394
Amortization of other intangible assets	34,549		16,390		14,279
Restructuring	0	[2]	24	[2]	971	[2]
Total operating expenses	1,791,208		1,495,827		1,321,680
Income from operations	390,778		416,966		320,716
Interest income	10,152		13,819		14,577
Other income (expense), net	9,299		(288)		(1,473)
Income before income taxes	410,229		430,497		333,820
Income taxes	57,682		74,867		57,379
Consolidated net income	352,547		355,630		276,441
Less: Net loss attributable to non-controlling interest	0		692		624
Net income attributable to Citrix Systems, Inc.	$ 352,547		$ 356,322		$ 277,065
Net income per share attributable to Citrix Systems, Inc. stockholders:
Net income per share attributable to Citrix Systems, Inc. stockholders — basic (in dollars per share)	$ 1.89		$ 1.90		$ 1.49
Net income per share attributable to Citrix Systems, Inc. stockholders — diluted (in dollars per share)	$ 1.86		$ 1.87		$ 1.46
Weighted average shares outstanding:
Basic (in shares)	186,722		187,315		185,959
Diluted (in shares)	189,129		190,641		190,335

[1] License updates and maintenance is comprised of license updates, hardware and software maintenance and technical support.

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