Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Revenues:
Product and licenses	$ 187,917		$ 171,326		$ 366,281		$ 321,586
Software as a service	125,510		106,479		246,243		206,251
License updates and maintenance	272,537		231,682	[1]	537,062		453,061	[1]
Professional services	29,246		21,303	[2]	55,119		40,780	[2]
Total net revenues	615,210		530,790		1,204,705		1,021,678
Cost of net revenues:
Cost of product license revenues	20,854		18,448		39,658		32,489
Cost of services and maintenance revenues	56,404		40,843		107,408		74,080
Amortization of product related intangible assets	17,100		12,542		33,635		25,241
Total cost of net revenues	94,358		71,833		180,701		131,810
Gross margin	520,852		458,957		1,024,004		889,868
Operating expenses:
Research and development	110,028		91,374		213,650		181,922
Sales, marketing and services	262,139		211,396		510,596		416,940
General and administrative	61,299		56,660		121,155		107,063
Amortization of other intangibles	5,194		3,937		15,661		7,446
Restructuring	0	[3]	0	[3]	0	[3]	24	[3]
Total operating expenses	438,660		363,367		861,062		713,395
Income from operations	82,192		95,590		162,942		176,473
Interest income	2,828		3,727		5,906		7,666
Other income, net	525		1,361		1,247		4,994
Income before income taxes	85,545		100,678		170,095		189,133
Income taxes	(6,461)		19,270		9,822		34,378
Consolidated net income	92,006		81,408		160,273		154,755
Less: Net loss attributable to non-controlling interest	0		536		0		692
Net income attributable to Citrix Systems, Inc.	$ 92,006		$ 81,944		$ 160,273		$ 155,447
Net income per share attributable to Citrix Systems, Inc. stockholders:
Net income per share attributable to Citrix Systems, Inc. stockholders - basic	$ 0.49		$ 0.44		$ 0.86		$ 0.83
Net income per share attributable to Citrix Systems, Inc. stockholders - diluted	$ 0.49		$ 0.43		$ 0.85		$ 0.81
Weighted average shares outstanding:
Basic	186,372		187,691		186,052		187,810
Diluted	189,279		191,412		189,082		191,636

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

[2] Professional services is comprised of consulting services and product training and certification.

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