Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated net income	$ 78,245	$ 92,176	$ 238,518	$ 246,931
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Change in foreign currency translation adjustment	5,414	(6,222)	(4,436)	1,151
Available for sale securities:
Change in net unrealized gains	(1,037)	(584)	1,420	1,027
Less: reclassification adjustment for net losses included in net income	2,579	366	(283)	1,021
Net change (net of tax effect)	1,542	(218)	1,137	2,048
Cash flow hedges:
Change in unrealized gains	2,235	(7,818)	(109)	(1,067)
Less: reclassification adjustment for net losses included in net income	2,530	(3,672)	4,836	(9,166)
Net change (net of tax effect)	4,765	(11,490)	4,727	(10,233)
Other comprehensive (loss) income	11,721	(17,930)	1,428	(7,034)
Comprehensive income	89,966	74,246	239,946	239,897
Less: Comprehensive loss attributable to non-controlling interest	0	0	0	692
Comprehensive income attributable to Citrix Systems, Inc.	$ 89,966	$ 74,246	$ 239,946	$ 240,589