Basis Of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Adjustment to excess tax benefit from stock-based compensation	$ 17.3

Adjustment to Excess Tax Benefit from Stock-based Compensation

No definition available.

Name:	ctxs_AdjustmenttoExcessTaxBenefitfromStockbasedCompensation
Namespace Prefix:	ctxs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration