Credit Facility (Details) (USD $)	60 Months Ended
Sep. 27, 2011	Sep. 27, 2006
Revolving credit facility, borrowing capacity		$ 100,000,000
Revolving credit facility, interest rate in excess of LIBOR, minimum	0.32%
Revolving credit facility, interest rate in excess of LIBOR, maximum	0.80%
Revolving credit facility, quarterly facility fee, minimum	0.08%
Revolving credit facility, quarterly facility fee, maximum	0.20%
Revolving credit facility, indebtedness outstanding	$ 0

Line Of Credit Facility Borrowing Capacity Amount

No definition available.

Name:	ctxs_LineOfCreditFacilityBorrowingCapacityAmount
Namespace Prefix:	ctxs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Description of the maximum interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

No definition available.

+ Details

Name:	ctxs_RevolvingCreditFacilityInterestRateInExcessOfLiborMaximum
Namespace Prefix:	ctxs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the minimum interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

No definition available.

+ Details

Name:	ctxs_RevolvingCreditFacilityInterestRateInExcessOfLiborMinimum
Namespace Prefix:	ctxs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum amount of the fee for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	ctxs_RevolvingCreditFacilityQuarterlyFacilityFeeMaximum
Namespace Prefix:	ctxs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum amount of the fee for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	ctxs_RevolvingCreditFacilityQuarterlyFacilityFeeMinimum
Namespace Prefix:	ctxs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant