-Network: (11 - Statement - Statement Of Financial Position Classified)

-Statement of Financial Position [Abstract] {ID1}

-Statement [Table] {ID2}

-Statement [Line Items] {ID3}

-Assets {ID4}

-Current assets: {ID5}

Cash and cash equivalents {ID6}

Short-term investments-available-for-sale {ID7}

Accounts receivable, net of allowances of $7,168 and $8,702 at June 30, 2009 and December 31, 2008, respectively {ID8}

Inventories, net {ID9}

Prepaid expenses and other current assets {ID10}

Current portion of deferred tax assets, net {ID11}

Total current assets {ID12}

Long-term investments-trading {ID13}

Long-term investments-available-for-sale {ID14}

Property and equipment, net {ID15}

Goodwill {ID16}

Other intangible assets, net {ID17}

Long-term portion of deferred tax assets, net {ID18}

Other assets {ID19}

Assets, Total {ID20}

-Liabilities and Stockholders' Equity {ID21}

-Current liabilities: {ID22}

Accounts payable {ID23}

Accrued expenses and other current liabilities {ID24}

Current portion of deferred revenues {ID25}

Total current liabilities {ID26}

Long-term portion of deferred revenues {ID27}

Other liabilities {ID28}

Commitments and contingencies {ID29}

-Stockholders' equity: {ID30}

Preferred stock at $.01 par value: 5,000 shares authorized, none issued and outstanding {ID31}

Common stock at $.001 par value: 1,000,000 shares authorized; 260,379 and 255,755 shares issued and outstanding at June 30, 2009 and December 31, 2008, respectively {ID32}

Additional paid-in capital {ID33}

Retained earnings {ID34}

Accumulated other comprehensive loss {ID35}

Stockholders Equity Subtotal Before Treasury Stock, Total {ID36}

Less- common stock in treasury, at cost (78,121 and 75,699 shares at June 30, 2009 and December 31, 2008, respectively) {ID37}

Total stockholders' equity {ID38}

Liabilities and Stockholders' Equity, Total {ID39}

-Network: (12 - Statement - Statement Of Financial Position Classified (Parenthetical))

-Statement of Financial Position [Abstract] {ID40}

-Statement [Table] {ID41}

-Statement [Line Items] {ID42}

Accounts receivable, allowances {ID43}

Preferred stock, par value {ID44}

Preferred stock, shares authorized {ID45}

Preferred stock, issued {ID46}

Preferred stock, outstanding {ID47}

Common stock, par value {ID48}

Common stock, shares authorized {ID49}

Common stock, shares issued {ID50}

Common stock, shares outstanding {ID51}

common stock in treasury, shares {ID52}

-Network: (13 - Statement - Statement Of Income)

-Income Statement [Abstract] {ID53}

-Statement [Table] {ID54}

-Statement [Line Items] {ID55}

-Revenues: {ID56}

Product licenses {ID57}

License updates {ID58}

Online services {ID59}

Technical services {ID60}

Total net revenues {ID61}

-Cost of net revenues: {ID62}

Cost of product license revenues {ID63}

Cost of services revenues {ID64}

Amortization of product related intangible assets {ID65}

Total cost of net revenues {ID66}

Gross margin {ID67}

-Operating expenses: {ID68}

Research and development {ID69}

Sales, marketing and services {ID70}

General and administrative {ID71}

Restructuring {ID72}

Amortization of other intangibles {ID73}

Total operating expenses {ID74}

Income from operations {ID75}

Interest income {ID76}

Interest expense {ID77}

Other income (expense), net {ID78}

Income before income taxes {ID79}

Income taxes {ID80}

Net income {ID81}

-Earnings per share: {ID82}

Basic {ID83}

Diluted {ID84}

-Weighted average shares outstanding: {ID85}

Basic {ID86}

Diluted {ID87}

-Network: (14 - Statement - Statement Of Cash Flows Indirect)

-Statement of Cash Flows [Abstract] {ID88}

-Statement [Table] {ID89}

-Statement [Line Items] {ID90}

-Operating Activities {ID91}

Net income {ID92}

-Adjustments to reconcile net income to net cash provided by operating activities: {ID93}

Amortization of intangible assets {ID94}

Depreciation and amortization of property and equipment {ID95}

Stock-based compensation expense {ID96}

(Gain) loss on investments {ID97}

Provision for doubtful accounts {ID98}

Provision for product returns {ID99}

Provision for inventory reserves {ID100}

Tax effect of stock-based compensation {ID101}

Excess tax benefit from exercise of stock options {ID102}

Goodwill adjustment {ID103}

Effects of exchange rate changes on monetary assets and liabilities denominated in foreign currencies {ID104}

Other non-cash items {ID105}

Total adjustments to reconcile net income to net cash provided by operating activities {ID106}

-Changes in operating assets and liabilities, net of the effects of acquisitions: {ID107}

Accounts receivable {ID108}

Inventories {ID109}

Prepaid expenses and other current assets {ID110}

Other assets {ID111}

Deferred tax assets, net {ID112}

Accounts payable {ID113}

Accrued expenses and other current liabilities {ID114}

Deferred revenues {ID115}

Other liabilities {ID116}

Total changes in operating assets and liabilities, net of the effects of acquisitions {ID117}

Net cash provided by operating activities {ID118}

-Investing Activities {ID119}

Purchases of available-for-sale investments {ID120}

Proceeds from sales of available-for-sale investments {ID121}

Proceeds from maturities of available-for-sale investments {ID122}

Purchases of property and equipment {ID123}

Purchases of other assets {ID124}

Cash paid for acquisitions, net of cash acquired {ID125}

Cash paid for licensing agreements and product related intangible assets {ID126}

Net cash used in investing activities {ID127}

-Financing Activities {ID128}

Proceeds from issuance of common stock under stock-based compensation plans {ID129}

Excess tax benefit from exercise of stock options {ID130}

Stock repurchases, net {ID131}

Payments on debt {ID132}

Net cash provided (used in) by financing activities {ID133}

Effect of exchange rate changes on cash and cash equivalents {ID134}

Change in cash and cash equivalents {ID135}

Cash and cash equivalents at beginning of period {ID136}

Cash and cash equivalents at end of period {ID137}

-Network: (15 - Disclosure - Notes to Financial Statements)

-Notes to Financial Statements [Abstract] {ID138}

1. BASIS OF PRESENTATION {ID139}

2. SIGNIFICANT ACCOUNTING POLICIES {ID140}

3. EARNINGS PER SHARE {ID141}

4. ACQUISITIONS {ID142}

5. INVESTMENTS {ID143}

6. FAIR VALUE MEASUREMENTS {ID144}

7. STOCK-BASED COMPENSATION {ID145}

8. LONG-TERM DEBT {ID146}

9. SEGMENT INFORMATION {ID147}

10. RESTRUCTURING {ID148}

11. DERIVATIVE FINANCIAL INSTRUMENTS {ID149}

12. COMPREHENSIVE INCOME {ID150}

13. INCOME TAXES {ID151}

14. STOCK REPURCHASE PROGRAMS {ID152}

15. COMMITMENTS AND CONTINGENCIES {ID153}

16. RECENT ACCOUNTING PRONOUNCEMENTS {ID154}

-Network: (16 - Disclosure - Document Information)

-Document Information [Text Block] {ID155}

Document Type {ID156}

Amendment Flag {ID157}

Amendment Description {ID158}

Document Period End Date {ID159}

-Network: (17 - Disclosure - Entity Information)

-Entity [Text Block] {ID160}

Trading Symbol {ID161}

Entity Registrant Name {ID162}

Entity Central Index Key {ID163}

Current Fiscal Year End Date {ID164}

Entity Well-known Seasoned Issuer {ID165}

Entity Current Reporting Status {ID166}

Entity Voluntary Filers {ID167}

Entity Filer Category {ID168}

Entity Common Stock, Shares Outstanding {ID169}

Entity Public Float {ID170}

CITRIX SYSTEMS INC XBRL Taxonomy Presentation Networks