JUNIPER NETWORKS, INC. XBRL Taxonomy Presentation Networks

-Network: (00 - Document - Document and Company Information)
-Document and Company Information [Abstract] {ID1}
Entity Registrant Name {ID2}
Entity Central Index Key {ID3}
Document Type {ID4}
Document Period End Date {ID5}
Amendment Flag {ID6}
Current Fiscal Year End Date {ID7}
Entity Well-known Seasoned Issuer {ID8}
Entity Voluntary Filers {ID9}
Entity Current Reporting Status {ID10}
Entity Filer Category {ID11}
Entity Public Float {ID12}
Entity Common Stock, Shares Outstanding {ID13}
-Network: (01 - Statement - Condensed Consolidated Statements of Operations)
-Statements Of Operations [Abstract] {ID14}
-Statement [Table] {ID15}
-Statement [Line Items] {ID16}
-Net revenues: {ID17}
Product {ID18}
Service {ID19}
Total net revenues {ID20}
-Cost of revenues: {ID21}
Product {ID22}
Service {ID23}
Total cost of revenues {ID24}
Gross margin {ID25}
-Operating expenses: {ID26}
Research and development {ID27}
Sales and marketing {ID28}
General and administrative {ID29}
Amortization of purchased intangible assets {ID30}
Restructuring charges {ID31}
Other charges {ID32}
Total operating expenses {ID33}
Operating income {ID34}
Interest and other income, net {ID35}
Loss on minority equity investments {ID36}
Income before income taxes {ID37}
Provision for income taxes {ID38}
Net income {ID39}
Net (loss) income {ID40}
-Net income per share: {ID41}
Basic {ID42}
Diluted {ID43}
-Shares used in computing net income per share: {ID44}
Basic {ID45}
Diluted {ID46}
-Network: (02 - Statement - Condensed Consolidated Balance Sheets)
-Balance Sheets [Abstract] {ID47}
-Statement [Table] {ID48}
-Statement [Line Items] {ID49}
-Current assets: {ID51}
Cash and cash equivalents {ID52}
Short-term investments {ID53}
Accounts receivable, net of allowances {ID54}
Deferred tax assets, net {ID55}
Prepaid expenses and other current assets {ID56}
Total current assets {ID57}
Property and equipment, net {ID58}
Long-term investments {ID59}
Restricted cash {ID60}
Purchased intangible assets, net {ID61}
Goodwill {ID62}
Long-term deferred tax assets, net {ID63}
Other long-term assets {ID64}
Total assets {ID65}
-Current liabilities: {ID67}
Accounts payable {ID68}
Accrued compensation {ID69}
Accrued warranty {ID70}
Deferred revenue {ID71}
Income taxes payable {ID72}
Other accrued liabilities {ID73}
Total current liabilities {ID74}
Long-term deferred revenue {ID75}
Long-term income tax payable {ID76}
Other long-term liabilities {ID77}
Commitments and Contingencies {ID78}
-Stockholders' Equity [Abstract] {ID79}
Convertible preferred stock, $0.00001 par value; 10,000 shares authorized; none issued and outstanding {ID80}
Common stock, $0.00001 par value; 1,000,000 shares authorized; 522,682 shares and 526,752 shares issued and outstanding at June 30, 2009, and December 31, 2008, respectively {ID81}
Additional paid-in capital {ID82}
Accumulated other comprehensive loss {ID83}
Accumulated deficit {ID84}
Total stockholders' equity {ID85}
Total liabilities and stockholders' equity {ID86}
-Network: (021 - Statement - Condensed Consolidated Balance Sheets (Parenthetical))
-Balance Sheets Parenthetical [Abstract] {ID87}
-Statement [Table] {ID88}
-Statement [Line Items] {ID89}
Convertible preferred stock, par value {ID90}
Convertible preferred stock, shares authorized {ID91}
Convertible preferred stock, shares issued {ID92}
Convertible preferred stock, shares outstanding {ID93}
Common stock, par value {ID94}
Common stock, shares authorized {ID95}
Common stock, shares issued {ID96}
Common stock, shares outstanding {ID97}
-Network: (03 - Statement - Condensed Consolidated Statements of Cash Flows)
-Statements Of Cash Flows [Abstract] {ID98}
-Statement [Table] {ID99}
-Statement [Line Items] {ID100}
-Cash flows from operating activities: {ID101}
Net income {ID102}
-Adjustments to reconcile net income to net cash from operating activities: {ID103}
Depreciation and amortization {ID104}
Stock-based compensation {ID105}
Loss on minority equity investments {ID106}
Change in excess tax benefit from employee stock option plans {ID107}
Deferred income taxes {ID108}
Other non-cash charges {ID109}
-Changes in operating assets and liabilities: {ID110}
Accounts receivable, net {ID111}
Prepaid expenses and other assets {ID112}
Accounts payable {ID113}
Accrued compensation {ID114}
Income tax payable {ID115}
Other accrued liabilities {ID116}
Deferred revenue {ID117}
Net cash provided by operating activities {ID118}
-Cash flows from investing activities: {ID119}
Purchases of property and equipment, net {ID120}
Purchases of available-for-sale investments {ID121}
Proceeds from sales of available-for-sale investments {ID122}
Proceeds from maturities of available-for-sale investments {ID123}
Changes in restricted cash {ID124}
Minority equity investments {ID125}
Net cash used in investing activities {ID126}
-Cash flows from financing activities: {ID127}
Proceeds from issuance of common stock {ID128}
Purchases and retirement of common stock {ID129}
Net (payments) proceeds from customer financing arrangements {ID130}
Redemption of convertible debt {ID131}
Changes in excess tax benefit from employee stock option plans {ID132}
Net cash used in financing activities {ID133}
Net (decrease) increase in cash and cash equivalents {ID134}
Cash and cash equivalents at beginning of period {ID135}
Cash and cash equivalents at end of period {ID136}
-Supplemental disclosure of non-cash investing and financing activities: {ID137}
Common stock issued in connection with conversion of the Senior Notes {ID138}
-Network: (0601 - Disclosure - Basis of Presentation)
-Basis of Presentation [Abstract] {ID139}
Basis of Presentation {ID140}
-Network: (0602 - Disclosure - Summary of Significant Accounting Policies)
-Summary Of Significant Accounting Policies [Abstract] {ID141}
Summary of Significant Accounting Policies {ID142}
-Network: (0603 - Disclosure - Net Income per Share)
-Net Loss Income per Share [Abstract] {ID143}
Net Income per Share {ID144}
-Network: (0604 - Disclosure - Cash, Cash Equivalents, and Investments)
-Cash Cash Equivalents And Investments [Abstract] {ID145}
Cash, Cash Equivalents, and Investments {ID146}
-Network: (0605 - Disclosure - Fair Value Measurements)
-Fair Value Measurements [Abstract] {ID147}
Fair Value Measurements {ID148}
-Network: (0606 - Disclosure - Goodwill and Purchased Intangible Assets)
-Goodwill and Purchased Intangible Assets [Abstract] {ID149}
Goodwill and Purchased Intangible Assets {ID150}
-Network: (0607 - Disclosure - Other Financial Information)
-Other Financial Information [Abstract] {ID151}
Other Financial Information {ID152}
-Network: (0608 - Disclosure - Financing Arrangements)
-Financing Arrangements [Abstract] {ID153}
Financing Arrangements {ID154}
-Network: (0609 - Disclosure - Derivative Instruments)
-Derivative Instruments [Abstract] {ID155}
Derivative Instruments {ID156}
-Network: (0610 - Disclosure - Stockholders Equity)
-Stockholders Equity [Abstract] {ID157}
Stockholders' Equity {ID158}
-Network: (0611 - Disclosure - Employee Benefit Plans)
-Employee Benefit Plans [Abstract] {ID159}
Employee Benefit Plans {ID160}
-Network: (0612 - Disclosure - Segments)
-Segments [Abstract] {ID161}
Segments {ID162}
-Network: (0613 - Disclosure - Income Taxes)
-Income Taxes [Abstract] {ID163}
Income Taxes {ID164}
-Network: (0614 - Disclosure - Commitments and Contingencies)
-Commitments and Contingencies [Abstract] {ID165}
Commitments and Contingencies {ID166}
-Network: (0615 - Disclosure - Subsequent Event)
-Subsequent Event [Abstract] {ID167}
Subsequent Event {ID168}