Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Restricted stock units and awards
Restricted Stock [Member]
Performance restricted stock units
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock Outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Granted, Outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Cancelled, Outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Vested and converted to shares, Outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Ending Balance
Expected to vest, Outstanding
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Outstanding Number
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Outstanding Number
Restricted Stock Outstanding Weighted-Average Exercise Price
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Exercise Price [Roll Forward]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Exercise Price [Roll Forward]
Weighted- Average Exercise Price, Restricted Stock Outstanding, Balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price.
Weighted- Average Exercise Price, Restricted Stock Outstanding, Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Exercise Price
Share based compensation arrangement by share based payment award equity instruments other than options grants in period weighted average exercise price
Weighted- Average Exercise Price, Restricted Stock Outstanding, Cancelled
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Weighted Average Exercise Price
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited in Period Weighted Average Exercise Price
Weighted- Average Exercise Price, Restricted Stock Outstanding, Vested and converted to shares
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Exercise Price
Share based compensation arrangement by share based payment award equity instruments other than options vested in period weighted average exercise price
Weighted- Average Exercise Price, Restricted Stock Outstanding, Balance
Restricted Stock Outstanding Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract]
Aggregate Intrinsic Value, Ending Balance
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding
Aggregate Intrinsic Value, Expected to vest
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Aggregate Intrinsic Value.
Plan Name [Axis]
Plan Name [Axis]
Plan Name [Domain]
Plan Name [Domain]
Employee Stock Purchase Plan
Stock Available For Future Grant Under 2004 Employee Stock Purchase Plan [Member]
Stock available for future grant under the 2004 Employee Stock Purchase Plan
Stock Options
Employee Stock Option [Member]
Amount withheld on behalf of employees for future purchases
Amount Held On Behalf Of Employees For Future Purchases
Amount held on behalf of employees for future purchases
Contractual life of stock options (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Total intrinsic value of the options exercised during the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Weighted-average remaining contractual life of vested and expected to vest options (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Options vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
Weighted average exercise price vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Weighted-average contractual life of vested and expected to vest options (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term
Intrinsic value of vested options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Weighted-average exercise price
Restricted stock units, vesting period (in years)
Restricted Stock Units Vesting Period
Restricted stock units, vesting period
Weighted-average grant date fair value of the restricted stock units issued
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Commitments and Contingencies Disclosure [Abstract]
Other Commitments [Table]
Other Commitments [Table]
Other Commitments [Axis]
Other Commitments [Axis]
Other Commitments [Domain]
Other Commitments [Domain]
Facilities Space [Member]
Facilities Space [Member]
Facilities Space [Member]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Letter of Credit
Letter of Credit [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Other Current and Noncurrent Liabilities [Member]
Other Current and Noncurrent Liabilities [Member]
Other Current and Noncurrent Liabilities [Member]
Other Commitments [Line Items]
Other Commitments [Line Items]
Value of outstanding letters of credit
Letters of Credit Outstanding, Amount
Financing obligation - leased facility
Financing Obligation For Construction In Progress
Financing Obligation For Construction In Progress
Total operating lease commitment balance
Commitments Contractually Committed To Under Operating Leases
Commitments Contractually Committed To Under Operating Leases
Purchase commitment term
Long-term Purchase Commitment, Period
Purchase commitment, 2017
Purchase Obligation, Due in Next Twelve Months
Purchase commitment, 2018
Purchase Obligation, Due in Second Year
Purchase commitment, 2019
Purchase Obligation, Due in Third Year
Purchase commitment, 2020
Purchase Obligation, Due in Fourth Year
Related Party Transactions [Abstract]
Related-Party Transactions
Related Party Transactions Disclosure [Text Block]
Investments, Debt and Equity Securities [Abstract]
Investment Holdings [Table]
Investment Holdings [Table]
Investment Type [Axis]
Investment Type [Axis]
Investments [Domain]
Investments [Domain]
Strategic Investments
Strategic Investments [Member]
Strategic Investments [Member]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Major Types of Debt and Equity Securities [Domain]
Equity Securities
Equity Securities [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Significant Unobservable Inputs (Level 3)
Fair Value, Inputs, Level 3 [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Estimate of Fair Value Measurement [Member]
Estimate of Fair Value Measurement [Member]
Valuation Technique [Axis]
Valuation Technique [Axis]
Valuation Technique [Domain]
Valuation Technique [Domain]
Cost Approach Valuation Technique [Member]
Cost Approach Valuation Technique [Member]
Investment Holdings [Line Items]
Investment Holdings [Line Items]
Unrealized losses on fixed rate investments, upper range value
Unrealized Losses On Fixed Rate Investments Upper Range Value
Unrealized losses on fixed rate investments, upper range value.
Number of investments in marketable equity securities
Number of Investments in Marketable Equity Securities
Number of Investments in Marketable Equity Securities
Fair value of marketable equity securities
Marketable Securities, Noncurrent
Unrealized gain on marketable equity securities
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax
non-marketable debt and equity securities
Cost Method Investments
non-marketable debt and equity securities, estimated fair value
Cost Method Investments, Fair Value Disclosure
non-marketable debt and equity securities, unrealized gains
Investment In Privately Held Companies, Unrealized Gains
Investment In Privately Held Companies, Unrealized Gains
Fair Value Disclosures [Abstract]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Recurring measurement
Fair Value, Measurements, Recurring [Member]
Time deposits
Bank Time Deposits [Member]
Money market mutual funds
Money Market Funds [Member]
Commercial paper
Commercial Paper [Member]
Agency and sovereign paper
Agency and Sovereign Paper [Member]
Agency and Sovereign Paper [Member]
Corporate notes and obligations
Corporate Debt Securities [Member]
U.S. treasury securities
US Treasury Securities [Member]
Mortgage backed obligations
Collateralized Mortgage Backed Securities [Member]
Asset backed securities
Asset-backed Securities [Member]
Municipal securities
Municipal Notes [Member]
Foreign government obligations
Foreign Government Debt Securities [Member]
U.S. agency obligations
US Government Agencies Debt Securities [Member]
Covered bonds
Bonds [Member]
Cash
Cash [Member]
Cash and cash equivalents
Cash and Cash Equivalents [Member]
Prepaid expenses and other current assets
Prepaid Expenses and Other Current Assets [Member]
Accounts payable, accrued expenses and other liabilities
Accounts Payable and Accrued Liabilities [Member]
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Inputs, Level 1 [Member]
Significant Other Observable Inputs (Level 2)
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Marketable securities
Investments, Fair Value Disclosure
Foreign currency derivative contracts
Derivative Asset
Total Assets
Assets, Fair Value Disclosure, Recurring
Foreign currency derivative contracts
Derivative Liability
Total Liabilities
Liabilities, Fair Value Disclosure, Recurring
Legal Proceedings and Claims
Legal Matters and Contingencies [Text Block]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
Affiliated Entity [Member]
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Number of Company's Board Members that Hold Board Seats in Foundation
Number of Company's Board Members that Hold Board Seats in Foundation
Number of Company's Board Members that Hold Board Seats in Foundation
Number of Board Seats in Foundation
Number of Board Seats in Foundation
Number of Board Seats in Foundation
Number of Company's Employees that Hold Board Seats in Non-Profit
Number of Company's Employees that Hold Board Seats in Non-Profit
Number of Company's Employees that Hold Board Seats in Non-Profit
Number Company's Board Members that Hold Board Seats in Non-Profit
Number Company's Board Members that Hold Board Seats in Non-Profit
Number Company's Board Members that Hold Board Seats in Non-Profit
Number of Board Seats in Non-Profit Held by Company's Employees and Board Members
Number of Board Seats in Non-Profit Held by Company's Employees and Chairman
Number of Board Seats in Non-Profit Held by Company's Employees and Chairman
Number of Board Seats in Non-Profit
Number of Board Seats in Non-Profit
Number of Board Seats in Non-Profit
Value of resources donated to related parties
Value Of Resources Donated To Related Parties
Value of resources donated to related parties.
Value of donated subscriptions to related parties
Fair Value Of Donated Subscriptions To Related Parties
Fair Value of Donated Subscriptions to Related Parties
Debt Disclosure [Abstract]
Summary of Convertible Senior Notes
Convertible Debt [Table Text Block]
Schedule of Convertible Senior Notes
Schedule of Long-term Debt Instruments [Table Text Block]
Summary of Hedge Notes
Schedule Of Note Hedge Transactions [Table Text Block]
Schedule Of Note Hedge Transactions [Table Text Block]
Components of Warrants
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
Schedule of Interest Expense
Interest Income and Interest Expense Disclosure [Table Text Block]
Short-term (due in one year or less)
Available-for-sale Securities, Current
Long-term (due after one year)
Available-for-sale Securities, Noncurrent
Fair Value of Marketable Securities
Available-for-sale Securities
Accounting Policies [Abstract]
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Computers, equipment and software
Computer Equipment And Software [Member]
Computer Equipment And Software [Member]
Furniture and fixtures
Furniture and Fixtures [Member]
Building, Leased Facility [Member]
Building, Leased Facility [Member]
Building, Leased Facility [Member]
Leasehold improvements
Leasehold Improvements [Member]
Building and structural components
Building and Structural Components [Member]
Building and Structural Components [Member]
Building improvements
Building Improvements [Member]
Internal-use software
Software Development [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives
Property, Plant and Equipment, Useful Life
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Prepaid Expenses and Other Current Assets
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Schedule of Capitalized Software Costs
Research, Development, and Computer Software Disclosure [Text Block]
Schedule of Goodwill
Schedule of Goodwill [Table Text Block]
Schedule of Other Assets
Schedule of Other Assets, Noncurrent [Table Text Block]
Schedule of Accrued Expenses and Other Current Liabilities
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Schedule of Other Noncurrent Liabilities
Other Noncurrent Liabilities [Table Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative [Table]
Derivative [Table]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Derivatives not designated as hedging instruments
Not Designated as Hedging Instrument [Member]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Derivative Contract [Domain]
Foreign currency derivative contracts
Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative [Line Items]
Notional amount of foreign currency derivative contracts
Derivative, Notional Amount
Fair value of foreign currency derivative contracts
Derivative, Fair Value, Net
Business Combinations [Abstract]
Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]
Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
SteelBrick, Inc.
SteelBrick, Inc. [Member]
SteelBrick, Inc. [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Developed technology
Developed Technology Rights [Member]
Customer relationships
Customer Relationships [Member]
Other purchased intangible assets
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value
Finite-Lived Intangible Assets, Gross
Useful Life
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life
Equity [Abstract]
Stockholders' Equity
Shareholders' Equity and Share-based Payments [Text Block]
Statement of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Notes Payable to Banks
Notes Payable to Banks [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
0.25% Convertible Senior Notes due April 1, 2018
Convertible Senior Notes Zero Point Two Five Percentage Due April One Two Thousand And Eighteen [Member]
Convertible Senior Notes Zero Point Two Five Percentage Due April One Two Thousand and Eighteen [Member]
Statement [Line Items]
Statement [Line Items]
Contractual interest rate
Debt Instrument, Interest Rate, Stated Percentage
Period for recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Offering period
Share-based Compensation Arrangement by Share-based Payment Award, Award Offering Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Offering Period
Expected dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Estimated life
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Risk-free interest rate, minimum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Risk-free interest rate, maximum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Weighted-average fair value per share of grants (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Number of purchase periods
Share-based Compensation Arrangement by Share-based Payment Award, Number of Purchase Periods
Share-based Compensation Arrangement by Share-based Payment Award, Number of Purchase Periods
Business Combinations
Business Combination Disclosure [Text Block]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Convertible Debt
Convertible Debt [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Principal
Long-term Debt, Gross
Less: debt discount, net
Debt Instrument, Unamortized Discount
Less: debt issuance cost
Deferred Finance Costs, Net
Net carrying amount
Convertible Notes Payable
Effective interest rates of Senior Notes
Debt Instrument, Interest Rate, Effective Percentage
Concentration Risk [Table]
Concentration Risk [Table]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Accounts Receivable
Accounts Receivable [Member]
Revenue
Sales Revenue, Services, Net [Member]
Assets
Assets, Total [Member]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk
Customer Concentration Risk [Member]
Geographic Concentration Risk
Geographic Concentration Risk [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Outside Americas
Non Americas [Member]
Non Americas [Member]
Americas
UNITED STATES
All Other Countries
All Other Countries [Member]
All Other Countries [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Number of operating segments
Number of Operating Segments
Customers exceeding concentration of accounts receivable threshold, number
Significant Concentration Of Accounts Receivable Number Customers
Significant Concentration of Accounts Receivable Number Customers
Customers exceeding concentration of total revenue threshold, number
Significant Concentration Of Total Revenue Number Customers
Significant Concentration of Total Revenue Number Customers
Countries exceeding concentration of total revenue threshold, number
Concentration Risk, Countries Exceeding Concentration of Total Revenue, Number
Concentration Risk, Countries Exceeding Concentration of Total Revenue, Number
Concentration risk percentage
Concentration Risk, Percentage
Deferred and amortized commission period
Deferred And Amortized Commission Period
Deferred and amortized commission period.
Percentage of tax benefit likely to be realized upon settlement (greater than 50%)
Percentage of Tax Benefit Likely To Be Realized Upon Settlement
Percentage of Tax Benefit Likely To Be Realized Upon Settlement
Impairment of long-lived assets
Impairment of Long-Lived Assets Held-for-use
Payables and Accruals [Abstract]
Accounts payable
Accounts Payable, Current
Accrued compensation
Employee-related Liabilities, Current
Accrued other liabilities
Other Accrued Liabilities, Current
Accrued income and other taxes payable
Taxes Payable, Current
Accrued professional costs
Accrued Professional Fees, Current
Accrued rent
Accrued Rent, Current
Financing obligation - leased facility, current
Financing Obligation, Building in Progress-Leased Facility, Current
Financing Obligation, Building in Progress-Leased Facility, Current
Accrued expenses and other current liabilities
Accounts Payable and Other Accrued Liabilities, Current
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Common Stock
Common Stock [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Cash
Payments to Acquire Businesses, Gross
Common stock
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Common stock (in shares)
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares
Fair value of stock options and restricted stock awards assumed
Business Combination, Consideration Transfered, Fair Value of Equity Awards Assumed
Business Combination, Consideration Transfered, Fair Value of Equity Awards Assumed
Fair value of pre-existing relationship
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value
Total
Business Combination, Consideration Transferred
Other Balance Sheet Accounts
Supplemental Balance Sheet Disclosures [Text Block]
Schedule Of Stock Activity
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Schedule Of Stock Options Outstanding
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Schedule Of Restricted Stock Activity
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Schedule Of Shares Of Common Stock Available For Future Issuance Under Stock Option Plans
Schedule Of Shares Of Common Stock Available For Future Issuance Under Stock Option Plans [Table Text Block]
Schedule Of Shares Of Common Stock Available For Future Issuance Under Stock Option Plans [Table Text Block]
Other Liabilities Disclosure [Abstract]
Class of Warrant or Right [Table]
Class of Warrant or Right [Table]
Class of Warrant or Right [Axis]
Class of Warrant or Right [Axis]
Class of Warrant or Right [Domain]
Class of Warrant or Right [Domain]
0.25% Warrants
Warrants Zero Point Two Five Percentage [Member]
Warrants Zero Point Two Five Percentage [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right [Line Items]
Proceeds
Proceeds from Issuance of Warrants
Warrants (in shares)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights
Strike Price (in dollars per share)
Class of Warrant or Right, Exercise Price of Warrants or Rights
Future minimum lease payments under non-cancelable capital leases, Remaining nine months of fiscal 2017
Capital Leases, Future Minimum Payments Due, Next Twelve Months
Future minimum lease payments under non-cancelable capital leases, Fiscal 2018
Capital Leases, Future Minimum Payments Due in Two Years
Future minimum lease payments under non-cancelable capital leases, Fiscal 2019
Capital Leases, Future Minimum Payments Due in Three Years
Future minimum lease payments under non-cancelable capital leases, Fiscal 2020
Capital Leases, Future Minimum Payments Due in Four Years
Future minimum lease payments under non-cancelable capital leases, Fiscal 2021
Capital Leases, Future Minimum Payments Due in Five Years
Future minimum lease payments under non-cancelable capital leases, Thereafter
Capital Leases, Future Minimum Payments Due Thereafter
Future minimum lease payments under non-cancelable capital leases, Total
Capital Leases, Future Minimum Payments Due
Less: amount representing interest
Capital Leases, Future Minimum Payments, Interest Included in Payments
Present value of capital lease obligations
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments
Future minimum lease payments under non-cancelable operating leases, Remaining nine months of fiscal 2017
Operating Leases, Future Minimum Payments Due, Next Twelve Months
Future minimum lease payments under non-cancelable operating leases, Fiscal 2018
Operating Leases, Future Minimum Payments, Due in Two Years
Future minimum lease payments under non-cancelable operating leases, Fiscal 2019
Operating Leases, Future Minimum Payments, Due in Three Years
Future minimum lease payments under non-cancelable operating leases, Fiscal 2020
Operating Leases, Future Minimum Payments, Due in Four Years
Future minimum lease payments under non-cancelable operating leases, Fiscal 2021
Operating Leases, Future Minimum Payments, Due in Five Years
Future minimum lease payments under non-cancelable operating leases, Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Future minimum lease payments under non-cancelable operating leases, Total
Operating Leases, Future Minimum Payments Due
Financing Obligation, Building in Progress-Leased Facility, Remaining nine months of fiscal 2017
Other Commitment, Due in Next Twelve Months
Financing Obligation, Building in Progress-Leased Facility, Fiscal 2018
Other Commitment, Due in Second Year
Financing Obligation, Building in Progress-Leased Facility, Fiscal 2019
Other Commitment, Due in Third Year
Financing Obligation, Building in Progress-Leased Facility, Fiscal 2020
Other Commitment, Due in Fourth Year
Financing Obligation, Building in Progress-Leased Facility, Fiscal 2021
Other Commitment, Due in Fifth Year
Financing Obligation, Building in Progress-Leased Facility, Thereafter
Other Commitment, Due after Fifth Year
Financing Obligation, Building in Progress-Leased Facility
Other Commitment
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Reportable Geographical Components [Member]
Reportable Geographical Components [Member]
Americas
Americas [Member]
Europe
Europe [Member]
Asia Pacific
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues
Sales Revenue, Services, Net
Summary of Business and Significant Accounting Policies
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Property, Plant and Equipment [Abstract]
Land
Land [Member]
Buildings and building improvements
Building [Member]
Property and equipment, gross
Property, Plant and Equipment, Gross
Less accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment, net
Property, Plant and Equipment, Net
Statement of Comprehensive Income [Abstract]
Net income
Net Income (Loss) Attributable to Parent
Other comprehensive income (loss), before tax and net of reclassification adjustments:
Other Comprehensive Income (Loss), before Tax [Abstract]
Foreign currency translation and other gains (losses)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Unrealized gains (losses) on investments
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax
Other comprehensive income (loss), before tax
Other Comprehensive Income (Loss), before Tax
Tax effect
Other Comprehensive Income (Loss), Tax
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax
Comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Fiscal Year
Fiscal Period, Policy [Policy Text Block]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Segments
Segment Reporting, Policy [Policy Text Block]
Concentrations of Credit Risk and Significant Customers
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Deferred Revenue
Revenue Recognition, Deferred Revenue [Policy Text Block]
Deferred Commissions
Deferred Commissions Policy [Policy Text Block]
Deferred Commissions [Policy Text Block]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Marketable Securities
Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]
Fair Value Measurement
Fair Value of Financial Instruments, Policy [Policy Text Block]
Property and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Capitalized Internal-Use Software Costs
Research, Development, and Computer Software, Policy [Policy Text Block]
Goodwill and Intangible Assets Impairment Assessments
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Long- Lived Assets and Impairment Assessment
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Business Combinations
Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block]
Leases and Asset Retirement Obligations
Lease, Policy [Policy Text Block]
Accounting for Stock-Based Compensation
Compensation Related Costs, Policy [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Foreign Currency Translation
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Warranties and Indemnification
Commitments and Contingencies, Policy [Policy Text Block]
New Accounting Pronouncements Adopted and Pending
New Accounting Pronouncements, Policy [Policy Text Block]
Capitalized internal-use software development costs, net of accumulated amortization of $201,292 and $186,251, respectively
Acquired developed technology, net of accumulated amortization of $505,147 and $481,118, respectively
Acquired Technology [Member]
Acquired Technology [Member]
Capitalized software costs
Capitalized Computer Software, Net
Accumulated amortization
Capitalized Computer Software, Accumulated Amortization
Conversion Rate per $1,000 Par Value
Debt Instrument, Convertible, Conversion Ratio
Initial Conversion Price per Share
Debt Instrument, Convertible, Conversion Price
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Mortgage Loan
Mortgages [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Revolving Credit Facility
Revolving Credit Facility [Member]
0.25% Note Hedges
Note Hedges Zero Point Two Five Percentage [Member]
Note Hedges Zero Point Two Five Percentage [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
Base Rate
Base Rate [Member]
Adjusted LIBOR
London Interbank Offered Rate (LIBOR) [Member]
50 Fremont Street
50 Fremont Street [Member]
50 Fremont Street [Member]
Par value
Debt Instrument, Face Amount
Consecutive trading days threshold
Debt Instrument, Convertible, Threshold Consecutive Trading Days
Consecutive trading days threshold, total
Debt Instrument, Convertible, Threshold Consecutive Trading Days Total
Debt Instrument, Convertible, Threshold Consecutive Trading Days Total
Stock price trigger
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
Notes price trigger
Debt Instrument, Convertible, Threshold Percentage of Notes Price Trigger
Debt Instrument, Convertible, Threshold Percentage of Notes Price Trigger
Purchase price upon fundamental change
Purchase Price Percentage of Principal Upon Fundamental Change
Purchase Price Percentage of Principal Upon Fundamental Change
Estimated fair value of Company's senior notes
Debt Instrument, Fair Value Disclosure
Fair value debt basis amount
Fair Value Measurement Debt Basis Amount
Fair Value Measurement Debt Basis Amount
Closing prices of Company's common stock
Share Price
If-converted value in excess of principal
Debt Instrument, Convertible, If-converted Value in Excess of Principal
Basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Commitment fee percentage
Line of Credit Facility, Commitment Fee Percentage
Amount outstanding
Long-term Line of Credit
Fee on undrawn amount of revolver
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Loan assumed on 50 Fremont
Business Combination, Consideration Transferred, Liabilities Incurred
Debt instrument, interest expense
Interest Expense, Debt
Earnings Per Share [Abstract]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Employee stock awards
Stock Compensation Plan [Member]
Convertible senior notes
Convertible Debt Securities [Member]
Warrants
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Purchased intangible assets, net of accumulated amortization of $228,704 and $212,248, respectively
Purchased Intangible Assets [Member]
Purchased Intangible Assets [Member]
Acquired intellectual property, net of accumulated amortization of $24,186 and $22,439, respectively
Intellectual Property [Member]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2015-03 [Member]
Accounting Standards Update 2015-03 [Member]
Accounting Standards Update 2015-03 [Member]
Other Noncurrent Assets [Member]
Other Noncurrent Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Deferred income taxes, noncurrent, net
Deferred Tax Assets, Net, Noncurrent
Long-term deposits
Deposits Assets, Noncurrent
Purchase and acquired intangible assets
Finite-Lived Intangible Assets, Net
Other
Other Assets
Other assets, net
Other Assets, Noncurrent
Accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Unamortized debt issuance costs
Statement of Cash Flows [Abstract]
Operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Amortization of debt discount and transaction costs
Amortization of Financing Costs and Discounts
Gains on sales of strategic investments
Marketable Equity and Non-Marketable Debt and Equity Securities, Realized Gains (Loss) on Sale
Marketable Equity and Non-Marketable Debt and Equity Securities, Realized Gains (Loss) on Sale
50 Fremont lease termination
Gain (Loss) on Contract Termination
Amortization of deferred commissions
Amortization of Deferred Sales Commissions
Expenses related to employee stock plans
Share-based Compensation
Changes in assets and liabilities, net of business combinations:
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable, net
Increase (Decrease) in Accounts Receivable
Deferred commissions
Increase Decrease Deferred Commissions
Increase Decrease Deferred Commissions
Prepaid expenses and other current assets and other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Accounts payable, accrued expenses and other liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Deferred revenue
Increase (Decrease) in Deferred Revenue
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Business combinations, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Purchase of 50 Fremont land and building
Payments to Acquire Other Property, Plant, and Equipment
Deposit for purchase of 50 Fremont land and building
Proceeds from Deposit for Purchase of Land and Building
Proceeds from Deposit for Purchase of Land and Building
Non-refundable amounts received for sale of land available for sale
Payments for (Proceeds from) Productive Assets
Strategic investments
Payments For Investments In Privately Held Companies
The net cash outflow associated with purchases of investments in privately-held companies
Purchases of marketable securities
Payments to Acquire Available-for-sale Securities
Sales of marketable securities
Proceeds from Sale of Available-for-sale Securities
Maturities of marketable securities
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities
Capital expenditures
Payments to Acquire Property, Plant, and Equipment
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from employee stock plans
Proceeds from Stock Plans
Principal payments on capital lease obligations
Repayments of Long-term Capital Lease Obligations
Payments on revolving credit facility and term loan
Repayments of Bank Debt
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rate changes
Effect of Exchange Rate on Cash and Cash Equivalents
Net increase in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents, beginning of period
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents, end of period
Supplemental cash flow disclosure:
Supplemental Cash Flow Information [Abstract]
Cash paid during the period for:
Cash Paid During Period For [Abstract]
Cash Paid During Period For [Abstract]
Interest
Interest Paid
Income taxes, net of tax refunds
Income Taxes Paid, Net
Non-cash financing and investing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Fixed assets acquired under capital leases
Supplemental Assets Acquired Under Capital Leases
Assets acquired under capital leases
Building - leased facility acquired under financing obligation
Noncash or Part Noncash Acquisition, Fixed Assets Acquired
Fair value of loan assumed on 50 Fremont
Loans Assumed
Fair value of equity awards assumed
Equity Awards Assumed
Equity Awards Assumed
Fair value of common stock issued as consideration for business combination
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued
Capitalized internal-use software development costs
Acquired developed technology
Purchased intangible assets
Acquired intellectual property
Capitalized software amortization expense
Capitalized Computer Software, Amortization
Capitalized stock based compensation
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount
Amortization of acquired intangible assets
Amortization of Intangible Assets
Investments Schedule [Abstract]
Investments
Financial Instruments Disclosure [Text Block]
Assets
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Short-term marketable securities
Available-for-sale Securities, Debt Securities, Current
Accounts receivable, net
Accounts Receivable, Net, Current
Deferred commissions
Deferred Commissions Current
The incremental costs that are associated with non-cancelable subscription contracts with customers and consist of sales commissions paid to the Company's direct sales force. The commissions are deferred and amortized over the non-cancelable terms related to the customer contracts.
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
Marketable securities, noncurrent
Available-for-sale Securities, Debt Securities, Noncurrent
Property and equipment, net
Deferred commissions, noncurrent
Deferred Commission Noncurrent
The noncurrent incremental costs that are associated with non-cancelable subscription contracts with customers and consist of sales commissions paid to the Company's direct sales force. The commissions are deferred and amortized over the non-cancelable terms related customer contracts.
Capitalized software, net
Goodwill
Goodwill
Strategic investments
Other Long-term Investments
Total assets
Assets
Liabilities and stockholders’ equity
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable, accrued expenses and other liabilities
Deferred revenue
Deferred Revenue, Current
Total current liabilities
Liabilities, Current
Convertible 0.25% senior notes, net
Convertible Notes Payable, Noncurrent
Loan assumed on 50 Fremont
Secured Long-term Debt, Noncurrent
Deferred revenue, noncurrent
Deferred Revenue, Noncurrent
Other noncurrent liabilities
Other Liabilities, Noncurrent
Total liabilities
Liabilities
Stockholders’ equity:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Total stockholders’ equity
Stockholders' Equity Attributable to Parent
Total liabilities and stockholders’ equity
Liabilities and Equity
Provision for income taxes
Income Tax Expense (Benefit)
Income (loss) before provision for income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Income tax benefit recognized from stock compensation expense
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Reasonably possible decrease of unrecognized tax benefits
Decrease in Unrecognized Tax Benefits is Reasonably Possible
Schedule Of Future Minimum Lease Payments Under Non-Cancelable Operating And Capital Leases
Schedule of Future Minimum Lease Payments Under Capital Leases and Operating Leases [Table Text Block]
Schedule of Future Minimum Lease Payments Under Capital Leases and Operating Leases [Table Text Block]
Reconciliation of Denominator Used In Calculation of Basic And Diluted Loss Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Shares Excluded From Diluted Earnings Or Loss Per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Exercise Price Range [Axis]
Exercise Price Range [Axis]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]
$0.86 to $37.95
Range 1 [Member]
Range 1 [Member]
$38.03 to $52.14
Range 2 [Member]
Range 2 [Member]
$52.30
Range 3 [Member]
Range 3 [Member]
$53.60 to $57.79
Range 4 [Member]
Range 4 [Member]
$59.34
Range 5 [Member]
Range 5 [Member]
$59.37 to $77.86
Range 6 [Member]
Range 6 [Member]
$80.99
Range 7 [Member]
Range 7 [Member]
Range of Exercise Prices, Minimum
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit
Range of Exercise Prices, Maximum
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit
Options, Number Outstanding
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options
Weighted- Average Remaining Contractual Life (Years), Options Outstanding
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term
Weighted- Average Exercise Price, Options Outstanding
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price
Options Exercisable, Number of Shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options
Options Exercisable, Weighted- Average Exercise Price
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Purchase
Purchase Of Convertible Note Hedges
Purchase Of Convertible Note Hedges
Shares
Shares Of Common Stock Covered By Note Hedges
Shares Of Common Stock Covered By Note Hedges
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Principles, Early Adoption [Domain]
New Accounting Principles, Early Adoption [Domain]
New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption, Effect [Member]
Accounting Standards Update 2016-09 [Member]
Accounting Standards Update 2016-09 [Member]
Accounting Standards Update 2016-09 [Member]
Impact of net cash provided by operating activities
Impact of net cash provided by financing activities
Document And Entity Information [Abstract]
Document and Entity Information [Abstract]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Cash and cash equivalents
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Other current and noncurrent tangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets
Customer contract asset, current and noncurrent
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Customer Contract Assets Current And Noncurrent
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Customer Contract Assets Current And Noncurrent
Intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Deferred revenue, current and noncurrent
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Revenue Current And Noncurrent
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Revenue Current And Noncurrent
Customer liability, current and noncurrent
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Customer Liability Current And Noncurrent
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Customer Liability Current And Noncurrent
Other liabilities, current and noncurrent
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Deferred tax liability
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Current
Net assets acquired
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Schedule of Marketable Securities
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
Schedule of Short-Term and Long-Term Marketable Securities
Available-for-sale Securities [Table Text Block]
Schedule of Marketable Securities in a Unrealized Loss Position
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]
Schedule of Assets and Liabilities Measured at Fair Value an a Recurring Basis
Fair Value, by Balance Sheet Grouping [Table Text Block]
Schedule of Outstanding Foreign Currency Derivative Contracts Related Primarily to Intercompany Receivables and Payables
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Fair Value of Outstanding Derivative Instruments
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Schedule of The Effect of The Derivative Instruments Not Designated as Hedging Instruments on the Condensed Consolidated Statements of Operations
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Components of Investment Income
Schedule of Other Nonoperating Income, by Component [Table Text Block]
Contractual interest expense
Interest Expense, Debt, Excluding Amortization
Amortization of debt issuance costs
Amortization of Financing Costs
Amortization of debt discount
Amortization of Debt Discount (Premium)
Debt Instrument, Interest Expense, Total
MetaMind [Member]
MetaMind [Member]
MetaMind [Member]
Other Business Combination
Other Business Combination [Member]
Other Business Combinations [Member]
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
CEO and Chairman of MetaMind [Member]
CEO and Chairman of MetaMind [Member]
CEO and Chairman of MetaMind [Member]
Percentage of acquired platform delivered on parent company platform
Percentage of Acquired Platform Delivered on Parent Company Platform
Percentage of Acquired Platform Delivered on Parent Company Platform
Share conversion ratio
Share Based Compensation Arrangement By Share Based Payment Award Conversion Ratio
Share Based Compensation Arrangement By Share Based Payment Award Conversion Ratio
Investment owned
Investment Owned, at Fair Value
Fair value of equity interest in acquiree
Equity interest in acquiree
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage
Remeasurement gain
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain
Equity interest issued or issuable
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned
Allocated to future services
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned, Allocated to Future Services
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned, Allocated to Future Services
Consideration transferred
Ownership percentage (greater than 10%)
Equity Method Investment, Ownership Percentage
Number of businesses acquired
Number of Businesses Acquired
Business combinations, net of cash acquired
Goodwill acquired
Goodwill, Acquired During Period
2013 Equity Incentive Plan
Two Thousand And Thirteen Equity Incentive Plan [Member]
Two Thousand And Thirteen Equity Incentive Plan [Member]
2014 Inducement Equity Incentive Plan
Two Thousand And Fourteen Inducement Equity Incentive Plan [Member]
Two Thousand And Fourteen Inducement Equity Incentive Plan [Member]
Amended and Restated 2004 Employee Stock Purchase Plan
Acquired equity plans
Assumed Equity Plans [Member]
Assumed Equity Plans [Member]
Options outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Restricted stock awards and units outstanding (in shares)
Stock available for future grant (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Convertible senior notes (in shares)
Convertible Senior Notes Shares
Convertible Senior Notes Shares
Warrants (in shares)
Total shares available for future grant (in shares)
Common Stock, Capital Shares Reserved for Future Issuance
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Line Items]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost
Available-for-sale Securities, Amortized Cost Basis
Unrealized Gains
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax
Unrealized Losses
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Fair Value
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Balance as of January 31, 2016
Finalization of acquisition date fair values
Goodwill, Purchase Accounting Adjustments
Balance as of April 30, 2016
Marketable securities in an unrealized loss position for less than 12 months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Marketable securities in an unrealized loss position for less than 12 months, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Marketable securities in an unrealized loss position for more than 12 months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Marketable securities in an unrealized loss position for more than 12 months, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Marketable securities in an unrealized loss position, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Marketable securities in an unrealized loss position, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss
Accounting Changes and Error Corrections [Abstract]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Convertible 0.25% Senior Notes, Net and Loan Assumed on 50 Fremont [Member]
Long-term Debt [Member]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Retained Earnings [Member]
Retained Earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reduction of accumulated deficit balance
Cumulative Effect of New Accounting Principle in Period of Adoption
Increase in deferred tax assets If no valuation allowance recorded
Deferred Tax Asset, Amount of Increase (Decrease) If No Valuation Allowance Recorded
Deferred Tax Asset, Amount of Increase (Decrease) If No Valuation Allowance Recorded
Schedule of Property And Equipment
Property, Plant and Equipment [Table Text Block]
Income Statement [Abstract]
Revenues:
Revenues [Abstract]
Subscription and support
Subscription And Support Revenue
Revenue from subscription revenues, which are comprised of subscription fees from customers accessing our enterprise cloud computing application service, and from customers purchasing additional support beyond the standard support in the basic subscription fee.
Professional services and other
Technology Services Revenue
Total revenues
Cost of revenues:
Cost of Revenue [Abstract]
Subscription and support
Cost Of Revenue Subscription And Support
Costs incurred hosting our service and providing support, the costs of data center capacity, depreciation or operating lease expenses associated with computer equipment, costs associated with web site development activities, allocated overhead and amortization expense associated with capitalized software related to our application service and acquired technology.
Professional services and other
Other Cost of Services
Total cost of revenues
Cost of Services
Gross profit
Gross Profit
Operating expenses:
Operating Expenses [Abstract]
Research and development
Research and Development Expense
Marketing and sales
Selling and Marketing Expense
General and administrative
General and Administrative Expense
Operating lease termination resulting from purchase of 50 Fremont
Total operating expenses
Operating Expenses
Income from operations
Operating Income (Loss)
Investment income
Investment Income, Net
Interest expense
Interest Expense
Gains on sales of strategic investments
Gain (Loss) on Investments
Other expense
Other Nonoperating Expense
Income before benefit from (provision for) income taxes
Benefit from (provision for) income taxes
Net income
Basic net income per share (in dollars per share)
Earnings Per Share, Basic
Diluted net income per share (in dollars per share)
Earnings Per Share, Diluted
Shares used in computing basic net income per share (in shares)
Weighted Average Number of Shares Outstanding, Basic
Shares used in computing diluted net income per share (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Earnings Per Share
Earnings Per Share [Text Block]
Stock grants to board and advisory board members
Options For Board And Advisory Board Members [Member]
Stock Grants To Board And Advisory Board Members [Member]
Shares available for grant
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant [Roll Forward]
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant [Roll Forward]
Shares Available for Grant, Balance
Shares Available for Grant, Increase in shares authorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized, Available for Grant
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized, Available for Grant
Shares Available for Grant, Options granted under all plans
Options Granted During Period
Options granted during period
Shares Available for Grant, Restricted stock activity
Restricted Stock Unit Activity
Restricted stock unit activity
Shares Available for Grant, Stock grants to board and advisory board members
Stock Grants To Board Members For Board Services And Advisory Board Members
Stock grants to board and advisory board members
Shares Available for Grant, Exercised
Shares Available For Grant Exercised
Shares Available for Grant, Exercised
Shares Available for Grant, Expired
Shares Available for Grant, Expired
Shares Available for Grant, Expired
Shares Available for Grant, Cancelled
Shares Available For Grant Canceled During Period
Shares available for grant canceled during the period
Shares Available for Grant, Balance
Outstanding Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Stock Options, Balance
Outstanding Stock Options, Increase in shares authorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized
Outstanding Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures
Outstanding Stock Options, Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Outstanding Stock Options, Plan shares expired
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Outstanding Stock Options, Cancelled
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Outstanding Stock Options, Balance
Outstanding Stock Options, Vested or expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Outstanding Stock Options, Exercisable
Options Outstanding Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted- Average Exercise Price, Balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Weighted- Average Exercise Price, Options
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Weighted- Average Exercise Price, Exercised
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Weighted- Average Exercise Price, Cancelled
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Weighted- Average Exercise Price, Expired
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Weighted- Average Exercise Price, Balance
Weighted- Average Exercise Price, Vested or expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Weighted- Average Exercise Price, Exercisable
Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Intrinsic Value, Amount Per Share [Abstract]
Weighted- Average Exercise Price, Balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Weighted- Average Exercise Price, Vested or expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Weighted- Average Exercise Price, Exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Weighted-average shares outstanding for basic income per share (in shares)
Convertible senior notes (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities
Employee stock awards (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Warrants (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants
Adjusted weighted-average shares outstanding and assumed conversions for diluted income per share (in shares)
Commitments
Commitments Disclosure [Text Block]
Interest income
Investment Income, Interest
Realized gains
Gain on Sale of Investments
Realized losses
Loss on Sale of Investments
Total investment income
Deferred income taxes and income taxes payable
Deferred Income Taxes And Noncurrent Income Taxes Payable
Deferred Income Taxes And Noncurrent Income Taxes Payable
Long-term lease liabilities and other
Long Term Liabilities Other
Long Term Liabilities Other
Other noncurrent liabilities
Property and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Debt Conversion [Table]
Debt Conversion [Table]
Debt Conversion [Line Items]
Debt Conversion [Line Items]
Par Value Outstanding
Debt Instrument Par Value
Debt Instrument Par Value
Equity Component Recorded at Issuance
Debt Instrument, Convertible, Carrying Amount of Equity Component
Revenues By Geographical Region
Revenue from External Customers by Geographic Areas [Table Text Block]
Schedule Of Property And Equipment Estimated Useful Lives
Property Plant And Equipment Estimated Useful Life [Table Text Block]
Property Plant And Equipment Estimated Useful Life [Table Text Block]
Schedule Of Assumptions Used To Calculate Fair Value Of Options Granted
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Other income (expense)
Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) on Derivative Instruments Recognized in Income
Derivative, Gain (Loss) on Derivative, Net
Prepaid income taxes
Prepaid Taxes
Other taxes receivable
Other Taxes Receivable, Current
Other Taxes Receivable, Current
Prepaid expenses and other current assets
Prepaid Expense, Current
Prepaid expenses and other current assets
Construction costs capitalized
Construction in Progress [Member]
Depreciation and amortization expense
Other Depreciation and Amortization
Fixed assets acquired under capital lease agreements
Capital Leased Assets, Gross
Accumulated depreciation and amortization
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation
Net rentable area (in square feet)
Net Rentable Area
Expected financing obligation
Schedule of Consideration Transferred
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Schedule of Identifiable Intangible Assets Acquired
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
Accounts payable, accrued expenses and other liabilities
Accounts Payable Accrued Expenses And Other Current Liabilities [Member]
Accounts Payable Accrued Expenses And Other Current Liabilities Member
Derivative Assets
Derivative Asset, Fair Value, Gross Asset
Derivative Liabilities
Derivative Liability, Fair Value, Gross Liability
Cost of revenues
Cost of Sales [Member]
Marketing and sales
Selling and Marketing Expense [Member]
Research and development
Research and Development Expense [Member]
Other non-operating expense
Other Non-Operating Expense [Member]
Other Non-Operating Expense [Member]
General and administrative
General and Administrative Expense [Member]
Amortization of purchased intangibles from business combinations
Amortization Of Purchased Intangibles From Business Combinations
Amortization Of Purchased Intangibles From Business Combinations
Stock-based expenses
Debt
Debt Disclosure [Text Block]