Line of Credit Facility [Abstract] Debt Disclosure [Table] Debt Disclosure [Table] Debt Disclosure [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Notes [Member] Senior Notes [Member] Senior Notes 2017 [Member] Senior Notes 2017 [Member] Senior Notes 2017 [Member] Senior Notes 2022 [Member] Senior Notes 2022 [Member] Senior Notes 2022 [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt Disclosure [Line Items] Debt Instrument [Line Items] Debt Issuance Cost Debt Issuance Cost Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Interest Rate, Stated Percentage (in %) Debt Instrument, Interest Rate, Stated Percentage Proceeds from Debt, Net of Issuance Costs Proceeds from Debt, Net of Issuance Costs Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount 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Assumed, Net Stock Based Compensation Expense [Abstract] Stock Based Compensation Expense [Abstract] Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Table] Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Table] Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Performance Shares [Member] Performance Shares [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Employee Stock Option [Member] Employee Stock Option [Member] Employee Qualified Stock Purchase Plan 1998 ESP Plan [Member] Employee Qualified Stock Purchase Plan 1998 ESP Plan [Member] Employee Qualified Stock Purchase Plan 1998 ESP Plan [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] 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Granted [Text Block] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income, net of tax and reclassification [Abstract] Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent [Abstract] Net loss on derivative instruments Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Change in net unrealized gain on available-for-sale securities Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Net change in cumulative foreign currency translation gain Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Total other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Restructuring [Abstract] Restructuring [Abstract] Restructuring and Related Activities Disclosure [Text Block] Restructuring and Related Activities Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Restricted Stock [Member] Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Document Period End Date Document Period End Date Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value PerformanceSharesUnitsPayoutPercentage PerformanceSharesUnitsPayoutPercentage PerformanceSharesUnitsPayoutPercentage Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] Share-based Compensation 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Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unreleased restricted stocck at April 30, 2012 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Unreleased restricted stock at January 31, 2012 (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Awarded (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Released (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Unreleased restricted stock at April 30, 2012 (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Compensation Related Costs Share Based Payments Disclosure [Table] Compensation Related Costs Share Based Payments Disclosure [Table] Compensation Related Costs Share Based Payments Disclosure [Table] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Employee Stock Plan 2012 [Member] Employee Stock Plan 2012 [Member] Employee Stock Plan 2012 [Member] Directors stock plan 2012 [Member] Directors stock plan 2012 [Member] Directors stock plan 2012 [Member] Compensation Related Costs Share Based Payments Disclosure [Line Items] Compensation Related Costs Share Based Payments Disclosure [Line Items] Compensation Related Costs Share Based Payments Disclosure [Line Items] Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (in years) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Share based compensation arragements by share based payment awards, number of active plans (presented as an integer) Share based compensation arragements by share based payment awards, number of active plans Share based compensation arragements by share based payment awards, number of active plans Share based compensation arrangement by share based payment award expired or terminated plans (presented as an integer) Share based compensation arrangement by share based payment award expired or terminated plans Share based compensation arrangement by share based payment award expired or terminated plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Share-based Compensation, Forfeited Stock Issued During Period, Shares, Share-based Compensation, Forfeited Share-Based Compensation Shares Granted to Share Issued Share-Based Compensation Shares Granted to Share Issued Share-Based Compensation Shares Granted to Share Issued Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share based compensation arrangement by share based payment award options expiration term (in years) Share based compensation arrangement by share based payment award options expiration term Share based compensation arrangement by share based payment award options expiration term Employee Stock Plan Shares Remaining Available For Issuance Employee Stock Plan Shares Remaining Available For Issuance Shares remaining available for issuance for the plan. Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in usd) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Share Based Compensation Non Vested Options Outstanding Weighted Average Remaining Contractual Term (in years) Share Based Compensation Non Vested Options Outstanding Weighted Average Remaining Contractual Term Share based Compensation, Non Vested Options, Outstanding, Weighted Average Remaining Contractual Term Sale of Stock, Price Per Share (in usd per share) Sale of Stock, Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Allocated Share-based Compensation Expense (in usd) Allocated Share-based Compensation Expense Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Restricted Shares (in usd) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Employee Stock Purchase Plan Maximum Percentage Of Compensation To Purchase Shares By Eligible Participants (presented as a percent) Employee Stock Purchase Plan Maximum Percentage Of Compensation To Purchase Shares By Eligible Participants Employee Stock Purchase Plan, Maximum Percentage of Compensation to Purchase Shares By Eligible Participants Employee Stock Purchase Plan Minimum Percentage Of Common Stock Fair Value Defined To Purchase Shares By Eligible Participants (presented as a percent) Employee Stock Purchase Plan Minimum Percentage Of Common Stock Fair Value Defined To Purchase Shares By Eligible Participants Employee Stock Purchase Plan, Minimum Percentage of Common Stock Fair Value Defined to Purchase Shares By Eligible Participants Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period Share Based Compensation Arrangement By Share Based Payment Award Options Other Increases Decreases In Period Percentage Calculation (presented as a percent) Share Based Compensation Arrangement By Share Based Payment Award Options Other Increases Decreases In Period Percentage Calculation Share Based Compensation Arrangement by Share Based Payment Award, Options, Other Increases (Decreases) in Period, Percentage Calculation Stock Issued During Period, Shares, Employee Stock Purchase Plans Stock Issued During Period, Shares, Employee Stock Purchase Plans Share Based Compensation Arrangement By Share Based Payment Award Shares Issued Average Price (in usd per share) Share Based Compensation Arrangement By Share Based Payment Award Shares Issued Average Price Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued, Average Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in usd per share) Schedule of Restructuring and Related Costs [Table Text Block] Restructuring and Related Costs [Table Text Block] Subsequent Events [Abstract] Stock-based Compensation Expense [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill [Text Block] Goodwill Disclosure [Text Block] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Income Statement Location [Axis] Income Statement and Other Comprehensive Income (Loss) Location [Domain] Income Statement Location [Domain] Sales [Member] Sales [Member] Operating Expense [Member] Operating Expense [Member] Interest and other income (expense), net [member] Interest and other income (expense), net [member] Interest Income (Expense), Net Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Amount of gain (loss) recognized in accumulated other comprehensive income on derivatives (effective portion) Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Derivative, Notional Amount Derivative, Notional Amount Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Interest and other income (expense), net Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Interest and other income, net Derivative, Gain (Loss) on Derivative, Net Reclassification [Abstract] Reclassification [Abstract] Disclosure of Reclassification Amount [Text Block] Disclosure of Reclassification Amount [Text Block] Business Combination Disclosure [Text Block] Business Combination Disclosure [Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Fiscal 2013 Plan [Member] Fiscal 2013 Plan [Member] Fiscal 2013 Plan [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance [Member] Employee Severance [Member] Facility Closing [Member] Facility Closing [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring and Related Cost, Number of Positions Eliminated (in number) Restructuring and Related Cost, Number of Positions Eliminated NumberOfFacilitiesThatWereConsolidated (in number) NumberOfFacilitiesThatWereConsolidated Number of Facilities that were Consolidated Restructuring and Related Cost, Cost Incurred to Date Restructuring and Related Cost, Cost Incurred to Date Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Beginning Balance Restructuring Reserve Additions Restructuring Charges Payments Payments for Restructuring Adjustments Restructuring Reserve, Translation and Other Adjustment Ending Balance Current portion At January 31, 2012 Restructuring Reserve, Current Current portion At October 31, 2012 Non-current portion At January 31, 2012 Restructuring Reserve, Noncurrent Non-current portion At October 31, 2012 Share-based Compensation, Shares Authorized under Stock Option Plans, by 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] Range 1 [Member] Range 1 [Member] Range 1 Range 2 [Member] Range 2 [Member] Range 2 Range3 [Member] Range3 [Member] Range 3 Range4 [Member] Range4Member Range 4 Range 5 [Member] Range 5 [Member] Range 5 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerLimit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerLimit Share Based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperLimit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperLimit Share Based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Limit Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in usd) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value (in usd) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Finite-Lived Intangible Assets, Net [Abstract] Intangible Assets Disclosure [Text Block] Intangible Assets Disclosure [Text Block] Borrowing Arrangements [Text Block] Debt Disclosure [Text Block] Decrease to Cost of License and Other Revenue (for Reclass) Decrease to Cost of License and Other Revenue (for Reclass) Decrease to Cost of License and Other Revenue (for Reclass) Increase to Subscription Revenue (for Reclass) Increase to Subscription Revenue (for Reclass) Increase to Subscription Revenue (for Reclass) Decrease to License and Other Revenue (for Reclass) Decrease to License and Other Revenue (for Reclass) Decrease to License and Other Revenue (for Reclass) Increase to Cost of Subscription Revenue (for Reclass) Increase to Cost of Subscription Revenue (for Reclass) Increase to Cost of Subscription Revenue (for Reclass) Document and Entity Information [Abstract] Document and Entity Information [Abstract] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Document Type Document Type Amendment Flag Amendment Flag 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 Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Comprehensive Income (Loss) Note [Text Block] Comprehensive Income (Loss) Note [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value (in usd) Other Acquistions [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 Rights [Member] Developed Technology Rights [Member] Customer Relationships [Member] Customer Relationships [Member] Trade Names [Member] Trade Names [Member] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets Goodwill acquired Goodwill Schedule of Goodwill [Table Text Block] Schedule of Goodwill [Table Text Block] Class of Stock Disclosures [Abstract] Common Stock Repurchase Program [Text Block] Treasury Stock [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Statement, Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Platform Solutions and Emerging Business [Member] Platform Solutions and Emerging Business [Member] Platform Solutions and Emerging Business Architecture, Engineering and Construction [Member] Architecture Engineering And Construction [Member] Architecture, Engineering and Construction Manufacturing [Member] Manufacturing [Member] Manufacturing Media and Entertainment [Member] Media And Entertainment [member] Media and Entertainment Goodwill [Line Items] Goodwill [Line Items] Goodwill, Acquired During Period Goodwill, Acquired During Period Goodwill before accumulated impairment losses beginning balance Goodwill before accumulated impairments Goodwill before accumulated impairments Accumulated impairment losses beginning balance Goodwill, Impaired, Accumulated Impairment Loss Goodwill Effect of foreign currency translation, purchase accounting and other Goodwill, Translation and Purchase Accounting Adjustments Goodwill before accumulated impairment losses ending balance Accumulated impairment losses ending balance Income Tax Disclosure [Abstract] Income Taxes [Text Block] Income Tax Disclosure [Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Unallocated Amount to Segment [Member] Segment Reconciling Items [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Net Income (Loss) Attributable to Parent Revenue, Net Revenue, Net Gross Profit Gross Profit Property, Plant and Equipment [Abstract] Computer software, at cost Capitalized Computer Software, Gross Computer hardware, at cost Computer Hardware Gross Computer Hardware, Gross Leasehold improvements, land and buildings, at cost Building And Leasehold Improvements Gross Carrying amount at the balance sheet date of long-lived, depreciable assets that include building structures held for productive use including any addition, improvement, or renovation to the structure as well as the addition of improvements to assets held under lease arrangements. Furniture and equipment, at cost Furniture and Fixtures, Gross Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Computer software, hardware, leasehold improvements, furniture and equipment, net Property, Plant and Equipment, Net Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value by Asset Class [Axis] Asset Class [Axis] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, by Asset Class [Domain] Asset Class [Domain] Derivative [Member] Derivative [Member] Convertible Debt Securities [Member] Convertible Debt Securities [Member] Auction Rate Securities [Member] Auction Rate Securities [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input 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Revenue, Net [Abstract] License and other License and Services Revenue Subscription Revenue Subscription and Circulation Revenue Total net revenue Cost of revenue [Abstract]: Cost of Revenue [Abstract] Cost of license and other revenue License Costs Cost of subscription revenue Cost of Goods Sold, Subscription Total cost of revenue Cost of Revenue Gross profit Operating expenses [Abstract]: Operating Expenses [Abstract] Marketing and sales Selling and Marketing Expense Research and development Research and Development Expense General and administrative General and Administrative Expense Restructuring Total operating expenses Operating Expenses Income from operations Operating Income (Loss) Interest and other income, net Interest Income (Expense), Net Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Net income Basic net income per share (in usd per share) Earnings Per Share, Basic Diluted net income per share (in usd per share) Earnings Per Share, Diluted Weighted average shares used in computing basic net income per share (in shares) Weighted Average Number of Shares Outstanding, Basic Weighted average shares used in computing diluted net income per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Effective Income Tax Rate, Continuing Operations Effective Income Tax Rate Reconciliation, Percent Effective Tax Rate - Increase/Decrease in the effective tax rate Effective Tax Rate - Increase/Decrease in the effective tax rate Effective Tax Rate - Increase/Decrease in the effective tax rate Effective tax rate excluding the impact of discrete tax items Effective tax rate excluding the impact of discrete tax items Effective Income Tax Rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Unrecognized Tax Benefits (in usd) Unrecognized Tax Benefits Unrecognized Tax Benefits that Would Impact Effective Tax Rate (in usd) Unrecognized Tax Benefits that Would Impact Effective Tax Rate Deferred Tax Assets, Net (in usd) Deferred Tax Assets, Net Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Due in 1 year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due in 1 year through 5 years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due in 5 year through 10 years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Due after 10 years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Total Available-for-sale Securities, Debt Maturities, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Due in 1 year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due in 1 year through 5 years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due in 5 year through 10 years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Due after 10 years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Total Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument Risk [Axis] Derivatives, Fair Value, by Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Prepaid expenses and other current assets [member] Other Current Assets [Member] Other Assets [Member] Other Assets [Member] Other Accrued Liabilities [Member] Other Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative, Fair Value, Net Derivative, Fair Value, Net Derivative Asset, Fair Value, Gross Asset Derivative Asset, Fair Value, Gross Asset Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Income Statement Location [Axis] Income Statement Location [Domain] General and Administrative Expense [Member] General and Administrative Expense [Member] Selling and Marketing Expense [Member] Selling and Marketing Expense [Member] Cost of Subscription [Member] Cost of Subscription [Member] Cost of Subscription [Member] Cost of Sales [Member] Cost of Sales [Member] Research and Development Expense [Member] Research and Development Expense [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Allocated Share-based Compensation Expense Share-based Compensation Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Allocated Share-based Compensation Expense, Net of Tax Allocated Share-based Compensation Expense, Net of Tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Financial Instruments and Hedging Activities [Text Block] Financial Instruments Disclosure [Text Block] Statement of Financial Position [Abstract] ASSETS [Abstract] Assets [Abstract] Current assets [Abstract]: Assets, Current [Abstract] Cash and cash equivalents Marketable securities Marketable Securities, Current Accounts receivable, net Accounts Receivable, Net, Current Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Marketable securities Marketable Securities, Noncurrent Computer equipment, software, furniture and leasehold improvements, net Purchased technologies, net Intangible Assets, Net (Excluding Goodwill) Goodwill Deferred income taxes, net Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other assets Other Assets, Noncurrent Assets, Total Assets LIABILITIES AND STOCKHOLDERS' EQUITY [Abstract] Liabilities and Equity [Abstract] Current liabilities [Abstract]: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued compensation Employee-related Liabilities, Current Accrued income taxes Accrued Income Taxes, Current Deferred revenue Deferred Revenue, Current Other accrued liabilities Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Deferred revenue Deferred Revenue, Noncurrent Long term income taxes payable Accrued Income Taxes, Noncurrent Long-term Debt Long-term Debt Other liabilities Other Liabilities, Noncurrent Commitments and contingencies Commitments and Contingencies Stockholders' equity [Abstract]: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock Preferred Stock, Value, Issued Common stock and additional paid-in capital Common Stocks, Including Additional Paid in Capital Accumulated other comprehensive income Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders' equity Stockholders' Equity Attributable to Parent Liabilities and Equity, Total Liabilities and Equity Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] EMEA [Member] EMEA [Member] Americas [Member] Americas [Member] Asia Pacific [Member] Asia Pacific [Member] Region Reporting Information, by Secondary Region [Axis] Region Reporting Information, by Secondary Region [Axis] Region Reporting Information, by Secondary Region [Axis] Region Reporting Information, by Secondary Region [Domain] Region Reporting Information, by Secondary Region [Domain] Region Reporting Information, by Secondary Region [Domain] UNITED STATES [Member] UNITED STATES Other Americas [Member] Other Americas [Member] Other Americas JAPAN [Member] JAPAN Other Asia Pacific [Member] Other Asia Pacific [Member] Other Asia Pacific Risks and Uncertainties [Abstract] Concentration of Risk [Table] Concentration Risk [Table] Statement, Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Tech Data [Member] Tech Data [Member] Tech Data [Member] Concentration Risk by Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Accounts Receivable Accounts Receivable [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Unsecured revolving credit facility (in usd) Total sales to the distributors Tech Data Corporation and its global affiliates ("Tech Data") relative to Autodesk's consolidated net revenue Percentage Of Net Sales Percentage of Net Sales Percentage of gross accounts receivable accounted for by Tech Data Concentration Risk, Percentage Purchased technologies at cost Purchased technologies at cost Finite Lived Purchased Technologies Gross Customer relationships and trade names, at cost Other Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross, Total Finite-Lived Intangible Assets, Gross Less: Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Other intangible assets, net Finite-Lived Intangible Assets, Net Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Common Stock Repurchase Program [member] Common Stock Repurchase Program [member] Common Stock Repurchase Program Common Stock [Member] Common Stock [Member] Retained Earnings [Member] Retained Earnings [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Common stock repurchased and retired (in shares) Stock Repurchased and Retired During Period, Shares Repurchased shares of its common stock on the open market, average repurchase price per share (in usd per share) Treasury Stock Acquired, Average Cost Per Share Repurchased shares of its common stock on the open market, value Stock Repurchased and Retired During Period, Value Common Stock shares remained available for repurchase under repurchase plans (in shares) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Denominator for basic net income per share-weighted average shares Effect of dilutive securities Weighted Average Number Diluted Shares Outstanding Adjustment Denominator for dilutive net income per share Potentially dilutive shares excluded from the computation of diluted net income per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Concentration of Credit Risk [Text Block] Concentration Risk Disclosure [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Description of New Accounting Pronouncements Not yet Adopted [Text Block] New Accounting Pronouncement or Change in Accounting Principle, Description Proceeds from Sale and Maturity of Marketable Securities Proceeds from Sale and Maturity of Marketable Securities Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Other than Temporary Impairment Losses, Investments Other than Temporary Impairment Losses, Investments Gain (Loss) on Investments Gain (Loss) on Investments Computer Equipment, Software, Furniture and Leasehold Improvements, Net [Text Block] Property, Plant and Equipment Disclosure [Text Block] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Balance Sheet Location [Axis] Other Long-term Investments [Member] Other Long-term Investments [Member] Short-term Investments [Member] Short-term Investments [Member] Other Assets [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Corporate Bond Securities [Member] Corporate Bond Securities [Member] Commercial Paper [Member] Commercial Paper [Member] Money Market Funds [Member] Money Market Funds [Member] Bank Time Deposits [Member] Bank Time Deposits [Member] Schedule of Available-for-sale Securities, 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] Commercial paper and corporate securities [member] Commercial Paper, Not Included with Cash and Cash Equivalents [Member] US Treasury Securities [Member] US Treasury Securities [Member] US Government Agencies Debt Securities [Member] US Government Agencies Debt Securities [Member] US States and Political Subdivisions Debt Securities [Member] US States and Political Subdivisions Debt Securities [Member] Sovereign Debt [Member] Sovereign Debt [Member] Other [Member] Other securities [Member] Other securities [Member] Corporate Debt Securities [Member] Corporate Debt Securities [Member] Taxable Auction Rate Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Cash and Cash Equivalents, at Carrying Value Available-for-sale Securities, Gross Unrealized Gains Available-for-sale Securities, Gross Unrealized Gain Available-for-sale Securities, Gross Unrealized Losses Available-for-sale Securities, Gross Unrealized Loss Available-for-sale Securities, Amortized Cost Basis Available-for-sale Securities, Amortized Cost Basis Cash and Cash Equivalents, Fair Value Disclosure Cash and Cash Equivalents, Fair Value Disclosure Available-for-sale Securities, Fair Value Disclosure Available-for-sale Securities Available-for-sale Debt Securities, Amortized Cost Basis Available-for-sale Debt Securities, Amortized Cost Basis Trading Securities, Short-term Investments, Amortized Cost Trading Securities, Short-term Investments, Amortized Cost Available-for-sale Debt Securities Gross Unrealized Gain Available-for-sale Debt Securities Gross Unrealized Gain Available-for-sale Debt Securities, Gross Unrealized Loss Available-for-sale Debt Securities, Gross Unrealized Loss Convertible Debt Securities, Fair Value Disclosure Convertible Debt Securities, Fair Value Disclosure Convertible Debt Securities, Fair Value Disclosure Derivative Instruments and Hedges, Carrying Amount Derivative Instruments and Hedges, Carrying Amount Derivative Instruments and Hedges, Carrying Amount Unrealized Gain on Foreign Currency Derivatives, before Tax Unrealized Gain on Foreign Currency Derivatives, before Tax Unrealized Loss on Foreign Currency Derivatives, before Tax Unrealized Loss on Foreign Currency Derivatives, before Tax Trading Securities Trading Securities Trading Securities, Unrealized Holding Gain Trading Securities, Unrealized Holding Gain Trading Securities, Unrealized Holding Loss Trading Securities, Unrealized Holding Loss Amortized Cost Securities Amortized Cost Securities Amortized Cost Securities Unrealized Gain on Securities Unrealized Gain on Securities Unrealized Loss on Securities Unrealized Loss on Securities Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis Fair Value, Transfers Between Level 1 and Level 2, Description and Policy [Abstract] Fair Value, Transfers Between Level 1 and Level 2, Description and Policy [Abstract] Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Fair Value, Assets and Liabilities Measured on a Recurring Basis [Axis] Fair Value, Assets and Liabilities Measured on a Recurring Basis [Axis] Fair Value, Assets and Liabilities Measured on a Recurring Basis Axis Fair Value, Assets and Liabilities Measured on a Recurring Basis [Domain] Fair Value, Assets and Liabilities Measured on a Recurring Basis [Domain] Fair Value, Assets and Liabilities Measured on a Recurring Basis [Domain] Rabbi Trust Member Rabbi Trust Member Rabbi Trust Marketable Securities, 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