Accounts payable Accounts Receivable Accounts receivable, net Accrued income taxes Long term income taxes payable Other accrued liabilities Accrued compensation Less: Accumulated depreciation Less: Accumulated depreciation Net unrealized gain on available-for-sale securities Net gain (loss) on derivative instruments Unfunded portion of pension plans Unfunded portion of pension plans Accumulated Other Comprehensive Income Loss Disclosure [Text Block] Accumulated Other Comprehensive Income Loss Disclosure Foreign currency translation adjustments Accumulated other comprehensive income (loss) Accumulated other comprehensive income (loss) Adjustments to reconcile net income to net cash provided by operating activities: Share-based compensation expense related to restricted stock units/awards Stock-based compensation expense Amendment Flag Potentially dilutive shares excluded from the computation of diluted net income per share Architecture, Engineering and Construction [Member] Architecture, Engineering and Construction Asia [Member] Asia Pacific Impairment of goodwill Assets Assets, Total Assets [Abstract] ASSETS Total current assets Total current assets Current assets: Taxable auction rate securities Available-for-sale Securities, Amortized Cost Amortized Cost Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Due in 5 years through 10 years Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value Due in 5 years through 10 years Available-for-sale Securities, Debt Maturities, after One Through Five Years, Amortized Cost Due in 1 year through 5 years Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value Due in 1 year through 5 years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Due after 10 years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Due after 10 years Available-for-sale Securities, Debt Maturities, Amortized Cost Total Cost Available for Sale Securities Debt Maturities, Continuous Unrealized Loss Position, 12 Months Or Longer, Number of Positions Securities in a continuous unrealized loss position for greater than 12 months Available-for-sale Securities, Debt Maturities, Fair Value Total Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] Fair Value Available-for-sale Securities, Debt Maturities, within One Year, Amortized Cost Due in 1 year Available-for-sale Securities, Debt Maturities, within One Year, Fair Value Due in 1 year Available-for-sale Securities This item represents the unrealized gain on debt or equity securities categorized neither as held-to-maturity nor trading securities. Gross Unrealized Gains This item represents the unrealized losses on debt or equity securities categorized neither as held-to-maturity nor trading securities. Gross Unrealized Losses Gross Unrealized Losses Balance Sheet Location [Domain] 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. Leasehold improvements, land and buildings, at cost Computer software, at cost Amortized Cost Cash and cash equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of fiscal year Net increase (decrease) in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Certificates of deposit and time deposits. Certificates of deposit and time deposits Class of Stock [Domain] Closing stock price Closing stock price Commercial Paper and Corporate Securities [Member] Commercial paper and corporate securities Commercial Paper Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Common stock and additional paid-in capital Common Stock Including Additional Paid in Capital Deferred Compensation Component of Other Operating Cost and Expense, General [Axis] Component of Other Operating Cost and Expense, Name [Domain] Total comprehensive income (loss) Total comprehensive income (loss) Comprehensive Income (Loss) Comprehensive Income Table Comprehensive Income Table Computer Hardware, Gross Computer hardware, at cost Concentration Risk Benchmark [Domain] Concentration Risk by Benchmark [Axis] Concentration of Credit Risks and Significant Customers Percentage of gross accounts receivable accounted for by Tech Data Cost and Fair Value of Financial Instruments Disclosure [Text Block] Cost and Fair Value of Financial Instruments Disclosure Total cost of revenue Total cost of revenue Cost of revenue: Cost of license and other revenue Current Fiscal Year End Date Deferred compensation liability non-current Deferred compensation liability current Deferred compensation liability Debt and equity securities held in trust under non-qualified deferred compensation plans Deferred Revenue, Current Deferred revenue Deferred Revenue, Noncurrent Deferred revenue Deferred tax assets Deferred income taxes Deferred income taxes, net Depreciation and amortization Derivative Asset Designated as Hedging Instrument, Fair Value Foreign currency contracts designated as cash flow hedges Derivative Asset Not Designated as Hedging Instrument, Fair Value Derivatives not designated as hedging instruments Derivative Contract Type [Domain] Total derivative assets Total derivative assets Total derivative liabilities Total derivative liabilities Foreign currency forward and option contracts This item represents the entire disclosure related to Investments in Certain Debt and Equity Securities (and certain other trading assets) which include all debt and equity securities (other than those equity securities accounted for under the equity or cost methods of accounting) with readily determinable fair values. Other trading assets include assets that are carried on the balance sheet at fair value and held for trading purposes. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities (and other trading assets). This element is a also used to disclose the entity's entire derivative instruments and hedging activities disclosure as a single block of text. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising there from, and the amounts of and methodologies and assumptions used in determining the amounts of such items. Financial Instruments and Hedging Activities Derivative Instruments, Gain (Loss) by Derivative Instrument Risk [Axis] Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis] Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Amount and Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) Derivative Instruments, Gain (Loss) Recognized, Due to Previously Forecasted Transactions Gain (loss) recognized, due to previously forecasted transactions that did not occur within the originally specified time period or the additional period of time allowed Amount and Location of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing) Amount and Location of Gain (Loss) Recognized in Income on Derivative Amount of Gain (Loss) Recognized in Accumulated OCI on Derivatives (Effective Portion) Derivative Liability Designated as Hedging Instrument, Fair Value Foreign currency contracts designated as cash flow hedges Derivative Liability Not Designated as Hedging Instrument, Fair Value Derivatives not designated as hedging instruments Derivatives, Fair Value, by Balance Sheet Location [Axis] Derivatives, Fair Value, by Derivative Instrument Risk [Axis] Disclosure - Accumulated Other Comprehensive Income Loss, Net of Taxes [Abstract] Disclosure - Accumulated Other Comprehensive Income Loss, Net of Taxes [Abstract] Disclosure - Assumptions used to Estimate the Fair Value of Stock-Based Awards [Abstract] Disclosure - Assumptions used to Estimate the Fair Value of Stock-Based Awards [Abstract] Disclosure - Borrowing Arrangements - Additional Information [Abstract] Disclosure - Borrowing Arrangements - Additional Information [Abstract] Disclosure - Changes in the Carrying Amount of Goodwill [Abstract] Disclosure - Changes in the Carrying Amount of Goodwill [Abstract] Disclosure - Common Stock Repurchase Program - Additional Information [Abstract] Disclosure - Common Stock Repurchase Program - Additional Information [Abstract] Disclosure - Components of Other Comprehensive Income (Loss), Net of Taxes [Abstract] Disclosure - Components of Other Comprehensive Income (Loss), Net of Taxes [Abstract] Disclosure - Computation of the Numerators and Denominators used in Basic and Diluted Net Income Per Share [Abstract] Disclosure - Computation of the Numerators and Denominators used in Basic and Diluted Net Income Per Share [Abstract] Disclosure - Computer Software and Hardware, Leasehold Improvements, Furniture and Equipment and Related Accumulated Depreciation [Abstract] Disclosure - Computer Software and Hardware, Leasehold Improvements, Furniture and Equipment and Related Accumulated Depreciation [Abstract] Disclosure - Concentration of Credit Risks and Significant Customers - Additional Information [Abstract] Disclosure - Concentration of Credit Risks and Significant Customers - Additional Information [Abstract] Disclosure - Cost and Fair Value of Financial Instruments [Abstract] Disclosure - Cost and Fair Value of Financial Instruments [Abstract] Disclosure - Deferred Compensation - Additional Information [Abstract] Disclosure - Deferred Compensation - Additional Information [Abstract] Disclosure - Effects of Derivative Instruments on Income and Other Comprehensive Income [Abstract] Disclosure - Effects of Derivative Instruments on Income and Other Comprehensive Income [Abstract] Disclosure - Estimated Fair Value of Available-for-Sale Marketable Securities [Abstract] Disclosure - Estimated Fair Value of Available-for-Sale Marketable Securities [Abstract] Disclosure - Expenses Reclassified in the Condensed Consolidated Statement of Operations to Conform to Current Period Presentation [Abstract] Disclosure - Expenses Reclassified in the Condensed Consolidated Statement of Operations to Conform to Current Period Presentation [Abstract] Disclosure - Fair Value of Derivative Instruments [Abstract] Disclosure - Fair Value of Derivative Instruments [Abstract] Disclosure - Financial Instruments and Hedging Activities - Additional Information [Abstract] Disclosure - Financial Instruments and Hedging Activities - Additional Information [Abstract] Disclosure - Goodwill - Additional Information [Abstract] Disclosure - Goodwill - Additional Information [Abstract] Disclosure - Income Taxes - Additional Information [Abstract] Disclosure - Income Taxes - Additional Information [Abstract] Disclosure - Information Concerning the Operations Reportable Segments [Abstract] Disclosure - Information Concerning the Operations Reportable Segments [Abstract] Disclosure - Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted [Abstract] Disclosure - Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted [Abstract] Disclosure - Investments and Financial Instruments Measured at Fair Value on a Recurring Basis [Abstract] Disclosure - Investments and Financial Instruments Measured at Fair Value on a Recurring Basis [Abstract] Disclosure - Marketable Securities [Abstract] Disclosure - Marketable Securities [Abstract] Disclosure - Net Income (Loss) Per Share - Additional Information [Abstract] Disclosure - Net Income (Loss) Per Share - Additional Information [Abstract] Stock-Based Compensation Disclosure - Operations by Geographic Area [Abstract] Disclosure - Operations by Geographic Area [Abstract] Disclosure - Options Outstanding and Exercisable [Abstract] Disclosure - Options Outstanding and Exercisable [Abstract] Disclosure - Other Intangible Assets [Abstract] Disclosure - Other Intangible Assets [Abstract] Disclosure - Reconciliation of the Change in Level 3 Items [Abstract] Disclosure - Reconciliation of the Change in Level 3 Items [Abstract] Disclosure - Restructuring Activity [Abstract] Disclosure - Restructuring Activity [Abstract] Disclosure - Restructuring Reserve - Additional Information [Abstract] Disclosure - Restructuring Reserve - Additional Information [Abstract] Disclosure - Stock-Based Compensation - Additional Information [Abstract] Disclosure - Stock-Based Compensation - Additional Information [Abstract] Disclosure - Stock-Based Compensation Expense [Abstract] Disclosure - Stock-Based Compensation Expense [Abstract] Disclosure - Summary of Restricted Stock Award and Restricted Stock Unit Activity [Abstract] Disclosure - Summary of Restricted Stock Award and Restricted Stock Unit Activity [Abstract] Disclosure - Summary of Stock Option Activity [Abstract] Disclosure - Summary of Stock Option Activity [Abstract] Document - Document and Entity Information [Abstract] Document - Document and Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Type Domestic Line of Credit [Member] Domestic Line of Credit Basic net income per share Earnings Per Share Computation. Earnings Per Share Computation Diluted net income per share Net Income Per Share Effective Income Tax Rate, Change from Prior Period Effective tax rate increase Effective tax rates Federal statutory tax rate Effect of exchange rate changes on cash and cash equivalents Employee Qualified Stock Purchase Plan, 1998 ESP Plan [Member] ESP Plan Total compensation cost related to non-vested awards not yet recognized Employee Service Share-based Compensation, Restricted stock units and restricted shares, Unrecognized Compensation Costs on Nonvested Awards, Weighted Average Period of Recognition. Total compensation cost related to non-vested awards not yet recognized, expected to be recognized over a weighted average period (in years) Tax benefit Tax benefit Total compensation costs related to non-vested options Employee Termination Costs Stock Option Plans Employee Stock Plan, 2008 Plan [Member] Employee Stock Plan, 2008 Plan Shares remaining available for issuance for the plan. Shares available for future issuance Entity Central Index Key Entity Common Stock, Shares Outstanding Entity [Domain] Entity Filer Category Entity Registrant Name Equity Component [Domain] Europe, Middle East and Africa [Member] Europe, Middle East and Africa Fair Value, Assets and Liabilities Component Domain Fair Value, Assets and Liabilities Component Domain Fair Value, Assets and Liabilities Components Axis Fair Value, Assets and Liabilities Components 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 Recurring Basis. Fair Value, Assets and Liabilities Measured on Recurring Basis Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, by Secondary Group Type [Axis] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, by Secondary Group Type [Axis] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, by Secondary Group Types [Domain] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, by Secondary Group Types [Domain] Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis Total Fair Value, Assets Measured on Recurring Basis [Abstract] Fair Value, Assets Measured on Recurring Basis [Abstract] Assets Cash equivalents Fair Value, Assets Measured on Recurring Basis, Derivative Financial Instruments, Assets Foreign currency derivative contracts Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, Disclosure Item Amounts [Domain] The estimated net amount of existing gains (losses) on fair value hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Gain (loss) expected to be recognized into earnings Fair Value Hedging Quoted Prices in Active Markets for Identical Assets ( Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Fair Value, Liabilities Measured on Recurring Basis Total Total Fair Value, Liabilities Measured on Recurring Basis [Abstract] Liabilities Fair Value, Liabilities Measured on Recurring Basis, Derivative Financial Instruments, Liabilities Foreign currency derivative contracts Fair Value, Measured on Recurring Basis, Investments Marketable securities Fair Value Measurements Total realized/unrealized gains (losses) included in earnings Net purchases (sales) of investments Transfers into (out of) Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Ending Balance Beginning Balance Finite Lived In Process Research and Development Technology Gross In-process research and development being amortized Less: Accumulated amortization Less: Accumulated amortization Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross, Total Finite Lived Purchased Technologies Gross Purchased technologies, at cost Foreign exchange contracts Furniture and equipment, at cost Gain on disposition of assets Gain on disposition of assets General and Administrative Expense General and administrative General and administrative Goodwill Ending Balance Beginning Balance Addition arising from acquisitions Goodwill by Segment [Axis] This block of text may be used to disclose all or part of the information related to goodwill. Goodwill Disclosure Goodwill, Impaired, Possible Circumstances Leading to Impairment Impact on carrying value of goodwill Goodwill, Policy [Text Block] Goodwill, Policy Goodwill, Segment [Domain] Effect of foreign currency translation, purchase accounting adjustments and other Gross profit Gross profit Hedging Relationship [Domain] Income before income taxes Income before income taxes Income Statement [Abstract] Income Statement and Other Comprehensive Income Location [Domain] Income Taxes Provision for income taxes Provision for income taxes Discrete non-cash tax charge from recording a valuation allowance Discrete tax benefit associated with the impairment of goodwill Discrete tax benefit related to additional stock-based compensation expense Increase Decrease in License Costs due to Reclassification Increase Decrease in License Costs due to Reclassification Cost of license and other revenue Increase Decrease in Maintenance Costs due to Reclassification Increase Decrease in Maintenance Costs due to Reclassification Cost of maintenance revenue Changes in operating assets and liabilities, net of business combinations Changes in operating assets and liabilities, net of business combinations Indefinite Lived In Process Research and Development Technology In-process research and development technology Other Intangible Assets, Net Purchased technologies, net Interest and other income (expense), net Interest Income (Expense), Net [Member] Interest and other income, net Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted [Text Block] Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted Investments by Secondary Categorization [Domain] Investments, by Tier [Axis] Investments, by Tier [Axis] Investments, by Tier [Domain] Investments, by Tier [Domain] Investment Secondary Categorization [Axis] Japan [Member] Japan Lease Termination [Member] Lease Termination and Asset Costs Legal Entity [Axis] Liabilities and Stockholders' Equity Liabilities and Stockholders' Equity, Total LIABILITIES AND STOCKHOLDERS' EQUITY Total current liabilities Total current liabilities Current liabilities: License Costs Cost of license and other revenue License and other Line of credit facility, outstanding borrowings Line of Credit Facility [Axis] Line of credit facility, expiration Line of Credit Facility, Lender [Domain] Line of credit facility, maximum borrowing capacity U.S. line of credit Lower Limit [Member] Lower Limit Maintenance Costs Cost of maintenance revenue Maintenance Major Types of Debt and Equity Securities [Domain] Manufacturing [Member] Manufacturing Estimated fair value Marketable securities Estimated Fair Value Marketable securities - short-term Marketable securities Marketable securities - long-term Marketable securities Marketable Securities [Text Block] Marketable Securities Maximum [Member] Maximum Media and Entertainment [Member] Media and Entertainment Minimum [Member] Minimum Money market funds Mutual Funds [Member] Mutual Funds Net cash used in financing activities Net cash used in financing activities Financing activities: Net cash used in investing activities Net cash used in investing activities Investing activities: Net cash provided by operating activities Net cash provided by operating activities Operating activities: Net income Net income Numerator: Derivatives Not Designated as Hedging Instruments Notes to Financial Statements [Abstract] Notes to Financial Statements [Abstract] Notional amount of foreign currency option collar and forward contracts designated as cash flow hedges Notional amount of foreign currency forward contracts not designated as cash flow hedges Number of employees who were terminated during the period Restructuring program, reduced the number of employees Total operating expenses Total operating expenses Operating expenses: Operating Expenses [Member] Operating expenses Income from operations Income from operations Basis of Presentation Other Accrued Liabilities, Current Other accrued liabilities Other Americas [Member] Other Americas Other Asia Pacific [Member] Other Asia Pacific Other assets Other Businesses [Member] Other' Other Net gain (loss) on derivative instruments, net of taxes Net change in cumulative foreign currency translation gain (loss) Total other comprehensive income (loss) Total other comprehensive income (loss) Other comprehensive income (loss) Change in net unrealized gain (loss) on available-for-sale securities, net of tax Customer relationships and trade names, at cost Sum of the carrying amounts of all other intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Other Intangible Assets, Net (Excluding Goodwill) Other intangible assets, net Other liabilities Long-term available-for-sale securities Research and development Other Restructuring [Member] Others Other Other securities [Member] Other [Member] Other Outside Directors Option Plan, 2010 Plan [Member] Outside Directors Option Plan, 2010 Plan Other investing activities Other investing activities Repurchases of common stock Repurchases of common stock Business combinations, net of cash acquired Business combinations, net of cash acquired Purchase of equity investment Purchase of equity investment Purchases of marketable securities Purchases of marketable securities Capital expenditures Capital expenditures Percentage of Net Sales Total sales to the distributors Tech Data Corporation and its global affiliates ("Tech Data") relative to Autodesk's consolidated net revenue Platform Solutions and Emerging Business [Member] Platform Solutions and Emerging Business Fair Value Preferred stock Prepaid Expense, Current Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Prepaid expenses and other current assets Proceeds from issuance of common stock, net of issuance costs Draws on line of credit Maturities of marketable securities Sales of marketable securities Property, Plant and Equipment Disclosure [Text Block] Computer Equipment, Software, Furniture and Leasehold Improvements, Net Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross, Total Computer software, hardware, leasehold improvements, furniture and equipment, net Computer software, hardware, leasehold improvements, furniture and equipment, net Computer equipment, software, furniture and leasehold improvements, net Property, Plant and Equipment Range 1 Range 1 Range 2 Range 2 Range 3 Range 3 Range 4 Range 4 Range 5 Range 5 Range [Axis] Range [Axis] Range [Domain] Range [Domain] Reclassifications of amounts in the prior period financial statements to be consistent with the current period presentation. Reclassification Reconciliation of Revenue from Segments to Consolidated Redeemed Securities [Member] Redeemed Securities Disclosure of profit or loss, total assets for each reportable region, and a description of the types of products and services for each reportable region. Region Reporting Information, by 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] Repayments of line of credit Repayments of line of credit A regional component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reporting Region [Domain] Reporting Segment [Domain] Research and Development Expense Research and development Restricted Share Activity Disclosure. Restricted Share Activity Disclosure Restricted Stock and Restricted Stock Units [Member] Restricted Stock and Restricted Stock Units Restructuring Reserve Restructuring plan Restructuring charges Restructuring charges, net Restructuring - Fiscal 2009 Plan [Member] Fiscal 2009 Plan Restructuring - Fiscal 2010 Plan [Member] Fiscal 2010 Plan Restructuring Fiscal 2011 Plan [Member] Fiscal 2011 Plan Restructuring Plan Targeted Number of Staff Reductions Targeted staff reductions Restructuring Reserves Ending Balance Beginning Balance Restructuring Reserve, Total Restructuring Reserve, by Type of Restructuring [Axis] Current portion Restructuring Reserve, Expected Payments [Axis] Restructuring Reserve, Expected Payments [Axis] Restructuring Reserve, Expected Payments [Domain] Restructuring Reserve, Expected Payments [Domain] Non-current portion Additions Payments Payments Restructuring reserve adjustments, including foreign currency translation adjustments. Adjustments Retained Earnings (Accumulated Deficit) Retained earnings Retained Earnings Net revenue Total net revenue Total net revenue Net revenue Net revenue: In the period of acquisition, an Entity must disclose the characteristics of intangible assets acquired. Intangible assets are assets that have no physical form, but have expected future economic benefit. Acquired intangible assets are disclosed by major class (assets that can be grouped together because they are similar, either by their nature or by their use in operations of the Entity) and in total. Additionally, any significant residual value (the expected value of the asset at the end of its useful life) and the weighted-average amortization period must also be disclosed. Schedule of Acquired Intangible Assets by Major Class Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance Schedule of Derivative Instruments in Statement of Financial Position, Fair Value Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs Schedule of Goodwill [Text Block] Goodwill Borrowing Arrangements Recently Issued Accounting Standards Schedule of Restructuring Reserve by Type of Cost Schedule of Segment Reporting Information, by Segment Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] Schedule of Share-based Compensation, Options Activity. Schedule of Share-based Compensation, Options Activity Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range Common Stock Repurchase Program Segments Segment Reporting Information, by Segment [Axis] Selling and Marketing Expense Marketing and sales Marketing and sales Stock-based compensation expense Stock-based compensation expense related to stock awards and ESP Plan purchases Forfeited Forfeited Awarded Granted/Issued restricted stock units/awards Number of units/awards granted but unvested Ending Balance Beginning Balance Unreleased restricted stock The decrease in the number of shares potentially issuable under a share-based award plan pertaining to awards for which the grantee has gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares, other instruments, or cash in accordance with the terms of the arrangement. Released Released Expected dividends Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Forfeitures Expected forfeitures Expected lives (in years) Expected volatilities For each plan, identification of the award pricing model or other valuation method used in calculating the weighted average fair values disclosed. The model is also used to calculate the compensation expense that is shown within the balance sheet, income statement, and cash flow. Examples of valuation techniques are lattice models (binomial model), closed-form models (Black-Scholes-Merton formula), and a Monte Carlo simulation technique. Fair value is the amount at which an asset (or liability) could be bought (or incurred) or sold (or settled) in a current transaction between willing parties, that is, other than in a forced or liquidation sale. May include disclosures about the assumptions underlying application of the method selected. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used Risk-free interest rates Shares of common stock reserved for issuance Options available for grant at October 31, 2010 Weighted average price per share Options Exercisable - Number of Shares Options exercisable at October 31, 2010 Options Exercisable - Weighted average exercise price Options exercisable at October 31, 2010 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Pre-tax intrinsic value of options exercised Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Cancelled Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted Weighted average grant date fair value Weighted average grant date fair value per share of stock options granted Options Outstanding - Number of Shares Ending Balance Beginning Balance Number of Shares Options Outstanding - Weighted average exercise price End of period Beginning of period Options Exercisable - Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued, Average Price Shares issued under the ESP Plan, average price Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Share-based Compensation, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term Options Exercisable - Weighted average contractual life (in years) Share-based Compensation, Net of tax Stock-based compensation expense related to stock awards and ESP Plan purchases, net of tax Stock-based compensation expense related to stock awards and ESP Plan purchases, net of tax Share based Compensation, Non Vested Options, Outstanding, Weighted Average Remaining Contractual Term Total compensation costs related to non-vested options, expected to be recognized over a weighted average period (in years) Share-based Compensation, Options Outstanding, Exercise Price Range, Lower Range Limit Range of per-share exercise prices, Lower Limit Share-based Compensation, Options Outstanding, Exercise Price Range, Upper Range Limit Range of per-share exercise prices, Upper Limit Share-based Compensation, Options, Outstanding, Weighted Average Remaining Contractual Term Options Outstanding - Weighted average contractual life (in years) Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Shares subject to repurchase. Shares remained available for repurchase under stock repurchase program Short-term available-for-sale securities Sovereign Debt Class of Stock [Axis] Statement, Equity Components [Axis] Statement [Line Items] Statement of Cash Flows [Abstract] Statement of Financial Position [Abstract] Statement [Table] Total stockholders' equity Total stockholders' equity Stockholders' equity: Shares issued under the ESP Plan Repurchased shares of its common stock on the open market, shares Repurchased shares of its common stock on the open market, value Total Americas [Member] Americas Short-term investment portfolio Trading Securities at Cost Cost basis Trading Securities, Unrealized Gain (Loss) Net unrealized gains (losses) Trading Symbol Repurchased shares of its common stock on the open market, average repurchase price per share Type of Restructuring [Domain] Unallocated Reportable Segment [Member] Unallocated United States [Member] United States Gross unrecognized tax benefits Items that would result in balance sheet reclassification only, with no impact to income tax expense Amount of unrecognized tax benefits that would impact the effective tax rate, if recognized Upper Limit [Member] Upper Limit US government agency securities Municipal securities U.S. Treasury Securities and Sovereign Debt [Member] U.S. Treasury Securities and Sovereign Debt U.S. Treasury Securities Effect of dilutive securities Shares used in computing diluted net income per share Denominator for dilutive net income per share Denominator: Denominator for basic net income per share - weighted average shares Shares used in computing basic net income per share