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Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Goodwill, Impairment Loss Goodwill, Impairment Loss Accounts receivable, net of allowances of $1,276 and $1,441, respectively Accounts Receivable, after Allowance for Credit Loss, Current Total Lessee, Operating Lease, Liability, to be Paid Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Threshold trading days Debt Instrument, Convertible, Threshold Trading Days Estimated useful lives of property and equipment Estimated Useful Lives of Property Plant and Equipment [Abstract] Estimated useful lives of property plant and equipment. 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Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Principal Debt Instrument, Face Amount Level 2 Fair Value, Inputs, Level 2 [Member] Salaries, payroll taxes and benefits Other Payroll Accruals Current Other Payroll Accruals, Current portion Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period General and administrative General and Administrative Expense [Member] Total EMEA EMEA EMEA [Member] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Revenue, performance obligations, timing Revenue, Performance Obligation, Description of Timing Goodwill and Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Accruals and reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Vested and expected to vest as of July 31, 2020 (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Convertible conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Tax effects of temporary differences Components of Deferred Tax Assets [Abstract] Goodwill, Intangible Assets and Long Lived Assets Impairment [Abstract] Goodwill, Intangible Assets and Long Lived Assets Impairment [Abstract] Goodwill, Intangible Assets and Long Lived Assets Impairment [Abstract] Basic (in USD per share) Earnings Per Share, Basic Unrecognized tax benefits Unrecognized Tax Benefits that Would Impact Effective Tax Rate Number of operating segments Number of Operating Segments Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Entity File Number Entity File Number Services Services Gross Profit Services gross profit. Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Debt Disclosure [Abstract] Debt Disclosure [Abstract] Weighted average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Non-deductible acquisition costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Costs, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Costs, Amount Sales and marketing Selling and Marketing Expense Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Thereafter Contractual Obligation, to be Paid, after Year Five Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Total stock-based compensation expense Share-based Payment Arrangement, Expense Royalty Obligations Royalty Obligations [Abstract] Royalty Obligations [Abstract] Unrecognized tax benefit - beginning of period Unrecognized tax benefit - end of period Unrecognized Tax Benefits Common stock, par value $0.0001 per share—500,000,000 shares authorized as of July 31, 2020 and 2019; 83,461,925 and 82,140,883 shares issued and outstanding as of July 31, 2020 and 2019, respectively Common Stock, Value, Issued Long-term investments Long-term Investments Noncurrent contract cost Capitalized Contract Cost, Net, Noncurrent Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Document Annual Report Document Annual Report 2022 Finite-Lived Intangible Asset, Expected Amortization, Year Two Commercial paper Commercial Paper [Member] Tax Cuts And Jobs Act, Change In Tax Rate, Base Erosion And Anti-Abuse Tax Liability Tax Cuts And Jobs Act, Change In Tax Rate, Base Erosion And Anti-Abuse Tax Liability Tax Cuts And Jobs Act, Change In Tax Rate, Base Erosion And Anti-Abuse Tax Liability Exercisable as of July 31, 2020 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Tax benefit from stock-based compensation Share-based Payment Arrangement, Expense, Tax Benefit Accounts Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Number of customers concentration of credit risk revenues Number of Customers Concentration Of Credit Risk Number of Customers Concentration Of Credit Risk Entity Current Reporting Status Entity Current Reporting Status Retirement Benefits [Abstract] Retirement Benefits [Abstract] Total Amortization of Debt Issuance Costs and Discounts And Debt Interest Expense Amortization of Debt Issuance Costs and Discounts And Debt Interest Expense Net Income (Loss) per Share Earnings Per Share, Policy [Policy Text Block] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Unbilled accounts receivable Increase (Decrease) in Contract with Customer, Asset Granted (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 Estimated useful lives of property and equipment Property, Plant and Equipment, Estimated Useful Lives CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Common Stock, Shares, Issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Public Offering and Convertible Senior Notes Debt, Policy [Policy Text Block] Company Nature of Operations [Policy Text Block] Nature of operations. Total lease liability balance Total lease liability balance Operating Lease, Liability Total deferred tax liabilities Deferred Tax Liabilities, Net Capitalized software development costs Capitalized Computer Software, Net 2024 Contractual Obligation, to be Paid, Year Four Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss Less than 12, Months, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Concentration of Credit Risk [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Debt Instrument [Line Items] Debt Instrument [Line Items] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total stockholders’ equity Balance, beginning Balance, ending Stockholders' Equity Attributable to Parent Foreign income taxed at different rates Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Concentration Risk Type [Domain] Concentration Risk Type [Domain] Operating lease assets Increase (Decrease) In Operating Lease, Right-Of-Use Asset Increase (Decrease) In Operating Lease, Right-Of-Use Asset TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Income Taxes Income Tax Disclosure [Text Block] Acquired technology Acquired Technology [Member] Acquired Technology [Member] Entity Address, City or Town Entity Address, City or Town Accrued employee compensation Total Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Restricted stock units RSUs Restricted Stock Units (RSUs) [Member] Operating lease cost Operating Lease, Cost 2025 Lessee, Operating Lease, Liability, to be Paid, Year Five General and administrative General and Administrative Expense Financial Instrument [Axis] Financial Instrument [Axis] Type of Adoption [Domain] Accounting Standards Update [Domain] Outstanding shares of common stock equivalents (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Total current Current Income Tax Expense (Benefit) 2024 Purchase Commitments Future Minimum Payments Due in Four Years Purchase Commitments Future Minimum Payments Due in Four Years Other non-cash items affecting net income (loss) Other Noncash Income (Expense) Short-term lease cost Short-term Lease, Cost Gross increases - current period tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Gross increases - prior period tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Remaining Weighted-Average Useful Life (in years) Finite-Lived Intangible Asset, Useful Life Equity Component [Domain] Equity Component [Domain] Operating lease assets Deferred Tax Liabilities, Leasing Arrangements Less valuation allowance Valuation allowance Deferred Tax Assets, Valuation Allowance Stockholders' Equity and Stock-based Compensation [Abstract] Stockholders' Equity and Stock-based Compensation [Abstract] Stockholders' equity and stock-based compensation. Total gross profit Gross Profit Property and equipment, net     Property and equipment, net Property, Plant and Equipment, Net 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Three Entity Tax Identification Number Entity Tax Identification Number Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Interest income Interest Income (Expense), Nonoperating, Net Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Other current liabilities Other current liabilities Other Liabilities, Current Maximum increase in percentage of outstanding number of shares of the Company's common stock (as a percent) Maximum Increase in Percentage of Outstanding Number of Shares of Company's Common Stock Maximum increase in percentage of outstanding number of shares of company's common stock. Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Leasehold improvements Leasehold Improvements, Gross Leases [Abstract] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Operating expenses: Operating Expenses [Abstract] Operating loss carryforwards Operating Loss Carryforwards Earnings per share: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Tax effects of temporary differences Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Expected to vest as of July 31, 2020 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Allowance for Doubtful Accounts Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] Share based compensation expense, performance based awards Share Based Compensation Expense, Performance Based Awards Share Based Compensation Expense, Performance Based Awards recognized in period Total, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Accrued employee compensation Accrued Employee Compensation [Abstract] Accrued employee compensation. Purchased software Capitalized Computer Software, Gross STOCKHOLDERS’ EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Tax credits Deferred Tax Assets, Tax Credit Carryforwards Number of Stock Options Outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Fiscal Period Focus Document Fiscal Period Focus Issuance of common stock upon restricted stock units ("RSU") release Stock Issued During Period, Value, Restricted Stock Award, Gross Software Development Software Development [Member] Lease not yet commenced, term Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Certificates of deposit Certificates of Deposit [Member] Released Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Purchases of available-for-sale securities Payments to Acquire Available-for-sale Securities Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Debt instrument, redemption. percentage Debt Instrument, Redemption Price, Percentage Entity Filer Category Entity Filer Category Stock-based compensation expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] 2022 Long-Term Debt Future Minimum Payments, Due In Two Years Long-Term Debt Future Minimum Payments, Due In Two Years Common stock Common stock Common Stock [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Total Contractual Obligation, Fiscal Year Maturity Schedule [Abstract] Gross profit: Gross Profit [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Contract costs Capitalized Contract Cost, Net, Current Cost of license revenue Cost of License Revenues [Member] Cost of License Revenues [Member] 2025 Purchase Commitments Future Minimum Payments Due in Five Years Purchase Commitments Future Minimum Payments Due in Five Years Company's contributions Defined Contribution Plan, Cost Convertible Debt Convertible Debt [Member] Deferred costs Deferred Costs, Noncurrent Property and equipment Property, Plant and Equipment [Table Text Block] Less than 12 Months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Cost of subscription and support revenue Cost of Maintenance Revenues [Member] Cost of Maintenance Revenues [Member] Provision for income taxes Income Tax Expense (Benefit), Continuing Operations [Abstract] U.S. Government bonds US Treasury Securities [Member] Less foreign capitalized commissions Deferred Tax Liabilities, Foreign Capitalized Commissions Deferred Tax Liabilities, Foreign Capitalized Commissions Public offering, net of issuance cost (in shares) Shares issued during period (in shares) Stock Issued During Period, Shares, New Issues Leasehold improvements Leasehold Improvements [Member] Cost Finite-Lived Intangible Assets, Gross Convertible senior notes, net Senior Notes Stated interest rate Debt Instrument, Interest Rate, Stated Percentage License License Gross Profit License gross profit. Money market funds Money Market Funds [Member] Charges to bad debt and revenue reserves Accounts Receivable, Credit Loss Expense (Reversal) Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Unbilled accounts receivable, net Contract with Customer, Asset, after Allowance for Credit Loss, Current Vested and expected to vest as of July 31, 2020 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Issuance of common stock upon exercise of stock options (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Impairment loss Strategic Investment, Impairment Loss Strategic Investment, Impairment Loss NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Average expected volatility of the peer companies in the S&P Index Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate of Peer Companies in Index Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate of Peer Companies in Index Amortized Cost Available-for-sale Securities, Amortized Cost Basis Unrealized gains (losses) on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Summary of Lease Maturities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Effective Income Tax Reconciliation Effective Income Tax Rate Reconciliation, Amount [Abstract] Stock options Stock Awards Share-based Payment Arrangement, Option [Member] Basis of Presentation and Consolidation Basis of Accounting, Policy [Policy Text Block] Permanent differences and others Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 2024 Long-Term Debt Future Minimum Payments, Due In Four Years Long-Term Debt Future Minimum Payments, Due In Four Years Investments in unrealized loss position Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax State Deferred State and Local Income Tax Expense (Benefit) Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Revenue Revenue from Contract with Customer [Text Block] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Tax Period [Domain] Tax Period [Domain] Long-term Debt, Fiscal Year 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Obligations Future Minimum Payments Due Year One Royalty obligations future minimum payments due current. Depreciation expense Depreciation Entity Address, Address Line One Entity Address, Address Line One Gross decreases - prior period tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Deferred revenue, net Contract with Customer, Liability Entity Emerging Growth Company Entity Emerging Growth Company Issuance of common stock upon exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Total stock-based compensation expense, net of tax effect Share-based Payment Arrangement, Expense, after Tax Threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Total deferred Deferred Income Tax Expense (Benefit) 2024 Royalty Obligations Future Minimum Payments Due in Four Years Royalty obligations future minimum payments due in four years. 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