Share-based Payment Arrangement [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Hedvig, Inc.
Hedvig, Inc. [Member]
Hedvig, Inc. [Member]
Plan Name [Axis]
Plan Name [Axis]
Plan Name [Domain]
Plan Name [Domain]
2016 Incentive Plan
2016 Incentive Plan [Member]
2016 Incentive Plan [Member]
2006 Long-Term Stock Inventive Plan
2006 Long-Term Stock Inventive Plan [Member]
2006 Long-Term Stock Inventive Plan [Member]
Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Award Type [Domain]
Restricted stock units
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of common stock that may be delivered under plan (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Addition shares authorized (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized
Number of shares Issued in acquisition
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares
Weighted average grant date fair value, granted (in dollars 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
Number of stock incentive plans
Share-based Compensation Arrangement by Share-based Payment Award, Stock Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Stock Incentive Plans
Options available for future grant (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Stock options granted, vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Unrecognized stock-based compensation expense
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Awards expected to be recognized over a weighted average period (in years)
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Total intrinsic value of options exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Total fair value of restricted stock units - vested
Fair Value Of Restricted Stock Units Vested Total
Fair value of restricted stock units vested total.
Restricted stock awards and performance based awards
Performance Shares And Restricted Stock Units [Member]
Performance Shares And Restricted Stock Units [Member]
Title of Individual [Axis]
Title of Individual [Axis]
Title of Individual [Domain]
Title of Individual [Domain]
Chief executive officer
Chief Executive Officer [Member]
Award expiration period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Original period from last date of employment exercisable
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Original Period From Last Date Of Employment Exercisable
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Original Period From Last Date Of Employment Exercisable
Compensation expense
Share-based Payment Arrangement, Expense
Quarterly Financial Information Disclosure [Abstract]
Selected Quarterly Financial Data (unaudited)
Quarterly Financial Information [Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill
Schedule of Goodwill [Table Text Block]
Purchased Intangible Assets, Net of Amortization
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
Schedule of Finite-Lived Intangible Assets Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Property, Plant and Equipment [Abstract]
Depreciation and amortization expense
Depreciation
Property and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Lease abandonment charges
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
Beginning balance
Restructuring Reserve
Restructuring charges, net
Restructuring Charges, Net
Restructuring Charges, Net
Payments
Payments for Restructuring
Ending balance
Restructuring charges, number of leases
Restructuring Charges, Number Of Leases
Restructuring Charges, Number Of Leases
Accrual reversals
Restructuring Reserve, Accrual Adjustment
Schedule of Stock Option Activity
Share-based Payment Arrangement, Option, Activity [Table Text Block]
Schedule of Restricted Stock Unit Activity
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
Stock-Based Compensation Expense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Accounting Policies [Abstract]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Non-cancellable purchase commitments, 2021
Recorded Unconditional Purchase Obligation Due in Next Twelve Months
Non-cancellable purchase commitments, 2022
Recorded Unconditional Purchase Obligation Due in Second Year
Non-cancellable purchase commitments, 2023
Recorded Unconditional Purchase Obligation Due in Third Year
Non-cancellable purchase commitments, 2024 and beyond
Recorded Unconditional Purchase Obligation Due in Fourth Year And Thereafter
Recorded Unconditional Purchase Obligation Due in Fourth Year And Thereafter
Non-cancellable purchase commitments, Total for all periods through fiscal 2023
Recorded Unconditional Purchase Obligation
Royalty expense
Royalty Expense
Maximum software warranty period (in days)
Maximum Software Warranty Period
Maximum software warranty period.
Product warranty accrual
Standard and Extended Product Warranty Accrual
Rental expense
Operating Leases, Rent Expense, Net
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Revenue, Shipping and Handling Costs, Deferred Commissions Cost, Deferred Revenue, and Shipping and Handling Costs
Revenue from Contract with Customer [Policy Text Block]
Sales Tax
Sales Tax Policy [Policy Text Block]
Disclosure of accounting policy for sales tax, including whether the costs are included in revenue.
Accounting for Stock-Based Compensation
Compensation Related Costs, Policy [Policy Text Block]
Software Development Costs
Research, Development, and Computer Software, Policy [Policy Text Block]
Advertising Costs
Advertising Cost [Policy Text Block]
Accounting for Income Taxes
Income Tax, Policy [Policy Text Block]
Foreign Currency Translation
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Net Income per Common Share
Earnings Per Share, Policy [Policy Text Block]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Short-term Investments
Marketable Securities, Policy [Policy Text Block]
Trade and Other Receivables
Receivable [Policy Text Block]
Concentration of Credit Risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Fair Value of Financial Instruments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Leases
Lessee, Leases [Policy Text Block]
Property and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Asset Retirement Obligation
Asset Retirement Obligation [Policy Text Block]
Goodwill and Intangible Assets
Goodwill and Intangible Assets, Policy [Policy Text Block]
Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Share Repurchases
Stock Repurchases Policy [Policy Text Block]
Describes an entities policy for shares repurchased under its stock plan.
Comprehensive Income (Loss)
Comprehensive Income, Policy [Policy Text Block]
Recently Issued Accounting Standards
New Accounting Pronouncements, Policy [Policy Text Block]
Stock Plans
Share-based Payment Arrangement [Text Block]
Leases [Abstract]
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2016-02
Accounting Standards Update 2016-02 [Member]
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
Operating lease assets
Operating Lease, Right-of-Use Asset
Operating lease liabilities
Operating Lease, Liability
Additions of operating lease assets
Increase (Decrease) In Operating Lease, Right Of Use Asset
Increase (Decrease) in Operating Lease, Right Of Use Asset
Cash paid for operating lease liabilities
Operating Lease, Payments
Weighted-average remaining operating lease term
Operating Lease, Weighted Average Remaining Lease Term
Weighted-average discount rate, operating leases
Operating Lease, Weighted Average Discount Rate, Percent
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Domain]
Product and Service [Domain]
Software and Products Revenue
Software [Member]
Software [Member]
Customer Support Revenue
Customer Support [Member]
Customer Support [Member]
Professional Services
Professional Services [Member]
Professional Services [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Americas
Americas [Member]
EMEA
EMEA [Member]
APJ
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Total revenues
Revenue from Contract with Customer, Excluding Assessed Tax
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Purchase consideration
Business Combination, Consideration Transferred
Cash paid
Payments to Acquire Businesses, Gross
Fair value of restricted stock units included in purchase price
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Contingent consideration
Business Combination, Contingent Consideration, Liability
Net change in contingent consideration
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
Compensation arrangements, vesting period
Cash payments to shareholders following the date of acquisition
Business Combination, Consideration Transferred, After Acquisition Date
Business Combination, Consideration Transferred, After Acquisition Date
Cash payments to shareholders following the date of acquisition, period
Business Combination, Consideration Transferred, After Acquisition Date, Period
Business Combination, Consideration Transferred, After Acquisition Date, Period
Contingent consideration arrangements range of outcomes value high
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Restricted cash released
Restricted Cash, Released Amount
Restricted Cash, Released Amount
Revenue of acquiree since acquisition date
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual
Net loss of acquiree since acquisition date
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual
Acquisition related costs
Business Combination, Acquisition Related Costs
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Domestic
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Foreign
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Income (loss) before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Cash paid at closing
Total purchase price
Cash
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Trade accounts receivable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables
Other current assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other
Property and equipment
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Accounts payable and accrued liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable
Deferred revenue
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contract With Customer, Liability
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contract With Customer, Liability
Operating lease liability, net of operating lease assets
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Liability, Net
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Liability, Net
Deferred tax liability
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities
Total identifiable net assets acquired and liabilities assumed
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Goodwill
Goodwill
Total purchase price
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Components of Income Before Income Taxes
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Components of Income Tax Expense (Benefit)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Reconciliation of Statutory Tax Rates and Effective Tax Rates
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Components of Deferred Tax Assets
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Reconciliation of Amounts of Unrecognized Tax Benefits
Summary of Income Tax Contingencies [Table Text Block]
Deferred Revenue Arrangement, by Type [Table]
Deferred Revenue Arrangement, by Type [Table]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Deferred revenue
Deferred Revenue, Current [Member]
Deferred Revenue, Current [Member]
Deferred revenue, less current portion
Deferred Revenue, Noncurrent [Member]
Deferred Revenue, Noncurrent [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue Arrangement [Line Items]
Contract With Customer, Liability, Current [Roll Forward]
Contract With Customer, Liability, Current [Roll Forward]
Contract with Customer, Liability, Current [Roll Forward]
Opening Balance
Contract with Customer, Liability, Current
Increase/(decrease), net
Contract With Customer, Liability, Current, Increase (Decrease)
Contract With Customer, Liability, Current, Increase (Decrease)
Ending Balance
Contract With Customer, Liability, Noncurrent [Roll Forward]
Contract With Customer, Liability, Noncurrent [Roll Forward]
Contract With Customer, Liability, Noncurrent [Roll Forward]
Opening Balance
Contract with Customer, Liability, Noncurrent
Increase/(decrease), net
Contract With Customer, Liability, Noncurrent, Increase (Decrease)
Contract With Customer, Liability, Noncurrent, Increase (Decrease)
Ending Balance
Supplemental pro forma, Revenue
Business Acquisition, Pro Forma Revenue
Supplemental pro forma, Net Loss
Business Acquisition, Pro Forma Net Income (Loss)
Stock options, restricted stock units, and shares under the employee stock purchase plan (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
PSU
Performance Restricted Stock Units [Member]
Performance Restricted Stock Units [Member]
Market performance shares
Performance Shares [Member]
Number of awards, granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Number of annual tranches
Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Annual Tranches
Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Annual Tranches
Maximum potential for awards to vest
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Maximum Potential To Vest
Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Maximum Potential To Vest
Maximum number of awards to vest (in shares)
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Maximum Number Of Shares To Vest
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Maximum Number Of Shares To Vest
Percentage of shares eligible to vest
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Level 1
Fair Value, Inputs, Level 1 [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Level 3
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments
Debt Securities, Held-to-maturity, Fair Value
Cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Total assets
Assets, Fair Value Disclosure
Contingent consideration
Sources of primary revenue
Sources Of Primary Revenue
The number of sources of revenue in a typical sales agreement.
Customer support agreement term
Customer Support Agreement
The typical length of Customer Support Agreements.
Number of operating segments
Number of Operating Segments
Revenue recognized in period, included in opening deferred revenue balance
Contract with Customer, Liability, Revenue Recognized
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized from remaining performance obligations
Revenue, Remaining Performance Obligation, Amount
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Restricted cash
Restricted Cash, Current
Short-term investments
Short-term Investments
Trade accounts receivable, net
Accounts Receivable, after Allowance for Credit Loss, Current
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Property and equipment, net
Property, Plant and Equipment, Net
Deferred commissions cost
Capitalized Contract Cost, Net, Noncurrent
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Other assets
Other Assets, Noncurrent
Total assets
Assets
LIABILITIES AND STOCKHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Current Liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued liabilities
Accrued Liabilities, Current
Current portion of operating lease liabilities
Operating Lease, Liability, Current
Deferred revenue
Total current liabilities
Liabilities, Current
Deferred revenue, less current portion
Deferred tax liabilities, net
Deferred Income Tax Liabilities, Net
Long-term operating lease liabilities
Operating Lease, Liability, Noncurrent
Other liabilities
Other Liabilities, Noncurrent
Commitments and contingencies (Notes 8 and 15)
Commitments and Contingencies
Stockholders’ equity:
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, $0.01 par value: 50,000 shares authorized, no shares issued and outstanding
Preferred Stock, Value, Issued
Common stock, $0.01 par value, 250,000 shares authorized, 46,011 shares and 45,582 shares issued and outstanding at March 31, 2020 and 2019, respectively
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total stockholders’ equity
Stockholders' Equity Attributable to Parent
Total liabilities and stockholders’ equity
Liabilities and Equity
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance
Unrecognized Tax Benefits
Additions for tax positions related to current fiscal period
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Additions for tax positions related to prior years
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Settlements and effective settlements with tax authorities and remeasurements
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Reductions related to the expiration of statutes of limitations
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Foreign currency translation adjustment
Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation
Ending balance
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current:
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal
Current Federal Tax Expense (Benefit)
State
Current State and Local Tax Expense (Benefit)
Foreign
Current Foreign Tax Expense (Benefit)
Deferred:
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal
Deferred Federal Income Tax Expense (Benefit)
State
Deferred State and Local Income Tax Expense (Benefit)
Foreign
Deferred Foreign Income Tax Expense (Benefit)
Income tax expense (benefit)
Income Tax Expense (Benefit)
Segment Reporting [Abstract]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
United States
UNITED STATES
Other
Non-US [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets
Long-Lived Assets
Number of Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of Awards, Non-vested beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Number of Awards, Granted (in shares)
Number of Awards, Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Number of Awards, Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Number of Awards, Non-vested ending balance (in shares)
Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average grant Date Fair Value, Non-vested beginning balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Weighted Average grant Date Fair Value, Granted (in dollars per share)
Weighted Average grant Date Fair Value, Vested (in dollars 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
Weighted Average grant Date Fair Value, Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Weighted Average grant Date Fair Value, Non-vested ending balance (in dollars per share)
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Trade accounts receivable
Trade Accounts Receivable [Member]
Other assets
Other Assets [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable [Roll Forward]
Accounts Receivable [Roll Forward]
Accounts Receivable [Roll Forward]
Opening Balance
Accounts Receivable, after Allowance for Credit Loss
Increase/(decrease), net
Increase (Decrease) in Accounts Receivable
Ending Balance
Unbilled Receivable (current) [Roll Forward]
Contract With Customer, Asset, Net, Current [Roll Forward]
Contract With Customer, Asset, Net, Current [Roll Forward]
Opening Balance
Contract with Customer, Asset, Net, Current
Increase/(decrease), net
Contract With Customer, Asset, Net, Current, Increase (Decrease)
Contract With Customer, Asset, Net, Current, Increase (Decrease)
Ending Balance
Unbilled Receivable (long-term) [Roll Forward]
Contract With Customer, Asset, Net, Noncurrent [Roll Forward]
Contract With Customer, Asset, Net, Noncurrent [Roll Forward]
Opening Balance
Contract with Customer, Asset, Net, Noncurrent
Increase/(decrease), net
Contract With Customer, Asset, Net, Noncurrent, Increase (Decrease)
Contract With Customer, Asset, Net, Noncurrent, Increase (Decrease)
Ending Balance
Segment Information
Segment Reporting Disclosure [Text Block]
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Schedule II - Valuation and Qualifying Accounts
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Purchase Plan
Employee Stock [Member]
Purchase price as a percentage of fair market value
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent
Length of offering period (in months)
Share-based Compensation Arrangement by Share-based Payment Award, Offering Period
Share-based Compensation Arrangement by Share-based Payment Award, Offering Period
Maximum employee payroll percent deduction of salary
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate
Maximum amount of stock purchasable by employees within a calendar year
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Annual Purchases Per Employee, Amount
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Annual Purchases Per Employee, Amount
Number of shares purchased by employees (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Proceeds received
Proceeds from Stock Plans
Stock-Based Compensation
Stock-Based Compensation [Member]
Stock-Based Compensation [Member]
Restructuring charges
Restructuring Charges
Earnings Per Share, Basic and Diluted [Abstract]
Earnings Per Share, Basic and Diluted [Abstract]
Diluted net income (loss) per common share:
Earnings Per Share, Diluted [Abstract]
Basic weighted average shares outstanding (shares)
Weighted Average Number of Shares Outstanding, Basic
Dilutive effect of stock options, restricted stock units, and employee stock purchase plan (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Diluted weighted average shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Operating Lease Cost
Operating Lease, Cost
Short-term Lease Cost
Short-term Lease, Cost
Variable Lease Cost
Variable Lease, Cost
Net Lease Cost
Lease, Cost
2021
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year
2022
Lessee, Operating Lease, Liability, Payments, Due Year Two
2023
Lessee, Operating Lease, Liability, Payments, Due Year Three
2024
Lessee, Operating Lease, Liability, Payments, Due Year Four
2025
Lessee, Operating Lease, Liability, Payments, Due Year Five
Thereafter
Lessee, Operating Lease, Liability, Payments, Due after Year Five
Total Minimum Lease Payments
Lessee, Operating Lease, Liability, Payments, Due
Less: Imputed Interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Present value of operating lease liabilities
Less: Current Portion of operating lease liabilities
Long-term operating lease liabilities
Tax Credit Carryforward [Table]
Tax Credit Carryforward [Table]
Tax Credit Carryforward [Axis]
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name [Domain]
Tax Credit Carryforward, Name [Domain]
Research Tax Credit Carryforward
Research Tax Credit Carryforward [Member]
Tax Period [Axis]
Tax Period [Axis]
Tax Period [Domain]
Tax Period [Domain]
NOL expiring between 2034 and 2036
NOL Expiring Between 2034 And 2036 [Member]
NOL Expiring Between 2034 And 2036 [Member]
NOLs not expiring
NOLs Not Expiring [Member]
NOLs Not Expiring [Member]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
State and local
State and Local Jurisdiction [Member]
Federal
Domestic Tax Authority [Member]
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward [Line Items]
CARES Act, estimated cash refunds from carrying back NOLs
CARES Act, Estimated Cash Refunds From Carrying Back NOLs
CARES Act, Estimated Cash Refunds From Carrying Back NOLs
Tax Cuts and Jobs Act, one-time transition tax
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Income Tax Expense
NOL carry forwards
Operating Loss Carryforwards
Deferred tax asset, state NOLs
Deferred Tax Assets, Operating Loss Carryforwards, State and Local
Research tax credit
Tax Credit Carryforward, Amount
Unrecognized Tax Benefits
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract]
Remaining unrecognized tax benefits
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit
Interest and penalties
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense
Revenue
Revenue from Contract with Customer [Text Block]
Statement of Cash Flows [Abstract]
Cash flows from operating activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)
Net Income (Loss) Attributable to Parent
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization
Noncash stock-based compensation
Share-based Payment Arrangement, Noncash Expense
Non-cash change in contingent consideration
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Equity in loss of affiliate
Income (Loss) from Equity Method Investments
Amortization of deferred commissions cost
Amortization of Deferred Sales Commissions
Impairment of operating lease assets
Operating Lease, Impairment Loss
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Trade accounts receivable
Increase (Decrease) in Receivables
Operating lease assets and liabilities, net
Increase (Decrease) In Operating Lease, Right-Of-Use Asset And Liability, Net
Increase (Decrease) In Operating Lease, Right-Of-Use Asset And Liability, Net
Other current assets and Other assets
Increase (Decrease) in Other Operating Assets
Deferred commissions cost
Increase (Decrease) In Deferred Sales Commissions
Increase (Decrease) in Deferred Sales Commissions
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued liabilities
Increase (Decrease) in Accrued Liabilities
Deferred revenue
Increase (Decrease) in Contract with Customer, Liability
Other liabilities
Increase (Decrease) in Other Operating Liabilities
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of short-term investments
Payments to Acquire Short-term Investments
Proceeds from maturity of short-term investments
Proceeds from Sale of Short-term Investments
Purchase of property and equipment
Payments to Acquire Property, Plant, and Equipment
Payments to Acquire Businesses, Net of Cash Acquired
Payments to Acquire Businesses, Net of Cash Acquired
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repurchase of common stock
Payments for Repurchase of Common Stock
Proceeds from stock-based compensation plans
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Effects of exchange rate — changes in cash
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Net increase (decrease) in cash, cash equivalents and restricted cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Cash, cash equivalents and restricted cash at beginning of year
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash, cash equivalents and restricted cash at end of year
Supplemental disclosures of cash flow information
Supplemental Cash Flow Information [Abstract]
Interest paid
Interest Paid, Excluding Capitalized Interest, Operating Activities
Income taxes paid
Income Taxes Paid
Schedule of Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Property, Plant and Equipment, Type
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Land
Land [Member]
Buildings
Building [Member]
Computers, servers and other equipment
Computer Equipment [Member]
Furniture and fixtures
Furniture and Fixtures [Member]
Leasehold improvements
Leasehold Improvements [Member]
Purchased software
Computer Software, Intangible Asset [Member]
Construction in process
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property and equipment, gross
Property, Plant and Equipment, Gross
Less: Accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment, net
Long-term Purchase Commitment
Long-term Purchase Commitment [Table Text Block]
Schedule of Royalty Expense
Schedule Of Royalty Expense [Table Text Block]
Schedule Of Royalty Expense [Table Text Block]
Restructuring
Restructuring and Related Activities Disclosure [Text Block]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
Valuation Allowances and Reserves Type
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
Allowance for doubtful accounts
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Valuation allowance for deferred taxes
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Charged (Credited) to Costs and Expenses
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense
Write-offs/Deductions
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Balance at End of Year
Equity [Abstract]
Capitalization
Capitalization [Text Block]
Entities disclosure for capitalization.
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Total revenue
Revenues
Gross margin
Gross Profit
Net income (loss)
Net income (loss) per common share:
Earnings Per Share [Abstract]
Basic (in dollars per share)
Earnings Per Share, Basic
Diluted (in dollars per share)
Earnings Per Share, Diluted
Income Taxes
Income Tax Disclosure [Text Block]
Payables and Accruals [Abstract]
Accrued Liabilities
Schedule of Accrued Liabilities [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Developed technology
Developed Technology Rights [Member]
Customer relationships
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Gross
Finite-Lived Intangible Assets, Gross
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Net Assets
Finite-Lived Intangible Assets, Net
Amortization expenses
Amortization of Intangible Assets
Remaining Useful Life (months)
Finite-Lived Intangible Asset, Useful Life
Cover [Abstract]
Document Type
Document Type
Document Annual Report
Document Annual Report
Document Period End Date
Document Period End Date
Document Transition Report
Document Transition Report
Entity File Number
Entity File Number
Entity Registrant Name
Entity Registrant Name
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, City or Town
Entity Address, State or Province
Entity Address, State or Province
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Title of 12(b) Security
Title of 12(b) Security
Trading Symbol
Trading Symbol
Security Exchange Name
Security Exchange Name
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Interactive Data Current
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Shell Company
Entity Shell Company
Entity Public Float
Entity Public Float
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference
Documents Incorporated by Reference [Text Block]
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Business Combination
Business Combination Disclosure [Text Block]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2021
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2022
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2023
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2024
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2025
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Accrued Liabilities
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk
Customer Concentration Risk [Member]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Arrow
Arrow [Member]
Arrow [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Revenue
Revenue Benchmark [Member]
Accounts Receivable
Accounts Receivable [Member]
Range
Statistical Measurement [Axis]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Advertising expenses
Advertising Expense
Net foreign currency transaction gain
Foreign Currency Transaction Gain (Loss), before Tax
Concentration percentage
Concentration Risk, Percentage
Property and equipment, depreciation period (in years)
Property, Plant and Equipment, Useful Life
Asset retirement obligation
Asset Retirement Obligation
Asset impairment charges
Asset Impairment Charges
Software updates and customer support costs amortization period
Capitalized Contract Cost, Amortization Period
Number of reportable segments
Statement of Comprehensive Income [Abstract]
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Schedule of Restructuring Accruals
Restructuring and Related Costs [Table Text Block]
Retirement Benefits [Abstract]
Company contributions to defined contribution plan
Defined Benefit Plan, Plan Assets, Contributions by Employer
Number of Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Options, Outstanding beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Number of Options, Options granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures
Number of Options, Options exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Number of Options, Options forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Number of Options, Options expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Number of Options, Outstanding ending balance (in shares)
Number of Options, Exercisable at current period end (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Weighted- Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted-Average Exercise Price, Outstanding beginning balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Weighted-Average Exercise Price, Options granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Weighted-Average Exercise Price, Options exercised (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Weighted-Average Exercise Price, Options forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Weighted-Average Exercise Price, Options expired (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Weighted-Average Exercise Price, Outstanding ending balance (in dollars per share)
Weighted-Average Exercise Price, Exercisable at current period-end (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Weighted- Average Remaining Contractual Term (Years)
Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Weighted Average Remaining Contractual Term [Abstract]
Share based Compensation Arrangement by Share based Payment Award, Other than Options, Weighted Average Remaining Contractual Term [Abstract]
Weighted-Average Remaining Contractual Term, Outstanding at current period-end (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Weighted-Average Remaining Contractual Term, Exercisable at current period-end (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract]
Aggregate Intrinsic Value, Outstanding at current period-end
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Aggregate Intrinsic Value, Exercisable at current period-end
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Income Statement [Abstract]
Statement [Table]
Statement [Table]
Software and products
Software And Products [Member]
Software And Products [Member]
Services
Service [Member]
Statement [Line Items]
Statement [Line Items]
Revenues:
Cost of revenues:
Cost of Goods and Services Sold [Abstract]
Total cost of revenues
Cost of Goods and Services Sold
Gross margin
Operating expenses:
Operating Expenses [Abstract]
Sales and marketing
Selling and Marketing Expense
Research and development
Research and Development Expense
General and administrative
General and Administrative Expense
Restructuring
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Total operating expenses
Operating Expenses
Income (loss) from operations
Operating Income (Loss)
Interest income
Investment Income, Interest
Interest expense
Interest and Debt Expense
Equity in loss of affiliate
Income tax expense (benefit)
Net income (loss)
Net income (loss) per common share:
Weighted average common shares outstanding:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic (in shares)
Diluted (in shares)
Nature of Business
Nature of Operations [Text Block]
Net Lease Cost Recognized on Condensed Consolidated Statement of Operations
Lease, Cost [Table Text Block]
Maturities of Lease Liabilities
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Software, licenses
Software, Licenses [Member]
Software, Licenses [Member]
Software, appliances
Software, Appliances [Member]
Software, Appliances [Member]
Professional Services, other
Professional Services, Other [Member]
Professional Services, Other [Member]
Professional Services, education services
Professional Services, Education Services [Member]
Professional Services, Education Services [Member]
Performance obligation, expected payment terms
Revenue, Performance Obligation, Description Of Payment Terms, Period
Revenue, Performance Obligation, Description Of Payment Terms, Period
Schedule of Selected Quarterly Financial Data
Quarterly Financial Information [Table Text Block]
Total revenues
Computation of Basic and Diluted Net Income Per Common Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Financial Assets Measured At Fair Value On Recurring Basis
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cost of services revenue
Cost Of Services Revenue [Member]
Cost of services revenue Member.
Sales and marketing
Selling and Marketing Expense [Member]
Research and development
Research and Development Expense [Member]
General and administrative
General and Administrative Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense
Summary of the Purchase Price and Preliminary Purchase Price Allocation as of the Date of Acquisition
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Business Combination, Pro Forma Information
Business Acquisition, Pro Forma Information [Table Text Block]
Leases
Lessee, Operating Leases [Text Block]
Goodwill and Intangible Assets, Net
Goodwill and Intangible Assets Disclosure [Text Block]
Statement of Stockholders' Equity [Abstract]
Equity Components
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)
Shares, Outstanding
Beginning Balance
Cumulative effect of adoption of ASU 2016-09
Cumulative Effect of New Accounting Principle in Period of Adoption
Stock-based compensation
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Share issuances related to business combinations
Stock Issued During Period, Value, Acquisitions
Share issuances related to stock-based compensation (in shares)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture
Share issuances related to stock-based compensation
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
Repurchase of common stock (in shares)
Stock Repurchased During Period, Shares
Repurchase of common stock
Stock Repurchased During Period, Value
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Ending Balance (in shares)
Ending Balance
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Series A Junior Participating Preferred Stock
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Class of Stock [Line Items]
Amount of common stock repurchased
Number of shares repurchased (in shares)
Share repurchase program, authorized amount available
Stock Repurchase Program, Authorized Amount
Options outstanding (in shares)
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding
Shareholder rights plan, term
Shareholder Rights Plan, Term
Shareholder Rights Plan, Term
Dividends, common stock, number of preferred share purchase right
Dividends, Common Stock, Paid-in-Kind, Number Of Preferred Share Purchase Right
Dividends, Common Stock, Paid-in-Kind, Number Of Preferred Share Purchase Right
Preferred stock purchase right, exercise price (in dollars per share)
Class of Warrant or Right, Exercise Price of Warrants or Rights
Schedule of Revenue by Geographic Area
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Schedule of Long-Lived Assets by Geographic Area
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
Employee Benefit Plan
Pension and Other Postretirement Benefits Disclosure [Text Block]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Contract with Customer, Asset and Liability
Contract with Customer, Asset and Liability [Table Text Block]
Deferred tax assets:
Deferred Tax Assets, Net [Abstract]
Net operating losses
Deferred Tax Assets, Operating Loss Carryforwards
Equity investment
Deferred Tax Assets, Equity Method Investments
Stock-based compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Deferred revenue
Deferred Tax Assets, Deferred Income
Tax credits
Deferred Tax Assets, Tax Credit Carryforwards
Accrued expenses
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Allowance for doubtful accounts and other reserves
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts
Less: valuation allowance
Deferred Tax Assets, Valuation Allowance
Total deferred tax assets
Deferred Tax Assets, Gross
Deferred tax liabilities:
Deferred Tax Liabilities, Gross [Abstract]
Depreciation and amortization
Deferred Tax Liabilities, Deferred Expense, Depreciation and Amortization
Deferred Tax Liabilities, Deferred Expense, Depreciation and Amortization
Deferred commissions and other
Deferred Tax Liabilities, Deferred Commissions
Deferred Tax Liabilities, Deferred Commissions
Total deferred tax liabilities
Deferred Tax Liabilities, Gross
Net deferred tax liability
Deferred Tax Liabilities, Net
Property and Equipment
Property, Plant and Equipment [Table Text Block]
Subsequent Events [Abstract]
Subsequent Event
Subsequent Events [Text Block]
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Goodwill [Line Items]
Goodwill [Line Items]
Goodwill expected tax deductible amount
Business Acquisition, Goodwill, Expected Tax Deductible Amount
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Beginning balance
Acquisition
Goodwill, Acquired During Period
Ending balance
Goodwill impairment
Goodwill, Impairment Loss
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory federal income tax expense (benefit) rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
State and local income tax expense, net of federal income tax effect
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Foreign earnings taxed at different rates
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
U.S. tax on Global Intangible Low-Taxed Income
Effective Income Tax Rate Reconciliation, Global Intangible Low-Taxed Income Tax
Effective Income Tax Rate Reconciliation, Global Intangible Low-Taxed Income Tax
Domestic permanent differences including acquisition items
Effective Income Tax Rate Reconciliation Permanent Differences
Effective income tax rate reconciliation permanent differences.
Foreign tax credits
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent
Research credits
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent
Tax reserves
Effective Income Tax Rate Reconciliation Tax Reserves
Effective income tax rate reconciliation for changes in tax reserves.
Valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Enacted tax law changes
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
Stock-based compensation
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent
CARES Act Impact
Effective Income Tax Rate Reconciliation, CARES Act Impact, Percent
Effective Income Tax Rate Reconciliation, CARES Act Impact, Percent
Reduction of NOL for carryback
Effective Income Tax Rate Reconciliation, Reduction Of NOL For Carryback, Percent
Effective Income Tax Rate Reconciliation, Reduction Of NOL For Carryback, Percent
Other differences, net
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Effective income tax expense (benefit)
Effective Income Tax Rate Reconciliation, Percent
Compensation and related payroll taxes
Accrued Compensation And Related Payroll Tax
Carry value of compensation and related payroll taxes for the period presented.
Other
Other Accrued Liabilities
Total accrued liabilities
Accrued Liabilities