Income Tax Disclosure [Abstract] Income tax provision Income Tax Expense (Benefit) Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Commitments and Contingencies Disclosure [Abstract] Operating lease cost Operating Lease, Cost Variable lease cost Variable Lease, Cost Sublease income Sublease Income Net lease cost Lease, Cost Earnings Per Share [Abstract] Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Capitalized software development costs, impairments Capitalized Computer Software, Impairments Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] July 2017 Swap [Member] July 2017 Swap [Member] July 2017 Swap [Member] February 2018 Swap [Member] February 2018 Swap [Member] February 2018 Swap [Member] June 2019 Swap [Member] June 2019 Swap [Member] June 2019 Swap [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative, notional amount Derivative, Notional Amount Revenue from Contract with Customer [Abstract] Total deferred revenue Contract with Customer, Liability Goodwill and Intangible Assets Disclosure [Abstract] Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning balance Goodwill Effect of foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Ending balance Equity [Abstract] Annual dividend per share approved (in dollars per share) Annual Dividend per Share Approved The aggregate dividend for each share of common stock outstanding approved by the board of directors for the current year. Dividends paid per share (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Changes in Accumulated Other Comprehensive Loss by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Derivatives Instruments Derivatives and Fair Value [Text Block] 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 due to customers Restricted Cash and Cash Equivalents, Current Accounts receivable, net of allowance of $9,025 and $5,529 at June 30, 2020 and December 31, 2019, respectively Accounts Receivable, after Allowance for Credit Loss, Current Customer funds receivable Other Restricted Assets, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Software development costs, net Capitalized Software Development Costs for Software Sold to Customers Goodwill 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] Trade accounts payable Accounts Payable, Trade, Current Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities, Carrying value as of the balance sheet date of obligations incurred, for which invoices have typically not been received that are payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Includes aggregate carrying amount, as of the balance sheet date, of current obligations not separately disclosed in the balance sheet due to materiality considerations. Current liabilities are expected to be paid within one year (or the normal operating cycle, if longer). Due to customers Due To Customers Current Carrying value as of the balance sheet date of donations collected by the entity on behalf of its customers and payable to its customers. Also includes amounts classified as customer funds receivable. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Debt, current portion Long-term Debt, Current Maturities Deferred revenue, current portion Contract with Customer, Liability, Current Total current liabilities Liabilities, Current Debt, net of current portion Long-term Debt, Excluding Current Maturities Deferred tax liability Deferred Income Tax Liabilities, Net Deferred revenue, net of current portion Contract with Customer, Liability, Noncurrent Operating lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (see Note 9) Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock; 20,000,000 shares authorized, none outstanding Preferred Stock, Value, Issued Common stock, $0.001 par value; 180,000,000 shares authorized, 60,901,100 and 60,206,091 shares issued at June 30, 2020 and December 31, 2019, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock, at cost; 11,332,912 and 11,066,354 shares at June 30, 2020 and December 31, 2019, respectively Treasury Stock, Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Change in Goodwill Schedule of Goodwill [Table Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss) Attributable to Parent Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Provision for doubtful accounts and sales returns Accounts Receivable, Credit Loss Expense (Reversal) Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense Deferred taxes Deferred Income Tax Expense (Benefit) Amortization of deferred financing costs and discount Amortization of Debt Issuance Costs and Discounts Other non-cash adjustments Other Noncash Income (Expense) Changes in operating assets and liabilities, net of acquisition and disposal of businesses: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Trade accounts payable Increase (Decrease) in Accounts Payable, Trade Accrued expenses and other liabilities Increase Decrease Accrued Expenses And Other Liabilities The net change during the reporting period in accrued expenses and other liabilities. Deferred revenue Increase (Decrease) in Deferred Revenue 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 property and equipment Payments to Acquire Property, Plant, and Equipment Capitalized software development costs Payments to Develop Software Purchase of net assets of acquired companies, net of cash and restricted cash acquired Payments to Acquire Businesses, Net of Cash Acquired Other Investing activities Payments for (Proceeds from) Other Investing Activities 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] Proceeds from issuance of debt Proceeds from Issuance of Debt Payments on debt Repayments of Debt Employee taxes paid for withheld shares upon equity award settlement Payment, Tax Withholding, Share-based Payment Arrangement Proceeds from exercise of stock options Proceeds from Stock Options Exercised Change in due to customers Proceeds from (Repayments of) Restricted Cash, Financing Activities Change in customer funds receivable Change In Customer Funds Receivable Change In Customer Funds Receivable Dividend payments to stockholders Payments of Dividends Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Net 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, beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Total cash, cash equivalents and restricted cash in the statement of cash flows Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Earnings Per Share Earnings Per Share [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as hedging instrument [Member] Designated as Hedging Instrument [Member] Interest rate swap [Member] Interest Rate Swap [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accrued expenses and other current liabilities [Member] Accrued expenses and other current liabilities [Member] Primary financial statement caption encompassing accrued expenses and other current liabilities. Other liabilities [Member] Other Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative liabilities, current Derivative Liability, Current Derivative liabilities, long-term portion Derivative Liability, Noncurrent Derivative liabilities, fair value Derivative Liability, Fair Value, Amount Not Offset Against Collateral Fair Value Measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Accounting Policies [Abstract] Unaudited interim consolidated financial statements Basis of Accounting, Policy [Policy Text Block] Basis of consolidation Consolidation, Policy [Policy Text Block] Reportable segment Segment Reporting, Policy [Policy Text Block] Recently adopted accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Recently issued accounting pronouncements Description of New Accounting Pronouncements Not yet Adopted [Text Block] Credit losses and sales returns Credit Loss, Financial Instrument [Policy Text Block] Legal proceedings Legal Costs, Policy [Policy Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Statement, Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common stock [Member] Common Stock [Member] Additional paid-in capital [Member] Additional Paid-in Capital [Member] Treasury stock [Member] Treasury Stock [Member] Accumulated other comprehensive income (loss) [Member] AOCI Attributable to Parent [Member] Retained earnings [Member] Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Shares, Issued Balance Payment of dividends Dividends, Cash Exercise of stock options and stock appreciation rights and vesting of restricted stock units (in shares) Exercise Of Stock Options And Stock Appreciation Rights Shares Number of shares issued during the period as a result of the exercise of stock options and stock appreciation rights. Exercise of stock options and stock appreciation rights and vesting of restricted stock units Exercise Of Stock Options And Stock Appreciation Rights Value Value stock issued during the period as a result of the exercise of stock options and stock appreciation rights. Employee taxes paid for withheld shares upon equity award settlement Share-based Payment Arrangement, Decrease for Tax Withholding Obligation Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Restricted stock grants (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Restricted stock grants Stock Issued During Period, Value, Restricted Stock Award, Gross Restricted stock cancellations (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Balance (in shares) Balance Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] GMG [Member] General Markets Group [Member] General Markets Group [Member] EMG [Member] Enterprise Markets Group [Member] Enterprise Markets Group [Member] IMG [Member] International Markets Group [Member] International Markets Group [Member] Other [Member] Other Segments [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Surrender of shares upon vesting of restricted stock and restricted stock units and exercise of stock appreciation rights Surrender Of Shares Upon Restricted Stock And Restricted Unit Vesting And Exercise of Stock Appreciation Rights Number of shares that have been surrendered upon vesting of restricted stock/restricted stock units or exercise of stock appreciation rights during the period and are being held in treasury. Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Maximum [Member] Maximum [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating lease, lease not yet commenced, expense Operating Lease, Lease Not Yet Commenced, Expense Amount of operating lease expense, excluding sublease income, for leases that have not yet commenced. Operating lease, lease not yet commenced, term of contract Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Long-term Commitment (Excluding Unconditional Purchase Obligation) [Abstract] Long-term Commitment (Excluding Unconditional Purchase Obligation) [Abstract] Long-term Purchase Commitment [Table] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment, Category of Item Purchased [Domain] Third-party technology [Member] Third-party Technology [Member] Technology developed by a third-party used in conjunction with entity's products and services. Long-term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] Remaining aggregate minimum purchase commitment Long-term Purchase Commitment, Remaining Minimum Amount Committed Minimum amount to be expended to satisfy the terms of long-term purchase arrangements in which the entity has agreed to expend funds to procure goods or services. Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States [Member] UNITED STATES United Kingdom [Member] UNITED KINGDOM Other countries [Member] Other countries [Member] Countries excluding separately disclosed countries. Organization, Consolidation and Presentation of Financial Statements [Abstract] Operating lease liabilities, current portion Operating Lease, Liability, Current Accrued bonuses Accrued Bonuses Accrued commissions and salaries Accrued Commissions And Salaries, Current and Long-term Carrying value as of the balance sheet date of obligations incurred and payable for salaries and sales commissions earned by employees. Includes current and non-current portions. Taxes payable Taxes Payable Derivative instruments Customer credit balances Accrued Customer Credit Balances, Current and Long-term Carrying value as of the balance sheet date of obligations to customers for credit balances generated by customer overpayments. Includes current and non-current portions. Unrecognized tax benefit Unrecognized Tax Benefit, Current and Long-term Liability for uncertain tax positions as of the balance sheet date. Includes current and non-current portions. Accrued vacation costs Accrued Vacation Accrued health care costs Accrued Insurance Other liabilities Other Liabilities Total accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Less: Long-term portion Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Restructuring and Related Activities [Abstract] Restructuring Costs Restructuring Costs Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Fair value measurements, recurring [Member] Fair Value, Recurring [Member] Fair Value Hierarchy [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] 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] Derivative liabilities Derivative Liability Total financial liabilities Financial and Nonfinancial Liabilities, Fair Value Disclosure Components of Lease Expense Lease, Cost [Table Text Block] Share-based Payment Arrangement [Abstract] Stock-Based Compensation Share-based Payment Arrangement [Text Block] Net income Weighted average common shares Weighted Average Number of Shares Outstanding, Basic Stock-based awards Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average common shares assuming dilution Weighted Average Number of Shares Outstanding, Diluted Earnings (Loss) Per Share, Basic and Diluted [Abstract] Earnings Per Share, Basic and Diluted [Abstract] Basic earnings per share Earnings Per Share, Basic Diluted earnings per share Earnings Per Share, Diluted Anti-dilutive shares excluded from calculations of diluted earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Costs of obtaining contracts Capitalized Contract Cost, Net Prepaid software maintenance and subscriptions, current and long-term Prepaid Software Maintenance, Current and Long-term Carrying amount as of the balance sheet date of amounts paid for software maintenance in advance of when the expense is to be recognized. Includes current and non-current portions. Implementation costs for cloud computing arrangements Hosting Arrangement, Service Contract, Implementation Cost, Capitalized, after Accumulated Amortization Unbilled accounts receivable Unbilled Contracts Receivable Prepaid insurance Prepaid Insurance Current and Long term Amount of asset related to consideration paid in advance for insurance. Includes current and non-current portions. Taxes, prepaid and receivable Taxes, Prepaid And Receivable, Current and Long-term Carrying amount as of the balance sheet date of payments made in advance for income and other taxes. Includes current and non-current portions. Security deposits Security Deposit Other assets Other Assets Total prepaid expenses and other assets Prepaid Expense and Other Assets Less: Long-term portion Amortization expense from costs of obtaining contracts Capitalized Contract Cost, Amortization Current portion of costs of obtaining contracts Capitalized Contract Cost, Net, Current Prepaid software maintenance and subscriptions, current Prepaid Software Maintenance, Current Carrying amount as of the balance sheet date of amounts paid for software maintenance in advance of when the expense is to be recognized. Includes current portion only. Allowance for Credit Loss [Abstract] Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] Debt Disclosure [Abstract] 2020 - remaining Long-Term Debt, Maturity, Remainder of Fiscal Year 2021 Long-Term Debt, Maturity, Year Two 2022 Long-Term Debt, Maturity, Year Three 2023 Long-Term Debt, Maturity, Year Four 2024 Long-Term Debt, Maturity, Year Five Thereafter Long-Term Debt, Maturity, after Year Five Total required maturities Long-term Debt Summary of Stock-Based Compensation Expense Share-based Payment Arrangement, Cost by Plan [Table Text Block] Cover [Abstract] Document type Document Type Document quarterly report Document Quarterly 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 Entity Address, City or Town Entity address, state 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 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 common stock, shares outstanding Entity Common Stock, Shares Outstanding Amendment flag Amendment Flag Document fiscal year focus Document Fiscal Year Focus Document fiscal period focus Document Fiscal Period Focus Entity central index key Entity Central Index Key Current fiscal year end date Current Fiscal Year End Date Statement of Comprehensive Income [Abstract] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Gains and losses on cash flow hedges [Member] Cash Flow Hedging [Member] Foreign currency translation adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Income [Roll Forward] Accumulated Other Comprehensive Income [Roll Forward] Accumulated Other Comprehensive Income [Roll Forward] Accumulated other comprehensive (loss) income, beginning of period Other comprehensive (loss) income before reclassifications, net of tax effects Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent Before Reclassifications Net of tax amount of other comprehensive income (loss) attributable to the parent entity before reclassifications into income. Amounts reclassified from accumulated other comprehensive loss to interest expense Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Earnings The amount of gains (losses) reclassified in the period from accumulated other comprehensive income (loss) to earnings. Tax (benefit) expense included in provision for income taxes Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Total amounts reclassified from accumulated other comprehensive loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Accumulated other comprehensive income (loss), end of period Unrealized gains, tax effects Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] 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 credit losses [Member] SEC Schedule, 12-09, Allowance, Credit Loss [Member] Allowance for sales returns [Member] Allowance for Returns [Member] A valuation allowance for the amount of products sold that the entity expects to be returned by the purchaser. SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Balance at beginning of year Accounts Receivable, Allowance for Credit Loss Provision/adjustment Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Write-off Accounts Receivable, Allowance for Credit Loss, Writeoff Recovery Accounts Receivable, Allowance for Credit Loss, Recovery Deduction SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Balance at period end Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Loans payable [Member] Loans Payable [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Other debt, face amount Debt Instrument, Face Amount Schedule of Interest Rate Swaps Schedule of Interest Rate Derivatives [Table Text Block] Fair Values of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Effects of Derivative Instruments in Cash Flow Hedging Relationships Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Global HQ [Member] Global HQ [Member] Global HQ [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Purchase price Payments to Acquire Buildings Aggregate principal amount assumed Long-term Debt, Gross 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, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, remaining performance obligation Revenue, Remaining Performance Obligation, Amount Revenue, remaining performance obligation, percentage to be recognized Revenue, Remaining Performance Obligation, Percentage Revenue, remaining performance obligation, expected timing of satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue recognized that was included in deferred revenue at beginning of period Contract with Customer, Liability, Revenue Recognized Schedule of Employee Service Stock-based Compensation, Allocation of Recognized Period Costs [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 recurring [Member] Cost Of Recurring [Member] Cost Of Recurring [Member] One-time services and other [Member] Technology Service [Member] Total included in cost of revenue [Member] Cost of Sales [Member] Sales, marketing and customer success [Member] Selling and Marketing Expense [Member] Research and development [Member] Research and Development Expense [Member] General and administrative [Member] General and Administrative Expense [Member] Total included in operating expenses [Member] Operating Expense [Member] Employee Service Stock-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Allocated stock-based compensation expense Share-based Payment Arrangement, Expense Line of Credit Facility [Table] Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving credit loans [Member] Revolving Credit Facility [Member] Term loans [Member] Secured Debt [Member] Short-term debt [Member] Short-term Debt [Member] Long-term debt [Member] Long-term Debt [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt, gross Other debt Other Long-term Debt Less: Unamortized discount and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Less: Debt, current portion Weighted average effective interest rate Debt Instrument, Interest Rate, Effective Percentage Summary of Debt Schedule of Long-term Debt Instruments [Table Text Block] Annual Maturities Related to Credit Facility Schedule of Maturities of Long-term Debt [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Restructuring Restructuring and Related Activities Disclosure [Text Block] Components of Prepaid Expenses and Other Assets Schedule Of Prepaid Expenses And Other Assets Current [Table Text Block] Tabular disclosure of components of prepaid expenses and other current assets. Components of Accrued Expenses and Other Liabilities Accrued Expenses And Other Liabilities [Text Block] The disclosure describes the Company's accrued expenses and other liabilities. Components of Other Income and Expense Other Income and Other Expense Disclosure [Text Block] Accumulated other comprehensive loss expected to be reclassified into earnings within next 12 months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Ineffective portion of interest rate swap(s) Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net Catastrophic Event [Axis] Catastrophic Event [Axis] Catastrophic Event [Domain] Catastrophic Event [Domain] COVID-19 [Member] COVID-19 [Member] COVID-19 [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] RSU [Member] Restricted Stock Units (RSUs) [Member] PRSU [Member] PRSU [Member] Performance-based restricted stock unit Employer matching contribution, percent of qualified employees' contribution Defined Contribution Plan, Employer Matching Contribution, Percent of Match Employer matching contribution, percent of employees' salary Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Base salary requirement for one-time bonus Base Salary Requirement for One-Time Bonus Base Salary Requirement for One-Time Bonus One-time bonus to employees Payments to Employees Grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grant Date Fair Value Grant date fair value of award under share-based payment arrangement. Excludes share and unit options. Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Schedule of Effective Income Tax Rates Schedule Of Effective Income Tax Rate [Table Text Block] Schedule Of Effective Income Tax Rate [Table Text Block] Consolidated Financial Statement Details Additional Financial Information Disclosure [Text Block] Income Statement [Abstract] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Recurring [Member] Recurring [Member] Recurring [Member] Revenue Revenues [Abstract] Cost of revenue Cost of Revenue [Abstract] Cost of revenue Cost of Goods and Services Sold Gross profit Gross Profit Operating expenses Operating Expenses [Abstract] Sales, marketing and customer success Selling and Marketing Expense Research and development Research and Development Expense General and administrative General and Administrative Expense Amortization Amortization of Intangible Assets Restructuring Restructuring Charges Total operating expenses Operating Expenses Income from operations Operating Income (Loss) Interest expense Interest Expense Other income, net Nonoperating Income (Expense), Excluding Interest Expense The aggregate amount of income or expense, excluding interest expense, from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Income before provision for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Net income Earnings per share Common shares and equivalents outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic weighted average shares Diluted weighted average shares outstanding Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustment Unrealized gain (loss) on derivative instruments, net of tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Total other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounts receivable, allowance Accounts Receivable, Allowance for Credit Loss, Current Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Treasury stock, shares Treasury Stock, Shares Revenue Recognition Revenue from Contract with Customer [Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Interest income Investment Income, Interest Other income, net Other Nonoperating Income (Expense) Other income, net Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Interest expense [Member] Interest Expense [Member] Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash flow hedging [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Gain (loss) recognized in accumulated other comprehensive loss Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Gain (loss) reclassified from accumulated other comprehensive loss into income Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Debt Debt Disclosure [Text Block] Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]